anchor.diff:  }:
   
   let
  -  version = "0.23.10";
  +  version = "0.23.12";
   
     tarballUrls = version: [
       "https://github.com/p11-glue/p11-kit/releases/download/${version}/p11-kit-${version}.tar.gz"
  
positive.code:   src = fetchurl {
      urls = tarballUrls version;
      hashOutput = false;
      sha256 = "f9212a3f225ef543e13fae9945527d66c0cbb67246320035dd94fab2bce5ae43";
    };
  
    buildInputs = [
  
negative.code:   passthru = {
      srcVerification = fetchurl rec {
        failEarly = true;
        urls = tarballUrls "0.23.12";
        pgpsigUrls = map (n: "${n}.sig") urls;
        pgpKeyFingerprints = [
          "AED6 E2A1 85EE B379 F174  76D2 E012 D07A D0E3 CC30"
          "4622 25C3 B46F 3487 9FC8  496C D605 848E D7E6 9871"
        ];
        inherit (src) outputHashAlgo;
        outputHash = "58bae22f19db1de1a1103e7ca4149eed6e303e727878c2cd5ea9e6fe445fd403";
      };
    };
  
  