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 0x4e87a0a300b3bbcbb27fc0516bd40aa9f0b40b1cd4e0f93c74d1f5de9c63b137. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4f19030f-10f8-443d-bb58-3d52831e15cf.json and https://artists.proofprofile.net/proofs/artist/4f19030f-10f8-443d-bb58-3d52831e15cf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Al cielo La Reina de Triana (en directo)
Al cielo La Reina de Triana - en directo
La música del pueblo en Cuaresma (en directo)