The proof

1. Re-scan: the hardened skill has no CRITICAL, HIGH or MEDIUM finding.
2. Takes away, never adds: no new tools, no new memory regions, no higher tier.
3. Still a skill: the code is not emptied and every function the original defined still exists.
4. Same identity: the skill_id does not change.
5. Sandbox: inside the cryptographic skill sandbox, a read of another skill's memory fails closed and the skill's own memory still works.
6. Sign: canonical JSON, SHA-256 chained, Ed25519; verifiable offline.

FIRME AI CORPORATION · CAIN-42 is a Byzantine trust fabric. Numbers marked "our own check" were run by us, not by an independent party. Nothing on these pages is a certification.