Attestations for
  ghcr.io/boks-sh/coreutils@sha256:1199df003047835bf86a3c78585cbf24d602b883f7a54c058ac87dbf66c7ccc7

Verify them yourself:
  cosign verify-attestation --key cosign.pub \
      --type <cyclonedx|slsaprovenance> ghcr.io/boks-sh/coreutils@sha256:1199df003047835bf86a3c78585cbf24d602b883f7a54c058ac87dbf66c7ccc7

=== 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)