hackens-org-configurations/machines/router/npins/sources.json

{
  "pins": {
    "nixpkgs": {
      "type": "Channel",
      "name": "nixpkgs-unstable",
      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-24.05pre572676.b06ff4bf8f4a/nixexprs.tar.xz",
      "hash": "1alh0waf9hjhxqnxwkmc6g1fq9h1m498g269yncdnhhkiglg73kx"
    }
  },
  "version": 3
}