zlib/zlib-1:1.3.1-1-x86_64.pkg.tar.zst build reproducible in our test framework:
ab799ec346097bec92541f0d2bdf899f77bb301a72df63ee21389231bc984b1a zlib-1:1.3.1-1-x86_64.pkg.tar.zst
670cb23b735aca253878bedcb14e23a577577e153b8dbc3f5e449e6125787ffb zlib-1:1.3.1-1-x86_64.pkg.tar.zst-b1.BUILDINFO.txt
670cb23b735aca253878bedcb14e23a577577e153b8dbc3f5e449e6125787ffb zlib-1:1.3.1-1-x86_64.pkg.tar.zst-b2.BUILDINFO.txt