Verify a Good Proof StampDecision-time verification
Check the current status of any Good Proof Stamp. If it's not VALID, treat as fail-closed.
Official verifier: verify.goodproof.mindchill.ai
If the domain doesn't match, treat as NOT VERIFIED. Don't trust links — type mindchill.ai/official to verify.
Enter Stamp ID
Paste a Stamp ID or full verification URL
How verification works
Four steps from Stamp ID to decision-time evidence.
Submit Stamp ID
Enter a Stamp ID or paste a verification URL
Query Official Verifier
Request hits verify.goodproof.mindchill.ai — the only trusted source
Receive Status + Evidence
Get the current lifecycle state, scope, expiry, and signer
Act on Decision Rule
VALID → proceed. Anything else → block or escalate (fail-closed)
Timeout, TLS failure, domain mismatch, malformed response, or any non-VALID status → block or escalate. Never fail-open.
Try it with demo stamps
Click any demo stamp to see verification in action.
GP-STAMP-DEMO-VALID
Guardian
VALIDGP-STAMP-DEMO-SYSTEM
System
NEEDS REFRESHGP-STAMP-DEMO-REFRESH
Guardian
WITHDRAWNGP-STAMP-DEMO-WITHDRAWN
Guardian
Any unrecognized ID returns NOT VERIFIED (fail-closed).
Related resources
Need verification for your programme?
Every Stamp Sprint includes API integration, status webhooks, and decision-time evidence.