Attestations for
  ghcr.io/boks-sh/openssh-sftp@sha256:3ed42b53f074c87d4386140e87224433ee2d7715025df299bb57ca8ba7a41a42

Verify them yourself:
  cosign verify-attestation --key cosign.pub \
      --type <cyclonedx|slsaprovenance> ghcr.io/boks-sh/openssh-sftp@sha256:3ed42b53f074c87d4386140e87224433ee2d7715025df299bb57ca8ba7a41a42

=== 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)