diff --git a/historical-authorizations b/historical-authorizations
new file mode 100644
index 0000000..f81080e
--- /dev/null
+++ b/historical-authorizations
@@ -0,0 +1,74 @@
+;; This -*- Scheme -*- file contains the list of "historical"
+;; committers---people once authorized committers before the
+;; '.guix-authorizations' file was created.
+;;
+;; This file is provided for historical and auditing purposes.  It allows you
+;; to authenticate the repository's history starting from a July 31st, 2016
+;; commit:
+;;
+;;   guix git authenticate 7f59985566b384e31da7e6f1a36744e9edfba54f \
+;;       "3CE4 6455 8A84 FDC6 9DB4  0CFB 090B 1199 3D9A EBB5" \
+;;       --historical-authorizations=historical-authorizations.scm
+;;
+;; The format is the same as for '.guix-authorizations'.  User names are those
+;; found on <https://savannah.gnu.org/project/memberlist.php?group=guix> along
+;; with the fingerprint of the signing (sub)key.
+
+(authorizations
+ (version 0)
+
+ (("AD17 A21E F8AE D8F1 CC02  DBD9 F7D5 C9BF 765C 61E3"
+   (name "andreas"))
+  ("50F3 3E2E 5B0C 3D90 0424  ABE8 9BDC F497 A4BB CC7F"
+   (name "ambrevar"))
+  ("27D5 86A4 F890 0854 329F  F09F 1260 E464 82E6 3562"
+   (name "apteryx"))
+  ("45CC 63B8 5258 C9D5 5F34  B239 D37D 0EA7 CECC 3912"
+   (name "biscuolo"))
+  ("7988 3B9F 7D6A 4DBF 3719  0367 2506 A96C CF63 0B21"
+   (name "boskovits"))
+  ("3E89 EEE7 458E 720D 9754  E0B2 5E28 A33B 0B84 F577"
+   (name "cbaines"))
+  ("3CE4 6455 8A84 FDC6 9DB4  0CFB 090B 1199 3D9A EBB5"
+   (name "civodul"))
+  (;; primary: "295A F991 6F46 F8A1 34B0  29DA 8086 3842 F0FE D83B"
+   "76CE C6B1 7274 B465 C02D  B3D9 E71A 3554 2C30 BAA5"
+   (name "dannym"))
+  ("A28B F40C 3E55 1372 662D  14F7 41AA E7DC CA3D 8351"
+   (name "efraim"))
+  ("1A85 8392 E331 EAFD B8C2  7FFB F3C1 A0D9 C1D6 5273"
+   (name "janneke"))
+  (;; primary: "1BA4 08C5 8BF2 0EA7 3179  635A 865D C0A3 DED9 B5D0"
+   "E31D 9DDE EBA5 4A14 8A20  4550 DA45 97F9 47B4 1025"
+   (name "jlicht"))
+  (;; primary: "4F71 6F9A 8FA2 C80E F1B5  E1BA 5E35 F231 DE1A C5E0"
+   "B051 5948 F1E7 D3C1 B980  38A0 2646 FA30 BACA 7F08"
+   (name "lfam"))
+  ("CBF5 9755 CBE7 E7EF EF18  3FB1 DD40 9A15 D822 469D"
+   (name "marusich"))
+  ("BBB0 2DDF 2CEA F6A8 0D1D  E643 A2A0 6DF2 A33A 54FA"
+   (name "mbakke"))
+  ("D919 0965 CE03 199E AF28  B3BE 7CEF 2984 7562 C516"
+   (name "mhw"))
+  ("4008 6A7E 0252 9B60 31FB  8607 8354 7635 3176 9CA6"
+   (name "mothacehe"))
+  ("F2A3 8D7E EB2B 6640 5761  070D 0ADE E100 9460 4D37"
+   (name "mthl"))
+  (;; primary: "F5BC 5534 C36F 0087 B39D  36EF 1C9D C4FE B9DB 7C4B"
+   "7E8F AED0 0944 78EF 72E6  4D16 D889 B0F0 18C5 493C"
+   (name "nckx (revoked; not compromised)"))
+  (;; primary: "F5BC 5534 C36F 0087 B39D  36EF 1C9D C4FE B9DB 7C4B"
+   "F5DA 2032 4B87 3D0B 7A38  7672 0DB0 FF88 4F55 6D79"
+   (name "nckx"))
+  ("CEF4 CB91 4856 BA38 0A20  A7E2 3008 88CB 39C6 3817"
+   (name "pelzflorian"))
+  ("BCA6 89B6 3655 3801 C3C6  2150 197A 5888 235F ACAC"
+   (name "rekado"))
+  ("B5FA E628 5B41 3728 B2A0  FAED 4311 1F45 2008 6A0C"
+   (name "roptat (old)"))
+  (;; From commit 2cbede5935eb6a40173bbdf30a9ad22bf7574c22 (Jan. 2020).  See
+   ;; <https://lists.gnu.org/archive/html/guix-devel/2020-01/msg00499.html>.
+   "1EFB 0909 1F17 D28C CBF9  B13A 53D4 57B2 D636 EE82"
+   (name "roptat"))
+  ("F494 72F4 7A59 00D5 C235  F212 89F9 6D48 08F3 59C7"
+   (name "snape"))))