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 0x52b45f797a53f7326dd278bb26c8f0465f9085dac957b3e0256cb0f41846ffcc. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9496cf30-a287-43e9-8c11-86a74e6cf862.json and https://artists.proofprofile.net/proofs/artist/9496cf30-a287-43e9-8c11-86a74e6cf862.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Canción para Mi Pueblo / No la Quiero Más
No la Llames Diosa... Mujeres Negras al Sur (Miradas Desde la Poesía y Desde la Música Afrouruguaya)
Tango en Granada. Festival Internacional de Tango, 1993