Attestations for
  ghcr.io/boks-sh/openssh-keygen@sha256:168413b4ce5b3ad7ba33e3e53468119a07baa00379bbb415cc90ff78946ecae5

Verify them yourself:
  cosign verify-attestation --key cosign.pub \
      --type <cyclonedx|slsaprovenance> ghcr.io/boks-sh/openssh-keygen@sha256:168413b4ce5b3ad7ba33e3e53468119a07baa00379bbb415cc90ff78946ecae5

=== cyclonedx ===================================================
  (no attestation matches the document published now -- 1 older one(s) are attached)

=== slsaprovenance ==============================================
  (no attestation matches the document published now -- 1 older one(s) are attached)