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 0x5294fc5eb431bf6ec6b4d7baa63165052068605ea47f9ac219f1122282f3dbc9. Chain 2 (Bitcoin): anchored in block 953727 (2026-06-15T02:33:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/90a28165-c44b-41d9-bcc0-c47c853571a4.json and https://artists.proofprofile.net/proofs/artist/90a28165-c44b-41d9-bcc0-c47c853571a4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Waiting for Tonight (Nutcracker Dance) - String Version