guetzli/guetzli-1.0.1-4-x86_64.pkg.tar.zst build reproducible in our test framework:
c7007223f45ceb22da37fd10337f41ee4817b490a5dc955ee8cc01d235f74c00 guetzli-1.0.1-4-x86_64.pkg.tar.zst
9930d22920fbaca11d761acc489c1966560d97af89408a51457990aa1fc17d78 guetzli-1.0.1-4-x86_64.pkg.tar.zst-b1.BUILDINFO.txt
9930d22920fbaca11d761acc489c1966560d97af89408a51457990aa1fc17d78 guetzli-1.0.1-4-x86_64.pkg.tar.zst-b2.BUILDINFO.txt