Attestations for
  ghcr.io/boks-sh/tar@sha256:943ae7317efb5b188f32229924389762c4a20a438b2e5c368fc9ecb9b67fb89e

Verify them yourself:
  cosign verify-attestation --key cosign.pub \
      --type <cyclonedx|slsaprovenance> ghcr.io/boks-sh/tar@sha256:943ae7317efb5b188f32229924389762c4a20a438b2e5c368fc9ecb9b67fb89e

=== 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)