gthumb/gthumb-debug-3.12.6-1-x86_64.pkg.tar.zst build reproducible in our test framework:
8ace481d25f2ff033dc8622623dcef702e327534560cf4c1dfd4e3e76eccd6df gthumb-debug-3.12.6-1-x86_64.pkg.tar.zst
cbe6ffe0a8e8657dd32bc179784262d69d2e728c1144de132875c42f53b4cdad gthumb-debug-3.12.6-1-x86_64.pkg.tar.zst-b1.BUILDINFO.txt
cbe6ffe0a8e8657dd32bc179784262d69d2e728c1144de132875c42f53b4cdad gthumb-debug-3.12.6-1-x86_64.pkg.tar.zst-b2.BUILDINFO.txt