branch master updated: talks: Add ACM Rep slides.

[Simon Tournier]

This is an automated email from the git hooks/post-receive script.

zimoun pushed a commit to branch master
in repository maintenance.

The following commit(s) were added to refs/heads/master by this push:
     new 1e75e9a0 talks: Add ACM Rep slides.
1e75e9a0 is described below

commit 1e75e9a0aaf763bb818d069b08441a777b628096
Author: Simon Tournier <zimon.toutoune@gmail.com>
AuthorDate: Fri Dec 20 11:37:09 2024 +0100

    talks: Add ACM Rep slides.
    
    * talks/acm-rep-2024: New directory.
---
 talks/acm-rep-2024/README                          |    4 +
 talks/acm-rep-2024/channels.scm                    |   11 +
 talks/acm-rep-2024/data/pog-status-rel.csv         |  244 +++
 talks/acm-rep-2024/data/pog-status.csv             |  244 +++
 talks/acm-rep-2024/data/pog-types-dl-rel.csv       |  244 +++
 talks/acm-rep-2024/data/pog-types-dl.csv           |  244 +++
 talks/acm-rep-2024/data/pog-types-high-rel.csv     |  244 +++
 talks/acm-rep-2024/data/pog-types-high.csv         |  244 +++
 talks/acm-rep-2024/data/pog-types-vcs-rel.csv      |  244 +++
 talks/acm-rep-2024/data/pog-types-vcs.csv          |  244 +++
 talks/acm-rep-2024/data/pog-types.csv              |  244 +++
 talks/acm-rep-2024/lstlang0.sty                    |   33 +
 talks/acm-rep-2024/manifest.scm                    |   30 +
 talks/acm-rep-2024/slides.tex                      | 1684 ++++++++++++++++++++
 talks/acm-rep-2024/static/FRRN_logo_small.png      |  Bin 0 -> 26301 bytes
 talks/acm-rep-2024/static/Guix-white.pdf           |  Bin 0 -> 8483 bytes
 talks/acm-rep-2024/static/architecture-flow.pdf    |  Bin 0 -> 14805 bytes
 talks/acm-rep-2024/static/big-picture-3.pdf        |  Bin 0 -> 44121 bytes
 talks/acm-rep-2024/static/graph-tweak.dot          |   56 +
 .../static/guixhpc-logo-transparent-white.pdf      |  Bin 0 -> 8808 bytes
 talks/acm-rep-2024/static/r-harmony.png            |  Bin 0 -> 189451 bytes
 talks/acm-rep-2024/static/swh-logo.png             |  Bin 0 -> 37777 bytes
 talks/acm-rep-2024/talk.20240619.pdf               |  Bin 0 -> 939969 bytes
 23 files changed, 4014 insertions(+)

diff --git a/talks/acm-rep-2024/README b/talks/acm-rep-2024/README
new file mode 100644
index 00000000..bf292146
--- /dev/null
+++ b/talks/acm-rep-2024/README
@@ -0,0 +1,4 @@
+Source Code Archiving to the Rescue of Reproducible Deployment
+
+Slides for Conference https://acm-rep.github.io/2024/
+Accompaning the paper https://hal.science/hal-04586520
diff --git a/talks/acm-rep-2024/channels.scm b/talks/acm-rep-2024/channels.scm
new file mode 100644
index 00000000..bc2addcb
--- /dev/null
+++ b/talks/acm-rep-2024/channels.scm
@@ -0,0 +1,11 @@
+(list (channel
+        (name 'guix)
+        (url "https://git.savannah.gnu.org/git/guix.git";)
+        (branch "master")
+        (commit
+          "6ba29e02108ed144da1234b4b5512ee03865dcf6")
+        (introduction
+          (make-channel-introduction
+            "9edb3f66fd807b096b48283debdcddccfea34bad"
+            (openpgp-fingerprint
+              "BBB0 2DDF 2CEA F6A8 0D1D  E643 A2A0 6DF2 A33A 54FA")))))
diff --git a/talks/acm-rep-2024/data/pog-status-rel.csv 
b/talks/acm-rep-2024/data/pog-status-rel.csv
new file mode 100644
index 00000000..3f5b052d
--- /dev/null
+++ b/talks/acm-rep-2024/data/pog-status-rel.csv
@@ -0,0 +1,244 @@
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+0d13d095420861022e68e87ceebd5e037e12a8b3,2023-12-24,25488,0.937817,357,0.013136,1333,0.049047,27178
+9d148d08be9d77781e8103915b1f498b03fd3dd2,2023-12-31,25438,0.937703,355,0.013086,1335,0.049211,27128
+25bcf4eda05b501758b11a53823867dc500ac7d1,2024-01-07,25473,0.937990,349,0.012851,1335,0.049159,27157
diff --git a/talks/acm-rep-2024/data/pog-status.csv 
b/talks/acm-rep-2024/data/pog-status.csv
new file mode 100644
index 00000000..422014fa
--- /dev/null
+++ b/talks/acm-rep-2024/data/pog-status.csv
@@ -0,0 +1,244 @@
+hash,date,stored,missing,unknown,total
+ee3ce0d71d51d0b93d91a8ef1c82e8d233a74b33,2019-05-05,6313,1879,618,8810
+152030ffdf548527d32458c5f3fbc98700aa7e69,2019-05-12,6354,1848,650,8852
+1d86b05618a063378d7ffc89a9b4c33dd65a760c,2019-05-19,6379,1842,643,8864
+f3addff21c074e3f655d2108be6a21b93f598498,2019-05-26,6398,1840,647,8885
+1a2fa342f0eac9aea5f16d0bb660fdf89bc9651e,2019-06-02,6410,1838,649,8897
+c447eb4d1d7c222a68b1fd2397e01ff56a473e62,2019-06-10,6441,1824,651,8916
+86c05c4465dee12f140baff107dab1816214305b,2019-06-16,6465,1821,654,8940
+a37cbc4cbda2c1850e38bc7d14d70cc3a266a8fb,2019-06-23,6516,1819,655,8990
+e79281be105b16153c375af5506db31fd1e32698,2019-07-03,6586,1811,649,9046
+079c93e1c1dd93639417095000d5e56d8db62d61,2019-07-07,6603,1811,650,9064
+041e03847beda7fd9cfb92f87db14c5b33179f29,2019-07-14,6641,1802,649,9092
+e6df9c7e85ea48765c152b27c88ba30c50c92bb2,2019-07-21,6674,1803,647,9124
+7e5eda0c08112963be08ebe0c62eed651749e0a1,2019-07-28,6715,1810,648,9173
+ac6b78488faa80a83e85ee38e4a701d9c3c90c46,2019-08-04,6753,1806,649,9208
+c91364d36cf6c8fc4c696d151eb9fca7832cf898,2019-08-11,6809,1806,651,9266
+37d40fa509cbbe48a1d7db1291338d7ccaeae830,2019-08-18,6840,1809,677,9326
+3d76112769d2149e81b7cc774d859469d1f1909e,2019-08-25,6870,1812,680,9362
+1719f4f1e3aba3af60b5f7e63b8db529ef777af5,2019-09-01,6909,1825,731,9465
+37ecf2d905e6afc555150ffe51095415a0d27b89,2019-09-08,6981,1819,766,9566
+991c44109f92aef099b3ec50501c7cd08978c793,2019-09-15,7019,1805,767,9591
+ee0a392fa001b3e3aea05150dd985b59fb7e5e3b,2019-09-22,7074,1812,806,9692
+52e62bbd76b06d754f409c0f277b80e6208fe152,2019-09-29,7115,1802,806,9723
+5a54baf67cfb91ad5062a4a061bc6d083096f9d8,2019-10-06,7162,1795,805,9762
+b51c402f23e77a17c564a035887e55b61ef7aecf,2019-10-13,7239,1738,809,9786
+7757f44044926d1aaa3a9520c5ee6f841d68f58e,2019-10-20,7290,1723,809,9822
+632c6f2e6e25da2ab335a9f3592956221bc742ed,2019-11-10,7400,1629,797,9826
+cf9dad6c87bab87bc25e80b321158b0328db0d8a,2019-11-17,7460,1605,801,9866
+68c47474bc8bc633fa3b13610d4f700891067bbc,2019-11-24,7786,1353,802,9941
+0b4ced58c04004a3751c8b84b10b8a92c5289ad9,2019-12-01,7833,1320,803,9956
+add773c37a10e2c900fcfaff745e095b7fe96fbb,2019-12-08,7886,1317,803,10006
+4fb8e2744a62a7124521f8fa7fb160fa56e5d41d,2019-12-15,8056,1313,800,10169
+630a4b77d6c6eaa32889408331c1b79b273b24b6,2019-12-22,8099,1516,634,10249
+34085eabccb8a0ca280f8d1605fdf369a94dd88a,2019-12-29,8146,1524,630,10300
+85ad4ffb25c941a2a37cb4af839de9ac141c8253,2020-01-05,8324,1626,773,10723
+8dc2af3ba541141d8320e860cec31090d5b69dc0,2020-01-12,8402,1589,767,10758
+2d4b248857f2758f545a1399969f372d1b717f55,2020-01-19,8442,1578,780,10800
+99b23feeb9d06f07b4a04af624a69ed12637b112,2020-01-26,8520,1568,794,10882
+3d0c79186c6fb5346cbe20115a4fde19bc678134,2020-02-02,8562,1564,790,10916
+5998ac14f376194d3878f918cb9e04a6ff599d77,2020-02-09,8631,1564,815,11010
+3c6aca4232d1a3638ec962bc7afe9121626c43ec,2020-02-16,8736,1570,854,11160
+6634b29f501764f542e3a5fc91bb691ef18b5702,2020-02-23,8842,1560,873,11275
+1d9b4664e30ce3f79606bf1167a2fca9bf4abba2,2020-03-01,8962,1567,939,11468
+5fdc5b2d57d2e7ab04dbaf9c85e7f34eebe81495,2020-03-08,9024,1545,933,11502
+77386648da9c6bd0601d389ddb94ddba088d8b87,2020-03-15,9095,1510,929,11534
+405c0c947cfd59d7bfb81052545cd635970d2d0c,2020-03-22,9175,1519,941,11635
+07ce7ae531d58a799eec3e9113c794b717deee8f,2020-03-29,9229,1518,938,11685
+4da6de3e675bd8c79320b40c62b93eea7378d273,2020-04-05,9378,1465,939,11782
+1518b4bceb9955ed6d94432d651b7a2a9f3052e1,2020-04-12,9431,1456,942,11829
+fafe2343c29bcb02fcee79558fbd8ae2ba2c1214,2020-04-19,9470,1453,940,11863
+9b7e41f2d720b2a5da0d52dea6e2017d2851a640,2020-04-26,9527,1431,943,11901
+1463079a2dc855df2274a2429dd48adc4d31ffdb,2020-05-03,9705,1429,959,12093
+ccc9240664b5ecded499111ba6c5d9bbd4e7241f,2020-05-10,9928,1337,994,12259
+d308bc01e171f327084bfaa9fe79fb31fe662669,2020-05-17,9984,1310,991,12285
+dfc426582f7e5a34a89015663cadbad3829f55e5,2020-05-24,10064,1271,993,12328
+776ecaaa0fb7201ae34653aa4c33e240b6d7b901,2020-05-31,10149,1245,993,12387
+ecbde6505cd12025d7fe92c2c9a56b969ff3cb8e,2020-06-07,10203,1218,992,12413
+d291b454bd402c88eed1464a1dfa058a2f663874,2020-06-14,10665,796,995,12456
+f6c6970e0dbebb7cac679f46656c2655dfe532c2,2020-06-21,10723,786,1001,12510
+ea33de6d704f30b3c827877173c513f6fce22f1e,2020-06-28,10870,729,997,12596
+4cd05788b548d60154f365542fd9446ac4bcfd9f,2020-07-05,10957,699,1004,12660
+ea4915a74bc4c03495d4910c1e32a92c790b6626,2020-07-12,11068,681,1003,12752
+7ffec020aec9ccbc531d24e65acd93e9f3962f9f,2020-07-19,11216,663,1022,12901
+ce9c5bb79c3208162bb87c1bcbc90464601d28ba,2020-07-26,11316,640,1028,12984
+95c9785b428bd332644de201c7f9ac7e8f4cd72f,2020-08-02,11368,624,1028,13020
+cb97d076491495aa956dbff93679a51cc5708010,2020-08-09,11430,613,1027,13070
+ee3be810d6f5721dce037c5d71c823335f9a6abb,2020-08-16,11538,587,1031,13156
+dc12a37a0d70bd56a5fac59af5a5196d6b525482,2020-08-23,11681,563,1021,13265
+73a3085e346f7e6286acdc3e7b0ea3194ff0c317,2020-08-30,11733,551,1020,13304
+10ba62ec63f80044c8652a9869f13585f2014ebe,2020-09-06,11783,526,1018,13327
+a3f6f27bbc87d3ae169323a419916e50dd379790,2020-09-13,11876,511,1018,13405
+4d82e8e5c5f7e43dbaf5d009697915717d15b155,2020-09-20,11910,502,1027,13439
+59223c5bc6816962b95d51fb2e8b7edd91c7fa95,2020-09-27,11942,500,1126,13568
+cdcbb42aa398f697dfe86563b98bddc3cb3d525a,2020-10-04,11948,503,1036,13487
+34d436a4082b5c5f23b00e13eb8e5a92d957d704,2020-10-11,11985,510,1036,13531
+4d405914ed02bd5672d5527cf4fa6e529e7faab6,2020-10-18,12127,525,1063,13715
+2e99651911e21df580ca608889f050763305159d,2020-10-25,12167,524,1065,13756
+f445bc65764ffad2ae9f3b382ddb8feb4eeea2fb,2020-11-01,12191,527,1061,13779
+d4dbcb81bc6abb27217fe5ec65a584a7a08ab196,2020-11-08,12235,523,1062,13820
+81643c4cf3e61f5a98b92a72a92c230f5e7ca905,2020-11-15,12266,520,1062,13848
+eeee65076e3199c778b177e06de3aae7696dbb9f,2020-11-22,12316,509,1061,13886
+60a10a11819891d3d91e371364bbdcfab2449ebe,2020-11-29,12388,507,1068,13963
+937bc5841429f40a64e6b25d5d4c2fe3276789f1,2020-12-06,12509,509,1074,14092
+1adeb744560af94687eb7c3780c7145c52674070,2020-12-13,12623,498,1086,14207
+f9978346e73359ac1d8b88c9ed874edc7225582b,2020-12-20,12678,497,1094,14269
+5aae614868b8a7e3097ae70f6024352aa5c8de21,2020-12-27,12690,497,1096,14283
+78a9cfa33e66c5647cea66980d83f49a43e27f60,2021-01-03,12820,464,1100,14384
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+c7be46b7d754cbf0d0526b5d8a9d1ecee64b6154,2021-02-21,13611,463,1198,15272
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+aa816708b278cafd86b11c3f3ddcdf7b9930713e,2021-08-08,15312,338,1223,16873
+ee467c853a184a7768ac171840357afde49c10e3,2021-08-15,15339,339,1221,16899
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+c5a80784e2a08f676e2f49cbdab1f81db8d7dbb6,2022-07-24,18191,259,1280,19730
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+bb5afc5b9ebcea94bc083f14fbc83cab9f86adfe,2022-08-07,18325,271,1283,19879
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+8df29c26ba184874561c67e48f69fd3526156516,2022-08-28,18440,277,1285,20002
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diff --git a/talks/acm-rep-2024/data/pog-types-dl-rel.csv 
b/talks/acm-rep-2024/data/pog-types-dl-rel.csv
new file mode 100644
index 00000000..4eb78565
--- /dev/null
+++ b/talks/acm-rep-2024/data/pog-types-dl-rel.csv
@@ -0,0 +1,244 @@
+commit,date,tar-gz,tar-gz-rel,tar-xz,tar-xz-rel,tar-bz2,tar-bz2-rel,tar,tar-rel,zip,zip-rel,text,text-rel,other,other-rel,total
+ee3ce0d71d51d0b93d91a8ef1c82e8d233a74b33,2019-05-05,4722,0.688639,805,0.117398,648,0.094502,23,0.003354,176,0.025667,463,0.067522,20,0.002917,6857
+152030ffdf548527d32458c5f3fbc98700aa7e69,2019-05-12,4745,0.689680,806,0.117151,647,0.094041,23,0.003343,177,0.025727,462,0.067151,20,0.002907,6880
+1d86b05618a063378d7ffc89a9b4c33dd65a760c,2019-05-19,4744,0.689535,807,0.117297,646,0.093895,23,0.003343,177,0.025727,463,0.067297,20,0.002907,6880
+f3addff21c074e3f655d2108be6a21b93f598498,2019-05-26,4755,0.689730,806,0.116913,647,0.093850,23,0.003336,181,0.026255,462,0.067015,20,0.002901,6894
+1a2fa342f0eac9aea5f16d0bb660fdf89bc9651e,2019-06-02,4756,0.689475,808,0.117135,650,0.094230,22,0.003189,181,0.026239,461,0.066831,20,0.002899,6898
+c447eb4d1d7c222a68b1fd2397e01ff56a473e62,2019-06-10,4751,0.688251,809,0.117195,660,0.095611,22,0.003187,181,0.026220,460,0.066638,20,0.002897,6903
+86c05c4465dee12f140baff107dab1816214305b,2019-06-16,4759,0.688612,809,0.117060,661,0.095645,20,0.002894,181,0.026190,461,0.066705,20,0.002894,6911
+a37cbc4cbda2c1850e38bc7d14d70cc3a266a8fb,2019-06-23,4778,0.688870,810,0.116782,664,0.095732,20,0.002884,182,0.026240,462,0.066609,20,0.002884,6936
+e79281be105b16153c375af5506db31fd1e32698,2019-07-03,4793,0.689045,813,0.116878,665,0.095601,21,0.003019,182,0.026164,462,0.066417,20,0.002875,6956
+079c93e1c1dd93639417095000d5e56d8db62d61,2019-07-07,4798,0.689269,813,0.116794,665,0.095532,21,0.003017,182,0.026146,462,0.066370,20,0.002873,6961
+041e03847beda7fd9cfb92f87db14c5b33179f29,2019-07-14,4805,0.689581,815,0.116963,665,0.095436,21,0.003014,182,0.026119,460,0.066016,20,0.002870,6968
+e6df9c7e85ea48765c152b27c88ba30c50c92bb2,2019-07-21,4815,0.689630,817,0.117015,665,0.095245,21,0.003008,182,0.026067,462,0.066170,20,0.002865,6982
+7e5eda0c08112963be08ebe0c62eed651749e0a1,2019-07-28,4831,0.687589,818,0.116425,666,0.094791,21,0.002989,182,0.025904,488,0.069456,20,0.002847,7026
+ac6b78488faa80a83e85ee38e4a701d9c3c90c46,2019-08-04,4844,0.687775,818,0.116144,667,0.094704,21,0.002982,182,0.025841,491,0.069715,20,0.002840,7043
+c91364d36cf6c8fc4c696d151eb9fca7832cf898,2019-08-11,4851,0.686624,820,0.116065,667,0.094409,21,0.002972,181,0.025619,504,0.071338,21,0.002972,7065
+37d40fa509cbbe48a1d7db1291338d7ccaeae830,2019-08-18,4897,0.688361,825,0.115969,666,0.093618,21,0.002952,182,0.025583,502,0.070565,21,0.002952,7114
+3d76112769d2149e81b7cc774d859469d1f1909e,2019-08-25,4905,0.688035,827,0.116005,667,0.093562,21,0.002946,182,0.025530,505,0.070837,22,0.003086,7129
+1719f4f1e3aba3af60b5f7e63b8db529ef777af5,2019-09-01,4985,0.691113,828,0.114793,670,0.092888,21,0.002911,182,0.025232,505,0.070012,22,0.003050,7213
+37ecf2d905e6afc555150ffe51095415a0d27b89,2019-09-08,5058,0.694303,827,0.113521,671,0.092107,21,0.002883,182,0.024983,504,0.069183,22,0.003020,7285
+991c44109f92aef099b3ec50501c7cd08978c793,2019-09-15,5062,0.694281,826,0.113290,671,0.092031,22,0.003017,183,0.025099,505,0.069263,22,0.003017,7291
+ee0a392fa001b3e3aea05150dd985b59fb7e5e3b,2019-09-22,5121,0.695599,828,0.112469,672,0.091280,20,0.002717,195,0.026487,504,0.068460,22,0.002988,7362
+52e62bbd76b06d754f409c0f277b80e6208fe152,2019-09-29,5120,0.695369,834,0.113269,672,0.091267,19,0.002580,196,0.026620,500,0.067907,22,0.002988,7363
+5a54baf67cfb91ad5062a4a061bc6d083096f9d8,2019-10-06,5119,0.692599,835,0.112975,698,0.094439,20,0.002706,196,0.026519,501,0.067785,22,0.002977,7391
+b51c402f23e77a17c564a035887e55b61ef7aecf,2019-10-13,5120,0.693016,842,0.113969,697,0.094342,19,0.002572,196,0.026530,491,0.066459,23,0.003113,7388
+7757f44044926d1aaa3a9520c5ee6f841d68f58e,2019-10-20,5128,0.693067,843,0.113934,700,0.094607,19,0.002568,196,0.026490,490,0.066225,23,0.003109,7399
+632c6f2e6e25da2ab335a9f3592956221bc742ed,2019-11-10,4997,0.688008,848,0.116756,698,0.096104,19,0.002616,194,0.026711,484,0.066639,23,0.003167,7263
+cf9dad6c87bab87bc25e80b321158b0328db0d8a,2019-11-17,4989,0.686906,852,0.117307,698,0.096104,19,0.002616,196,0.026986,486,0.066914,23,0.003167,7263
+68c47474bc8bc633fa3b13610d4f700891067bbc,2019-11-24,5027,0.687030,857,0.117125,697,0.095258,19,0.002597,197,0.026924,497,0.067924,23,0.003143,7317
+0b4ced58c04004a3751c8b84b10b8a92c5289ad9,2019-12-01,5002,0.685205,861,0.117945,696,0.095342,19,0.002603,197,0.026986,502,0.068767,23,0.003151,7300
+add773c37a10e2c900fcfaff745e095b7fe96fbb,2019-12-08,5026,0.685301,869,0.118489,695,0.094764,19,0.002591,197,0.026861,505,0.068857,23,0.003136,7334
+4fb8e2744a62a7124521f8fa7fb160fa56e5d41d,2019-12-15,5132,0.686463,908,0.121455,694,0.092830,18,0.002408,197,0.026351,504,0.067416,23,0.003077,7476
+630a4b77d6c6eaa32889408331c1b79b273b24b6,2019-12-22,5190,0.688512,910,0.120722,696,0.092332,18,0.002388,197,0.026134,504,0.066861,23,0.003051,7538
+34085eabccb8a0ca280f8d1605fdf369a94dd88a,2019-12-29,5188,0.685518,938,0.123943,699,0.092363,18,0.002378,197,0.026031,504,0.066596,24,0.003171,7568
+85ad4ffb25c941a2a37cb4af839de9ac141c8253,2020-01-05,5564,0.700138,941,0.118409,698,0.087832,18,0.002265,198,0.024915,504,0.063420,24,0.003020,7947
+8dc2af3ba541141d8320e860cec31090d5b69dc0,2020-01-12,5557,0.699698,946,0.119114,696,0.087635,18,0.002266,198,0.024931,503,0.063334,24,0.003022,7942
+2d4b248857f2758f545a1399969f372d1b717f55,2020-01-19,5598,0.700188,958,0.119825,694,0.086804,18,0.002251,199,0.024891,504,0.063039,24,0.003002,7995
+99b23feeb9d06f07b4a04af624a69ed12637b112,2020-01-26,5655,0.702484,957,0.118882,694,0.086211,18,0.002236,198,0.024596,504,0.062609,24,0.002981,8050
+3d0c79186c6fb5346cbe20115a4fde19bc678134,2020-02-02,5661,0.702096,959,0.118938,695,0.086196,18,0.002232,198,0.024557,507,0.062880,25,0.003101,8063
+5998ac14f376194d3878f918cb9e04a6ff599d77,2020-02-09,5713,0.703485,959,0.118089,695,0.085581,18,0.002216,200,0.024628,511,0.062923,25,0.003078,8121
+3c6aca4232d1a3638ec962bc7afe9121626c43ec,2020-02-16,5773,0.700862,1002,0.121646,696,0.084497,18,0.002185,211,0.025616,512,0.062159,25,0.003035,8237
+6634b29f501764f542e3a5fc91bb691ef18b5702,2020-02-23,5866,0.704033,1003,0.120379,695,0.083413,19,0.002280,212,0.025444,512,0.061450,25,0.003000,8332
+1d9b4664e30ce3f79606bf1167a2fca9bf4abba2,2020-03-01,6033,0.709431,1004,0.118062,697,0.081961,19,0.002234,212,0.024929,514,0.060442,25,0.002940,8504
+5fdc5b2d57d2e7ab04dbaf9c85e7f34eebe81495,2020-03-08,6055,0.709598,1009,0.118247,697,0.081683,19,0.002227,213,0.024962,515,0.060354,25,0.002930,8533
+77386648da9c6bd0601d389ddb94ddba088d8b87,2020-03-15,6066,0.709806,1008,0.117950,698,0.081676,19,0.002223,215,0.025158,515,0.060262,25,0.002925,8546
+405c0c947cfd59d7bfb81052545cd635970d2d0c,2020-03-22,6130,0.710560,1024,0.118697,698,0.080909,20,0.002318,216,0.025038,514,0.059580,25,0.002898,8627
+07ce7ae531d58a799eec3e9113c794b717deee8f,2020-03-29,6161,0.711350,1026,0.118462,699,0.080707,20,0.002309,216,0.024939,514,0.059346,25,0.002887,8661
+4da6de3e675bd8c79320b40c62b93eea7378d273,2020-04-05,6192,0.711479,1028,0.118120,700,0.080432,20,0.002298,218,0.025049,520,0.059750,25,0.002873,8703
+1518b4bceb9955ed6d94432d651b7a2a9f3052e1,2020-04-12,6214,0.711391,1033,0.118260,700,0.080137,20,0.002290,218,0.024957,526,0.060218,24,0.002748,8735
+fafe2343c29bcb02fcee79558fbd8ae2ba2c1214,2020-04-19,6232,0.711741,1034,0.118090,700,0.079945,20,0.002284,219,0.025011,527,0.060187,24,0.002741,8756
+9b7e41f2d720b2a5da0d52dea6e2017d2851a640,2020-04-26,6239,0.711240,1040,0.118559,701,0.079913,20,0.002280,220,0.025080,528,0.060192,24,0.002736,8772
+1463079a2dc855df2274a2429dd48adc4d31ffdb,2020-05-03,6399,0.715772,1045,0.116890,704,0.078747,20,0.002237,220,0.024609,528,0.059060,24,0.002685,8940
+ccc9240664b5ecded499111ba6c5d9bbd4e7241f,2020-05-10,6512,0.717497,1049,0.115580,698,0.076906,23,0.002534,221,0.024350,550,0.060599,23,0.002534,9076
+d308bc01e171f327084bfaa9fe79fb31fe662669,2020-05-17,6518,0.716894,1051,0.115596,701,0.077101,23,0.002530,221,0.024307,555,0.061043,23,0.002530,9092
+dfc426582f7e5a34a89015663cadbad3829f55e5,2020-05-24,6537,0.717170,1054,0.115634,699,0.076687,23,0.002523,221,0.024246,558,0.061218,23,0.002523,9115
+776ecaaa0fb7201ae34653aa4c33e240b6d7b901,2020-05-31,6567,0.717626,1056,0.115397,697,0.076167,24,0.002623,221,0.024150,562,0.061414,24,0.002623,9151
+ecbde6505cd12025d7fe92c2c9a56b969ff3cb8e,2020-06-07,6569,0.716670,1058,0.115427,698,0.076151,30,0.003273,222,0.024220,565,0.061641,24,0.002618,9166
+d291b454bd402c88eed1464a1dfa058a2f663874,2020-06-14,6576,0.716574,1064,0.115942,697,0.075951,30,0.003269,222,0.024191,564,0.061458,24,0.002615,9177
+f6c6970e0dbebb7cac679f46656c2655dfe532c2,2020-06-21,6604,0.716813,1064,0.115489,698,0.075763,33,0.003582,226,0.024531,564,0.061218,24,0.002605,9213
+ea33de6d704f30b3c827877173c513f6fce22f1e,2020-06-28,6619,0.714872,1073,0.115887,698,0.075386,33,0.003564,227,0.024517,585,0.063182,24,0.002592,9259
+4cd05788b548d60154f365542fd9446ac4bcfd9f,2020-07-05,6645,0.714900,1076,0.115761,700,0.075309,34,0.003658,227,0.024422,589,0.063367,24,0.002582,9295
+ea4915a74bc4c03495d4910c1e32a92c790b6626,2020-07-12,6696,0.715155,1077,0.115027,700,0.074762,35,0.003738,227,0.024244,604,0.064509,24,0.002563,9363
+7ffec020aec9ccbc531d24e65acd93e9f3962f9f,2020-07-19,6733,0.714377,1077,0.114271,701,0.074377,35,0.003714,240,0.025464,615,0.065252,24,0.002546,9425
+ce9c5bb79c3208162bb87c1bcbc90464601d28ba,2020-07-26,6796,0.717029,1079,0.113843,699,0.073750,35,0.003693,241,0.025427,604,0.063727,24,0.002532,9478
+95c9785b428bd332644de201c7f9ac7e8f4cd72f,2020-08-02,6812,0.717733,1074,0.113160,700,0.073754,36,0.003793,241,0.025392,604,0.063639,24,0.002529,9491
+cb97d076491495aa956dbff93679a51cc5708010,2020-08-09,6837,0.717795,1076,0.112966,704,0.073911,36,0.003780,241,0.025302,607,0.063727,24,0.002520,9525
+ee3be810d6f5721dce037c5d71c823335f9a6abb,2020-08-16,6857,0.718161,1079,0.113008,705,0.073837,36,0.003770,242,0.025346,605,0.063364,24,0.002514,9548
+dc12a37a0d70bd56a5fac59af5a5196d6b525482,2020-08-23,6897,0.717839,1093,0.113759,708,0.073689,36,0.003747,243,0.025291,607,0.063177,24,0.002498,9608
+73a3085e346f7e6286acdc3e7b0ea3194ff0c317,2020-08-30,6922,0.718199,1093,0.113405,709,0.073563,37,0.003839,243,0.025213,610,0.063291,24,0.002490,9638
+10ba62ec63f80044c8652a9869f13585f2014ebe,2020-09-06,6925,0.718361,1092,0.113278,711,0.073755,36,0.003734,243,0.025207,609,0.063174,24,0.002490,9640
+a3f6f27bbc87d3ae169323a419916e50dd379790,2020-09-13,6973,0.719608,1095,0.113003,713,0.073581,36,0.003715,244,0.025181,605,0.062436,24,0.002477,9690
+4d82e8e5c5f7e43dbaf5d009697915717d15b155,2020-09-20,6985,0.719732,1097,0.113035,713,0.073467,36,0.003709,245,0.025245,605,0.062339,24,0.002473,9705
+59223c5bc6816962b95d51fb2e8b7edd91c7fa95,2020-09-27,6992,0.719490,1100,0.113192,713,0.073369,37,0.003807,246,0.025314,605,0.062256,25,0.002573,9718
+cdcbb42aa398f697dfe86563b98bddc3cb3d525a,2020-10-04,7002,0.719852,1098,0.112882,714,0.073404,37,0.003804,246,0.025290,605,0.062198,25,0.002570,9727
+34d436a4082b5c5f23b00e13eb8e5a92d957d704,2020-10-11,7027,0.720349,1099,0.112660,714,0.073193,37,0.003793,246,0.025218,607,0.062225,25,0.002563,9755
+4d405914ed02bd5672d5527cf4fa6e529e7faab6,2020-10-18,7193,0.725466,1099,0.110842,714,0.072012,37,0.003732,246,0.024811,601,0.060615,25,0.002521,9915
+2e99651911e21df580ca608889f050763305159d,2020-10-25,7202,0.725058,1106,0.111346,714,0.071882,37,0.003725,248,0.024967,601,0.060505,25,0.002517,9933
+f445bc65764ffad2ae9f3b382ddb8feb4eeea2fb,2020-11-01,7209,0.725106,1107,0.111346,715,0.071917,37,0.003722,249,0.025045,600,0.060350,25,0.002515,9942
+d4dbcb81bc6abb27217fe5ec65a584a7a08ab196,2020-11-08,7227,0.725020,1107,0.111055,718,0.072030,37,0.003712,249,0.024980,605,0.060694,25,0.002508,9968
+81643c4cf3e61f5a98b92a72a92c230f5e7ca905,2020-11-15,7227,0.724584,1109,0.111189,721,0.072288,37,0.003710,249,0.024965,606,0.060758,25,0.002507,9974
+eeee65076e3199c778b177e06de3aae7696dbb9f,2020-11-22,7238,0.724597,1111,0.111222,721,0.072179,37,0.003704,249,0.024927,608,0.060867,25,0.002503,9989
+60a10a11819891d3d91e371364bbdcfab2449ebe,2020-11-29,7292,0.726584,1108,0.110403,719,0.071642,38,0.003786,249,0.024811,605,0.060283,25,0.002491,10036
+937bc5841429f40a64e6b25d5d4c2fe3276789f1,2020-12-06,7363,0.728145,1109,0.109672,722,0.071400,38,0.003758,250,0.024723,605,0.059830,25,0.002472,10112
+1adeb744560af94687eb7c3780c7145c52674070,2020-12-13,7425,0.728656,1121,0.110010,722,0.070854,38,0.003729,250,0.024534,609,0.059764,25,0.002453,10190
+f9978346e73359ac1d8b88c9ed874edc7225582b,2020-12-20,7458,0.728747,1125,0.109928,722,0.070549,39,0.003811,253,0.024722,612,0.059801,25,0.002443,10234
+5aae614868b8a7e3097ae70f6024352aa5c8de21,2020-12-27,7460,0.728729,1125,0.109895,723,0.070626,39,0.003810,253,0.024714,612,0.059783,25,0.002442,10237
+78a9cfa33e66c5647cea66980d83f49a43e27f60,2021-01-03,7534,0.730747,1127,0.109311,723,0.070126,38,0.003686,253,0.024539,609,0.059069,26,0.002522,10310
+9f829da86fceb78cc6fedfd30ee42071d3e402c4,2021-01-10,7698,0.734752,1130,0.107855,723,0.069008,38,0.003627,253,0.024148,609,0.058127,26,0.002482,10477
+23b8af7962114d80552f09ff2adc4c2f4eabf0f5,2021-01-17,7702,0.734503,1130,0.107763,725,0.069140,40,0.003815,256,0.024414,607,0.057887,26,0.002479,10486
+d94f7530434fe3efd61b7d3301eff7501ae044f6,2021-01-24,7744,0.735423,1131,0.107407,725,0.068851,40,0.003799,256,0.024311,608,0.057740,26,0.002469,10530
+a20b4f07bf90efa21acd035d9830bd8f4bf4240d,2021-01-31,7761,0.735640,1131,0.107204,727,0.068910,41,0.003886,255,0.024171,609,0.057725,26,0.002464,10550
+bf645c7fb158913305a884128131d17bdf29774e,2021-02-07,7855,0.737697,1124,0.105560,727,0.068276,41,0.003850,257,0.024136,618,0.058039,26,0.002442,10648
+6941dbf958a2294e0a058af3498df9c46a6a1e50,2021-02-15,8120,0.743930,1125,0.103069,727,0.066606,41,0.003756,258,0.023637,618,0.056619,26,0.002382,10915
+c7be46b7d754cbf0d0526b5d8a9d1ecee64b6154,2021-02-21,8167,0.744553,1126,0.102653,727,0.066278,42,0.003829,258,0.023521,623,0.056796,26,0.002370,10969
+20b5cf8304ef2c0fd16515f289ff0d5a21c7a96f,2021-03-01,8174,0.743835,1130,0.102830,729,0.066339,43,0.003913,258,0.023478,629,0.057239,26,0.002366,10989
+6bf49dfa2606071fcd023f5487b7798fa2383a5e,2021-03-07,8188,0.743823,1131,0.102743,730,0.066315,43,0.003906,258,0.023438,633,0.057504,25,0.002271,11008
+92d0949a268fe8479af5851d5bb3733e207a5c81,2021-03-14,8248,0.744942,1132,0.102240,732,0.066113,47,0.004245,257,0.023212,630,0.056900,26,0.002348,11072
+ba0dc1dbc150a95746ffb89596862533e533c2c9,2021-03-21,8298,0.746022,1133,0.101861,733,0.065899,47,0.004225,256,0.023015,630,0.056639,26,0.002337,11123
+ac6e19b08259f2085ae4757bf4efb095fbdd23e9,2021-03-28,8309,0.746206,1132,0.101661,732,0.065739,49,0.004401,257,0.023080,630,0.056578,26,0.002335,11135
+dda88cda120d75f7d139e54367c0d76e574091dc,2021-04-04,8307,0.745691,1135,0.101885,737,0.066158,50,0.004488,256,0.022980,628,0.056373,27,0.002424,11140
+280cfe63bdd6eb4dd5460385e7918e0808ffe511,2021-04-11,8323,0.745922,1134,0.101631,737,0.066051,50,0.004481,255,0.022854,632,0.056641,27,0.002420,11158
+da28f04a5fa2dba2e153c3af0908ab76c98b6811,2021-04-18,8349,0.746246,1135,0.101448,737,0.065874,50,0.004469,255,0.022792,635,0.056757,27,0.002413,11188
+860d28da6ef850d0c191d756d0804fef03f8e778,2021-04-25,8354,0.746226,1140,0.101831,733,0.065476,51,0.004556,255,0.022778,635,0.056722,27,0.002412,11195
+1b792e8b5275dc010c53d91062082340431204f2,2021-05-02,8364,0.745521,1146,0.102148,736,0.065603,52,0.004635,255,0.022729,639,0.056957,27,0.002407,11219
+cbb704b21eb319f4943f1e01f6c2785a8b7db349,2021-05-09,8384,0.745311,1151,0.102320,737,0.065517,52,0.004623,257,0.022846,641,0.056983,27,0.002400,11249
+860ca285b64ea22441a72c26c4715ccfc28a5b9f,2021-05-16,8393,0.745316,1152,0.102300,738,0.065536,52,0.004618,258,0.022911,641,0.056922,27,0.002398,11261
+d49402ab45486347cddfd000951a69f0c872cfda,2021-05-23,8398,0.745363,1154,0.102423,737,0.065412,52,0.004615,259,0.022987,640,0.056803,27,0.002396,11267
+d7d6c9e4e697c33634c89628d10995d0f070db96,2021-05-30,8472,0.747222,1155,0.101870,736,0.064914,51,0.004498,259,0.022844,638,0.056271,27,0.002381,11338
+d1e7b50dbf58c59c100f1bf5a7ea735daa3a203f,2021-06-06,8504,0.747999,1156,0.101680,735,0.064649,51,0.004486,259,0.022781,637,0.056030,27,0.002375,11369
+335f7668d43f4992148fe133dfa390b81056ebc6,2021-06-13,8582,0.749782,1156,0.100996,735,0.064215,51,0.004456,259,0.022628,636,0.055565,27,0.002359,11446
+dcd94ee855fa03596a8e84b7cffe1344bb6206ef,2021-06-20,8696,0.752184,1157,0.100078,734,0.063489,51,0.004411,260,0.022489,636,0.055013,27,0.002335,11561
+1afffdaa63d34a810943aa5a6b8cc03d42cc3bd2,2021-06-27,8713,0.752483,1157,0.099922,735,0.063477,51,0.004405,261,0.022541,635,0.054841,27,0.002332,11579
+243d74579d2afdcad1f709909a3ac149475b3e23,2021-07-04,8719,0.752611,1156,0.099784,735,0.063444,52,0.004489,261,0.022529,636,0.054899,26,0.002244,11585
+5c3489a3f7f33293dfdaff23374d93a01c838968,2021-07-11,8758,0.753312,1156,0.099432,735,0.063220,53,0.004559,261,0.022450,637,0.054791,26,0.002236,11626
+59d20bcfcc92e51fb451001ed52b21f6daf8013c,2021-07-18,8795,0.753771,1159,0.099332,735,0.062993,53,0.004542,261,0.022369,639,0.054765,26,0.002228,11668
+45881ea747bbff8f4819100264f70958f454090f,2021-07-25,8808,0.753916,1159,0.099204,737,0.063083,53,0.004537,261,0.022340,639,0.054695,26,0.002225,11683
+c8bcef2598c9cee91f2f48d78259c53bdaf27a60,2021-08-01,8830,0.753284,1162,0.099130,736,0.062788,54,0.004607,261,0.022266,653,0.055707,26,0.002218,11722
+aa816708b278cafd86b11c3f3ddcdf7b9930713e,2021-08-08,8850,0.753576,1164,0.099114,736,0.062670,54,0.004598,262,0.022309,652,0.055518,26,0.002214,11744
+ee467c853a184a7768ac171840357afde49c10e3,2021-08-15,8853,0.753383,1164,0.099055,739,0.062888,54,0.004595,262,0.022296,653,0.055570,26,0.002213,11751
+9e3b68203cba2b1bd96e524d3ae9dfc3336a72f7,2021-08-22,8852,0.753490,1164,0.099081,738,0.062819,54,0.004597,262,0.022302,652,0.055499,26,0.002213,11748
+0bc5448cf14c2f61eb591d47a5422fda638f08fc,2021-08-29,8913,0.754699,1164,0.098561,738,0.062489,54,0.004572,262,0.022185,653,0.055292,26,0.002202,11810
+19c3ca02073ea4d540d98a7bfafbed744f1cb637,2021-09-05,8920,0.754781,1166,0.098663,737,0.062362,54,0.004569,262,0.022170,653,0.055255,26,0.002200,11818
+ca23fd62f17fefcbac2aa48b4718245ab0209032,2021-09-12,8992,0.756648,1165,0.098031,738,0.062100,54,0.004544,261,0.021962,648,0.054527,26,0.002188,11884
+68fc1b405e6502dcd73e765d0822ad6208886310,2021-09-19,9023,0.756963,1168,0.097987,739,0.061997,55,0.004614,261,0.021896,648,0.054362,26,0.002181,11920
+47140fbf7217014e8811d30990b78a9fa888df45,2021-09-26,9213,0.760839,1169,0.096540,739,0.061029,55,0.004542,261,0.021554,646,0.053349,26,0.002147,12109
+080ba97652b471c4836dd7e37f4dc72e5e358870,2021-10-03,9226,0.755239,1169,0.095694,738,0.060413,54,0.004420,261,0.021365,742,0.060740,26,0.002128,12216
+7c3f28fdc4edc00f66801cd51a5ba08eee44f77f,2021-10-10,9262,0.753989,1170,0.095246,737,0.059997,55,0.004477,261,0.021247,773,0.062927,26,0.002117,12284
+258a27eea9aab4f8af995f95743ccd264b5efcb5,2021-10-17,9275,0.754126,1170,0.095130,737,0.059924,55,0.004472,260,0.021140,776,0.063095,26,0.002114,12299
+9c3b2cf0b3328a08d026dbbf4fea4c26eafc67ef,2021-10-24,9292,0.754527,1170,0.095006,736,0.059765,55,0.004466,260,0.021112,776,0.063013,26,0.002111,12315
+9f2c5e901e988b575d487629976d2d14be4ed61d,2021-10-31,9299,0.754177,1175,0.095296,739,0.059935,55,0.004461,260,0.021087,776,0.062936,26,0.002109,12330
+b11badfb4cd8124f2f467697cf2a4d15e7f20b19,2021-11-07,9372,0.755380,1176,0.094785,737,0.059402,58,0.004675,260,0.020956,778,0.062707,26,0.002096,12407
+7f7f739e235548ec2f9337b0ec1ef976a1437b30,2021-11-14,9454,0.756804,1177,0.094220,737,0.058998,58,0.004643,261,0.020893,779,0.062360,26,0.002081,12492
+348f1f7cb5e0a37f66268c4204777238f26ae947,2021-11-21,9481,0.757027,1177,0.093980,739,0.059007,58,0.004631,261,0.020840,782,0.062440,26,0.002076,12524
+f43a7838716b80e439d1d94c00da6880d6f2893f,2021-11-28,9491,0.757220,1177,0.093905,739,0.058960,58,0.004627,261,0.020823,782,0.062390,26,0.002074,12534
+030d9b261fc81cf8047cc8f4dfd1f8e59e1fd3b7,2021-12-05,9509,0.757569,1177,0.093770,739,0.058875,57,0.004541,260,0.020714,784,0.062460,26,0.002071,12552
+ab82bed5d14a57d95d278646efe9f930d12fc2ff,2021-12-12,9557,0.758312,1179,0.093549,739,0.058637,57,0.004523,260,0.020630,784,0.062207,27,0.002142,12603
+2607ff0b9c72f032da4f6bc6644c671f0553178e,2021-12-19,9544,0.758906,1179,0.093750,735,0.058445,58,0.004612,260,0.020674,771,0.061307,29,0.002306,12576
+fb95b755e2adfda90d4c8568e0d2c5eacea35d42,2021-12-30,9655,0.760596,1183,0.093194,735,0.057901,59,0.004648,262,0.020640,771,0.060737,29,0.002285,12694
+2c6dfeac6459901b500a81a1d733a48993792a11,2022-01-02,9669,0.760799,1183,0.093084,736,0.057912,59,0.004642,262,0.020615,771,0.060666,29,0.002282,12709
+195bb1fb9d55d8e5187d669c63a3cde747fc5f64,2022-01-09,9681,0.761085,1184,0.093082,736,0.057862,60,0.004717,262,0.020597,766,0.060220,31,0.002437,12720
+0891ac16d0c7eec2c5f0dfddfcc90f92927c8d96,2022-01-16,9719,0.761677,1186,0.092947,736,0.057680,61,0.004781,262,0.020533,765,0.059953,31,0.002429,12760
+d25a4e49d7c908ac6c2ae46b36778b5930ffbbf3,2022-01-23,9917,0.764611,1188,0.091596,738,0.056901,63,0.004857,263,0.020278,770,0.059368,31,0.002390,12970
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+9749fb2c3f2eb6e816d68bb9ed8ad29fea46ef2d,2022-02-13,10027,0.765888,1191,0.090972,737,0.056294,65,0.004965,264,0.020165,776,0.059273,32,0.002444,13092
+1a8b7257a6d657f145520ed67e2faa6f6174a84b,2022-02-20,10054,0.766369,1191,0.090784,737,0.056178,65,0.004955,264,0.020123,776,0.059151,32,0.002439,13119
+31ecd80db714abfc3ef536b458fc4c1ed778d3c6,2022-02-27,10073,0.766766,1190,0.090584,737,0.056101,65,0.004948,264,0.020096,776,0.059070,32,0.002436,13137
+78ff328d25eee0c75305efed58484ac2381e1766,2022-03-06,10087,0.766956,1192,0.090633,736,0.055961,65,0.004942,264,0.020073,776,0.059002,32,0.002433,13152
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+2344fb10972a4cefead8e7aa3e0b807da4cf4570,2022-03-27,10111,0.767205,1193,0.090523,737,0.055922,65,0.004932,265,0.020108,776,0.058882,32,0.002428,13179
+7902d17bc877993936ae0c575bca3bac5d2e1f7f,2022-04-03,10114,0.767142,1194,0.090564,738,0.055977,65,0.004930,265,0.020100,776,0.058859,32,0.002427,13184
+2299d2c896cbd865a7f27d83f793c783e1211dfe,2022-04-10,10135,0.767454,1195,0.090489,739,0.055959,65,0.004922,265,0.020067,775,0.058685,32,0.002423,13206
+e5174200c4d78358e22e889da2b53dc06c202003,2022-04-17,10156,0.767301,1195,0.090284,748,0.056513,65,0.004911,265,0.020021,775,0.058552,32,0.002418,13236
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+7b9ee58925406f5d608fca06db5479e16970dc91,2022-05-01,10180,0.767838,1194,0.090059,748,0.056419,65,0.004903,265,0.019988,773,0.058304,33,0.002489,13258
+fc7fc13716c9be03e2123b09d629c2e5e1328330,2022-05-08,10203,0.768009,1194,0.089876,751,0.056530,65,0.004893,265,0.019947,774,0.058261,33,0.002484,13285
+de68877a517ba058f67086d444d7265c9c803679,2022-05-15,10244,0.767111,1195,0.089486,751,0.056238,65,0.004867,278,0.020818,788,0.059009,33,0.002471,13354
+ad07af353877f8f438d92b04eeb4955f077ca499,2022-05-22,10263,0.767327,1194,0.089271,751,0.056150,65,0.004860,281,0.021009,788,0.058916,33,0.002467,13375
+926fcb488b756fb5d6c4c129c4348650919e5835,2022-05-29,10276,0.767496,1198,0.089476,750,0.056016,66,0.004929,282,0.021062,784,0.058556,33,0.002465,13389
+62da327848311a75723f16642c20d2925919237e,2022-06-05,10198,0.768269,1191,0.089724,740,0.055748,67,0.005047,261,0.019662,784,0.059063,33,0.002486,13274
+75eae3fd78abe3037b0e831958cfa667cc87f0b8,2022-06-12,10200,0.768014,1198,0.090204,735,0.055342,68,0.005120,262,0.019727,784,0.059032,34,0.002560,13281
+77db24ff5ba50c1169642a849211d558668487aa,2022-06-19,10214,0.767047,1202,0.090267,733,0.055047,87,0.006533,263,0.019751,783,0.058801,34,0.002553,13316
+08a2a72a124f21fffaee45d0c71aa34cf49b8d70,2022-06-26,10219,0.767192,1202,0.090240,732,0.054955,87,0.006532,263,0.019745,783,0.058784,34,0.002553,13320
+c145e51844bf52eb77cdc969a0fe30a48755b29e,2022-07-03,10233,0.766862,1203,0.090153,732,0.054856,87,0.006520,263,0.019709,792,0.059353,34,0.002548,13344
+13c73ccd902c55ef859cf2b8a5f96d93007892d8,2022-07-10,10262,0.767138,1206,0.090155,733,0.054796,87,0.006504,264,0.019735,791,0.059131,34,0.002542,13377
+8d7fdbe261e32a63df8c47f06b1a43095b6084c7,2022-07-17,10262,0.766851,1217,0.090943,725,0.054177,90,0.006725,264,0.019728,790,0.059035,34,0.002541,13382
+c5a80784e2a08f676e2f49cbdab1f81db8d7dbb6,2022-07-24,10267,0.766995,1217,0.090916,724,0.054086,90,0.006723,264,0.019722,790,0.059017,34,0.002540,13386
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+bb5afc5b9ebcea94bc083f14fbc83cab9f86adfe,2022-08-07,10324,0.766160,1238,0.091874,726,0.053878,92,0.006827,264,0.019592,797,0.059147,34,0.002523,13475
+ca8c7a36dfbefd66841a2a6df4c9e44ba525c3e0,2022-08-14,10357,0.766958,1237,0.091602,722,0.053466,92,0.006813,264,0.019550,798,0.059094,34,0.002518,13504
+b8f2eb286ec52c97048e23d326d94ae5772797e8,2022-08-21,10362,0.766931,1239,0.091703,722,0.053438,92,0.006809,264,0.019540,798,0.059063,34,0.002516,13511
+8df29c26ba184874561c67e48f69fd3526156516,2022-08-28,10381,0.767145,1239,0.091561,722,0.053355,95,0.007020,263,0.019435,798,0.058971,34,0.002513,13532
+13cc34188ab4bde31f8c74d25d40d9adffbaa582,2022-09-04,10395,0.767102,1242,0.091654,720,0.053133,95,0.007011,263,0.019408,801,0.059110,35,0.002583,13551
+072cc8d1415a2abf66b36249c61658a828dead88,2022-09-11,10436,0.767748,1243,0.091444,720,0.052968,96,0.007062,264,0.019422,799,0.058780,35,0.002575,13593
+373731737fbe082e5e684eae78629df16e3fd61b,2022-09-18,10457,0.767148,1260,0.092436,718,0.052674,97,0.007116,264,0.019368,800,0.058690,35,0.002568,13631
+2e0fa826c9a7bbb159fb4fae38a7de10fe66d8bc,2022-09-25,10497,0.767549,1263,0.092352,719,0.052574,98,0.007166,263,0.019231,801,0.058570,35,0.002559,13676
+ae221813745783ef1b7eee47561a2208cd5ad512,2022-10-02,10520,0.767715,1265,0.092316,718,0.052397,98,0.007152,263,0.019193,804,0.058673,35,0.002554,13703
+79358a99cd46a27fdc716309ccee2596483ab9af,2022-10-09,10531,0.767566,1268,0.092420,719,0.052405,98,0.007143,265,0.019315,804,0.058601,35,0.002551,13720
+270eb27b20b4d1e024553a017f479556ee0b8ded,2022-10-16,10545,0.768082,1267,0.092286,717,0.052225,98,0.007138,264,0.019229,803,0.058489,35,0.002549,13729
+dbc9a9a81b3e2c55cf16d8d7f59fab88163cdb8b,2022-10-23,10559,0.768095,1276,0.092820,711,0.051720,98,0.007129,264,0.019204,803,0.058413,36,0.002619,13747
+63bf06013820aa26aca7dc8f18cb79403b94e9a5,2022-10-30,10259,0.762808,1276,0.094877,713,0.053015,99,0.007361,264,0.019630,802,0.059633,36,0.002677,13449
+a6c90c293d5b0c77d3e1e967546fe0aadc53a102,2022-11-06,10282,0.762760,1279,0.094881,715,0.053042,99,0.007344,265,0.019659,804,0.059644,36,0.002671,13480
+c4025af8c11c3e9ea0c2747b6c475c916fb61d80,2022-11-13,10292,0.762936,1280,0.094885,715,0.053002,100,0.007413,265,0.019644,802,0.059451,36,0.002669,13490
+ac09fcb955e9358c330d728693759ca1a2e20542,2022-11-20,10284,0.762625,1282,0.095069,716,0.053096,100,0.007416,265,0.019651,802,0.059473,36,0.002670,13485
+c4618ca13f1cefeb1dbfe619ca09f32925b84732,2022-11-27,10315,0.759126,1352,0.099500,718,0.052841,100,0.007359,265,0.019503,802,0.059023,36,0.002649,13588
+a4d52f07d7fd0e4d9997b3021192685d4a3b0b71,2022-12-04,10370,0.757875,1354,0.098955,719,0.052547,100,0.007308,265,0.019367,839,0.061317,36,0.002631,13683
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+2472015c36f333657c5a223150e3e809f01ad1af,2022-12-18,10397,0.759792,1355,0.099021,720,0.052616,101,0.007381,265,0.019366,810,0.059193,36,0.002631,13684
+860e949896b1a9ae5427f4cf9fa690fdcaae48a0,2022-12-25,10399,0.759439,1355,0.098956,724,0.052874,103,0.007522,266,0.019426,810,0.059154,36,0.002629,13693
+87cc524f52b65f7f12c9b87d25b467772e357cab,2023-01-01,10408,0.759375,1360,0.099227,724,0.052824,103,0.007515,265,0.019335,810,0.059098,36,0.002627,13706
+db3fdbbdfee9d412053cc9538ad76abee7c2cb89,2023-01-08,10417,0.759146,1362,0.099257,726,0.052908,104,0.007579,265,0.019312,813,0.059248,35,0.002551,13722
+a98145ec04d5c3f8f2ef430555cde5eccfbd3875,2023-01-15,10423,0.759472,1361,0.099169,724,0.052754,106,0.007724,264,0.019236,811,0.059094,35,0.002550,13724
+bbc8f4c29ed9efc1240c3d153fb234d7a79930fd,2023-01-22,10431,0.759613,1361,0.099112,724,0.052724,106,0.007719,264,0.019225,811,0.059059,35,0.002549,13732
+bea22409682f6d1947de7d92f264aad822c2e68c,2023-01-29,10446,0.759543,1363,0.099106,728,0.052934,106,0.007707,264,0.019196,811,0.058969,35,0.002545,13753
+139c9a53cb19a97947aa6998eae953a4f32d3c3e,2023-02-05,10451,0.759686,1394,0.101330,696,0.050592,107,0.007778,264,0.019190,810,0.058879,35,0.002544,13757
+4a6f64ab2afff761eb233e7ca6110d9e8acf8f32,2023-02-12,10476,0.760122,1394,0.101146,695,0.050428,107,0.007764,264,0.019155,810,0.058772,36,0.002612,13782
+877df1765ad8440c81293f4943d1f4f44485ba0f,2023-02-19,10490,0.760255,1392,0.100884,700,0.050732,108,0.007827,263,0.019061,810,0.058704,35,0.002537,13798
+a7c7363a825e176ae25f5f69cacfff0880b23e80,2023-02-26,10493,0.760307,1393,0.100935,699,0.050649,108,0.007826,263,0.019057,810,0.058691,35,0.002536,13801
+d92ec2f2812c76b23aab778e26708cf353542ae9,2023-03-05,10563,0.758673,1391,0.099907,695,0.049917,108,0.007757,264,0.018961,867,0.062271,35,0.002514,13923
+7001cc68b6d5785a8dd6aa202d4acbb2ea9364e5,2023-03-12,10566,0.758507,1393,0.100000,695,0.049892,108,0.007753,264,0.018952,869,0.062383,35,0.002513,13930
+d7b4ecdb4c1a845690d943f8b8d883e065081eb9,2023-03-19,10569,0.758178,1393,0.099928,694,0.049785,108,0.007747,266,0.019082,874,0.062697,36,0.002582,13940
+9b58148641262b014356353ebe418c68011be029,2023-03-26,10593,0.758485,1393,0.099742,695,0.049764,109,0.007805,266,0.019046,874,0.062581,36,0.002578,13966
+f0c8cb44a4d912263025616bc921c011fcb1f0b4,2023-04-02,10621,0.757939,1394,0.099479,695,0.049597,109,0.007778,269,0.019196,889,0.063441,36,0.002569,14013
+c0a19ef082327cb63b8afbadea784dcbb4f6bf5d,2023-04-09,10626,0.757971,1393,0.099365,696,0.049647,110,0.007846,269,0.019188,889,0.063414,36,0.002568,14019
+2d25ea429c359d14955ee44baeeb5778cc56cc7d,2023-04-16,10667,0.758731,1393,0.099082,696,0.049506,110,0.007824,268,0.019063,889,0.063234,36,0.002561,14059
+4502de61f24a5d50a2eb8fdd073162fb939b1e2e,2023-04-23,10672,0.758817,1393,0.099047,696,0.049488,110,0.007821,268,0.019056,889,0.063211,36,0.002560,14064
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+ed0f0204b2c901be006a8441ea4d392a89aba77e,2023-05-07,10672,0.759681,1379,0.098163,684,0.048690,110,0.007830,266,0.018935,900,0.064066,37,0.002634,14048
+5585fbbfd06b4be6d6286d89c705ede1dec090d5,2023-05-14,10871,0.762931,1379,0.096779,685,0.048074,110,0.007720,267,0.018738,900,0.063162,37,0.002597,14249
+7b3f571fc8e3fbb3fefc30ebe53ad074c30653a8,2023-05-21,10875,0.762730,1383,0.096998,682,0.047833,111,0.007785,268,0.018796,902,0.063263,37,0.002595,14258
+5c959d0fa745618ebee337ac2a21d22a6ec3a6a8,2023-05-28,10878,0.762726,1384,0.097041,681,0.047749,112,0.007853,268,0.018791,902,0.063245,37,0.002594,14262
+65bce4d9f9302bc798717d73548bbe5ceb802151,2023-06-04,10885,0.762949,1383,0.096937,682,0.047803,112,0.007850,268,0.018785,900,0.063083,37,0.002593,14267
+e8c207589d431c00b5f1a8175f391020323a3d27,2023-06-11,10901,0.763108,1383,0.096815,682,0.047742,112,0.007840,268,0.018761,902,0.063143,37,0.002590,14285
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+01d5d6807f1026bf2fea1846a156e3e09f84c098,2023-06-25,10925,0.763559,1401,0.097917,664,0.046408,112,0.007828,268,0.018731,901,0.062972,37,0.002586,14308
+a919a16898e7219fdd26bdfe33a9959e7156d59d,2023-07-02,10935,0.763564,1402,0.097898,664,0.046365,112,0.007821,270,0.018853,902,0.062984,36,0.002514,14321
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+fdfea4c4ed0d31494fcb3633c26290f4eba9d2af,2023-07-23,10999,0.764669,1403,0.097539,664,0.046162,112,0.007786,270,0.018771,900,0.062570,36,0.002503,14384
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+a21eb92b855f91e12d3161dc8fc5c8a4e17ee951,2023-08-06,11019,0.765315,1404,0.097514,664,0.046118,113,0.007848,258,0.017919,904,0.062786,36,0.002500,14398
+19c042ddf80533ba7a615b424dedf9647ca65b0f,2023-08-13,11024,0.765556,1403,0.097431,664,0.046111,113,0.007847,258,0.017917,902,0.062639,36,0.002500,14400
+95a1a819dffa833bdd7a47f272da7ee4ff3260c8,2023-08-20,11265,0.768522,1419,0.096807,664,0.045299,113,0.007709,259,0.017670,901,0.061468,37,0.002524,14658
+28fdf6cc16aee56fdc17a31701b90ace6e512481,2023-08-27,11264,0.768402,1421,0.096937,664,0.045296,113,0.007709,259,0.017668,901,0.061464,37,0.002524,14659
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+2eb6df537c36da8bf8e81ff698421f6fb1bfd1ab,2023-09-10,11300,0.768917,1422,0.096761,663,0.045114,113,0.007689,259,0.017624,901,0.061309,38,0.002586,14696
+9b78699744b0c4c8af28820cc4f0d59b9d317ead,2023-09-17,11308,0.768833,1422,0.096682,663,0.045078,114,0.007751,259,0.017609,904,0.061463,38,0.002584,14708
+35fd25af9bbcce84908101a9f487ba106a8d6df7,2023-09-24,11322,0.768949,1423,0.096645,664,0.045096,114,0.007742,259,0.017590,904,0.061396,38,0.002581,14724
+337dbf6867597b6e3b72b0bdb2152a42a9f41dbc,2023-10-01,11332,0.768897,1426,0.096757,665,0.045121,114,0.007735,259,0.017574,904,0.061338,38,0.002578,14738
+f4e8baf3806e79d7111d2943859865ae4ee0b59d,2023-10-10,11357,0.768819,1430,0.096805,665,0.045018,114,0.007717,259,0.017533,908,0.061468,39,0.002640,14772
+d2923babf3ac44cb6faa88317f77c98f3016820d,2023-10-15,11360,0.768814,1431,0.096846,664,0.044938,114,0.007715,260,0.017596,908,0.061451,39,0.002639,14776
+8ca7ccbf0dad63d75637ffdc6a5105eb9a4a4673,2023-10-22,11493,0.770877,1433,0.096116,663,0.044470,115,0.007713,260,0.017439,906,0.060769,39,0.002616,14909
+c03a44f7555768fcb8614883eb06b11b759ba1ca,2023-10-29,11598,0.772479,1433,0.095444,663,0.044159,115,0.007660,260,0.017317,906,0.060344,39,0.002598,15014
+482685697719386ca3505e8beca2398f93aff08f,2023-11-05,11635,0.772782,1434,0.095244,663,0.044036,115,0.007638,260,0.017269,907,0.060242,42,0.002790,15056
+09b19cf8dabdcfeb7a79b0d69c46febf68a53639,2023-11-12,11640,0.772960,1433,0.095159,663,0.044027,117,0.007769,259,0.017199,905,0.060097,42,0.002789,15059
+b7abea0fd6a146563830db1dc4ddd0cceb6fcf1c,2023-11-19,11655,0.772929,1435,0.095165,664,0.044035,117,0.007759,259,0.017176,907,0.060150,42,0.002785,15079
+513bf164592e2b44e3e556cc5099a19bd6977790,2023-11-26,11655,0.772929,1435,0.095165,664,0.044035,117,0.007759,259,0.017176,907,0.060150,42,0.002785,15079
+2c9ac9ab20c76abe570ff83f8746fa089fea3047,2023-12-03,11656,0.773149,1433,0.095052,663,0.043977,117,0.007761,259,0.017180,906,0.060096,42,0.002786,15076
+2e11caff39d502775d7c652972a441f5da3d9eec,2023-12-10,11659,0.773092,1434,0.095087,662,0.043896,117,0.007758,260,0.017240,906,0.060076,43,0.002851,15081
+6ab242609daec00e8bd54f7bff54557c92695724,2023-12-17,11882,0.782380,1434,0.094423,662,0.043590,117,0.007704,261,0.017186,788,0.051886,43,0.002831,15187
+0d13d095420861022e68e87ceebd5e037e12a8b3,2023-12-24,11887,0.781834,1434,0.094317,662,0.043541,129,0.008485,261,0.017167,788,0.051828,43,0.002828,15204
+9d148d08be9d77781e8103915b1f498b03fd3dd2,2023-12-31,11866,0.781532,1436,0.094579,659,0.043404,129,0.008496,261,0.017190,788,0.051900,44,0.002898,15183
+25bcf4eda05b501758b11a53823867dc500ac7d1,2024-01-07,11876,0.781779,1434,0.094398,659,0.043381,130,0.008558,261,0.017181,787,0.051807,44,0.002896,15191
diff --git a/talks/acm-rep-2024/data/pog-types-dl.csv 
b/talks/acm-rep-2024/data/pog-types-dl.csv
new file mode 100644
index 00000000..b9627bd1
--- /dev/null
+++ b/talks/acm-rep-2024/data/pog-types-dl.csv
@@ -0,0 +1,244 @@
+commit,date,tar-gz,tar-xz,tar-bz2,tar,zip,text,other,total
+ee3ce0d71d51d0b93d91a8ef1c82e8d233a74b33,2019-05-05,4722,805,648,23,176,463,20,6857
+152030ffdf548527d32458c5f3fbc98700aa7e69,2019-05-12,4745,806,647,23,177,462,20,6880
+1d86b05618a063378d7ffc89a9b4c33dd65a760c,2019-05-19,4744,807,646,23,177,463,20,6880
+f3addff21c074e3f655d2108be6a21b93f598498,2019-05-26,4755,806,647,23,181,462,20,6894
+1a2fa342f0eac9aea5f16d0bb660fdf89bc9651e,2019-06-02,4756,808,650,22,181,461,20,6898
+c447eb4d1d7c222a68b1fd2397e01ff56a473e62,2019-06-10,4751,809,660,22,181,460,20,6903
+86c05c4465dee12f140baff107dab1816214305b,2019-06-16,4759,809,661,20,181,461,20,6911
+a37cbc4cbda2c1850e38bc7d14d70cc3a266a8fb,2019-06-23,4778,810,664,20,182,462,20,6936
+e79281be105b16153c375af5506db31fd1e32698,2019-07-03,4793,813,665,21,182,462,20,6956
+079c93e1c1dd93639417095000d5e56d8db62d61,2019-07-07,4798,813,665,21,182,462,20,6961
+041e03847beda7fd9cfb92f87db14c5b33179f29,2019-07-14,4805,815,665,21,182,460,20,6968
+e6df9c7e85ea48765c152b27c88ba30c50c92bb2,2019-07-21,4815,817,665,21,182,462,20,6982
+7e5eda0c08112963be08ebe0c62eed651749e0a1,2019-07-28,4831,818,666,21,182,488,20,7026
+ac6b78488faa80a83e85ee38e4a701d9c3c90c46,2019-08-04,4844,818,667,21,182,491,20,7043
+c91364d36cf6c8fc4c696d151eb9fca7832cf898,2019-08-11,4851,820,667,21,181,504,21,7065
+37d40fa509cbbe48a1d7db1291338d7ccaeae830,2019-08-18,4897,825,666,21,182,502,21,7114
+3d76112769d2149e81b7cc774d859469d1f1909e,2019-08-25,4905,827,667,21,182,505,22,7129
+1719f4f1e3aba3af60b5f7e63b8db529ef777af5,2019-09-01,4985,828,670,21,182,505,22,7213
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+991c44109f92aef099b3ec50501c7cd08978c793,2019-09-15,5062,826,671,22,183,505,22,7291
+ee0a392fa001b3e3aea05150dd985b59fb7e5e3b,2019-09-22,5121,828,672,20,195,504,22,7362
+52e62bbd76b06d754f409c0f277b80e6208fe152,2019-09-29,5120,834,672,19,196,500,22,7363
+5a54baf67cfb91ad5062a4a061bc6d083096f9d8,2019-10-06,5119,835,698,20,196,501,22,7391
+b51c402f23e77a17c564a035887e55b61ef7aecf,2019-10-13,5120,842,697,19,196,491,23,7388
+7757f44044926d1aaa3a9520c5ee6f841d68f58e,2019-10-20,5128,843,700,19,196,490,23,7399
+632c6f2e6e25da2ab335a9f3592956221bc742ed,2019-11-10,4997,848,698,19,194,484,23,7263
+cf9dad6c87bab87bc25e80b321158b0328db0d8a,2019-11-17,4989,852,698,19,196,486,23,7263
+68c47474bc8bc633fa3b13610d4f700891067bbc,2019-11-24,5027,857,697,19,197,497,23,7317
+0b4ced58c04004a3751c8b84b10b8a92c5289ad9,2019-12-01,5002,861,696,19,197,502,23,7300
+add773c37a10e2c900fcfaff745e095b7fe96fbb,2019-12-08,5026,869,695,19,197,505,23,7334
+4fb8e2744a62a7124521f8fa7fb160fa56e5d41d,2019-12-15,5132,908,694,18,197,504,23,7476
+630a4b77d6c6eaa32889408331c1b79b273b24b6,2019-12-22,5190,910,696,18,197,504,23,7538
+34085eabccb8a0ca280f8d1605fdf369a94dd88a,2019-12-29,5188,938,699,18,197,504,24,7568
+85ad4ffb25c941a2a37cb4af839de9ac141c8253,2020-01-05,5564,941,698,18,198,504,24,7947
+8dc2af3ba541141d8320e860cec31090d5b69dc0,2020-01-12,5557,946,696,18,198,503,24,7942
+2d4b248857f2758f545a1399969f372d1b717f55,2020-01-19,5598,958,694,18,199,504,24,7995
+99b23feeb9d06f07b4a04af624a69ed12637b112,2020-01-26,5655,957,694,18,198,504,24,8050
+3d0c79186c6fb5346cbe20115a4fde19bc678134,2020-02-02,5661,959,695,18,198,507,25,8063
+5998ac14f376194d3878f918cb9e04a6ff599d77,2020-02-09,5713,959,695,18,200,511,25,8121
+3c6aca4232d1a3638ec962bc7afe9121626c43ec,2020-02-16,5773,1002,696,18,211,512,25,8237
+6634b29f501764f542e3a5fc91bb691ef18b5702,2020-02-23,5866,1003,695,19,212,512,25,8332
+1d9b4664e30ce3f79606bf1167a2fca9bf4abba2,2020-03-01,6033,1004,697,19,212,514,25,8504
+5fdc5b2d57d2e7ab04dbaf9c85e7f34eebe81495,2020-03-08,6055,1009,697,19,213,515,25,8533
+77386648da9c6bd0601d389ddb94ddba088d8b87,2020-03-15,6066,1008,698,19,215,515,25,8546
+405c0c947cfd59d7bfb81052545cd635970d2d0c,2020-03-22,6130,1024,698,20,216,514,25,8627
+07ce7ae531d58a799eec3e9113c794b717deee8f,2020-03-29,6161,1026,699,20,216,514,25,8661
+4da6de3e675bd8c79320b40c62b93eea7378d273,2020-04-05,6192,1028,700,20,218,520,25,8703
+1518b4bceb9955ed6d94432d651b7a2a9f3052e1,2020-04-12,6214,1033,700,20,218,526,24,8735
+fafe2343c29bcb02fcee79558fbd8ae2ba2c1214,2020-04-19,6232,1034,700,20,219,527,24,8756
+9b7e41f2d720b2a5da0d52dea6e2017d2851a640,2020-04-26,6239,1040,701,20,220,528,24,8772
+1463079a2dc855df2274a2429dd48adc4d31ffdb,2020-05-03,6399,1045,704,20,220,528,24,8940
+ccc9240664b5ecded499111ba6c5d9bbd4e7241f,2020-05-10,6512,1049,698,23,221,550,23,9076
+d308bc01e171f327084bfaa9fe79fb31fe662669,2020-05-17,6518,1051,701,23,221,555,23,9092
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+ecbde6505cd12025d7fe92c2c9a56b969ff3cb8e,2020-06-07,6569,1058,698,30,222,565,24,9166
+d291b454bd402c88eed1464a1dfa058a2f663874,2020-06-14,6576,1064,697,30,222,564,24,9177
+f6c6970e0dbebb7cac679f46656c2655dfe532c2,2020-06-21,6604,1064,698,33,226,564,24,9213
+ea33de6d704f30b3c827877173c513f6fce22f1e,2020-06-28,6619,1073,698,33,227,585,24,9259
+4cd05788b548d60154f365542fd9446ac4bcfd9f,2020-07-05,6645,1076,700,34,227,589,24,9295
+ea4915a74bc4c03495d4910c1e32a92c790b6626,2020-07-12,6696,1077,700,35,227,604,24,9363
+7ffec020aec9ccbc531d24e65acd93e9f3962f9f,2020-07-19,6733,1077,701,35,240,615,24,9425
+ce9c5bb79c3208162bb87c1bcbc90464601d28ba,2020-07-26,6796,1079,699,35,241,604,24,9478
+95c9785b428bd332644de201c7f9ac7e8f4cd72f,2020-08-02,6812,1074,700,36,241,604,24,9491
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+ee3be810d6f5721dce037c5d71c823335f9a6abb,2020-08-16,6857,1079,705,36,242,605,24,9548
+dc12a37a0d70bd56a5fac59af5a5196d6b525482,2020-08-23,6897,1093,708,36,243,607,24,9608
+73a3085e346f7e6286acdc3e7b0ea3194ff0c317,2020-08-30,6922,1093,709,37,243,610,24,9638
+10ba62ec63f80044c8652a9869f13585f2014ebe,2020-09-06,6925,1092,711,36,243,609,24,9640
+a3f6f27bbc87d3ae169323a419916e50dd379790,2020-09-13,6973,1095,713,36,244,605,24,9690
+4d82e8e5c5f7e43dbaf5d009697915717d15b155,2020-09-20,6985,1097,713,36,245,605,24,9705
+59223c5bc6816962b95d51fb2e8b7edd91c7fa95,2020-09-27,6992,1100,713,37,246,605,25,9718
+cdcbb42aa398f697dfe86563b98bddc3cb3d525a,2020-10-04,7002,1098,714,37,246,605,25,9727
+34d436a4082b5c5f23b00e13eb8e5a92d957d704,2020-10-11,7027,1099,714,37,246,607,25,9755
+4d405914ed02bd5672d5527cf4fa6e529e7faab6,2020-10-18,7193,1099,714,37,246,601,25,9915
+2e99651911e21df580ca608889f050763305159d,2020-10-25,7202,1106,714,37,248,601,25,9933
+f445bc65764ffad2ae9f3b382ddb8feb4eeea2fb,2020-11-01,7209,1107,715,37,249,600,25,9942
+d4dbcb81bc6abb27217fe5ec65a584a7a08ab196,2020-11-08,7227,1107,718,37,249,605,25,9968
+81643c4cf3e61f5a98b92a72a92c230f5e7ca905,2020-11-15,7227,1109,721,37,249,606,25,9974
+eeee65076e3199c778b177e06de3aae7696dbb9f,2020-11-22,7238,1111,721,37,249,608,25,9989
+60a10a11819891d3d91e371364bbdcfab2449ebe,2020-11-29,7292,1108,719,38,249,605,25,10036
+937bc5841429f40a64e6b25d5d4c2fe3276789f1,2020-12-06,7363,1109,722,38,250,605,25,10112
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+f9978346e73359ac1d8b88c9ed874edc7225582b,2020-12-20,7458,1125,722,39,253,612,25,10234
+5aae614868b8a7e3097ae70f6024352aa5c8de21,2020-12-27,7460,1125,723,39,253,612,25,10237
+78a9cfa33e66c5647cea66980d83f49a43e27f60,2021-01-03,7534,1127,723,38,253,609,26,10310
+9f829da86fceb78cc6fedfd30ee42071d3e402c4,2021-01-10,7698,1130,723,38,253,609,26,10477
+23b8af7962114d80552f09ff2adc4c2f4eabf0f5,2021-01-17,7702,1130,725,40,256,607,26,10486
+d94f7530434fe3efd61b7d3301eff7501ae044f6,2021-01-24,7744,1131,725,40,256,608,26,10530
+a20b4f07bf90efa21acd035d9830bd8f4bf4240d,2021-01-31,7761,1131,727,41,255,609,26,10550
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+6941dbf958a2294e0a058af3498df9c46a6a1e50,2021-02-15,8120,1125,727,41,258,618,26,10915
+c7be46b7d754cbf0d0526b5d8a9d1ecee64b6154,2021-02-21,8167,1126,727,42,258,623,26,10969
+20b5cf8304ef2c0fd16515f289ff0d5a21c7a96f,2021-03-01,8174,1130,729,43,258,629,26,10989
+6bf49dfa2606071fcd023f5487b7798fa2383a5e,2021-03-07,8188,1131,730,43,258,633,25,11008
+92d0949a268fe8479af5851d5bb3733e207a5c81,2021-03-14,8248,1132,732,47,257,630,26,11072
+ba0dc1dbc150a95746ffb89596862533e533c2c9,2021-03-21,8298,1133,733,47,256,630,26,11123
+ac6e19b08259f2085ae4757bf4efb095fbdd23e9,2021-03-28,8309,1132,732,49,257,630,26,11135
+dda88cda120d75f7d139e54367c0d76e574091dc,2021-04-04,8307,1135,737,50,256,628,27,11140
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+860d28da6ef850d0c191d756d0804fef03f8e778,2021-04-25,8354,1140,733,51,255,635,27,11195
+1b792e8b5275dc010c53d91062082340431204f2,2021-05-02,8364,1146,736,52,255,639,27,11219
+cbb704b21eb319f4943f1e01f6c2785a8b7db349,2021-05-09,8384,1151,737,52,257,641,27,11249
+860ca285b64ea22441a72c26c4715ccfc28a5b9f,2021-05-16,8393,1152,738,52,258,641,27,11261
+d49402ab45486347cddfd000951a69f0c872cfda,2021-05-23,8398,1154,737,52,259,640,27,11267
+d7d6c9e4e697c33634c89628d10995d0f070db96,2021-05-30,8472,1155,736,51,259,638,27,11338
+d1e7b50dbf58c59c100f1bf5a7ea735daa3a203f,2021-06-06,8504,1156,735,51,259,637,27,11369
+335f7668d43f4992148fe133dfa390b81056ebc6,2021-06-13,8582,1156,735,51,259,636,27,11446
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+1afffdaa63d34a810943aa5a6b8cc03d42cc3bd2,2021-06-27,8713,1157,735,51,261,635,27,11579
+243d74579d2afdcad1f709909a3ac149475b3e23,2021-07-04,8719,1156,735,52,261,636,26,11585
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+c8bcef2598c9cee91f2f48d78259c53bdaf27a60,2021-08-01,8830,1162,736,54,261,653,26,11722
+aa816708b278cafd86b11c3f3ddcdf7b9930713e,2021-08-08,8850,1164,736,54,262,652,26,11744
+ee467c853a184a7768ac171840357afde49c10e3,2021-08-15,8853,1164,739,54,262,653,26,11751
+9e3b68203cba2b1bd96e524d3ae9dfc3336a72f7,2021-08-22,8852,1164,738,54,262,652,26,11748
+0bc5448cf14c2f61eb591d47a5422fda638f08fc,2021-08-29,8913,1164,738,54,262,653,26,11810
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diff --git a/talks/acm-rep-2024/data/pog-types-high-rel.csv 
b/talks/acm-rep-2024/data/pog-types-high-rel.csv
new file mode 100644
index 00000000..de99551e
--- /dev/null
+++ b/talks/acm-rep-2024/data/pog-types-high-rel.csv
@@ -0,0 +1,244 @@
+commit,date,download,download-rel,vcs,vcs-rel,total
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+1d86b05618a063378d7ffc89a9b4c33dd65a760c,2019-05-19,6880,0.776173,1984,0.223827,8864
+f3addff21c074e3f655d2108be6a21b93f598498,2019-05-26,6894,0.775914,1991,0.224086,8885
+1a2fa342f0eac9aea5f16d0bb660fdf89bc9651e,2019-06-02,6898,0.775318,1999,0.224682,8897
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+079c93e1c1dd93639417095000d5e56d8db62d61,2019-07-07,6961,0.767983,2103,0.232017,9064
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+e6df9c7e85ea48765c152b27c88ba30c50c92bb2,2019-07-21,6982,0.765235,2142,0.234765,9124
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+632c6f2e6e25da2ab335a9f3592956221bc742ed,2019-11-10,7263,0.739161,2563,0.260839,9826
+cf9dad6c87bab87bc25e80b321158b0328db0d8a,2019-11-17,7263,0.736165,2603,0.263835,9866
+68c47474bc8bc633fa3b13610d4f700891067bbc,2019-11-24,7317,0.736043,2624,0.263957,9941
+0b4ced58c04004a3751c8b84b10b8a92c5289ad9,2019-12-01,7300,0.733226,2656,0.266774,9956
+add773c37a10e2c900fcfaff745e095b7fe96fbb,2019-12-08,7334,0.732960,2672,0.267040,10006
+4fb8e2744a62a7124521f8fa7fb160fa56e5d41d,2019-12-15,7476,0.735176,2693,0.264824,10169
+630a4b77d6c6eaa32889408331c1b79b273b24b6,2019-12-22,7538,0.735486,2711,0.264514,10249
+34085eabccb8a0ca280f8d1605fdf369a94dd88a,2019-12-29,7568,0.734757,2732,0.265243,10300
+85ad4ffb25c941a2a37cb4af839de9ac141c8253,2020-01-05,7947,0.741117,2776,0.258883,10723
+8dc2af3ba541141d8320e860cec31090d5b69dc0,2020-01-12,7942,0.738241,2816,0.261759,10758
+2d4b248857f2758f545a1399969f372d1b717f55,2020-01-19,7995,0.740278,2805,0.259722,10800
+99b23feeb9d06f07b4a04af624a69ed12637b112,2020-01-26,8050,0.739754,2832,0.260246,10882
+3d0c79186c6fb5346cbe20115a4fde19bc678134,2020-02-02,8063,0.738641,2853,0.261359,10916
+5998ac14f376194d3878f918cb9e04a6ff599d77,2020-02-09,8121,0.737602,2889,0.262398,11010
+3c6aca4232d1a3638ec962bc7afe9121626c43ec,2020-02-16,8237,0.738082,2923,0.261918,11160
+6634b29f501764f542e3a5fc91bb691ef18b5702,2020-02-23,8332,0.738980,2943,0.261020,11275
+1d9b4664e30ce3f79606bf1167a2fca9bf4abba2,2020-03-01,8504,0.741542,2964,0.258458,11468
+5fdc5b2d57d2e7ab04dbaf9c85e7f34eebe81495,2020-03-08,8533,0.741871,2969,0.258129,11502
+77386648da9c6bd0601d389ddb94ddba088d8b87,2020-03-15,8546,0.740940,2988,0.259060,11534
+405c0c947cfd59d7bfb81052545cd635970d2d0c,2020-03-22,8627,0.741470,3008,0.258530,11635
+07ce7ae531d58a799eec3e9113c794b717deee8f,2020-03-29,8661,0.741207,3024,0.258793,11685
+4da6de3e675bd8c79320b40c62b93eea7378d273,2020-04-05,8703,0.738669,3079,0.261331,11782
+1518b4bceb9955ed6d94432d651b7a2a9f3052e1,2020-04-12,8735,0.738439,3094,0.261561,11829
+fafe2343c29bcb02fcee79558fbd8ae2ba2c1214,2020-04-19,8756,0.738093,3107,0.261907,11863
+9b7e41f2d720b2a5da0d52dea6e2017d2851a640,2020-04-26,8772,0.737081,3129,0.262919,11901
+1463079a2dc855df2274a2429dd48adc4d31ffdb,2020-05-03,8940,0.739271,3153,0.260729,12093
+ccc9240664b5ecded499111ba6c5d9bbd4e7241f,2020-05-10,9076,0.740354,3183,0.259646,12259
+d308bc01e171f327084bfaa9fe79fb31fe662669,2020-05-17,9092,0.740090,3193,0.259910,12285
+dfc426582f7e5a34a89015663cadbad3829f55e5,2020-05-24,9115,0.739374,3213,0.260626,12328
+776ecaaa0fb7201ae34653aa4c33e240b6d7b901,2020-05-31,9151,0.738758,3236,0.261242,12387
+ecbde6505cd12025d7fe92c2c9a56b969ff3cb8e,2020-06-07,9166,0.738419,3247,0.261581,12413
+d291b454bd402c88eed1464a1dfa058a2f663874,2020-06-14,9177,0.736753,3279,0.263247,12456
+f6c6970e0dbebb7cac679f46656c2655dfe532c2,2020-06-21,9213,0.736451,3297,0.263549,12510
+ea33de6d704f30b3c827877173c513f6fce22f1e,2020-06-28,9259,0.735075,3337,0.264925,12596
+4cd05788b548d60154f365542fd9446ac4bcfd9f,2020-07-05,9295,0.734202,3365,0.265798,12660
+ea4915a74bc4c03495d4910c1e32a92c790b6626,2020-07-12,9363,0.734238,3389,0.265762,12752
+7ffec020aec9ccbc531d24e65acd93e9f3962f9f,2020-07-19,9425,0.730564,3476,0.269436,12901
+ce9c5bb79c3208162bb87c1bcbc90464601d28ba,2020-07-26,9478,0.729975,3506,0.270025,12984
+95c9785b428bd332644de201c7f9ac7e8f4cd72f,2020-08-02,9491,0.728955,3529,0.271045,13020
+cb97d076491495aa956dbff93679a51cc5708010,2020-08-09,9525,0.728768,3545,0.271232,13070
+ee3be810d6f5721dce037c5d71c823335f9a6abb,2020-08-16,9548,0.725753,3608,0.274247,13156
+dc12a37a0d70bd56a5fac59af5a5196d6b525482,2020-08-23,9608,0.724312,3657,0.275688,13265
+73a3085e346f7e6286acdc3e7b0ea3194ff0c317,2020-08-30,9638,0.724444,3666,0.275556,13304
+10ba62ec63f80044c8652a9869f13585f2014ebe,2020-09-06,9640,0.723344,3687,0.276656,13327
+a3f6f27bbc87d3ae169323a419916e50dd379790,2020-09-13,9690,0.722865,3715,0.277135,13405
+4d82e8e5c5f7e43dbaf5d009697915717d15b155,2020-09-20,9705,0.722152,3734,0.277848,13439
+59223c5bc6816962b95d51fb2e8b7edd91c7fa95,2020-09-27,9718,0.716244,3850,0.283756,13568
+cdcbb42aa398f697dfe86563b98bddc3cb3d525a,2020-10-04,9727,0.721213,3760,0.278787,13487
+34d436a4082b5c5f23b00e13eb8e5a92d957d704,2020-10-11,9755,0.720937,3776,0.279063,13531
+4d405914ed02bd5672d5527cf4fa6e529e7faab6,2020-10-18,9915,0.722931,3800,0.277069,13715
+2e99651911e21df580ca608889f050763305159d,2020-10-25,9933,0.722085,3823,0.277915,13756
+f445bc65764ffad2ae9f3b382ddb8feb4eeea2fb,2020-11-01,9942,0.721533,3837,0.278467,13779
+d4dbcb81bc6abb27217fe5ec65a584a7a08ab196,2020-11-08,9968,0.721274,3852,0.278726,13820
+81643c4cf3e61f5a98b92a72a92c230f5e7ca905,2020-11-15,9974,0.720248,3874,0.279752,13848
+eeee65076e3199c778b177e06de3aae7696dbb9f,2020-11-22,9989,0.719358,3897,0.280642,13886
+60a10a11819891d3d91e371364bbdcfab2449ebe,2020-11-29,10036,0.718757,3927,0.281243,13963
+937bc5841429f40a64e6b25d5d4c2fe3276789f1,2020-12-06,10112,0.717570,3980,0.282430,14092
+1adeb744560af94687eb7c3780c7145c52674070,2020-12-13,10190,0.717252,4017,0.282748,14207
+f9978346e73359ac1d8b88c9ed874edc7225582b,2020-12-20,10234,0.717219,4035,0.282781,14269
+5aae614868b8a7e3097ae70f6024352aa5c8de21,2020-12-27,10237,0.716726,4046,0.283274,14283
+78a9cfa33e66c5647cea66980d83f49a43e27f60,2021-01-03,10310,0.716769,4074,0.283231,14384
+9f829da86fceb78cc6fedfd30ee42071d3e402c4,2021-01-10,10477,0.718390,4107,0.281610,14584
+23b8af7962114d80552f09ff2adc4c2f4eabf0f5,2021-01-17,10486,0.717139,4136,0.282861,14622
+d94f7530434fe3efd61b7d3301eff7501ae044f6,2021-01-24,10530,0.717254,4151,0.282746,14681
+a20b4f07bf90efa21acd035d9830bd8f4bf4240d,2021-01-31,10550,0.715691,4191,0.284309,14741
+bf645c7fb158913305a884128131d17bdf29774e,2021-02-07,10648,0.714487,4255,0.285513,14903
+6941dbf958a2294e0a058af3498df9c46a6a1e50,2021-02-15,10915,0.718801,4270,0.281199,15185
+c7be46b7d754cbf0d0526b5d8a9d1ecee64b6154,2021-02-21,10969,0.718243,4303,0.281757,15272
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+6bf49dfa2606071fcd023f5487b7798fa2383a5e,2021-03-07,11008,0.716247,4361,0.283753,15369
+92d0949a268fe8479af5851d5bb3733e207a5c81,2021-03-14,11072,0.715986,4392,0.284014,15464
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+dda88cda120d75f7d139e54367c0d76e574091dc,2021-04-04,11140,0.711821,4510,0.288179,15650
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+d49402ab45486347cddfd000951a69f0c872cfda,2021-05-23,11267,0.705908,4694,0.294092,15961
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diff --git a/talks/acm-rep-2024/data/pog-types-high.csv 
b/talks/acm-rep-2024/data/pog-types-high.csv
new file mode 100644
index 00000000..218871df
--- /dev/null
+++ b/talks/acm-rep-2024/data/pog-types-high.csv
@@ -0,0 +1,244 @@
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diff --git a/talks/acm-rep-2024/data/pog-types-vcs-rel.csv 
b/talks/acm-rep-2024/data/pog-types-vcs-rel.csv
new file mode 100644
index 00000000..82248ea2
--- /dev/null
+++ b/talks/acm-rep-2024/data/pog-types-vcs-rel.csv
@@ -0,0 +1,244 @@
+commit,date,git,git-rel,svn,svn-rel,other,other-rel,total
+ee3ce0d71d51d0b93d91a8ef1c82e8d233a74b33,2019-05-05,1731,0.886329,201,0.102919,21,0.010753,1953
+152030ffdf548527d32458c5f3fbc98700aa7e69,2019-05-12,1749,0.886917,201,0.101927,22,0.011156,1972
+1d86b05618a063378d7ffc89a9b4c33dd65a760c,2019-05-19,1761,0.887601,201,0.101310,22,0.011089,1984
+f3addff21c074e3f655d2108be6a21b93f598498,2019-05-26,1768,0.887996,201,0.100954,22,0.011050,1991
+1a2fa342f0eac9aea5f16d0bb660fdf89bc9651e,2019-06-02,1776,0.888444,201,0.100550,22,0.011006,1999
+c447eb4d1d7c222a68b1fd2397e01ff56a473e62,2019-06-10,1789,0.888723,201,0.099851,23,0.011426,2013
+86c05c4465dee12f140baff107dab1816214305b,2019-06-16,1805,0.889601,201,0.099064,23,0.011336,2029
+a37cbc4cbda2c1850e38bc7d14d70cc3a266a8fb,2019-06-23,1830,0.890944,201,0.097858,23,0.011198,2054
+e79281be105b16153c375af5506db31fd1e32698,2019-07-03,1866,0.892823,201,0.096172,23,0.011005,2090
+079c93e1c1dd93639417095000d5e56d8db62d61,2019-07-07,1879,0.893485,201,0.095578,23,0.010937,2103
+041e03847beda7fd9cfb92f87db14c5b33179f29,2019-07-14,1899,0.894068,201,0.094633,24,0.011299,2124
+e6df9c7e85ea48765c152b27c88ba30c50c92bb2,2019-07-21,1917,0.894958,201,0.093838,24,0.011204,2142
+7e5eda0c08112963be08ebe0c62eed651749e0a1,2019-07-28,1922,0.895203,201,0.093619,24,0.011178,2147
+ac6b78488faa80a83e85ee38e4a701d9c3c90c46,2019-08-04,1940,0.896074,201,0.092841,24,0.011085,2165
+c91364d36cf6c8fc4c696d151eb9fca7832cf898,2019-08-11,1963,0.891867,214,0.097229,24,0.010904,2201
+37d40fa509cbbe48a1d7db1291338d7ccaeae830,2019-08-18,1974,0.892405,214,0.096745,24,0.010850,2212
+3d76112769d2149e81b7cc774d859469d1f1909e,2019-08-25,1995,0.893417,214,0.095835,24,0.010748,2233
+1719f4f1e3aba3af60b5f7e63b8db529ef777af5,2019-09-01,2013,0.893872,215,0.095471,24,0.010657,2252
+37ecf2d905e6afc555150ffe51095415a0d27b89,2019-09-08,2034,0.891714,223,0.097764,24,0.010522,2281
+991c44109f92aef099b3ec50501c7cd08978c793,2019-09-15,2053,0.892609,223,0.096957,24,0.010435,2300
+ee0a392fa001b3e3aea05150dd985b59fb7e5e3b,2019-09-22,2083,0.893991,223,0.095708,24,0.010300,2330
+52e62bbd76b06d754f409c0f277b80e6208fe152,2019-09-29,2111,0.894492,223,0.094492,26,0.011017,2360
+5a54baf67cfb91ad5062a4a061bc6d083096f9d8,2019-10-06,2122,0.894981,223,0.094053,26,0.010966,2371
+b51c402f23e77a17c564a035887e55b61ef7aecf,2019-10-13,2148,0.895746,223,0.092994,27,0.011259,2398
+7757f44044926d1aaa3a9520c5ee6f841d68f58e,2019-10-20,2173,0.896822,223,0.092035,27,0.011143,2423
+632c6f2e6e25da2ab335a9f3592956221bc742ed,2019-11-10,2219,0.865782,223,0.087007,121,0.047210,2563
+cf9dad6c87bab87bc25e80b321158b0328db0d8a,2019-11-17,2257,0.867076,224,0.086055,122,0.046869,2603
+68c47474bc8bc633fa3b13610d4f700891067bbc,2019-11-24,2277,0.867759,224,0.085366,123,0.046875,2624
+0b4ced58c04004a3751c8b84b10b8a92c5289ad9,2019-12-01,2309,0.869352,224,0.084337,123,0.046310,2656
+add773c37a10e2c900fcfaff745e095b7fe96fbb,2019-12-08,2325,0.870135,224,0.083832,123,0.046033,2672
+4fb8e2744a62a7124521f8fa7fb160fa56e5d41d,2019-12-15,2346,0.871147,224,0.083179,123,0.045674,2693
+630a4b77d6c6eaa32889408331c1b79b273b24b6,2019-12-22,2364,0.872003,224,0.082626,123,0.045371,2711
+34085eabccb8a0ca280f8d1605fdf369a94dd88a,2019-12-29,2384,0.872621,225,0.082357,123,0.045022,2732
+85ad4ffb25c941a2a37cb4af839de9ac141c8253,2020-01-05,2428,0.874640,225,0.081052,123,0.044308,2776
+8dc2af3ba541141d8320e860cec31090d5b69dc0,2020-01-12,2468,0.876420,225,0.079901,123,0.043679,2816
+2d4b248857f2758f545a1399969f372d1b717f55,2020-01-19,2457,0.875936,225,0.080214,123,0.043850,2805
+99b23feeb9d06f07b4a04af624a69ed12637b112,2020-01-26,2484,0.877119,225,0.079449,123,0.043432,2832
+3d0c79186c6fb5346cbe20115a4fde19bc678134,2020-02-02,2505,0.878023,225,0.078864,123,0.043113,2853
+5998ac14f376194d3878f918cb9e04a6ff599d77,2020-02-09,2541,0.879543,225,0.077882,123,0.042575,2889
+3c6aca4232d1a3638ec962bc7afe9121626c43ec,2020-02-16,2575,0.880944,225,0.076976,123,0.042080,2923
+6634b29f501764f542e3a5fc91bb691ef18b5702,2020-02-23,2595,0.881753,225,0.076453,123,0.041794,2943
+1d9b4664e30ce3f79606bf1167a2fca9bf4abba2,2020-03-01,2616,0.882591,225,0.075911,123,0.041498,2964
+5fdc5b2d57d2e7ab04dbaf9c85e7f34eebe81495,2020-03-08,2621,0.882789,225,0.075783,123,0.041428,2969
+77386648da9c6bd0601d389ddb94ddba088d8b87,2020-03-15,2640,0.883534,225,0.075301,123,0.041165,2988
+405c0c947cfd59d7bfb81052545cd635970d2d0c,2020-03-22,2659,0.883976,226,0.075133,123,0.040891,3008
+07ce7ae531d58a799eec3e9113c794b717deee8f,2020-03-29,2675,0.884590,226,0.074735,123,0.040675,3024
+4da6de3e675bd8c79320b40c62b93eea7378d273,2020-04-05,2730,0.886652,226,0.073400,123,0.039948,3079
+1518b4bceb9955ed6d94432d651b7a2a9f3052e1,2020-04-12,2745,0.887201,226,0.073045,123,0.039754,3094
+fafe2343c29bcb02fcee79558fbd8ae2ba2c1214,2020-04-19,2758,0.887673,226,0.072739,123,0.039588,3107
+9b7e41f2d720b2a5da0d52dea6e2017d2851a640,2020-04-26,2778,0.887824,228,0.072867,123,0.039310,3129
+1463079a2dc855df2274a2429dd48adc4d31ffdb,2020-05-03,2801,0.888360,229,0.072629,123,0.039010,3153
+ccc9240664b5ecded499111ba6c5d9bbd4e7241f,2020-05-10,2829,0.888784,230,0.072259,124,0.038957,3183
+d308bc01e171f327084bfaa9fe79fb31fe662669,2020-05-17,2838,0.888819,231,0.072346,124,0.038835,3193
+dfc426582f7e5a34a89015663cadbad3829f55e5,2020-05-24,2857,0.889200,231,0.071895,125,0.038904,3213
+776ecaaa0fb7201ae34653aa4c33e240b6d7b901,2020-05-31,2880,0.889988,231,0.071384,125,0.038628,3236
+ecbde6505cd12025d7fe92c2c9a56b969ff3cb8e,2020-06-07,2891,0.890360,231,0.071143,125,0.038497,3247
+d291b454bd402c88eed1464a1dfa058a2f663874,2020-06-14,2918,0.889905,231,0.070448,130,0.039646,3279
+f6c6970e0dbebb7cac679f46656c2655dfe532c2,2020-06-21,2935,0.890203,231,0.070064,131,0.039733,3297
+ea33de6d704f30b3c827877173c513f6fce22f1e,2020-06-28,2975,0.891519,231,0.069224,131,0.039257,3337
+4cd05788b548d60154f365542fd9446ac4bcfd9f,2020-07-05,3002,0.892125,232,0.068945,131,0.038930,3365
+ea4915a74bc4c03495d4910c1e32a92c790b6626,2020-07-12,3026,0.892889,232,0.068457,131,0.038654,3389
+7ffec020aec9ccbc531d24e65acd93e9f3962f9f,2020-07-19,3112,0.895282,233,0.067031,131,0.037687,3476
+ce9c5bb79c3208162bb87c1bcbc90464601d28ba,2020-07-26,3142,0.896178,233,0.066458,131,0.037365,3506
+95c9785b428bd332644de201c7f9ac7e8f4cd72f,2020-08-02,3165,0.896855,233,0.066024,131,0.037121,3529
+cb97d076491495aa956dbff93679a51cc5708010,2020-08-09,3181,0.897320,233,0.065726,131,0.036953,3545
+ee3be810d6f5721dce037c5d71c823335f9a6abb,2020-08-16,3244,0.899113,233,0.064579,131,0.036308,3608
+dc12a37a0d70bd56a5fac59af5a5196d6b525482,2020-08-23,3292,0.900191,234,0.063987,131,0.035822,3657
+73a3085e346f7e6286acdc3e7b0ea3194ff0c317,2020-08-30,3302,0.900709,234,0.063830,130,0.035461,3666
+10ba62ec63f80044c8652a9869f13585f2014ebe,2020-09-06,3320,0.900461,236,0.064009,131,0.035530,3687
+a3f6f27bbc87d3ae169323a419916e50dd379790,2020-09-13,3346,0.900673,237,0.063795,132,0.035532,3715
+4d82e8e5c5f7e43dbaf5d009697915717d15b155,2020-09-20,3361,0.900107,240,0.064274,133,0.035619,3734
+59223c5bc6816962b95d51fb2e8b7edd91c7fa95,2020-09-27,3379,0.877662,241,0.062597,230,0.059740,3850
+cdcbb42aa398f697dfe86563b98bddc3cb3d525a,2020-10-04,3382,0.899468,242,0.064362,136,0.036170,3760
+34d436a4082b5c5f23b00e13eb8e5a92d957d704,2020-10-11,3396,0.899364,244,0.064619,136,0.036017,3776
+4d405914ed02bd5672d5527cf4fa6e529e7faab6,2020-10-18,3420,0.900000,244,0.064211,136,0.035789,3800
+2e99651911e21df580ca608889f050763305159d,2020-10-25,3440,0.899817,246,0.064347,137,0.035836,3823
+f445bc65764ffad2ae9f3b382ddb8feb4eeea2fb,2020-11-01,3454,0.900182,246,0.064113,137,0.035705,3837
+d4dbcb81bc6abb27217fe5ec65a584a7a08ab196,2020-11-08,3469,0.900571,246,0.063863,137,0.035566,3852
+81643c4cf3e61f5a98b92a72a92c230f5e7ca905,2020-11-15,3491,0.901136,246,0.063500,137,0.035364,3874
+eeee65076e3199c778b177e06de3aae7696dbb9f,2020-11-22,3515,0.901976,245,0.062869,137,0.035155,3897
+60a10a11819891d3d91e371364bbdcfab2449ebe,2020-11-29,3545,0.902725,245,0.062389,137,0.034887,3927
+937bc5841429f40a64e6b25d5d4c2fe3276789f1,2020-12-06,3592,0.902513,251,0.063065,137,0.034422,3980
+1adeb744560af94687eb7c3780c7145c52674070,2020-12-13,3629,0.903411,251,0.062484,137,0.034105,4017
+f9978346e73359ac1d8b88c9ed874edc7225582b,2020-12-20,3647,0.903841,251,0.062206,137,0.033953,4035
+5aae614868b8a7e3097ae70f6024352aa5c8de21,2020-12-27,3658,0.904103,251,0.062037,137,0.033861,4046
+78a9cfa33e66c5647cea66980d83f49a43e27f60,2021-01-03,3686,0.904762,251,0.061610,137,0.033628,4074
+9f829da86fceb78cc6fedfd30ee42071d3e402c4,2021-01-10,3719,0.905527,251,0.061115,137,0.033358,4107
+23b8af7962114d80552f09ff2adc4c2f4eabf0f5,2021-01-17,3742,0.904739,257,0.062137,137,0.033124,4136
+d94f7530434fe3efd61b7d3301eff7501ae044f6,2021-01-24,3757,0.905083,257,0.061913,137,0.033004,4151
+a20b4f07bf90efa21acd035d9830bd8f4bf4240d,2021-01-31,3797,0.905989,257,0.061322,137,0.032689,4191
+bf645c7fb158913305a884128131d17bdf29774e,2021-02-07,3860,0.907168,257,0.060400,138,0.032432,4255
+6941dbf958a2294e0a058af3498df9c46a6a1e50,2021-02-15,3876,0.907728,257,0.060187,137,0.032084,4270
+c7be46b7d754cbf0d0526b5d8a9d1ecee64b6154,2021-02-21,3908,0.908204,258,0.059958,137,0.031838,4303
+20b5cf8304ef2c0fd16515f289ff0d5a21c7a96f,2021-03-01,3935,0.908776,258,0.059584,137,0.031640,4330
+6bf49dfa2606071fcd023f5487b7798fa2383a5e,2021-03-07,3966,0.909424,258,0.059161,137,0.031415,4361
+92d0949a268fe8479af5851d5bb3733e207a5c81,2021-03-14,3996,0.909836,258,0.058743,138,0.031421,4392
+ba0dc1dbc150a95746ffb89596862533e533c2c9,2021-03-21,4022,0.910367,258,0.058397,138,0.031236,4418
+ac6e19b08259f2085ae4757bf4efb095fbdd23e9,2021-03-28,4043,0.910791,258,0.058121,138,0.031088,4439
+dda88cda120d75f7d139e54367c0d76e574091dc,2021-04-04,4110,0.911308,262,0.058093,138,0.030599,4510
+280cfe63bdd6eb4dd5460385e7918e0808ffe511,2021-04-11,4125,0.910998,265,0.058525,138,0.030477,4528
+da28f04a5fa2dba2e153c3af0908ab76c98b6811,2021-04-18,4138,0.910451,269,0.059186,138,0.030363,4545
+860d28da6ef850d0c191d756d0804fef03f8e778,2021-04-25,4156,0.910605,269,0.058940,139,0.030456,4564
+1b792e8b5275dc010c53d91062082340431204f2,2021-05-02,4171,0.910898,269,0.058746,139,0.030356,4579
+cbb704b21eb319f4943f1e01f6c2785a8b7db349,2021-05-09,4211,0.909307,281,0.060678,139,0.030015,4631
+860ca285b64ea22441a72c26c4715ccfc28a5b9f,2021-05-16,4241,0.909891,281,0.060287,139,0.029822,4661
+d49402ab45486347cddfd000951a69f0c872cfda,2021-05-23,4273,0.910311,281,0.059864,140,0.029825,4694
+d7d6c9e4e697c33634c89628d10995d0f070db96,2021-05-30,4304,0.910899,281,0.059471,140,0.029630,4725
+d1e7b50dbf58c59c100f1bf5a7ea735daa3a203f,2021-06-06,4423,0.914032,281,0.058070,135,0.027898,4839
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+dcd94ee855fa03596a8e84b7cffe1344bb6206ef,2021-06-20,4527,0.916026,280,0.056657,135,0.027317,4942
+1afffdaa63d34a810943aa5a6b8cc03d42cc3bd2,2021-06-27,4563,0.916817,280,0.056259,134,0.026924,4977
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+c8bcef2598c9cee91f2f48d78259c53bdaf27a60,2021-08-01,4688,0.918495,281,0.055055,135,0.026450,5104
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+ee467c853a184a7768ac171840357afde49c10e3,2021-08-15,4732,0.919192,281,0.054584,135,0.026224,5148
+9e3b68203cba2b1bd96e524d3ae9dfc3336a72f7,2021-08-22,4756,0.919567,281,0.054331,135,0.026102,5172
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+7c3f28fdc4edc00f66801cd51a5ba08eee44f77f,2021-10-10,4867,0.921083,282,0.053369,135,0.025549,5284
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+f43a7838716b80e439d1d94c00da6880d6f2893f,2021-11-28,5041,0.906329,287,0.051600,234,0.042071,5562
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diff --git a/talks/acm-rep-2024/data/pog-types-vcs.csv 
b/talks/acm-rep-2024/data/pog-types-vcs.csv
new file mode 100644
index 00000000..6793b13f
--- /dev/null
+++ b/talks/acm-rep-2024/data/pog-types-vcs.csv
@@ -0,0 +1,244 @@
+commit,date,git,svn,other,total
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diff --git a/talks/acm-rep-2024/data/pog-types.csv 
b/talks/acm-rep-2024/data/pog-types.csv
new file mode 100644
index 00000000..52b1fffe
--- /dev/null
+++ b/talks/acm-rep-2024/data/pog-types.csv
@@ -0,0 +1,244 @@
+commit,date,git,svn,hg,bzr,cvs,tar-gz,tar-xz,tar-bz2,tar,zip,text,total
+ee3ce0d71d51d0b93d91a8ef1c82e8d233a74b33,2019-05-05,1731,201,18,0,3,4722,805,648,23,176,463,8810
+152030ffdf548527d32458c5f3fbc98700aa7e69,2019-05-12,1749,201,18,1,3,4745,806,647,23,177,462,8852
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+c447eb4d1d7c222a68b1fd2397e01ff56a473e62,2019-06-10,1789,201,19,1,3,4751,809,660,22,181,460,8916
+86c05c4465dee12f140baff107dab1816214305b,2019-06-16,1805,201,19,1,3,4759,809,661,20,181,461,8940
+a37cbc4cbda2c1850e38bc7d14d70cc3a266a8fb,2019-06-23,1830,201,19,1,3,4778,810,664,20,182,462,8990
+e79281be105b16153c375af5506db31fd1e32698,2019-07-03,1866,201,19,1,3,4793,813,665,21,182,462,9046
+079c93e1c1dd93639417095000d5e56d8db62d61,2019-07-07,1879,201,19,1,3,4798,813,665,21,182,462,9064
+041e03847beda7fd9cfb92f87db14c5b33179f29,2019-07-14,1899,201,20,1,3,4805,815,665,21,182,460,9092
+e6df9c7e85ea48765c152b27c88ba30c50c92bb2,2019-07-21,1917,201,20,1,3,4815,817,665,21,182,462,9124
+7e5eda0c08112963be08ebe0c62eed651749e0a1,2019-07-28,1922,201,20,1,3,4831,818,666,21,182,488,9173
+ac6b78488faa80a83e85ee38e4a701d9c3c90c46,2019-08-04,1940,201,20,1,3,4844,818,667,21,182,491,9208
+c91364d36cf6c8fc4c696d151eb9fca7832cf898,2019-08-11,1963,214,20,1,3,4851,820,667,21,181,504,9266
+37d40fa509cbbe48a1d7db1291338d7ccaeae830,2019-08-18,1974,214,20,1,3,4897,825,666,21,182,502,9326
+3d76112769d2149e81b7cc774d859469d1f1909e,2019-08-25,1995,214,20,1,3,4905,827,667,21,182,505,9362
+1719f4f1e3aba3af60b5f7e63b8db529ef777af5,2019-09-01,2013,215,20,1,3,4985,828,670,21,182,505,9465
+37ecf2d905e6afc555150ffe51095415a0d27b89,2019-09-08,2034,223,20,1,3,5058,827,671,21,182,504,9566
+991c44109f92aef099b3ec50501c7cd08978c793,2019-09-15,2053,223,20,1,3,5062,826,671,22,183,505,9591
+ee0a392fa001b3e3aea05150dd985b59fb7e5e3b,2019-09-22,2083,223,20,1,3,5121,828,672,20,195,504,9692
+52e62bbd76b06d754f409c0f277b80e6208fe152,2019-09-29,2111,223,22,1,3,5120,834,672,19,196,500,9723
+5a54baf67cfb91ad5062a4a061bc6d083096f9d8,2019-10-06,2122,223,22,1,3,5119,835,698,20,196,501,9762
+b51c402f23e77a17c564a035887e55b61ef7aecf,2019-10-13,2148,223,23,1,3,5120,842,697,19,196,491,9786
+7757f44044926d1aaa3a9520c5ee6f841d68f58e,2019-10-20,2173,223,23,1,3,5128,843,700,19,196,490,9822
+632c6f2e6e25da2ab335a9f3592956221bc742ed,2019-11-10,2219,223,117,1,3,4997,848,698,19,194,484,9826
+cf9dad6c87bab87bc25e80b321158b0328db0d8a,2019-11-17,2257,224,118,1,3,4989,852,698,19,196,486,9866
+68c47474bc8bc633fa3b13610d4f700891067bbc,2019-11-24,2277,224,119,1,3,5027,857,697,19,197,497,9941
+0b4ced58c04004a3751c8b84b10b8a92c5289ad9,2019-12-01,2309,224,119,1,3,5002,861,696,19,197,502,9956
+add773c37a10e2c900fcfaff745e095b7fe96fbb,2019-12-08,2325,224,119,1,3,5026,869,695,19,197,505,10006
+4fb8e2744a62a7124521f8fa7fb160fa56e5d41d,2019-12-15,2346,224,119,1,3,5132,908,694,18,197,504,10169
+630a4b77d6c6eaa32889408331c1b79b273b24b6,2019-12-22,2364,224,119,1,3,5190,910,696,18,197,504,10249
+34085eabccb8a0ca280f8d1605fdf369a94dd88a,2019-12-29,2384,225,119,1,3,5188,938,699,18,197,504,10300
+85ad4ffb25c941a2a37cb4af839de9ac141c8253,2020-01-05,2428,225,119,1,3,5564,941,698,18,198,504,10723
+8dc2af3ba541141d8320e860cec31090d5b69dc0,2020-01-12,2468,225,119,1,3,5557,946,696,18,198,503,10758
+2d4b248857f2758f545a1399969f372d1b717f55,2020-01-19,2457,225,119,1,3,5598,958,694,18,199,504,10800
+99b23feeb9d06f07b4a04af624a69ed12637b112,2020-01-26,2484,225,119,1,3,5655,957,694,18,198,504,10882
+3d0c79186c6fb5346cbe20115a4fde19bc678134,2020-02-02,2505,225,119,1,3,5661,959,695,18,198,507,10916
+5998ac14f376194d3878f918cb9e04a6ff599d77,2020-02-09,2541,225,119,1,3,5713,959,695,18,200,511,11010
+3c6aca4232d1a3638ec962bc7afe9121626c43ec,2020-02-16,2575,225,119,1,3,5773,1002,696,18,211,512,11160
+6634b29f501764f542e3a5fc91bb691ef18b5702,2020-02-23,2595,225,119,1,3,5866,1003,695,19,212,512,11275
+1d9b4664e30ce3f79606bf1167a2fca9bf4abba2,2020-03-01,2616,225,119,1,3,6033,1004,697,19,212,514,11468
+5fdc5b2d57d2e7ab04dbaf9c85e7f34eebe81495,2020-03-08,2621,225,119,1,3,6055,1009,697,19,213,515,11502
+77386648da9c6bd0601d389ddb94ddba088d8b87,2020-03-15,2640,225,119,1,3,6066,1008,698,19,215,515,11534
+405c0c947cfd59d7bfb81052545cd635970d2d0c,2020-03-22,2659,226,119,1,3,6130,1024,698,20,216,514,11635
+07ce7ae531d58a799eec3e9113c794b717deee8f,2020-03-29,2675,226,119,1,3,6161,1026,699,20,216,514,11685
+4da6de3e675bd8c79320b40c62b93eea7378d273,2020-04-05,2730,226,119,1,3,6192,1028,700,20,218,520,11782
+1518b4bceb9955ed6d94432d651b7a2a9f3052e1,2020-04-12,2745,226,119,1,3,6214,1033,700,20,218,526,11829
+fafe2343c29bcb02fcee79558fbd8ae2ba2c1214,2020-04-19,2758,226,119,1,3,6232,1034,700,20,219,527,11863
+9b7e41f2d720b2a5da0d52dea6e2017d2851a640,2020-04-26,2778,228,119,1,3,6239,1040,701,20,220,528,11901
+1463079a2dc855df2274a2429dd48adc4d31ffdb,2020-05-03,2801,229,119,1,3,6399,1045,704,20,220,528,12093
+ccc9240664b5ecded499111ba6c5d9bbd4e7241f,2020-05-10,2829,230,120,1,3,6512,1049,698,23,221,550,12259
+d308bc01e171f327084bfaa9fe79fb31fe662669,2020-05-17,2838,231,120,1,3,6518,1051,701,23,221,555,12285
+dfc426582f7e5a34a89015663cadbad3829f55e5,2020-05-24,2857,231,121,1,3,6537,1054,699,23,221,558,12328
+776ecaaa0fb7201ae34653aa4c33e240b6d7b901,2020-05-31,2880,231,121,1,3,6567,1056,697,24,221,562,12387
+ecbde6505cd12025d7fe92c2c9a56b969ff3cb8e,2020-06-07,2891,231,121,1,3,6569,1058,698,30,222,565,12413
+d291b454bd402c88eed1464a1dfa058a2f663874,2020-06-14,2918,231,126,1,3,6576,1064,697,30,222,564,12456
+f6c6970e0dbebb7cac679f46656c2655dfe532c2,2020-06-21,2935,231,126,2,3,6604,1064,698,33,226,564,12510
+ea33de6d704f30b3c827877173c513f6fce22f1e,2020-06-28,2975,231,126,2,3,6619,1073,698,33,227,585,12596
+4cd05788b548d60154f365542fd9446ac4bcfd9f,2020-07-05,3002,232,126,2,3,6645,1076,700,34,227,589,12660
+ea4915a74bc4c03495d4910c1e32a92c790b6626,2020-07-12,3026,232,126,2,3,6696,1077,700,35,227,604,12752
+7ffec020aec9ccbc531d24e65acd93e9f3962f9f,2020-07-19,3112,233,126,2,3,6733,1077,701,35,240,615,12901
+ce9c5bb79c3208162bb87c1bcbc90464601d28ba,2020-07-26,3142,233,126,2,3,6796,1079,699,35,241,604,12984
+95c9785b428bd332644de201c7f9ac7e8f4cd72f,2020-08-02,3165,233,126,2,3,6812,1074,700,36,241,604,13020
+cb97d076491495aa956dbff93679a51cc5708010,2020-08-09,3181,233,126,2,3,6837,1076,704,36,241,607,13070
+ee3be810d6f5721dce037c5d71c823335f9a6abb,2020-08-16,3244,233,126,2,3,6857,1079,705,36,242,605,13156
+dc12a37a0d70bd56a5fac59af5a5196d6b525482,2020-08-23,3292,234,126,2,3,6897,1093,708,36,243,607,13265
+73a3085e346f7e6286acdc3e7b0ea3194ff0c317,2020-08-30,3302,234,125,2,3,6922,1093,709,37,243,610,13304
+10ba62ec63f80044c8652a9869f13585f2014ebe,2020-09-06,3320,236,125,3,3,6925,1092,711,36,243,609,13327
+a3f6f27bbc87d3ae169323a419916e50dd379790,2020-09-13,3346,237,126,3,3,6973,1095,713,36,244,605,13405
+4d82e8e5c5f7e43dbaf5d009697915717d15b155,2020-09-20,3361,240,127,3,3,6985,1097,713,36,245,605,13439
+59223c5bc6816962b95d51fb2e8b7edd91c7fa95,2020-09-27,3379,241,224,3,3,6992,1100,713,37,246,605,13568
+cdcbb42aa398f697dfe86563b98bddc3cb3d525a,2020-10-04,3382,242,130,3,3,7002,1098,714,37,246,605,13487
+34d436a4082b5c5f23b00e13eb8e5a92d957d704,2020-10-11,3396,244,130,3,3,7027,1099,714,37,246,607,13531
+4d405914ed02bd5672d5527cf4fa6e529e7faab6,2020-10-18,3420,244,130,3,3,7193,1099,714,37,246,601,13715
+2e99651911e21df580ca608889f050763305159d,2020-10-25,3440,246,131,3,3,7202,1106,714,37,248,601,13756
+f445bc65764ffad2ae9f3b382ddb8feb4eeea2fb,2020-11-01,3454,246,131,3,3,7209,1107,715,37,249,600,13779
+d4dbcb81bc6abb27217fe5ec65a584a7a08ab196,2020-11-08,3469,246,131,3,3,7227,1107,718,37,249,605,13820
+81643c4cf3e61f5a98b92a72a92c230f5e7ca905,2020-11-15,3491,246,131,3,3,7227,1109,721,37,249,606,13848
+eeee65076e3199c778b177e06de3aae7696dbb9f,2020-11-22,3515,245,131,3,3,7238,1111,721,37,249,608,13886
+60a10a11819891d3d91e371364bbdcfab2449ebe,2020-11-29,3545,245,131,3,3,7292,1108,719,38,249,605,13963
+937bc5841429f40a64e6b25d5d4c2fe3276789f1,2020-12-06,3592,251,131,3,3,7363,1109,722,38,250,605,14092
+1adeb744560af94687eb7c3780c7145c52674070,2020-12-13,3629,251,131,3,3,7425,1121,722,38,250,609,14207
+f9978346e73359ac1d8b88c9ed874edc7225582b,2020-12-20,3647,251,131,3,3,7458,1125,722,39,253,612,14269
+5aae614868b8a7e3097ae70f6024352aa5c8de21,2020-12-27,3658,251,131,3,3,7460,1125,723,39,253,612,14283
+78a9cfa33e66c5647cea66980d83f49a43e27f60,2021-01-03,3686,251,131,3,3,7534,1127,723,38,253,609,14384
+9f829da86fceb78cc6fedfd30ee42071d3e402c4,2021-01-10,3719,251,131,3,3,7698,1130,723,38,253,609,14584
+23b8af7962114d80552f09ff2adc4c2f4eabf0f5,2021-01-17,3742,257,131,3,3,7702,1130,725,40,256,607,14622
+d94f7530434fe3efd61b7d3301eff7501ae044f6,2021-01-24,3757,257,131,3,3,7744,1131,725,40,256,608,14681
+a20b4f07bf90efa21acd035d9830bd8f4bf4240d,2021-01-31,3797,257,131,3,3,7761,1131,727,41,255,609,14741
+bf645c7fb158913305a884128131d17bdf29774e,2021-02-07,3860,257,132,3,3,7855,1124,727,41,257,618,14903
+6941dbf958a2294e0a058af3498df9c46a6a1e50,2021-02-15,3876,257,131,3,3,8120,1125,727,41,258,618,15185
+c7be46b7d754cbf0d0526b5d8a9d1ecee64b6154,2021-02-21,3908,258,131,3,3,8167,1126,727,42,258,623,15272
+20b5cf8304ef2c0fd16515f289ff0d5a21c7a96f,2021-03-01,3935,258,131,3,3,8174,1130,729,43,258,629,15319
+6bf49dfa2606071fcd023f5487b7798fa2383a5e,2021-03-07,3966,258,131,3,3,8188,1131,730,43,258,633,15369
+92d0949a268fe8479af5851d5bb3733e207a5c81,2021-03-14,3996,258,132,3,3,8248,1132,732,47,257,630,15464
+ba0dc1dbc150a95746ffb89596862533e533c2c9,2021-03-21,4022,258,132,3,3,8298,1133,733,47,256,630,15541
+ac6e19b08259f2085ae4757bf4efb095fbdd23e9,2021-03-28,4043,258,132,3,3,8309,1132,732,49,257,630,15574
+dda88cda120d75f7d139e54367c0d76e574091dc,2021-04-04,4110,262,132,3,3,8307,1135,737,50,256,628,15650
+280cfe63bdd6eb4dd5460385e7918e0808ffe511,2021-04-11,4125,265,132,3,3,8323,1134,737,50,255,632,15686
+da28f04a5fa2dba2e153c3af0908ab76c98b6811,2021-04-18,4138,269,132,3,3,8349,1135,737,50,255,635,15733
+860d28da6ef850d0c191d756d0804fef03f8e778,2021-04-25,4156,269,133,3,3,8354,1140,733,51,255,635,15759
+1b792e8b5275dc010c53d91062082340431204f2,2021-05-02,4171,269,133,3,3,8364,1146,736,52,255,639,15798
+cbb704b21eb319f4943f1e01f6c2785a8b7db349,2021-05-09,4211,281,133,3,3,8384,1151,737,52,257,641,15880
+860ca285b64ea22441a72c26c4715ccfc28a5b9f,2021-05-16,4241,281,133,3,3,8393,1152,738,52,258,641,15922
+d49402ab45486347cddfd000951a69f0c872cfda,2021-05-23,4273,281,134,3,3,8398,1154,737,52,259,640,15961
+d7d6c9e4e697c33634c89628d10995d0f070db96,2021-05-30,4304,281,134,3,3,8472,1155,736,51,259,638,16063
+d1e7b50dbf58c59c100f1bf5a7ea735daa3a203f,2021-06-06,4423,281,129,3,3,8504,1156,735,51,259,637,16208
+335f7668d43f4992148fe133dfa390b81056ebc6,2021-06-13,4467,280,129,3,3,8582,1156,735,51,259,636,16328
+dcd94ee855fa03596a8e84b7cffe1344bb6206ef,2021-06-20,4527,280,129,3,3,8696,1157,734,51,260,636,16503
+1afffdaa63d34a810943aa5a6b8cc03d42cc3bd2,2021-06-27,4563,280,128,3,3,8713,1157,735,51,261,635,16556
+243d74579d2afdcad1f709909a3ac149475b3e23,2021-07-04,4585,280,129,3,3,8719,1156,735,52,261,636,16585
+5c3489a3f7f33293dfdaff23374d93a01c838968,2021-07-11,4624,281,129,3,3,8758,1156,735,53,261,637,16666
+59d20bcfcc92e51fb451001ed52b21f6daf8013c,2021-07-18,4635,281,129,3,3,8795,1159,735,53,261,639,16719
+45881ea747bbff8f4819100264f70958f454090f,2021-07-25,4662,281,129,3,3,8808,1159,737,53,261,639,16761
+c8bcef2598c9cee91f2f48d78259c53bdaf27a60,2021-08-01,4688,281,129,3,3,8830,1162,736,54,261,653,16826
+aa816708b278cafd86b11c3f3ddcdf7b9930713e,2021-08-08,4713,281,129,3,3,8850,1164,736,54,262,652,16873
+ee467c853a184a7768ac171840357afde49c10e3,2021-08-15,4732,281,129,3,3,8853,1164,739,54,262,653,16899
+9e3b68203cba2b1bd96e524d3ae9dfc3336a72f7,2021-08-22,4756,281,129,3,3,8852,1164,738,54,262,652,16920
+0bc5448cf14c2f61eb591d47a5422fda638f08fc,2021-08-29,4770,281,129,3,3,8913,1164,738,54,262,653,16996
+19c3ca02073ea4d540d98a7bfafbed744f1cb637,2021-09-05,4789,282,129,3,3,8920,1166,737,54,262,653,17024
+ca23fd62f17fefcbac2aa48b4718245ab0209032,2021-09-12,4796,282,129,3,3,8992,1165,738,54,261,648,17097
+68fc1b405e6502dcd73e765d0822ad6208886310,2021-09-19,4809,282,129,3,3,9023,1168,739,55,261,648,17146
+47140fbf7217014e8811d30990b78a9fa888df45,2021-09-26,4829,282,129,3,3,9213,1169,739,55,261,646,17355
+080ba97652b471c4836dd7e37f4dc72e5e358870,2021-10-03,4854,282,129,3,3,9226,1169,738,54,261,742,17487
+7c3f28fdc4edc00f66801cd51a5ba08eee44f77f,2021-10-10,4867,282,129,3,3,9262,1170,737,55,261,773,17568
+258a27eea9aab4f8af995f95743ccd264b5efcb5,2021-10-17,4912,282,129,3,3,9275,1170,737,55,260,776,17628
+9c3b2cf0b3328a08d026dbbf4fea4c26eafc67ef,2021-10-24,4937,282,129,3,3,9292,1170,736,55,260,776,17669
+9f2c5e901e988b575d487629976d2d14be4ed61d,2021-10-31,4948,282,228,3,3,9299,1175,739,55,260,776,17794
+b11badfb4cd8124f2f467697cf2a4d15e7f20b19,2021-11-07,4956,282,228,3,3,9372,1176,737,58,260,778,17879
+7f7f739e235548ec2f9337b0ec1ef976a1437b30,2021-11-14,4970,283,228,3,3,9454,1177,737,58,261,779,17979
+348f1f7cb5e0a37f66268c4204777238f26ae947,2021-11-21,5015,287,228,3,3,9481,1177,739,58,261,782,18060
+f43a7838716b80e439d1d94c00da6880d6f2893f,2021-11-28,5041,287,228,3,3,9491,1177,739,58,261,782,18096
+030d9b261fc81cf8047cc8f4dfd1f8e59e1fd3b7,2021-12-05,5069,287,131,3,3,9509,1177,739,57,260,784,18045
+ab82bed5d14a57d95d278646efe9f930d12fc2ff,2021-12-12,5093,287,132,3,3,9557,1179,739,57,260,784,18121
+2607ff0b9c72f032da4f6bc6644c671f0553178e,2021-12-19,5135,324,132,3,3,9544,1179,735,58,260,771,18173
+fb95b755e2adfda90d4c8568e0d2c5eacea35d42,2021-12-30,5169,326,125,3,3,9655,1183,735,59,262,771,18320
+2c6dfeac6459901b500a81a1d733a48993792a11,2022-01-02,5197,326,125,3,3,9669,1183,736,59,262,771,18363
+195bb1fb9d55d8e5187d669c63a3cde747fc5f64,2022-01-09,5206,326,125,3,3,9681,1184,736,60,262,766,18383
+0891ac16d0c7eec2c5f0dfddfcc90f92927c8d96,2022-01-16,5268,326,125,3,3,9719,1186,736,61,262,765,18485
+d25a4e49d7c908ac6c2ae46b36778b5930ffbbf3,2022-01-23,5298,328,125,3,3,9917,1188,738,63,263,770,18727
+090e92581611bab97cfdc0b45cc224a3b3736beb,2022-01-30,5329,337,125,3,3,10007,1191,738,64,264,774,18866
+7c9ad54b0616112c7eea6dd02379616aef206490,2022-02-06,5348,337,125,3,3,10016,1191,736,64,264,776,18895
+9749fb2c3f2eb6e816d68bb9ed8ad29fea46ef2d,2022-02-13,5382,337,125,3,3,10027,1191,737,65,264,776,18942
+1a8b7257a6d657f145520ed67e2faa6f6174a84b,2022-02-20,5396,339,125,3,3,10054,1191,737,65,264,776,18985
+31ecd80db714abfc3ef536b458fc4c1ed778d3c6,2022-02-27,5409,339,125,3,3,10073,1190,737,65,264,776,19016
+78ff328d25eee0c75305efed58484ac2381e1766,2022-03-06,5503,339,125,3,3,10087,1192,736,65,264,776,19125
+1a36fb51a84fadf578151c614da9c9e420bbdff2,2022-03-13,5519,339,125,3,3,10095,1192,736,65,264,776,19149
+0d216771704bb93f72a0ef4d22f7af52df97b5de,2022-03-20,5531,339,125,3,3,10106,1192,735,65,265,776,19172
+2344fb10972a4cefead8e7aa3e0b807da4cf4570,2022-03-27,5536,339,125,3,3,10111,1193,737,65,265,776,19185
+7902d17bc877993936ae0c575bca3bac5d2e1f7f,2022-04-03,5542,339,125,3,3,10114,1194,738,65,265,776,19196
+2299d2c896cbd865a7f27d83f793c783e1211dfe,2022-04-10,5554,339,125,3,3,10135,1195,739,65,265,775,19230
+e5174200c4d78358e22e889da2b53dc06c202003,2022-04-17,5581,339,125,3,3,10156,1195,748,65,265,775,19287
+d13c7e905c0cd4ecc47df5b160b76d60a7639559,2022-04-24,5592,339,125,3,3,10158,1194,748,65,265,773,19298
+7b9ee58925406f5d608fca06db5479e16970dc91,2022-05-01,5602,339,125,3,3,10180,1194,748,65,265,773,19330
+fc7fc13716c9be03e2123b09d629c2e5e1328330,2022-05-08,5610,340,125,3,3,10203,1194,751,65,265,774,19366
+de68877a517ba058f67086d444d7265c9c803679,2022-05-15,5651,354,126,3,3,10244,1195,751,65,278,788,19491
+ad07af353877f8f438d92b04eeb4955f077ca499,2022-05-22,5687,354,126,3,3,10263,1194,751,65,281,788,19548
+926fcb488b756fb5d6c4c129c4348650919e5835,2022-05-29,5697,354,126,3,3,10276,1198,750,66,282,784,19572
+62da327848311a75723f16642c20d2925919237e,2022-06-05,5695,354,126,5,2,10198,1191,740,67,261,784,19456
+75eae3fd78abe3037b0e831958cfa667cc87f0b8,2022-06-12,5713,354,126,5,2,10200,1198,735,68,262,784,19481
+77db24ff5ba50c1169642a849211d558668487aa,2022-06-19,5732,355,126,5,2,10214,1202,733,87,263,783,19536
+08a2a72a124f21fffaee45d0c71aa34cf49b8d70,2022-06-26,5753,356,126,5,2,10219,1202,732,87,263,783,19562
+c145e51844bf52eb77cdc969a0fe30a48755b29e,2022-07-03,5799,362,126,5,2,10233,1203,732,87,263,792,19638
+13c73ccd902c55ef859cf2b8a5f96d93007892d8,2022-07-10,5818,363,126,5,2,10262,1206,733,87,264,791,19691
+8d7fdbe261e32a63df8c47f06b1a43095b6084c7,2022-07-17,5825,364,126,5,2,10262,1217,725,90,264,790,19704
+c5a80784e2a08f676e2f49cbdab1f81db8d7dbb6,2022-07-24,5845,366,126,5,2,10267,1217,724,90,264,790,19730
+0565cde6892c4fcc503a86227e366d3500040076,2022-07-31,5849,366,126,5,2,10310,1217,724,90,264,790,19777
+bb5afc5b9ebcea94bc083f14fbc83cab9f86adfe,2022-08-07,5887,384,126,5,2,10324,1238,726,92,264,797,19879
+ca8c7a36dfbefd66841a2a6df4c9e44ba525c3e0,2022-08-14,5914,385,126,5,2,10357,1237,722,92,264,798,19936
+b8f2eb286ec52c97048e23d326d94ae5772797e8,2022-08-21,5927,385,126,5,2,10362,1239,722,92,264,798,19956
+8df29c26ba184874561c67e48f69fd3526156516,2022-08-28,5952,385,126,5,2,10381,1239,722,95,263,798,20002
+13cc34188ab4bde31f8c74d25d40d9adffbaa582,2022-09-04,5975,387,126,5,2,10395,1242,720,95,263,801,20046
+072cc8d1415a2abf66b36249c61658a828dead88,2022-09-11,6020,397,127,5,2,10436,1243,720,96,264,799,20144
+373731737fbe082e5e684eae78629df16e3fd61b,2022-09-18,6042,397,127,5,2,10457,1260,718,97,264,800,20204
+2e0fa826c9a7bbb159fb4fae38a7de10fe66d8bc,2022-09-25,6073,399,225,5,2,10497,1263,719,98,263,801,20380
+ae221813745783ef1b7eee47561a2208cd5ad512,2022-10-02,6095,401,127,5,2,10520,1265,718,98,263,804,20333
+79358a99cd46a27fdc716309ccee2596483ab9af,2022-10-09,6116,403,127,5,2,10531,1268,719,98,265,804,20373
+270eb27b20b4d1e024553a017f479556ee0b8ded,2022-10-16,6146,406,127,5,2,10545,1267,717,98,264,803,20415
+dbc9a9a81b3e2c55cf16d8d7f59fab88163cdb8b,2022-10-23,6165,406,126,5,2,10559,1276,711,98,264,803,20451
+63bf06013820aa26aca7dc8f18cb79403b94e9a5,2022-10-30,6180,406,126,5,2,10259,1276,713,99,264,802,20168
+a6c90c293d5b0c77d3e1e967546fe0aadc53a102,2022-11-06,6211,406,126,5,2,10282,1279,715,99,265,804,20230
+c4025af8c11c3e9ea0c2747b6c475c916fb61d80,2022-11-13,6224,406,126,5,2,10292,1280,715,100,265,802,20253
+ac09fcb955e9358c330d728693759ca1a2e20542,2022-11-20,6267,406,125,5,2,10284,1282,716,100,265,802,20290
+c4618ca13f1cefeb1dbfe619ca09f32925b84732,2022-11-27,6351,407,125,5,2,10315,1352,718,100,265,802,20478
+a4d52f07d7fd0e4d9997b3021192685d4a3b0b71,2022-12-04,6390,407,125,5,2,10370,1354,719,100,265,839,20612
+0ce1f82e5aaac951b21d579eb46bf75cfe6713c0,2022-12-11,6411,407,125,5,2,10366,1355,719,100,265,808,20599
+2472015c36f333657c5a223150e3e809f01ad1af,2022-12-18,6436,407,125,5,2,10397,1355,720,101,265,810,20659
+860e949896b1a9ae5427f4cf9fa690fdcaae48a0,2022-12-25,6471,407,125,5,2,10399,1355,724,103,266,810,20703
+87cc524f52b65f7f12c9b87d25b467772e357cab,2023-01-01,6486,407,125,5,2,10408,1360,724,103,265,810,20731
+db3fdbbdfee9d412053cc9538ad76abee7c2cb89,2023-01-08,6502,407,125,5,2,10417,1362,726,104,265,813,20763
+a98145ec04d5c3f8f2ef430555cde5eccfbd3875,2023-01-15,6527,407,125,5,2,10423,1361,724,106,264,811,20790
+bbc8f4c29ed9efc1240c3d153fb234d7a79930fd,2023-01-22,6544,407,125,5,2,10431,1361,724,106,264,811,20815
+bea22409682f6d1947de7d92f264aad822c2e68c,2023-01-29,6560,407,125,5,2,10446,1363,728,106,264,811,20852
+139c9a53cb19a97947aa6998eae953a4f32d3c3e,2023-02-05,6583,407,125,5,2,10451,1394,696,107,264,810,20879
+4a6f64ab2afff761eb233e7ca6110d9e8acf8f32,2023-02-12,6613,407,125,5,2,10476,1394,695,107,264,810,20934
+877df1765ad8440c81293f4943d1f4f44485ba0f,2023-02-19,6696,407,126,5,2,10490,1392,700,108,263,810,21034
+a7c7363a825e176ae25f5f69cacfff0880b23e80,2023-02-26,6713,411,127,5,2,10493,1393,699,108,263,810,21059
+d92ec2f2812c76b23aab778e26708cf353542ae9,2023-03-05,6760,411,127,5,1,10563,1391,695,108,264,867,21227
+7001cc68b6d5785a8dd6aa202d4acbb2ea9364e5,2023-03-12,6781,411,127,5,1,10566,1393,695,108,264,869,21255
+d7b4ecdb4c1a845690d943f8b8d883e065081eb9,2023-03-19,6805,412,129,5,1,10569,1393,694,108,266,874,21292
+9b58148641262b014356353ebe418c68011be029,2023-03-26,6840,413,129,5,1,10593,1393,695,109,266,874,21354
+f0c8cb44a4d912263025616bc921c011fcb1f0b4,2023-04-02,6952,420,129,5,1,10621,1394,695,109,269,889,21520
+c0a19ef082327cb63b8afbadea784dcbb4f6bf5d,2023-04-09,6970,421,129,5,1,10626,1393,696,110,269,889,21545
+2d25ea429c359d14955ee44baeeb5778cc56cc7d,2023-04-16,6991,421,129,5,1,10667,1393,696,110,268,889,21606
+4502de61f24a5d50a2eb8fdd073162fb939b1e2e,2023-04-23,7005,424,129,5,1,10672,1393,696,110,268,889,21628
+3b3c7ef1f74d15471da482ca9b3720020c9f85f1,2023-04-30,7047,422,129,5,1,10652,1380,684,110,267,903,21637
+ed0f0204b2c901be006a8441ea4d392a89aba77e,2023-05-07,7059,423,129,5,1,10672,1379,684,110,266,900,21665
+5585fbbfd06b4be6d6286d89c705ede1dec090d5,2023-05-14,7079,423,129,5,1,10871,1379,685,110,267,900,21886
+7b3f571fc8e3fbb3fefc30ebe53ad074c30653a8,2023-05-21,7087,423,129,5,1,10875,1383,682,111,268,902,21903
+5c959d0fa745618ebee337ac2a21d22a6ec3a6a8,2023-05-28,7094,423,129,5,1,10878,1384,681,112,268,902,21914
+65bce4d9f9302bc798717d73548bbe5ceb802151,2023-06-04,7108,423,129,5,1,10885,1383,682,112,268,900,21933
+e8c207589d431c00b5f1a8175f391020323a3d27,2023-06-11,7127,423,129,5,1,10901,1383,682,112,268,902,21970
+0d165fba93f69b3d3f53478d0f0c6c7a58778e7e,2023-06-18,7138,423,129,5,1,10924,1383,682,112,268,902,22004
+01d5d6807f1026bf2fea1846a156e3e09f84c098,2023-06-25,7152,423,129,5,1,10925,1401,664,112,268,901,22018
+a919a16898e7219fdd26bdfe33a9959e7156d59d,2023-07-02,7188,423,129,5,1,10935,1402,664,112,270,902,22067
+2986ba899f5ee374008c501e26fb653147ed7891,2023-07-09,7205,423,129,5,1,10961,1400,664,112,270,907,22113
+093e9204183790558921c968034c547b41ebef3a,2023-07-16,7243,423,129,5,1,10970,1403,664,112,270,903,22159
+fdfea4c4ed0d31494fcb3633c26290f4eba9d2af,2023-07-23,7251,1138,129,5,1,10999,1403,664,112,270,900,22908
+6b903e210462f7c1e428e0ded7e690d315e1f7a1,2023-07-30,7266,1138,129,5,1,11007,1403,665,113,257,900,22920
+a21eb92b855f91e12d3161dc8fc5c8a4e17ee951,2023-08-06,7280,1383,129,5,1,11019,1404,664,113,258,904,23196
+19c042ddf80533ba7a615b424dedf9647ca65b0f,2023-08-13,7292,1619,129,5,1,11024,1403,664,113,258,902,23446
+95a1a819dffa833bdd7a47f272da7ee4ff3260c8,2023-08-20,7300,2295,129,5,1,11265,1419,664,113,259,901,24388
+28fdf6cc16aee56fdc17a31701b90ace6e512481,2023-08-27,7308,2895,129,5,1,11264,1421,664,113,259,901,24997
+9d2e6323775371ab0ccaec0fc1df3b50335c41ea,2023-09-03,7332,4179,129,6,1,11297,1422,664,113,258,901,26340
+2eb6df537c36da8bf8e81ff698421f6fb1bfd1ab,2023-09-10,7359,4179,129,6,1,11300,1422,663,113,259,901,26370
+9b78699744b0c4c8af28820cc4f0d59b9d317ead,2023-09-17,7366,4179,129,6,1,11308,1422,663,114,259,904,26389
+35fd25af9bbcce84908101a9f487ba106a8d6df7,2023-09-24,7376,4179,129,6,1,11322,1423,664,114,259,904,26415
+337dbf6867597b6e3b72b0bdb2152a42a9f41dbc,2023-10-01,7400,4179,230,6,1,11332,1426,665,114,259,904,26554
+f4e8baf3806e79d7111d2943859865ae4ee0b59d,2023-10-10,7424,4179,230,6,1,11357,1430,665,114,259,908,26612
+d2923babf3ac44cb6faa88317f77c98f3016820d,2023-10-15,7435,4179,230,6,1,11360,1431,664,114,260,908,26627
+8ca7ccbf0dad63d75637ffdc6a5105eb9a4a4673,2023-10-22,7450,4179,228,6,1,11493,1433,663,115,260,906,26773
+c03a44f7555768fcb8614883eb06b11b759ba1ca,2023-10-29,7465,4179,228,6,1,11598,1433,663,115,260,906,26893
+482685697719386ca3505e8beca2398f93aff08f,2023-11-05,7472,4179,228,6,1,11635,1434,663,115,260,907,26942
+09b19cf8dabdcfeb7a79b0d69c46febf68a53639,2023-11-12,7479,4179,228,6,1,11640,1433,663,117,259,905,26952
+b7abea0fd6a146563830db1dc4ddd0cceb6fcf1c,2023-11-19,7482,4179,228,6,1,11655,1435,664,117,259,907,26975
+513bf164592e2b44e3e556cc5099a19bd6977790,2023-11-26,7513,4179,228,6,1,11655,1435,664,117,259,907,27006
+2c9ac9ab20c76abe570ff83f8746fa089fea3047,2023-12-03,7520,4179,228,6,1,11656,1433,663,117,259,906,27010
+2e11caff39d502775d7c652972a441f5da3d9eec,2023-12-10,7532,4179,228,6,1,11659,1434,662,117,260,906,27027
+6ab242609daec00e8bd54f7bff54557c92695724,2023-12-17,7553,4179,228,6,1,11882,1434,662,117,261,788,27154
+0d13d095420861022e68e87ceebd5e037e12a8b3,2023-12-24,7560,4179,228,6,1,11887,1434,662,129,261,788,27178
+9d148d08be9d77781e8103915b1f498b03fd3dd2,2023-12-31,7531,4179,228,6,1,11866,1436,659,129,261,788,27128
+25bcf4eda05b501758b11a53823867dc500ac7d1,2024-01-07,7552,4179,228,6,1,11876,1434,659,130,261,787,27157
diff --git a/talks/acm-rep-2024/lstlang0.sty b/talks/acm-rep-2024/lstlang0.sty
new file mode 100644
index 00000000..618fd489
--- /dev/null
+++ b/talks/acm-rep-2024/lstlang0.sty
@@ -0,0 +1,33 @@
+% original version from: https://github.com/stuhlmueller/scheme-listings
+% adapted to be similar to Guix syntax highlight from:
+%   https://guix.gnu.org/en/manual/en/html_node/Defining-Packages.html
+\lst@definelanguage{Scheme}{
+  morekeywords=[1]{define, define-syntax, define-macro, define-public, lambda,
+    define-stream, stream-lambda},
+  morekeywords=[2]{begin, call-with-current-continuation, call/cc,
+    call-with-input-file, call-with-output-file, case, cond,
+    do, else, for-each, if,
+    let*, let, let-syntax, letrec, letrec-syntax,
+    let-values, let*-values,
+    and, or, not, delay, force,
+    quasiquote, quote, unquote, unquote-splicing,
+    map, fold, syntax, syntax-rules, eval, environment, query },
+  morekeywords=[3]{import, export},
+  morekeywords=[4]{package, origin, git-reference, list,
+    disarchive, gzip-member, tarball, directory-ref},
+  alsodigit=!\$\%&*+-./:<=>?@^_~,
+  sensitive=true,
+  morecomment=[l]{;},
+  morecomment=[s]{\#|}{|\#},
+  morestring=[b]",
+  basicstyle=\scriptsize\ttfamily,
+  keywordstyle=\bf\ttfamily\color[rgb]{0,.3,.7},
+  keywordstyle=[4]\ttfamily\bf,
+  commentstyle=\color[rgb]{0.133,0.545,0.133},
+  stringstyle={\color[rgb]{0.75,0.49,0.07}},
+  upquote=true,
+  breaklines=true,
+  breakatwhitespace=true,
+  literate=*{`}{{`}}{1},
+  showstringspaces=false
+}
diff --git a/talks/acm-rep-2024/manifest.scm b/talks/acm-rep-2024/manifest.scm
new file mode 100644
index 00000000..f7185c31
--- /dev/null
+++ b/talks/acm-rep-2024/manifest.scm
@@ -0,0 +1,30 @@
+(specifications->manifest
+ (list
+  "rubber"
+
+  "texlive-scheme-basic"
+  "texlive-ec"
+  "texlive-kpfonts"
+  "texlive-cm-super"
+  "texlive-amsfonts"
+
+  "texlive-beamer"
+  "texlive-translator"
+  "texlive-ulem"
+  "texlive-capt-of"
+  "texlive-hyperref"
+  "texlive-carlisle"
+
+  "texlive-wrapfig"
+  "texlive-amsmath"
+  "texlive-listings"
+  "texlive-pgf"
+  "texlive-pgfplots"
+  "texlive-booktabs"
+
+  "texlive-geometry"
+  "texlive-textpos"
+  "texlive-babel-french"
+  "texlive-fancyvrb"
+  "texlive-fancyhdr"
+  ))
diff --git a/talks/acm-rep-2024/slides.tex b/talks/acm-rep-2024/slides.tex
new file mode 100644
index 00000000..fbc9f2c2
--- /dev/null
+++ b/talks/acm-rep-2024/slides.tex
@@ -0,0 +1,1684 @@
+\documentclass[aspectratio=169,ignorenonframetext,presentation]{beamer}
+
+
+\usepackage[utf8]{inputenc}
+\usepackage[T1]{fontenc}
+\usepackage{graphicx}
+\usepackage{longtable}
+\usepackage{wrapfig}
+\usepackage{rotating}
+\usepackage[normalem]{ulem}
+\usepackage{amsmath}
+\usepackage{amssymb}
+\usepackage{capt-of}
+\usepackage{hyperref}
+\usepackage[english]{babel}
+\usepackage{fancyvrb}
+
+\usepackage{color}
+\usepackage{tikz}
+\usepackage{pgfplots}
+\usepackage{booktabs}
+
+\usepackage{listings}
+
+\usetikzlibrary{decorations.pathreplacing, positioning, arrows.meta}
+\usetikzlibrary{pgfplots.dateplot}
+
+\newcommand{\tikzmark}[2]{%
+  \tikz[remember picture,baseline=(#1.base)]%
+  {\node[inner sep=0pt] (#1) {#2 \quad};}}
+
+\newcommand{\tikzbrace}[3]{%
+  \begin{tikzpicture}[remember picture,overlay]
+    \draw[decorate,decoration={brace}] (#1.north east) -- node[right]
+    { % XXXX: hfill
+      #3}
+    (#1.north east |- #2.south east);
+  \end{tikzpicture}}
+
+\definecolor{color-cb1}{HTML}{8dd3c7}
+\definecolor{color-cb2}{HTML}{ffffb3}
+\definecolor{color-cb3}{HTML}{bebada}
+\definecolor{color-cb4}{HTML}{fb8072}
+\definecolor{color-cb5}{HTML}{80b1d3}
+\definecolor{color-cb6}{HTML}{fdb462}
+\definecolor{color-cb7}{HTML}{b3de69}
+
+\pgfplotscreateplotcyclelist{cb colors}{
+  color-cb1!35!black,fill=color-cb1\\
+  color-cb2!35!black,fill=color-cb2\\
+  color-cb3!35!black,fill=color-cb3\\
+  color-cb4!35!black,fill=color-cb4\\
+  color-cb5!35!black,fill=color-cb5\\
+  color-cb6!35!black,fill=color-cb6\\
+  color-cb7!35!black,fill=color-cb7\\
+}
+
+% Colors
+\newcommand{\violet}{\textcolor{violet}}
+\newcommand{\blue}{\textcolor{blue}}
+\newcommand{\red}{\textcolor{red}}
+\newcommand{\magenta}{\textcolor{magenta}}
+\newcommand{\cyan}{\textcolor{cyan}}
+\newcommand{\green}{\textcolor{green}}
+\definecolor{mauve}{rgb}{0.58,0,0.82}
+\newcommand{\mauve}{\textcolor{mauve}}
+
+% More Colors.
+\definecolor{guixred1}{RGB}{226,0,38}  % red P
+\definecolor{guixorange1}{RGB}{243,154,38}  % guixorange P
+\definecolor{guixyellow}{RGB}{254,205,27}  % guixyellow P
+\definecolor{guixred2}{RGB}{230,68,57}  % red S
+\definecolor{guixred3}{RGB}{115,34,27}  % dark red
+\definecolor{guixorange2}{RGB}{236,117,40}  % guixorange S
+\definecolor{guixtaupe}{RGB}{134,113,127} % guixtaupe S
+\definecolor{guixgrey}{RGB}{91,94,111} % guixgrey S
+\definecolor{guixdarkgrey}{RGB}{46,47,55} % guixdarkgrey S
+\definecolor{guixblue1}{RGB}{38,109,131} % guixblue S
+\definecolor{guixblue2}{RGB}{10,50,80} % guixblue S
+\definecolor{guixgreen1}{RGB}{133,146,66} % guixgreen S
+%\definecolor{guixgreen2}{RGB}{157,193,7} % guixgreen S
+\definecolor{guixgreen2}{RGB}{85,107,47}
+
+
+\usetheme{Madrid}
+%\useoutertheme[subsection=true]{smoothbars}
+\makeatletter
+\usecolortheme{whale}
+\usecolortheme{orchid}
+
+\setbeamerfont{block title}{size={}}
+\setbeamertemplate{navigation symbols}{}
+\setbeamertemplate{itemize items}[triangle]
+\makeatletter
+\setbeamertemplate{footline}
+{
+  \leavevmode%
+  \hbox{%
+    \begin{beamercolorbox}[wd=.15\paperwidth,ht=2.25ex,dp=1ex,left]{author in 
head/foot}%
+      \usebeamerfont{author in head/foot}\quad Guix + SWH
+    \end{beamercolorbox}%
+    \begin{beamercolorbox}[wd=.7\paperwidth,ht=2.25ex,dp=1ex,center]{title in 
head/foot}%
+      \usebeamerfont{title in head/foot}\insertshorttitle
+    \end{beamercolorbox}%
+    \begin{beamercolorbox}[wd=.15\paperwidth,ht=2.25ex,dp=1ex,right]{date in 
head/foot}%
+      \insertframenumber{} / \inserttotalframenumber\hspace*{2ex}
+    \end{beamercolorbox}}%
+  \vskip0pt%
+}
+\makeatother
+
+\title[Source Code Archiving to the Rescue of Reproducible Deployment]%
+{Source Code Archiving
+  to~the~Rescue~of~Reproducible~Deployment}
+\author[Short Author]{
+  \texorpdfstring{%
+    \footnotesize
+    \begin{tabular}[t]{cc}
+      \begin{minipage}{.33\textwidth}
+        \centering
+        Ludovic Courtès\\
+        Inria\\
+        \texttt{ludovic.courtes@inria.fr}
+      \end{minipage}%
+      &
+        \begin{minipage}{.33\textwidth}
+          \centering
+          Timothy Sample\\
+          \texttt{samplet@ngyro.com}
+        \end{minipage}
+      \\ \quad \\
+      %\fbox{%
+      \begin{minipage}{.33\textwidth}
+        \centering
+        \textbf{%
+          Simon Tournier
+        }
+        \\
+        Univ. Paris Cité\\
+        \texttt{simon.tournier@inserm.fr}
+      \end{minipage}
+      %}
+      &
+        \begin{minipage}{.33\textwidth}
+          \centering
+          Stefano Zacchiroli\\
+          {LTCI, Télécom Paris\\ Institut Polytechnique de Paris}\\
+          \texttt{stefano.zacchiroli@telecom-paris.fr}
+        \end{minipage}
+    \end{tabular}}%
+  {Ludovic Courtès,
+    Timothy Sample,
+    Simon Tournier,
+    Stefano Zacchiroli}}
+\date{\footnotesize June 19th, 2024 \\ \normalsize ACM REP'}
+
+\hypersetup{
+  pdfauthor={Ludovic Courtès,
+    Timothy Sample,
+    Simon Tournier,
+    Stefano Zacchiroli},
+  pdftitle={Source Code Archiving to the Rescue of Reproducible Deployment},
+  pdfkeywords= {reproducible research, replicability, digital preservation,
+    functional package management, Guix, Software Heritage}
+  pdfcreator={with love},
+  pdflang={English}}
+
+
+\newcommand{\highlight}[1]{\alert{\textbf{#1}}}
+\newcommand{\guixgreen}[1]{\textcolor{guixgreen2}{\textbf{#1}}}
+\newcommand{\comment}[1]{\textbf{\textcolor{guixorange1}{#1}}}
+% \newcommand{\red}[1]{\textcolor{guixred2}{#1}}
+
+
+\newcommand{\thisslide}[1]{%
+  \begin{figure}[!htb]
+    \begin{center}
+      \includeslide[width=\textwidth]{#1}
+    \end{center}
+  \end{figure}
+}
+
+\newcommand{\smiley}[1]{${\textsf{#1~}}^{\textrm{:-)}}$}
+\newcommand{\hrefsf}[2]{\href{#1}{\textsf{#2}}}
+
+\newcommand{\reuline}[1]{\uline{#1}}
+
+%\input{listings-scheme}
+
+\newcommand{\someguile}{\textcolor{someguile}}
+\newcommand{\somestring}{\textcolor{somestring}}
+\newcommand{\somevariable}{\textcolor{somevariable}}
+
+
+%
+% Document
+%
+\begin{document}
+
+
+\begin{frame}[plain, fragile, noframenumbering]{}
+  \vspace{5mm}
+  \titlepage
+\end{frame}
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+
+\begin{frame}[fragile]{}
+  \begin{alertblock}{}
+    \begin{center}
+      \textbf{Reproducible Research}
+    \end{center}
+  \end{alertblock}
+
+  \begin{exampleblock}{}
+    \begin{center}
+      \begin{tabular}{rcl}
+        \textcolor{guixblue2}{Science} & \textcolor{guixblue2}{=} &
+                                                                    
\textcolor{guixblue2}{Transparent and Verifiable}
+        \\
+        \textcolor{guixblue1}{Scientific result} & \textcolor{guixblue1}{=} &
+                                                                              
\textcolor{guixblue1}{Experiment
+                                                                              +
+                                                                              
\only<1>{{Numerical processing}}
+                                                                              
\only<2->{\fbox{\emph{Numerical processing}}}}
+      \end{tabular}
+    \end{center}
+  \end{exampleblock}
+
+%  \vfill{}
+
+  \begin{center}
+    \highlight{Science in the digital age:}
+  \end{center}
+
+  \begin{tabular}{cll}
+    \guixgreen{1.} & Open Article & HAL, BioArxiv
+    \\
+    \guixgreen{2.} & Open Data & Data Repositories, Zenodo
+    \\
+    \guixgreen{3.} & Open Source & Forges, GitLab
+    \\
+    \uncover<2->{\guixgreen{4.}} & \uncover<2->{\fbox{\blue{Computational 
env.}}} &  \uncover<2->{\alert{?}}
+  \end{tabular}
+
+  \uncover<2->{
+  \begin{center}
+    {How to \only<2->{\reuline{\textbf{\emph{glue}}}} it all?}
+  \end{center}
+  }
+  \uncover<2->{
+    \begin{block}{}
+    \begin{center}
+      today's topic
+    \end{center}
+    \end{block}
+  }
+
+  %\footnotesize{\emph{``Open science'', a tautology?}}
+\end{frame}
+
+% 
+% \begin{frame}[fragile]{}
+%   \begin{alertblock}{}
+%     \begin{center}
+%       Challenges about reproducible research in science
+%     \end{center}
+%   \end{alertblock}
+
+%   \begin{exampleblock}{From the ``scientific method'' viewpoint:}
+%     \begin{center}
+%       \reuline{\textbf{controlling the source of variations}}
+
+%       $\Rightarrow$ transparent
+%       \hfill \small{as with instrument $\approx$ computer }
+%     \end{center}
+%   \end{exampleblock}
+
+%   \vfill
+
+%   \begin{exampleblock}{From the ``scientific knowledge'' viewpoint:}
+%     \begin{itemize}
+%     \item Independent observer must be able to observe the same result.%
+%       \hfill (to some extent)
+%     \item The observation must be sustainable.%
+%       \hfill (to some extent)
+%     \end{itemize}
+%     $\Rightarrow$ verifiable
+%   \end{exampleblock}
+
+%   \uncover<2->{
+%   \vfill
+
+%   \begin{alertblock}{}
+%     In a world where (almost) all is \emph{data}
+%     \begin{center}
+%       \textbf{how to redo later and elsewhere what has been done here and 
today?}
+%     \end{center}
+%     \begin{flushright}
+%       (implicitly using a ``computer'')
+%     \end{flushright}
+%   \end{alertblock}
+%   }
+% \end{frame}
+
+
+\begin{frame}[fragile]{Questions about a computational environment%
+    \hfill\small (deployment)}
+
+  \begin{itemize}
+  \item What is source code?
+  \item What are the tools required for building?
+  \item What are the tools required for running?
+  \item And recursively for each tool\dots
+  \end{itemize}
+
+  \uncover<2->{
+    \begin{exampleblock}{}
+      \begin{center}
+        Answering these questions enables \textbf{control over sources of
+          variations}.
+
+        \emph{(transparent and verifiable)}
+      \end{center}
+    \end{exampleblock}
+  }
+
+  \vfill
+
+  \uncover<3->{
+  \begin{alertblock}{}
+    \begin{center}
+      How to capture the answer to these questions?
+    \end{center}
+  \end{alertblock}
+
+  \vfill
+  \small{
+    \emph{Usually: package manager (Conda, APT, Brew, \dots);
+    \emph{Modulefiles}; container; etc.}
+  }}
+\end{frame}
+
+
+
+\begin{frame}[fragile]{Typical scenario%
+    %\hfill\tiny{(a concrete example)}
+  }
+  % 
\href{https://bmcbioinformatics.biomedcentral.com/articles/10.1186/s12859-024-05706-9}%
+  % {Integration of scRNA-seq data by disentangled representation learning 
with condition domain adaptation},
+  % BMC Bioinformatics vol. 25, num. 116 (2024)
+
+  % \href{https://www.nature.com/articles/s41592-019-0619-0}%
+  % {Fast, sensitive and accurate integration of single-cell data with 
Harmony},
+  % Nature Methods vol.16, pp. 1289–1296 (2019)
+
+  \begin{exampleblock}{Alice publishes a result in 2022}
+    \begin{itemize}
+    \item The source code is publicly available.
+    \item It is identified as \texttt{v0.9}.
+    \end{itemize}
+  \end{exampleblock}
+
+  \vfill
+
+  \uncover<2->{
+  \begin{block}{Now (2024), Blake needs to scrutinize}
+    \begin{itemize}
+    \item Blake is able to easily install \texttt{v1.2}~\dots
+    \item \dots~But not \texttt{v0.9}.
+    \item Using \texttt{v1.2}, the results are different.
+    \item After \emph{sweating} to have \texttt{v0.9} installed, the results 
are different too.
+    \end{itemize}
+  \end{block}
+}
+
+  \vfill
+
+  \uncover<3->{
+  \begin{alertblock}{}
+    \begin{center}
+      Why?
+    \end{center}
+  \end{alertblock}
+
+  \begin{center}
+    Does Blake fully \textbf{control over the sources of variations}?
+  \end{center}
+  }
+\end{frame}
+
+
+\begin{frame}[fragile]{When saying package \texttt{r-harmony} ``at version 
1.2.0''}
+  \vspace{-0.1cm}
+  \includegraphics[width=\textwidth]{static/r-harmony.png}
+  \vfill{}
+  \begin{alertblock}{}
+    \begin{center}
+      Is it the same ``version'' of \texttt{r-harmony} if \texttt{r-rcpp} is 
replaced by version 1.0.4?
+    \end{center}
+  \end{alertblock}
+  \vfill
+  \begin{flushright}
+    complete graph: 477 or 762 or 838 or 1653 nodes
+
+    \small
+    (depending what we consider as \emph{binary seed} for \emph{bootstrapping})
+  \end{flushright}
+\end{frame}
+
+
+\begin{frame}[fragile]{Deployment = Directed Acyclic Graph \hfill \small 
(\emph{DAG})}
+
+  \includegraphics[width=0.9\textwidth]{static/r-harmony.png}
+
+  \begin{alertblock}{}
+    \begin{center}
+      \textbf{Each node specifies a recipe defining:}
+    \end{center}
+    \begin{itemize}
+    \item \blue{code source} \hfill and potentially some \emph{ad-hoc} 
modifications (\texttt{patch})
+    \item \magenta{build-time tools} \hfill  compilers, build automation, 
configuration
+      flags etc.
+    \item \violet{dependencies} \hfill  other packages 
\small{($\rightarrow$recursive
+        $\leadsto$ graph)}
+    \end{itemize}
+
+  \end{alertblock}
+
+  \vfill{}
+  \footnotesize{
+    complete graph: more than 477 nodes
+    }
+\end{frame}
+
+
+\begin{frame}[fragile]{Guix comes in!}
+
+  \vspace{-0.5cm}
+  \begin{center}
+    \includegraphics[width=0.1\paperwidth]{static/Guix-white}
+  \end{center}
+  \vspace{-0.5cm}
+
+  \begin{itemize}
+  \item Software deployment tool developed since 2012 by a large community.
+  \item Package manager or as a complete standalone system.
+  \item Functional software deployment model.
+    \hfill (pioneered by Nix)
+
+    \bigskip
+    \begin{block}{}
+      \begin{center}
+        \textbf{transparent and verifiable}
+      \end{center}
+    \end{block}
+  \end{itemize}
+
+  \bigskip
+  \vfill
+
+  \begin{alertblock}{}
+    \begin{center}
+      tool of choice when deploying software for reproducible research 
workflows
+    \end{center}
+  \end{alertblock}
+
+  \begin{center}
+    
\includegraphics[width=0.25\paperwidth]{static/guixhpc-logo-transparent-white}
+  \end{center}
+\end{frame}
+
+
+\begin{frame}[fragile]{Example of node description}
+  \begin{figure}
+    \begin{lstlisting}[language=Scheme]
+(define-public r-harmony
+  (package
+    (name "r-harmony")
+    (version "1.2.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+              "http://cran.r-project.org/src/contrib/harmony_"; version 
".tar.gz"))
+       (sha256
+        (base32
+         "1df7bb9ba3m0c44fhmh8cs4hlkh4fffjwm8rz7l87lf5pdy7sg56"))))
+    (build-system r-build-system)
+    (inputs (list r-cowplot
+                  r-dplyr r-ggplot2
+                  r-matrix
+                  r-rcpp r-rcpparmadillo
+                  r-rcppprogress
+                  r-rhpcblasctl
+                  r-rlang r-tibble))
+    ;; various other fields omitted
+  \end{lstlisting}
+\end{figure}
+\end{frame}
+
+
+\begin{frame}[fragile]{Revision = one specific graph}
+  \begin{alertblock}{}
+    \begin{center}
+      this tool ``at version 0.9'' = one unambiguous graph
+    \end{center}
+  \end{alertblock}
+
+\begin{verbatim}
+$ guix describe
+Generation 76  Apr 25 2022 12:44:37    (current)
+  guix eb34ff1
+    repository URL: https://git.savannah.gnu.org/git/guix.git
+    branch: master
+    commit: eb34ff16cc9038880e87e1a58a93331fca37ad92
+\end{verbatim}
+
+  \begin{alertblock}{}
+    \begin{center}
+      one revision \reuline{\textbf{pins}} the complete collection of packages 
and Guix itself
+    \end{center}
+  \end{alertblock}
+
+  \begin{exampleblock}{}
+        \begin{center}
+      this revision \texttt{eb34ff1} captures the \textbf{complete} graph
+    \end{center}
+
+    \begin{itemize}
+    \item Alice says ``I used Guix at revision \texttt{eb34ff1}''
+    \item Blake knows all for deploying the exact same environment
+    \end{itemize}
+  \end{exampleblock}
+\end{frame}
+
+
+
+\begin{frame}<presentation>[label=time-machine, fragile]{Reproducible = jump
+    to different revision\hfill\small{\texttt{guix time-machine}}}
+
+  \vspace{-1cm}
+  \begin{center}
+    \begin{tikzpicture}
+      % draw horizontal line
+      \draw[thick, -Triangle] (0,0) -- (12,0) node[font=\scriptsize,below 
left=3pt and -8pt]{time};
+
+      \node[font=\scriptsize, text height=1.75ex, text depth=.5ex] at (0,-.3) 
{2018};
+
+      % draw vertical lines
+      \foreach \x in {1,...,11}
+      \draw (\x cm,3pt) -- (\x cm,-3pt);
+
+      \foreach \x/\descr in {3/Carole,6/Alice,8/Blake}
+      \node[font=\scriptsize, text height=1.75ex, text depth=.5ex] at (\x,-.3) 
{$\descr$};
+
+      \node[font=\scriptsize, text height=1.75ex, text depth=.5ex] (Carole) at 
(3,+.3)  {d7e57e};
+      \node[font=\scriptsize, text height=1.75ex, text depth=.5ex] (Alice) at 
(6,+.3)  {eb34ff1};
+      \node[font=\scriptsize, text height=1.75ex, text depth=.5ex] (Dan) at 
(8,+.3)  {3682bd};
+
+      \draw[->] (Carole.north) to [out=50,in=150] (Alice.west);
+      \draw[->] (Dan.north) to [out=100,in=50] (Alice.east);
+
+      \draw[lightgray!0!red, line width=4pt] (2,-.6) -- +(8,0);
+      \foreach \x/\percol in {1/75,9/75}
+      \draw[lightgray!\percol!red, line width=4pt] (\x,-.6) -- +(1,0);
+
+      \node[font=\scriptsize, text height=1.75ex, text depth=.5ex] at (11,-.3) 
 {$Dan$};
+      \node[font=\scriptsize, text height=1.75ex, text depth=.5ex] (Dan) at 
(11,+.3)  {c99c3d};
+      \draw[dashed,->] (Dan.north) to [out=40,in=90] (Alice.north);
+
+    \end{tikzpicture}
+  \end{center}
+
+  \begin{exampleblock}{}
+    Requirements for being \reuline{reproducible with the passing of time}
+    using Guix:
+    \begin{itemize}
+    \item Availability of the \textbf{all} source code
+    \item \emph{Backward} compatibility of the Linux kernel
+    \item Compatibility of \emph{hardware} \hfill\small{(to some 
extent)}\normalsize
+    \end{itemize}
+  \end{exampleblock}
+
+  \begin{alertblock}{}
+    \begin{center}
+      What is the size of this temporal window where these 3 conditions are 
satisfied?
+    \end{center}
+  \end{alertblock}
+    \small{
+      \emph{To my knowledge, the Guix project is quasi-unique by experimenting 
since
+      v1.0 in 2019.}}
+\end{frame}
+
+
+\begin{frame}[fragile]{Reproducible deployment%
+  \hfill\small (ideally)}
+
+  \begin{itemize}
+  \item Alice says the tool \texttt{r-harmony} from Guix revision 
\texttt{eb34ff1}.
+
+    \medskip
+
+  \item Blake runs on a different machine or at a different point in time:
+
+    \begin{alertblock}{}
+      \begin{center}
+        \texttt{guix time-machine -{}-commit=eb34ff1 -{}- install r-harmony}
+      \end{center}
+    \end{alertblock}
+
+    and Blake deploys the \emph{exact same software environment}, bit-for-bit.
+  \end{itemize}
+
+  \vfill
+
+  \begin{exampleblock}{Under the assumptions}
+    \begin{itemize}
+    \item All the source code is still publicly available.%
+      \hfill (e.g., more than 477)
+    \item All the intermediary builds are deterministic.
+    \end{itemize}
+  \end{exampleblock}
+\end{frame}
+
+
+\begin{frame}[fragile]{``Link rot'' empirical evaluation = the problem}
+  \begin{table}
+  %\footnotesize
+  \label{tab:link-rot}
+  \begin{tabular}{@{}lrrrrr@{}}
+    \toprule
+    &\scriptsize{May 2019}&\scriptsize{Apr. 2020}&\scriptsize{Nov. 
2020}&\scriptsize{May 2021}&\scriptsize{Dec. 2022}
+    \\
+    &v1.0.0&v1.1.0&v1.2.0&v1.3.0&v1.4.0
+    \\ \midrule
+    \#sources&8 794&11 659&13 609&15 520&20 184
+    \\ \midrule
+    avail.&91.5\%&92.4\%&95.0\%&95.7\%&96.4\%
+    \\
+    missing&8.5\%&7.6\%&5.0\%&4.3\%&3.6\%
+    \\
+    hash mis.&87&63&69&66&52 \\
+    \bottomrule
+  \end{tabular}
+\end{table}
+
+\vfill
+
+\uncover<2->{
+\begin{exampleblock}{}
+  \begin{itemize}
+  \item<2-> \texttt{openjdk-9.181.tar.bz2} is unavailable
+
+    \hfill from its original upstream URL as it appears in Guix v1.4.0.
+  \item<3-> \texttt{openjdk@9.181} had 184 dependents
+
+    \begin{center}
+      loosing it $\Longrightarrow$ loosing 185 packages, not one.
+    \end{center}
+  \end{itemize}
+\end{exampleblock}
+}
+\end{frame}
+
+
+
+\begin{frame}[fragile]{Software Heritage comes in!}
+
+  \begin{block}{Like all digital information, source code is fragile}
+    \begin{description}
+    \item[link rot:] projects are created, moved around, removed
+    \item[``too big to fail'':] e.g., Gitorious, Google Code, Bitbucket
+    \end{description}
+  \end{block}
+
+  \uncover<4->{
+    \begin{center}
+      \includegraphics[width=0.25\paperwidth]{static/swh-logo}
+    \end{center}
+
+    \begin{alertblock}{}
+      \begin{center}
+        \textbf{collect, preserve and share source code}
+      \end{center}
+    \end{alertblock}
+  }
+
+  \uncover<2->{
+    \begin{exampleblock}{}
+      If a website disappears, you go to the Internet Archive\dots\\
+      \hfill Where do you do if (a repository on) GitHub or GitLab goes away?
+
+      \uncover<3->{
+        \begin{center}
+          Answer: \textbf{Software Heritage}
+        \end{center}
+      }
+    \end{exampleblock}
+  }
+
+  \uncover<4->{
+    \begin{alertblock}{}
+      \begin{center}
+        The SWH archive is the largest publicly available archive of software
+        source code.
+      \end{center}
+    \end{alertblock}
+  }
+\end{frame}
+
+% 
+% \begin{frame}[fragile]{Software Heritage Identifiers (SWHID)}
+%   deduplicated Merkel graph
+
+%   TODO
+% \end{frame}
+
+
+\begin{frame}[fragile]{}
+  \begin{figure}
+    \begin{lstlisting}[language=Scheme]
+(define-public r-harmony
+  (package
+    (name "r-harmony")
+    (version "1.2.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+              "http://cran.r-project.org/src/contrib/harmony_"; version 
".tar.gz"))
+       (sha256
+        (base32 "1df7bb9ba3m0c44fhmh8cs4hlkh4fffjwm8rz7l87lf5pdy7sg56"))))
+    ;; various fields omitted
+
+(define-public python-scikit-learn
+  (package
+    (name "python-scikit-learn")
+    (version "1.4.2")
+    (source
+     (origin (method git-fetch)
+             (uri (git-reference
+                   (url "https://github.com/scikit-learn/scikit-learn";)
+                   (commit version)))
+             (sha256
+              (base32 
"0pdd508c9540x9qimq83b8kspb6mb98w7w7i7lnb1jqj7rijal6f"))))
+    ;; various fields omitted
+    \end{lstlisting}
+  \end{figure}
+\end{frame}
+
+
+\begin{frame}[fragile]{Source code identification}
+  \texttt{origin} specifies:
+  \begin{description}
+  \item[\texttt{method}:] \emph{tarball}, VCS as Git, Mercurial, Subversion,
+    etc.
+  \item[\texttt{uri}:] upstream location (URL)
+  \item[\texttt{sha256}:] cryptographic hash
+
+    \uncover<2->{
+    \begin{alertblock}{}
+      \centering
+      source code is \emph{essentially} \textbf{content-addressed}
+    \end{alertblock}
+    }
+  \end{description}
+
+  \uncover<3->{
+  \begin{exampleblock}{}
+    \uncover<3->{
+    If \texttt{uri} becomes stale,
+    \hfill e.g., URL no longer available or tempered (hash mismatch)
+  }
+
+  \uncover<4->{
+    Then Blake can work around.
+    \hfill (if a copy is available elsewhere)
+    }
+  \end{exampleblock}
+  }
+
+  \uncover<5->{
+  \begin{block}{}
+    Elsewhere might be
+    \begin{itemize}
+    \item<5-> a new URL\\
+      \hfill \texttt{guix download} finds the source with the expected hash
+      and proceeds.
+    \item<6-> a \textbf{content-addressed server}\\
+      \hfill as served by the Guix project or the Nix project, or the Software
+      Heritage initiative.
+    \end{itemize}
+  \end{block}
+  }
+\end{frame}
+
+
+\begin{frame}[fragile]{Source type by sampled Guix revision}
+  \begin{figure}
+  \begin{tikzpicture}
+    \begin{axis}[
+        width=0.75\columnwidth,  %1
+        height=0.45\columnwidth, %0.67
+        table/col sep=comma,
+        date coordinates in=x,
+        stack plots=y,
+        area style,
+        cycle list name=cb colors,
+        xticklabel style={
+          rotate=-67.5,
+          anchor=west,
+        },
+        xtick={
+          2019-05-05,
+          2019-08-25,
+          2019-12-29,
+          2020-04-19,
+          2020-08-09,
+          2020-11-29,
+          2021-03-21,
+          2021-07-11,
+          2021-11-07,
+          2022-02-27,
+          2022-06-19,
+          2022-10-09,
+          2023-01-29,
+          2023-05-21,
+          2023-09-10,
+          2024-01-07
+        },
+        xticklabels={
+          {May  5, 2019},
+          {Aug. 25, 2019},
+          {Dec. 29, 2019},
+          {Apr. 19, 2020},
+          {Aug.  9, 2020},
+          {Nov. 29, 2020},
+          {Mar. 21, 2021},
+          {Jul. 11, 2021},
+          {Nov.  7, 2021},
+          {Feb. 27, 2022},
+          {Jun. 19, 2022},
+          {Oct.  9, 2022},
+          {Jan. 29, 2023},
+          {May 21, 2023},
+          {Sep. 10, 2023},
+          {Jan.  7, 2024},
+        },
+        xticklabel style={font=\footnotesize},
+        ymin=0,
+        ymax=1,
+        xmin=2019-05-05,
+        xmax=2024-01-07,
+        legend pos=north west,
+        legend style={
+          cells={anchor=west},
+        },
+      ]
+      \addlegendentry {VCS checkout}
+      \addplot table[x=date,y=vcs-rel] {data/pog-types-high-rel.csv}
+               \closedcycle;
+      \addlegendentry {File download}
+      \addplot table[x=date,y=download-rel] {data/pog-types-high-rel.csv}
+               \closedcycle;
+  \end{axis}
+  \end{tikzpicture}
+  \label{fig:pog-types-origin}
+\end{figure}
+\end{frame}
+
+
+\begin{frame}[fragile]{VCS source types by sampled Guix revision}
+  \begin{figure}
+  \begin{tikzpicture}
+    \begin{axis}[
+        width=0.75\columnwidth,  %1
+        height=0.45\columnwidth, %0.75
+        table/col sep=comma,
+        date coordinates in=x,
+        stack plots=y,
+        area style,
+        cycle list name=cb colors,
+        xticklabel style={
+          rotate=-67.5,
+          anchor=west,
+        },
+        xtick={
+          2019-05-05,
+          2019-08-25,
+          2019-12-29,
+          2020-04-19,
+          2020-08-09,
+          2020-11-29,
+          2021-03-21,
+          2021-07-11,
+          2021-11-07,
+          2022-02-27,
+          2022-06-19,
+          2022-10-09,
+          2023-01-29,
+          2023-05-21,
+          2023-09-10,
+          2024-01-07
+        },
+        xticklabels={
+          {May  5, 2019},
+          {Aug. 25, 2019},
+          {Dec. 29, 2019},
+          {Apr. 19, 2020},
+          {Aug.  9, 2020},
+          {Nov. 29, 2020},
+          {Mar. 21, 2021},
+          {Jul. 11, 2021},
+          {Nov.  7, 2021},
+          {Feb. 27, 2022},
+          {Jun. 19, 2022},
+          {Oct.  9, 2022},
+          {Jan. 29, 2023},
+          {May 21, 2023},
+          {Sep. 10, 2023},
+          {Jan.  7, 2024},
+        },
+        xticklabel style={font=\footnotesize},
+        ymin=0,
+        ymax=1,
+        xmin=2019-05-05,
+        xmax=2024-01-07,
+        legend pos=south west,
+        legend style={
+          cells={anchor=west},
+        },
+      ]
+      \addlegendentry {Git}
+      \addplot table[x=date,y=git-rel] {data/pog-types-vcs-rel.csv}
+               \closedcycle;
+      \addlegendentry {Subversion}
+      \addplot table[x=date,y=svn-rel] {data/pog-types-vcs-rel.csv}
+               \closedcycle;
+      \addlegendentry {Mercurial + Bazaar + CVS}
+      \addplot table[x=date,y=other-rel] {data/pog-types-vcs-rel.csv}
+               \closedcycle;
+    \end{axis}
+  \end{tikzpicture}
+  \label{fig:pog-types-vcs}
+\end{figure}
+\end{frame}
+
+
+\begin{frame}[fragile]{File download types by sampled Guix revision
+  \hfill\small (truncated at 50\%)}
+  \begin{figure}
+  \begin{tikzpicture}
+    \begin{axis}[
+        width=0.75\columnwidth,
+        height=0.45\columnwidth,
+        table/col sep=comma,
+        date coordinates in=x,
+        stack plots=y,
+        area style,
+        cycle list name=cb colors,
+        xticklabel style={
+          rotate=-67.5,
+          anchor=west,
+        },
+        xtick={
+          2019-05-05,
+          2019-08-25,
+          2019-12-29,
+          2020-04-19,
+          2020-08-09,
+          2020-11-29,
+          2021-03-21,
+          2021-07-11,
+          2021-11-07,
+          2022-02-27,
+          2022-06-19,
+          2022-10-09,
+          2023-01-29,
+          2023-05-21,
+          2023-09-10,
+          2024-01-07
+        },
+        xticklabels={
+          {May  5, 2019},
+          {Aug. 25, 2019},
+          {Dec. 29, 2019},
+          {Apr. 19, 2020},
+          {Aug.  9, 2020},
+          {Nov. 29, 2020},
+          {Mar. 21, 2021},
+          {Jul. 11, 2021},
+          {Nov.  7, 2021},
+          {Feb. 27, 2022},
+          {Jun. 19, 2022},
+          {Oct.  9, 2022},
+          {Jan. 29, 2023},
+          {May 21, 2023},
+          {Sep. 10, 2023},
+          {Jan.  7, 2024},
+        },
+        xticklabel style={font=\footnotesize},
+        ymin=0.5,
+        ymax=1,
+        axis y discontinuity=crunch,
+        ytick={0.6,0.7,0.8,0.9,1},
+        xmin=2019-05-05,
+        xmax=2024-01-07,
+        legend pos=south west,
+        legend columns=3,
+        legend style={
+          cells={anchor=west},
+        },
+      ]
+      \addlegendentry {.tar.gz}
+      \addplot table[x=date,y=tar-gz-rel] {data/pog-types-dl-rel.csv}
+               \closedcycle;
+      \addlegendentry {.tar.xz}
+      \addplot table[x=date,y=tar-xz-rel] {data/pog-types-dl-rel.csv}
+               \closedcycle;
+      \addlegendentry {.tar.bz2}
+      \addplot table[x=date,y=tar-bz2-rel] {data/pog-types-dl-rel.csv}
+               \closedcycle;
+      \addlegendentry {.tar}
+      \addplot table[x=date,y=tar-rel] {data/pog-types-dl-rel.csv}
+               \closedcycle;
+      \addlegendentry {.zip}
+      \addplot table[x=date,y=zip-rel] {data/pog-types-dl-rel.csv}
+               \closedcycle;
+      \addlegendentry {Text}
+      \addplot table[x=date,y=text-rel] {data/pog-types-dl-rel.csv}
+               \closedcycle;
+      \addlegendentry {Other}
+      \addplot table[x=date,y=other-rel] {data/pog-types-dl-rel.csv}
+               \closedcycle;
+    \end{axis}
+  \end{tikzpicture}
+  \label{fig:pog-types-download}
+\end{figure}
+\end{frame}
+
+
+
+\begin{frame}[fragile]{Architecture = connecting Guix and Software Heritage}
+  \begin{figure}
+  \includegraphics[width=0.8\linewidth]{static/architecture-flow}
+  \label{fig:flow}
+\end{figure}
+\end{frame}
+
+
+\begin{frame}[fragile]{Why Disarchive? = issue with compressed
+    \emph{tarballs}}
+
+  \vspace{-0.35cm}
+\noindent\begin{minipage}{0.515\linewidth}
+      \begin{lstlisting}[language=Scheme]
+(sha256
+   (base32 "1df7b..."))
+ \end{lstlisting}
+% \end{minipage}
+% \vspace{-0.25cm}
+% \noindent\begin{minipage}{0.515\linewidth}
+ \begin{footnotesize}
+   \begin{exampleblock}{}
+     \vspace{-0.25cm}
+     \begin{lstlisting}[language=bash,basicstyle=\footnotesize\ttfamily]
+$ guix hash harmony_1.2.0.tar.gz
+1df7b...
+\end{lstlisting}
+
+\begin{lstlisting}[language=bash,basicstyle=\footnotesize\ttfamily,columns=flexible]
+$ guix hash \                 # Fast compression
+   <(gzip -dc harmony_1.2.0.tar.gz | gzip -1 -c)
+03v29...
+\end{lstlisting}
+
+\begin{lstlisting}[language=bash,basicstyle=\footnotesize\ttfamily,columns=flexible]
+$ guix hash \                 # Best compression
+   <(gzip -dc harmony_1.2.0.tar.gz | gzip -9 -c)
+10j87...
+\end{lstlisting}
+
+\end{exampleblock}
+
+\uncover<2->{
+  \vspace{-0.2cm}
+  \begin{alertblock}{}
+    \begin{center}
+      Process of creating compressed tarballs might vary.
+
+      \scriptsize{%
+        \emph{(compression, timestamps, file properties, etc.)}
+        }
+    \end{center}
+  \end{alertblock}
+  }
+  \end{footnotesize}
+\end{minipage}
+\hfill
+\begin{minipage}{0.45\linewidth}
+  \begin{footnotesize}
+    \begin{block}{}
+      \vspace{-0.3cm}
+\begin{lstlisting}[language=bash,basicstyle=\footnotesize\ttfamily,columns=flexible]
+# Extract the compressed tarball
+$ guix hash  harmony-1.2.0 \
+    --serializer=nar
+b7900...
+\end{lstlisting}
+
+\begin{lstlisting}[language=bash,basicstyle=\footnotesize\ttfamily,columns=flexible]
+$ guix hash  harmony-1.2.0 \
+    --serializer=git
+3a46b...
+\end{lstlisting}
+
+\begin{lstlisting}[language=bash,basicstyle=\footnotesize\ttfamily,columns=flexible]
+$ guix hash  harmony-1.2.0 \
+    --serializer=git --hash=sha1
+75b43...
+\end{lstlisting}
+    \end{block}
+
+    \uncover<3->{
+      %\vspace{-0.3cm}
+    \begin{alertblock}{}
+      %Conversion between format is direct.
+      Cryptographic hash algorithm
+      and data serializer\\
+      \centering are important for retrieving.
+    \end{alertblock}
+    }
+  \end{footnotesize}
+\end{minipage}
+\end{frame}
+
+
+
+\begin{frame}[fragile]{Disarchive disassemble output = description of metadata}
+  \noindent\begin{minipage}{0.45\textwidth}
+    \begin{small}
+      \begin{lstlisting}[language=Scheme, escapeinside={||}]
+(disarchive
+  (version 0)
+  (gzip-member
+    (name "harmony_1.2.0.tar.gz")
+    (digest (sha256 "a63c7d7..."))
+    (header (mtime 1701246604) (extra-flags 0) (os 3))
+    (footer (crc 2567676087)
+            (isize 6225920))
+    (compressor gnu)
+    (input
+     (tarball
+       (name "harmony_1.2.0.tar")
+       (digest (sha256 "6c50a34..."))
+       (default-header
+         (uid 1010)
+         (gid 100)
+         (chksum (trailer " "))
+         (magic "ustar ")
+         ;; more omitted
+        \end{lstlisting}
+      \end{small}
+         % (version " \x00")
+         % (uname "ligges")
+         % (gname "users")
+         % (devmajor 0 (source "" (trailer "")))
+         % (devminor 0 (source "" (trailer "")))
+         % (data-padding ""))
+\end{minipage}
+\hfill
+\begin{minipage}{0.5\textwidth}
+  \begin{lstlisting}[language=Scheme, escapeinside={||}]
+       (headers
+         ("harmony/"
+          (mode 493)
+          (mtime 1701246604)
+          (chksum 5084)
+          (typeflag 53))
+          ;; many headers omitted
+          ("harmony/inst/doc/Seurat.R"
+           (size 4130)
+           (mtime 1701214143)
+           (chksum 6701)))
+       (padding 0)
+       (input
+         (directory-ref
+           (version 0)
+           (name "harmony_1.2.0")
+           (addresses
+             (swhid "swh:1:dir:75b4350a..."))
+           (digest (sha256 "3a46bbf..."))))))))
+\end{lstlisting}
+\end{minipage}
+\end{frame}
+
+
+\begin{frame}[fragile]{Separate storage}
+  \begin{figure}
+  \begin{tikzpicture}[
+        crucial/.style = {
+          text width=17mm, minimum height=15mm,
+          text centered, rounded corners,
+          fill=white, text=black,
+          draw=guixorange1, line width=1mm
+        },
+        input/.style = {
+          shape=circle, text centered, text width=12mm,
+          fill=white, text=black,
+          draw=black, very thick
+        },
+        important/.style = {
+          minimum height=12mm, text width=35mm,
+          text centered, rounded corners,
+          fill=white, text=black
+        }]
+    \matrix[row sep=3mm, column sep=3mm] {
+      & \node(swh) [important] {file content at SWH 
\texttt{swh:1:dir:75b4350a}\ldots}; &
+      \\
+      \node(disarchiveout) [crucial, draw=guixblue1] {Disarchive \\[1mm] 
assemble};
+      & \node(tarball) [input] {tarball \texttt{tar.gz}};
+      & \node(disarchivein) [crucial] {Disarchive \\[1mm] disassemble};
+      \\
+      & \node(database) [important] {tarball metadata 
\texttt{disarchive.guix.gnu.org}};
+      &
+      \\
+    };
+
+    \path[very thick, draw=guixorange1] (tarball) edge [->] (disarchivein);
+    \path[very thick, draw=guixorange1] (disarchivein) edge [->, out=90, in=0] 
(swh);
+    \path[very thick, draw=guixorange1] (disarchivein) edge [->, out=-90, 
in=0] (database);
+
+    \path[very thick, draw=guixblue1] (swh) edge [->, in=90, out=180] 
(disarchiveout);
+    \path[very thick, draw=guixblue1] (database) edge [->, out=180, in=-90] 
(disarchiveout);
+    \path[very thick, draw=guixblue1] (disarchiveout) edge [->] (tarball);
+  \end{tikzpicture}
+  \label{fig:disarchive}
+\end{figure}
+\end{frame}
+
+
+\begin{frame}[fragile]{Retrieving source code = SWH Vault + Disarchive}
+  \begin{tabular}{cc}
+    \begin{minipage}{0.3\linewidth}
+      \begin{figure}
+        \includegraphics[width=0.7\linewidth]{static/architecture-flow}
+      \end{figure}
+    \end{minipage}
+    &
+      \begin{minipage}{0.7\linewidth}
+        \begin{center}
+          \textbf{content-address}
+        \end{center}
+        \vspace{-0.25cm}
+        \begin{description}
+        \item[Guix:] ``\emph{normalized archived}'' (\texttt{nar}) + 
\texttt{sha256}
+        \item[SWH:] SWHID = Git compatible \texttt{sha1}
+        \end{description}
+      \end{minipage}
+  \end{tabular}
+
+  \uncover<2->{
+    \begin{block}{Case: VCS checkouts}
+      \begin{itemize}
+      \item SWH addresses content as SWHID
+        and associates the \texttt{nar-sha256} as \emph{external identifier}.
+      \item Guix queries using \texttt{nar-sha256} and gets back SWHID.
+      \item Guix asks SWH Vault to ``cook'' the files and fetch them.
+      \end{itemize}
+    \end{block}
+  }
+  \uncover<3->{
+    \begin{exampleblock}{Case: \emph{tarballs}}
+      \begin{itemize}
+      \item Using Disarchive disassemble output, from \texttt{nar-sha256}, 
Guix gets SWHID.
+      \item Guix asks SWH Vault to ``cook'' the files and fetch them.
+      \item Using Disarchive disassemble output, Guix assembles bit-identical
+        \emph{compressed tarball}.
+      \end{itemize}
+    \end{exampleblock}
+  }
+\end{frame}
+
+
+\begin{frame}[fragile]{Coverage by sampled Guix revision}
+  \begin{figure}
+  \begin{tikzpicture}
+    \begin{axis}[
+        width=0.75\columnwidth,    %1
+        height=0.45\columnwidth, %0.75
+        table/col sep=comma,
+        date coordinates in=x,
+        stack plots=y,
+        area style,
+        cycle list name=cb colors,
+        xticklabel style={
+          rotate=-67.5,
+          anchor=west,
+        },
+        xtick={
+          2019-05-05,
+          2019-08-25,
+          2019-12-29,
+          2020-04-19,
+          2020-08-09,
+          2020-11-29,
+          2021-03-21,
+          2021-07-11,
+          2021-11-07,
+          2022-02-27,
+          2022-06-19,
+          2022-10-09,
+          2023-01-29,
+          2023-05-21,
+          2023-09-10,
+          2024-01-07
+        },
+        xticklabels={
+          {May  5, 2019},
+          {Aug. 25, 2019},
+          {Dec. 29, 2019},
+          {Apr. 19, 2020},
+          {Aug.  9, 2020},
+          {Nov. 29, 2020},
+          {Mar. 21, 2021},
+          {Jul. 11, 2021},
+          {Nov.  7, 2021},
+          {Feb. 27, 2022},
+          {Jun. 19, 2022},
+          {Oct.  9, 2022},
+          {Jan. 29, 2023},
+          {May 21, 2023},
+          {Sep. 10, 2023},
+          {Jan.  7, 2024},
+        },
+        xticklabel style={font=\footnotesize},
+        ymin=0.5,
+        ymax=1,
+        axis y discontinuity=crunch,
+        ytick={0.6,0.7,0.8,0.9,1},
+        xmin=2019-05-05,
+        xmax=2024-01-07,
+        legend pos=south west,
+        legend style={
+          cells={anchor=west},
+        },
+      ]
+      \addlegendentry {Stored}
+      \addplot table[x=date,y=stored-rel] {data/pog-status-rel.csv}
+               \closedcycle;
+      \addlegendentry {Missing}
+      \addplot table[x=date,y=missing-rel] {data/pog-status-rel.csv}
+               \closedcycle;
+      \addlegendentry {Undetermined}
+      \addplot table[x=date,y=unknown-rel] {data/pog-status-rel.csv}
+               \closedcycle;
+    \end{axis}
+  \end{tikzpicture}
+  \label{fig:pog}
+\end{figure}
+\end{frame}
+
+
+
+\begin{frame}[fragile]{Work in progress}
+  \begin{exampleblock}{}
+    \centering
+    \texttt{guix time-machine -{}-commit=v1.0.0 -{}- install r-harmony}
+
+    \bigskip
+
+    Installs (and potentially rebuilds) Harmony defined in Guix 1.0.0 from 
2019.
+  \end{exampleblock}
+
+  \begin{block}{}
+    \begin{itemize}
+    \item This command exploits SWH support as it was in 2019: in its infancy.
+    \item Recovery mechanism is itself improving over time.
+    \item Mitigations:
+      \begin{itemize}
+      \item Delegate downloading to the Guix build daemon.
+        \begin{center}
+          (special and dedicated ``builders'' as \texttt{builtin:download} or 
\texttt{builtin:git-download})
+        \end{center}
+      \item Recover source code referenced by past revisions using present-day 
techniques.
+      \end{itemize}
+    \end{itemize}
+  \end{block}
+
+
+  \begin{alertblock}{}
+    \begin{itemize}
+    \item Support more archive formats including lzip, Zip, unusual gzip
+      compression.
+    \item Deal with (long) \emph{cooking} time by SWH Vault,\\
+      \hfill from minutes to days depending on artifact size and service load.
+    \end{itemize}
+
+  \end{alertblock}
+
+\end{frame}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+
+\begin{frame}[plain,noframenumbering]{}
+  \begin{center}
+    \textbf{Conclusion}
+  \end{center}
+\end{frame}
+
+
+\begin{frame}[fragile]{Connecting source code archiving and deployment}
+  \begin{block}{}
+    \begin{center}
+      Reproducible Research
+
+      \emph{better science}
+    \end{center}
+  \end{block}
+  \begin{alertblock}{}
+    \begin{center}
+      \textbf{Transparent and Verifiable and Sustainable}
+    \end{center}
+  \end{alertblock}
+  \begin{center}
+    \emph{being able, collectively, to study bug-to-bug}
+  \end{center}
+
+  \begin{exampleblock}{}
+    \begin{center}
+      Reproducible Deployment
+    \end{center}
+    \begin{itemize}
+    \item Unambiguous specification of \emph{what to build}
+    \item Auditable description of \emph{how to build}
+    \end{itemize}
+    \begin{center}
+      in the long-term
+    \end{center}
+  \end{exampleblock}
+\end{frame}
+
+
+\begin{frame}[fragile]{Toward better science}
+  \vspace{-0.9cm}
+  \includegraphics[width=\textwidth]{static/big-picture-3}
+\end{frame}
+
+
+% 
+% \begin{frame}[plain, noframenumbering]{}
+%   \begin{center}
+%     Opiniated conclusion
+%   \end{center}
+
+%   \begin{exampleblock}{}
+%     \begin{center}
+%       Solution of Reproducibility and Replicability challenges
+%       \begin{enumerate}
+%       \item It depends on our collective practices.%
+%         \hfill (social)
+%       \item It requires to connect well-known technologies.%
+%         \hfill (engineering)
+%       \end{enumerate}
+%     \end{center}
+%   \end{exampleblock}
+% \end{frame}
+
+
+\begin{frame}[fragile,plain,noframenumbering]{}
+
+  \begin{block}{}
+    \begin{center}
+    \textbf{Advertising}
+  \end{center}
+  \end{block}
+
+  \vfill
+
+  \begin{center}
+    \includegraphics[width=0.15\textwidth]{static/FRRN_logo_small.png}
+
+    \href{https://www.recherche-reproductible.fr/}%
+    {https://www.recherche-reproductible.fr}
+  \end{center}
+
+  \begin{alertblock}{}
+    \centering
+    \textbf{multidisciplinary}
+
+    \bigskip
+
+    Answers to reproducible and replicability challenges depend on our
+    \underline{\emph{collective} practises}.
+
+    \bigskip
+
+    \textbf{We need to cross-pollinate.}
+
+    \bigskip
+
+    Join us and/or spread the word
+  \end{alertblock}
+
+  \vfill
+
+  \begin{itemize}
+  \item UK Reproducible Rechearch Network
+  \item German Reproducible Rechearch Network
+  \item etc.
+  \end{itemize}
+
+\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+
+\begin{frame}[plain, noframenumbering]{}
+  \vfill{}
+  Thanks:
+  \begin{itemize}
+  \item Guix community
+  \item Antoine Lambert
+  \item Antoine R. Dumont
+  \end{itemize}
+
+  \begin{center}
+    \vfill{}
+    \Large{%
+      \textbf{%
+        Questions?%
+      }}\normalsize
+
+    \vfill{}
+    \bigskip
+
+    \begin{tabular}{cc}
+      \texttt{guix-science@gnu.org}
+      &
+        \texttt{swh-devel@inria.fr}
+      \\
+      \begin{minipage}{0.33\paperwidth}
+        \centering
+        
\includegraphics[width=0.25\paperwidth]{static/guixhpc-logo-transparent-white}
+      \end{minipage}
+      &
+        \begin{minipage}{0.33\paperwidth}
+          \centering
+          \includegraphics[width=0.25\paperwidth]{static/swh-logo}
+        \end{minipage}
+      \\
+      \href{https://hpc.guix.info/}{\texttt{https://hpc.guix.info}}
+      &
+        
\href{https://www.softwareheritage.org/}{\texttt{https://www.softwareheritage.org}}
+    \end{tabular}
+
+    \vfill{}
+    \vspace{1.25cm}
+    These slides are archived.\\
+    \href{%
+      
https://archive.softwareheritage.org/swh:1:dir:d89ecb3ee10d6b39acfb6a57f9276e22fa65995f;origin=https://gitlab.com/zimoun/acm2024-swh-guix;visit=swh:1:snp:e5cf27f9d802d91148f56ef749cb03eea994b3a3;anchor=swh:1:rev:5e8385f21954bdd36fcbd90624c2ca5d28a5dac6
+    }%
+    {(Software Heritage id swh:1:dir:d89ecb3ee10d6b39acfb6a57f9276e22fa65995f)}
+  \end{center}
+\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\appendix
+
+
+\begin{frame}[plain,noframenumbering]{}
+  \begin{center}
+    \textbf{Appendix}
+  \end{center}
+\end{frame}
+
+\begin{frame}[fragile,noframenumbering]{Example of VCS retrieval}
+  \begin{scriptsize}
+    \begin{verbatim}
+building 
/gnu/store/agsi5ynwvmyfscc2avxkf7i3089m1p0i-scons-3.0.4-checkout.drv...
+Initialized empty Git repository in 
/gnu/store/2p3cb96q8zk2pnarcnkwaifqw3l8gc70-scons-3.0.4-checkout/.git/
+fatal: unable to access 'https://github.com/SCons/scons.git/': Could not 
resolve host: github.com
+Failed to do a shallow fetch; retrying a full fetch...
+fatal: unable to access 'https://github.com/SCons/scons.git/': Could not 
resolve host: github.com
+git-fetch: 
'/gnu/store/lcygm0p2d59acvwi12lwldg5c0d4czpr-git-minimal-2.41.0/bin/git fetch 
origin'
+failed with exit code 128
+Trying content-addressed mirror at bordeaux.guix.gnu.org...
+Unable to fetch from bordeaux.guix.gnu.org, getaddrinfo-error: (-2)
+Trying content-addressed mirror at ci.guix.gnu.org...
+Unable to fetch from ci.guix.gnu.org, getaddrinfo-error: (-2)
+Trying content-addressed mirror at bordeaux.guix.gnu.org...
+Unable to fetch from bordeaux.guix.gnu.org, getaddrinfo-error: (-2)
+Trying to download from Software Heritage...
+SWH: found directory
+with nar-sha256 hash 
16a209173f87735020b29d84f497d44204cbcf86a451066342c51ff47996c8f7
+at 'swh:1:dir:d3d1330dfc409be4624a01d384868fea0427c4c3'
+swh:1:dir:d3d1330dfc409be4624a01d384868fea0427c4c3/
+swh:1:dir:d3d1330dfc409be4624a01d384868fea0427c4c3/.appveyor.yml
+...
+successfully built 
/gnu/store/agsi5ynwvmyfscc2avxkf7i3089m1p0i-scons-3.0.4-checkout.drv
+\end{verbatim}
+  \end{scriptsize}
+\end{frame}
+
+\begin{frame}[fragile,noframenumbering]{Example of \emph{tarball} retrieval}
+  \begin{scriptsize}
+    \begin{verbatim}
+Trying to use Disarchive to assemble 
/gnu/store/zwmrwlb2l53xbllxcw3axad54kyqcplp-Python-3.12.2.tar.xz...
+Retrieving Disarchive spec
+from 
https://disarchive.guix.gnu.org/sha256/be28112dac813d2053545c14bf13a16401a21877f1a69eb6ea5d84c4a0f3d870
 ...
+Assembling the directory Python-3.12.2
+Downloading /gnu/store/zwmrwlb2l53xbllxcw3axad54kyqcplp-Python-3.12.2.tar.xz 
from Software Heritage...
+SWH vault: requested bundle cooking, waiting for completion...
+SWH vault: Processing...
+swh:1:dir:72d77318a8c52ddfc004251fb7297799135704e6/
+swh:1:dir:72d77318a8c52ddfc004251fb7297799135704e6/Python-3.12.2/pyconfig.h.in
+...
+Checking Python-3.12.2 digest... ok
+Assembling the tarball Python-3.12.2.tar
+Checking Python-3.12.2.tar digest... ok
+Assembling the XZ file Python-3.12.2.tar.xz
+Checking Python-3.12.2.tar.xz digest... ok
+Copying result to 
/gnu/store/zwmrwlb2l53xbllxcw3axad54kyqcplp-Python-3.12.2.tar.xz
+successfully built 
/gnu/store/nx97h7yr21l04nn60mqlf1yzfyxj06jh-Python-3.12.2.tar.xz.drv
+source is at 'Python-3.12.2'
+applying 
'/gnu/store/cdla0h7pcnckxlk3aflik3zsmbsfxzfp-python-3-deterministic-build-info.patch'...
+applying 
'/gnu/store/ns40bs4bs19syckgh7v37rbxax0wfq01-python-3.12-fix-tests.patch'...
+applying 
'/gnu/store/d7xlln76p372rssay94xkwbzf9p9p1rn-python-3-hurd-configure.patch'...
+successfully built 
/gnu/store/y6s4xxsk5fc5909wafcvp2mxh5lc6c65-Python-3.12.2.tar.xz.drv
+\end{verbatim}
+  \end{scriptsize}
+\end{frame}
+
+\begin{frame}[fragile,noframenumbering]{Example of \emph{bugs}
+  \hfill (read Missing in Coverage)}
+  \begin{scriptsize}
+\begin{verbatim}
+Trying to download from Software Heritage...
+SWH: found directory
+with nar-sha256 hash 
c98bd6991721d60b9a79600428bfbe8db0aaac3d383cd2df803ed7867c7cb63b
+at 'swh:1:dir:218d95849f10fc0691d7dfa80999ce5061e654ef'
+swh:1:dir:218d95849f10fc0691d7dfa80999ce5061e654ef/
+...
+swh:1:dir:218d95849f10fc0691d7dfa80999ce5061e654ef/wisp.py
+r:sha256 hash mismatch for 
/gnu/store/7pcac04x82wyhknyfkdwhk3j958n2r75-guile-wisp-1.0.7-checkout:
+  expected hash: 0fxngiy8dmryh3gx4g1q7nnamc4dpszjh130g6d0pmi12ycxd2y9
+  actual hash:   0z7y487nnmw22xry82bb75shwp50gacm4kbwn01vhhli2bchpx37
+hash mismatch for store item 
'/gnu/store/7pcac04x82wyhknyfkdwhk3j958n2r75-guile-wisp-1.0.7-checkout'
+build of 
/gnu/store/8lcrd6n6m18hzh9dszm8c1xhjyfd54d9-guile-wisp-1.0.7-checkout.drv failed
+View build log at 
'/var/log/guix/drvs/8l/crd6n6m18hzh9dszm8c1xhjyfd54d9-guile-wisp-1.0.7-checkout.drv.gz'.
+guix build: error: build of 
`/gnu/store/8lcrd6n6m18hzh9dszm8c1xhjyfd54d9-guile-wisp-1.0.7-checkout.drv' 
failed
+\end{verbatim}
+  \end{scriptsize}
+
+  \begin{center}
+    Bug report
+    \href{https://gitlab.softwareheritage.org/swh/meta/-/issues/5093}{\#5093} 
(SWH)
+
+    Patch
+    \href{https://issues.guix.gnu.org/71631}{\#71631} (Guix)
+  \end{center}
+
+\end{frame}
+
+\end{document}
+
+%% Local Variables:
+%% ispell-local-dictionary: "american"
+%% comment-start: "%"
+%% comment-end: ""
+%% compile-command: "guix shell -C -m manifest.scm -- rubber --pdf slides.tex"
+%% End:
+
+% LocalWords:  SWH Guix guix UI gRPC GraphQL api VCSs Disarchive gzip bzip XZ
+% LocalWords:  zlib PyPI NPM SWHID SWHIDs Darktable SHA linux Webhook
+% LocalWords:  trilemma Scikit nar ExtIDs ExtID sha lzip SwhFS gzipped
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index 00000000..4b41ebfa
--- /dev/null
+++ b/talks/acm-rep-2024/static/graph-tweak.dot
@@ -0,0 +1,56 @@
+digraph "Guix package" {
+  "125979261618944" [label = "coda@2.19", shape = box, fontname = sans];
+  "125979261618944" -> "125979260398512" [color = darkviolet];
+  "125979261618944" -> "125979258941216" [color = darkviolet];
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