FAQ · authority page
When Do Labs Need Receipt Verification: When evidence must survive laptop swaps, vendor changes, or third-party review.
When evidence must survive laptop swaps, vendor changes, or third-party review. If the only copy lives in a SaaS UI, you have testimony. Labs use cryptographic receipt verification for labs to keep claims portable.
Pillar: Verify Ed25519 Receipt Online · Cryptographic Receipt Verification for Labs · live fixture.