Attestations for
  ghcr.io/boks-sh/php@sha256:b2083fb1007a70945e1c7e45dd044dd0e7a547581d76a85fc2a75b838aa5a168

Verify them yourself:
  cosign verify-attestation --key cosign.pub \
      --type <cyclonedx|slsaprovenance> ghcr.io/boks-sh/php@sha256:b2083fb1007a70945e1c7e45dd044dd0e7a547581d76a85fc2a75b838aa5a168

=== 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)