1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9097198174330fe85a8d861182ee48fe90f314940d2bb1bd0c1b3b3eeffe77a7. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/43e118e2-5f82-4545-8cb2-defb957449f6.json and https://artists.proofprofile.net/proofs/artist/43e118e2-5f82-4545-8cb2-defb957449f6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
英皇娛樂15週年和華麗有約澳門演唱會