Attestations for
  ghcr.io/boks-sh/bzip2@sha256:7fd74aa15749410f2f9c56809fd82e1992766cdeb5e83f7a4ae150e3370ecc0f

Verify them yourself:
  cosign verify-attestation --key cosign.pub \
      --type <cyclonedx|slsaprovenance> ghcr.io/boks-sh/bzip2@sha256:7fd74aa15749410f2f9c56809fd82e1992766cdeb5e83f7a4ae150e3370ecc0f

=== cyclonedx ===================================================
  (no attestation matches the document published now -- 0 older one(s) are attached)

=== slsaprovenance ==============================================
  (no attestation matches the document published now -- 0 older one(s) are attached)