Verification certificates you can check without trusting us
Each certificate includes a signed JSON envelope, the exact canonical payload, a detached signature, the public key and a verifier. A certificate states its limits beside its evidence.
Read the forward-provenance charter to recount what the rail enforces, what internal checkpoints it exempts and which legacy records remain unproven.
Question-seal certificate
Checks whether the verification rail pinned every reviewed question and explicitly labeled each measured legacy run that lacked provenance. The page exposes the recorded counts, question hash, grader hash and recorder run.
Open certificate and verification filesYour evidence rail, certified. $249 once.
For an AI governance, procurement or platform assurance lead: one signed HTML and JSON certificate generated from an agreed evidence scope, delivered within two business days. Cancel before generation begins.
Request the $249 verification certificateSignatures prove byte integrity and signer control. Each certificate separately states what its upstream evidence can and cannot prove.