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 0x9c175c1247cda28c55251b081e288d75ebb9cb7eb4f06540329163931628eac7. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8dde3921-abfb-4319-8af4-7c1704faedee.json and https://artists.proofprofile.net/proofs/artist/8dde3921-abfb-4319-8af4-7c1704faedee.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ni Tú Ni Nadie (Noche y Día) - Bonus Track
Qué Es El Amor Sin El Amor (El Capo, Telefe)