(list (channel
       (name 'guix)
       (url "https://git.savannah.gnu.org/git/guix.git")
       (branch "master")
       (commit
        "2a6d96425eea57dc6dd48a2bec16743046e32e06")
       (introduction
        (make-channel-introduction
         "9edb3f66fd807b096b48283debdcddccfea34bad"
         (openpgp-fingerprint
          "BBB0 2DDF 2CEA F6A8 0D1D  E643 A2A0 6DF2 A33A 54FA"))))
      (channel
       (name 'guix-north-america)
       (url "https://git.genenetwork.org/guix-north-america/")
       (branch "master")
       ;; (commit ;; Pin to <commit-sha> if/when required
       ;;  "<commit-sha>")
       (introduction
        (make-channel-introduction
         "c0979ad86fdf0b403c60d5767328cb862ecc00ef"
         (openpgp-fingerprint
          "F8D5 46F3 AF37 EF53 D1B6  48BE 7B4D EB93 212B 3022")))))