gcr-4/gcr-4-docs-4.2.1-2-x86_64.pkg.tar.zst build reproducible in our test framework:
2c87ba8b599a3084ac2da0337d2d9c894d90539299f29fc9c2bb2d89dff555f4 gcr-4-docs-4.2.1-2-x86_64.pkg.tar.zst
40b211f6138bd501f062a3432200c0bc830e52ac8fbbc416aa3eb4b4a6bf9d61 gcr-4-docs-4.2.1-2-x86_64.pkg.tar.zst-b1.BUILDINFO.txt
40b211f6138bd501f062a3432200c0bc830e52ac8fbbc416aa3eb4b4a6bf9d61 gcr-4-docs-4.2.1-2-x86_64.pkg.tar.zst-b2.BUILDINFO.txt