anchor.diff:  
     src = fetchurl {
       url = "https://sqlite.org/${releaseYear}/sqlite-autoconf-${version'}.tar.gz";
  -    multihash = "QmY74pCJm3VejEC36w51U9K5qtErzjYNQqjgxtvWANgCRy";
  +    multihash = "QmeisJ8Pfr6WhigWVZ7UCHyRyRv6recmxYUCdRi6AS5VGx";
       hashOutput = false;
  -    sha256 = "ca5361fb01cc3ad63d6fd4eb2cb0b6398e629595896d3558f7e121d37dac2ffc";
  +    sha256 = "06129c03dced9f87733a8cba408871bd60673b8f93b920ba8d815efab0a06301";
     };
   
     buildInputs = [
  
positive.code:   passthru = {
      srcVerification = fetchurl {
        failEarly = true;
        sha1Confirm = "597735a7039ebb105ea36366783ff0a3177f9131";
        inherit (src) urls outputHash outputHashAlgo;
      };
    };
  
negative.code:     splitString
      tail;
  
    version = "3.19.3";
    releaseYear = "2017";
    versionList = splitString "." version;
    version' = "${head versionList}${fixedWidthString 2 "0" (head (tail versionList))}"
  