Attestations for
  ghcr.io/boks-sh/strace@sha256:ccc21e84063000794bdabc127238079faf7f591c4e6dadf2c09f16602eeb58b1

Verify them yourself:
  cosign verify-attestation --key cosign.pub \
      --type <cyclonedx|slsaprovenance> ghcr.io/boks-sh/strace@sha256:ccc21e84063000794bdabc127238079faf7f591c4e6dadf2c09f16602eeb58b1

=== 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)