gthumb/gthumb-3.12.6-1-x86_64.pkg.tar.zst build reproducible in our test framework:
1596dcb04f62ae174185f167185f4c49bd2f082746a0e4d2bd769d84d05e8037 gthumb-3.12.6-1-x86_64.pkg.tar.zst
e425c169eeea780eade2bbc5e69aa46409d9c504c05cbdbe4f7bd8a4525c7cb1 gthumb-3.12.6-1-x86_64.pkg.tar.zst-b1.BUILDINFO.txt
e425c169eeea780eade2bbc5e69aa46409d9c504c05cbdbe4f7bd8a4525c7cb1 gthumb-3.12.6-1-x86_64.pkg.tar.zst-b2.BUILDINFO.txt