libsixel/libsixel-1.10.3-5-x86_64.pkg.tar.zst build reproducible in our test framework:
e81111005f7ea4b3a4113e1c932cf433b11fa40ff4d92f0b7f2303eb1249b5c2 libsixel-1.10.3-5-x86_64.pkg.tar.zst
0ed9e8be319724c38034a029afd6b6c6a81a3dddf7d9f608fb1ebb07db6d3efe libsixel-1.10.3-5-x86_64.pkg.tar.zst-b1.BUILDINFO.txt
0ed9e8be319724c38034a029afd6b6c6a81a3dddf7d9f608fb1ebb07db6d3efe libsixel-1.10.3-5-x86_64.pkg.tar.zst-b2.BUILDINFO.txt