Attestations for
  ghcr.io/boks-sh/cpio@sha256:46bc9a6087d81ed7979c0cf37f3aaaa013f5dc1c19eb96c003dd4f1592ddac0f

Verify them yourself:
  cosign verify-attestation --key cosign.pub \
      --type <cyclonedx|slsaprovenance> ghcr.io/boks-sh/cpio@sha256:46bc9a6087d81ed7979c0cf37f3aaaa013f5dc1c19eb96c003dd4f1592ddac0f

=== 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)