JIAOZI invents no private standards — credentials are issued to public standards including W3C DID Core, W3C VC 2.0, and others, independently verifiable with anyone's standard tools.
Credentials are issued to public standards including W3C DID Core, W3C VC 2.0, and others. Listing indicates technical alignment only — not an endorsement by any standards body.
Preview the same credential ID / DID through W3C DID, did:key and other adapter views — register once, interoperate everywhere.
None of the items below go through JIAOZI or need an account — anyone can check them, any time.
The China-site operator (Qinhuangdao QIJI Technology Co., Ltd.) is listed in China's national enterprise credit registry; the ICP filing number in the footer can be checked against the MIIT filing system — same legal entity.
The public keys used to check our signatures are free to fetch: the status-signing key at /api/status-key, and the issuer identity document at /.well-known/did.json on jiaozi.io. With those, anyone's standard tools can verify our credentials.
Credential JIAOZI-2026-000027 is public long-term. Verify it here on the spot, or with third-party tools — seeing is believing.
Which credentials are revoked is published at a fixed address using the W3C Bitstring Status List standard, re-signed every 60 seconds — history cannot be quietly rewritten.
The China and International portals verify the same global ledger, so results cross-check each other; issuance happens at the neutral Singapore node.
Our machine-readable self-descriptions live at /llms.txt and /.well-known/agent-card.json, saying the same things we tell humans — no double-speak.
