grep/grep-3.11-1-x86_64.pkg.tar.zst build reproducible in our test framework:
2ab65a310dcd8a3bfe592f389c641e16341147088d4feee115b8b84a1be3a53e grep-3.11-1-x86_64.pkg.tar.zst
45eed8bc9a1910e5849d979be9177a30ba8cb1fbb9f426459fa3a476a132a2c1 grep-3.11-1-x86_64.pkg.tar.zst-b1.BUILDINFO.txt
45eed8bc9a1910e5849d979be9177a30ba8cb1fbb9f426459fa3a476a132a2c1 grep-3.11-1-x86_64.pkg.tar.zst-b2.BUILDINFO.txt