libmpack/libmpack-1.0.5-3-x86_64.pkg.tar.zst build reproducible in our test framework:
a263d0ed811507e6eac61d85679f4bea64018a572b307f532e269153f36ff4de libmpack-1.0.5-3-x86_64.pkg.tar.zst
6b7f8fc9a3b0bb0247c414af3ca2fb9f893cb280e73c27821dffc6309bcd957b libmpack-1.0.5-3-x86_64.pkg.tar.zst-b1.BUILDINFO.txt
6b7f8fc9a3b0bb0247c414af3ca2fb9f893cb280e73c27821dffc6309bcd957b libmpack-1.0.5-3-x86_64.pkg.tar.zst-b2.BUILDINFO.txt