(list (channel
        (name 'gn-bioinformatics)
        (url "https://git.genenetwork.org/guix-bioinformatics")
        (commit "e292b4024739e2f3bc2a2f9335b430dceb75a654"))
      (channel
        (inherit %default-guix-channel)
        (commit "99556e7724b3dd65e2be0dd06b7b69695c9c7901"))
      (channel
        (name 'guix-past)
        (url "https://codeberg.org/guix-science/guix-past")
        (commit "d0e01528abcf07a40981303b3e4a54edd7ffd501")
        (introduction
         (make-channel-introduction
          "0c119db2ea86a389769f4d2b9c6f5c41c027e336"
          (openpgp-fingerprint
           "3CE4 6455 8A84 FDC6 9DB4  0CFB 090B 1199 3D9A EBB5"))))
      (channel
        (name 'guix-rust-past-crates)
        (url "https://codeberg.org/guix/guix-rust-past-crates")
        (commit "20997ccc759799c19709fdde729d67e470fa5bcf")
        (introduction
         (make-channel-introduction
          "1db24ca92c28255b28076792b93d533eabb3dc6a"
          (openpgp-fingerprint
           "F4C2D1DF3FDEEA63D1D30776ACC66D09CA528292")))))