htmldoc/htmldoc-1.9.18-1-x86_64.pkg.tar.zst build reproducible in our test framework:
8b0b945e750a8752e23bd0cd7e14c44587d6145b687aa5b9b2bfce4964c23a3e htmldoc-1.9.18-1-x86_64.pkg.tar.zst
6543e9f9737745016ece5658eb355db44efb8bb21fc26cc3ebe34eb9f385c6bd htmldoc-1.9.18-1-x86_64.pkg.tar.zst-b1.BUILDINFO.txt
6543e9f9737745016ece5658eb355db44efb8bb21fc26cc3ebe34eb9f385c6bd htmldoc-1.9.18-1-x86_64.pkg.tar.zst-b2.BUILDINFO.txt