#You can use this channel like this

(channel
    (name 'ruthless)
    (url "https://git.ditigal.xyz/~ruther/ruthless-guix")
    (branch "main")
    (introduction
     (make-channel-introduction
      "66f3ed48e502a60971f94bb8e73ec9dc7bc8d6ca"
      (openpgp-fingerprint
       "6B51 071A 0FB1 52AD ED93  6360 0322 7982 69E4 71C3"))))