qt5-base/qt5-base-5.15.12+kde+r151-1-x86_64.pkg.tar.zst build reproducible in our test framework:
7f8de2df348cfc70777ffe493c7fb4d3336dad74b06d3d75624462e5e58c4549 qt5-base-5.15.12+kde+r151-1-x86_64.pkg.tar.zst
f6aa3727c655222ef92b07c35677aee34f5e91391adea3af5d71be083f4f955c qt5-base-5.15.12+kde+r151-1-x86_64.pkg.tar.zst-b1.BUILDINFO.txt
f6aa3727c655222ef92b07c35677aee34f5e91391adea3af5d71be083f4f955c qt5-base-5.15.12+kde+r151-1-x86_64.pkg.tar.zst-b2.BUILDINFO.txt