libpng12/libpng12-1.2.59-2-x86_64.pkg.tar.zst build reproducible in our test framework:
0ef51ab723318e0fb6cec009532598dc06db0c0d2363d3cfdb52ba84462ead8e libpng12-1.2.59-2-x86_64.pkg.tar.zst
d78fc202e8172281d88ffd8cfa2b28da0fee8042db2d524274e3750c92c10a85 libpng12-1.2.59-2-x86_64.pkg.tar.zst-b1.BUILDINFO.txt
d78fc202e8172281d88ffd8cfa2b28da0fee8042db2d524274e3750c92c10a85 libpng12-1.2.59-2-x86_64.pkg.tar.zst-b2.BUILDINFO.txt