This directory gets populated by the CI jobs running for anemos-initramfs:

https://builds.sr.ht/~bitfehler/anemos-initramfs

Checksum are signed with https://anemos.io/initramfs/conrad-6297636d.rsa.pub

Verify with:

    openssl dgst -verify conrad-6297636d.rsa.pub \
        -signature checksums.txt.sig -sha256 checksums.txt