Attestations for
  ghcr.io/boks-sh/openssh-agent@sha256:854af36428db5e0bfdcbc268593fe21d090bb1b509020c374c8e256b0b4c6387

Verify them yourself:
  cosign verify-attestation --key cosign.pub \
      --type <cyclonedx|slsaprovenance> ghcr.io/boks-sh/openssh-agent@sha256:854af36428db5e0bfdcbc268593fe21d090bb1b509020c374c8e256b0b4c6387

=== 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)