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 0x0faad601217f150b80a70013be4b91467b711c84e50912796f60206b0b0941ab. Chain 2 (Bitcoin): anchored in block 953773 (2026-06-15T10:40:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c82a9d47-eb76-48b0-8ddd-da6ef06671cb.json and https://artists.proofprofile.net/proofs/artist/c82a9d47-eb76-48b0-8ddd-da6ef06671cb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Cuban Music For The World - Cógele el Golpe
Mosaico No. 4: Quizás Quizás / La Pilanderas / Sabor de Engaño / Vámonos / Mi Pregón