(list (channel
       (name 'guix)
       (url "https://git.savannah.gnu.org/git/guix.git")
       (branch "master")
       (commit "v1.4.0")
       (introduction
        (make-channel-introduction
         "9edb3f66fd807b096b48283debdcddccfea34bad"
         (openpgp-fingerprint
          "BBB0 2DDF 2CEA F6A8 0D1D  E643 A2A0 6DF2 A33A 54FA"))))
       (channel
        (name 'guix-past)
        (url "https://gitlab.inria.fr/guix-hpc/guix-past")
        (commit "1e25b23faa6b1716deaf7e1782becb5da6855942")
        (introduction
         (make-channel-introduction
          "0c119db2ea86a389769f4d2b9c6f5c41c027e336"
          (openpgp-fingerprint
           "3CE4 6455 8A84 FDC6 9DB4  0CFB 090B 1199 3D9A EBB5")))))

Generated by Ricardo Wurmus using scpaste at Sat Oct 28 11:01:13 2023. CEST. (original)