Attestations for
  ghcr.io/boks-sh/coreutils-extra@sha256:45a85c14d4635c9a656d25cf85de3c30806ca2360db9e85cc6e3ff0b0e70777c

Verify them yourself:
  cosign verify-attestation --key cosign.pub \
      --type <cyclonedx|slsaprovenance> ghcr.io/boks-sh/coreutils-extra@sha256:45a85c14d4635c9a656d25cf85de3c30806ca2360db9e85cc6e3ff0b0e70777c

=== 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)