Engineering note
Signing benchmarks is a product surface.
HX-Provenance
Receipts are not a footer badge.
HX-Provenance turns artifacts into a verifiable proof chain: artifact, manifest, signature, verification output.
01
artifact
benchmark output + environment
02
manifest
SHA-256 hash set
03
signature
ML-DSA-65 / FIPS 204
04
verify
third-party script + receipt