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 0xed0c760b7fae9c8f1650a30a47e679b992b67592c78193b02b35aac14200df17. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b3061993-3779-4d13-b4ca-b4a73359fe33.json and https://artists.proofprofile.net/proofs/artist/b3061993-3779-4d13-b4ca-b4a73359fe33.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Abbi fede (colonna sonora originale del film)
The Last Supper (Original Motion Picture Soundtrack)
Violoncelle Apaisant (Musique Classique)