libxcomposite/libxcomposite-0.4.6-1-x86_64.pkg.tar.zst build reproducible in our test framework:
15e871622cb8d6a7ecac82433330a8ed30312e939bc9b385b38b3f47ce1d0618 libxcomposite-0.4.6-1-x86_64.pkg.tar.zst
b304b37f914dd2227ecd64758c84c566a81a26799bbb9912493a9cb6ff0b82ff libxcomposite-0.4.6-1-x86_64.pkg.tar.zst-b1.BUILDINFO.txt
b304b37f914dd2227ecd64758c84c566a81a26799bbb9912493a9cb6ff0b82ff libxcomposite-0.4.6-1-x86_64.pkg.tar.zst-b2.BUILDINFO.txt