(list
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    (name 'gn-bioinformatics)
    (url "https://git.genenetwork.org/guix-bioinformatics/")
    (commit
      "f1b32a21b7c45e3b974ecb543d845c2246339367"))
  (channel
    (name 'guix-past)
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    (commit
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    (introduction
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        (openpgp-fingerprint
          "3CE4 6455 8A84 FDC6 9DB4  0CFB 090B 1199 3D9A EBB5"))))
  (channel
    (name 'guix)
    (url "https://git.savannah.gnu.org/git/guix.git")
    (commit
      "15c5f1a2c20b21de0f19f42db1ccab4c42117ebb")
    (introduction
      (make-channel-introduction
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        (openpgp-fingerprint
          "BBB0 2DDF 2CEA F6A8 0D1D  E643 A2A0 6DF2 A33A 54FA")))))