lib32-libpng/lib32-libpng-1.6.43-1-x86_64.pkg.tar.zst build reproducible in our test framework:
f9ad152b0cf8eb43b50799447561116396b69e1cabe8de1675d85f52bbda38ea lib32-libpng-1.6.43-1-x86_64.pkg.tar.zst
15039905b94af7a4031bae12887c0a3716aa088b759bf574b549cdae6c564531 lib32-libpng-1.6.43-1-x86_64.pkg.tar.zst-b1.BUILDINFO.txt
15039905b94af7a4031bae12887c0a3716aa088b759bf574b549cdae6c564531 lib32-libpng-1.6.43-1-x86_64.pkg.tar.zst-b2.BUILDINFO.txt