Attestations for
  ghcr.io/boks-sh/tar@sha256:6626dd4dec45236523cfb41438b601b4843f8010ba66d2a0c189b118cd45384e

Verify them yourself:
  cosign verify-attestation --key cosign.pub \
      --type <cyclonedx|slsaprovenance> ghcr.io/boks-sh/tar@sha256:6626dd4dec45236523cfb41438b601b4843f8010ba66d2a0c189b118cd45384e

=== 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)