Wuju () is a type of narrative concert dance from China. Developed in the 1950s with influences from ballet and traditional Chinese dance, performances seek to tell stories through intricate movement
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x390fbd1ec1795f2b9f09a53c67b39d1b0ec615d39693221d44adbf497af13a2e. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/187ecb5d-9730-4d3c-a2cd-566b4d2b1c92.json and https://artists.proofprofile.net/proofs/artist/187ecb5d-9730-4d3c-a2cd-566b4d2b1c92.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).