Attestations for
  ghcr.io/boks-sh/perl@sha256:a2202d9b6a9f7bfac863ac7b80909441dac9de31f5a96bbd9848b6b19421b621

Verify them yourself:
  cosign verify-attestation --key cosign.pub \
      --type <cyclonedx|slsaprovenance> ghcr.io/boks-sh/perl@sha256:a2202d9b6a9f7bfac863ac7b80909441dac9de31f5a96bbd9848b6b19421b621

=== 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)