flatpak-builder/flatpak-builder-1.4.2-1-x86_64.pkg.tar.zst build reproducible in our test framework:
df6082a09eb5e56a4efb2d28308d3add37fa5df8bab6ee9e0dcc28336ab2e5d8 flatpak-builder-1.4.2-1-x86_64.pkg.tar.zst
cafaf99caa811714720021f1bfca2b6e8e9846488d2c6665674c5e65f4f599df flatpak-builder-1.4.2-1-x86_64.pkg.tar.zst-b1.BUILDINFO.txt
cafaf99caa811714720021f1bfca2b6e8e9846488d2c6665674c5e65f4f599df flatpak-builder-1.4.2-1-x86_64.pkg.tar.zst-b2.BUILDINFO.txt