gtk-engines/gtk-engines-2.21.0-5-x86_64.pkg.tar.zst build reproducible in our test framework:
8eac4347072d7549dc03bfca371d86500a194a9867046838f1e70630cda22879 gtk-engines-2.21.0-5-x86_64.pkg.tar.zst
5590c4aa572e1396a90e715ce9199e21922ce419494e5b22e692cc8324c9c7fa gtk-engines-2.21.0-5-x86_64.pkg.tar.zst-b1.BUILDINFO.txt
5590c4aa572e1396a90e715ce9199e21922ce419494e5b22e692cc8324c9c7fa gtk-engines-2.21.0-5-x86_64.pkg.tar.zst-b2.BUILDINFO.txt