arpack/arpack-3.9.1-2-x86_64.pkg.tar.zst build reproducible in our test framework:
2643da4f05503483ee7e5fc48914d1699c80ca6c0dacf01a820d77bf67703376 arpack-3.9.1-2-x86_64.pkg.tar.zst
24459dcaf85008e261d4ac0ae05d9285f41dd967ecda8f4de267ed081341e850 arpack-3.9.1-2-x86_64.pkg.tar.zst-b1.BUILDINFO.txt
24459dcaf85008e261d4ac0ae05d9285f41dd967ecda8f4de267ed081341e850 arpack-3.9.1-2-x86_64.pkg.tar.zst-b2.BUILDINFO.txt