qpdf/qpdf-11.9.0-1-x86_64.pkg.tar.zst build reproducible in our test framework:
8d41267f2125fe944de07a7aa694febb8584275e53a6059797b15d9768661b18 qpdf-11.9.0-1-x86_64.pkg.tar.zst
423bba16901df07c3fd6a19cfb0adf0871bd1b2fce996834935f0c44521be6a7 qpdf-11.9.0-1-x86_64.pkg.tar.zst-b1.BUILDINFO.txt
423bba16901df07c3fd6a19cfb0adf0871bd1b2fce996834935f0c44521be6a7 qpdf-11.9.0-1-x86_64.pkg.tar.zst-b2.BUILDINFO.txt