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 0x1da3d3e694c930eef6cea6228a8b8518ce85383887aa7e2e51e270da4dc2bacf. 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/abff4a1c-9daf-40f0-9a73-32f1e11e355e.json and https://artists.proofprofile.net/proofs/artist/abff4a1c-9daf-40f0-9a73-32f1e11e355e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mi Historia Entre Tus Dedos (Operación Triunfo 2018)
Mi Historia Entre Tus Dedos - Operación Triunfo 2018
Operación Triunfo 2018 (Lo Mejor / 2ª Parte)
Las Mejores Covers de OT Operación Triunfo Volumen 2
Chas! Y Aparezco A Tu Lado - Operación Triunfo 2017
El Ataque De Las Chicas Cocodrilo - Operación Triunfo 2018
Este Amor Ya No Se Toca - Operación Triunfo 2018
She Used To Be Mine - Operación Triunfo 2018
Operación Triunfo 2018 [Lo Mejor (1ª Parte)]
El Ataque De Las Chicas Cocodrilo (Operación Triunfo 2018)
OT Gala Eurovisión RTVE (Operación Triunfo 2018 / Eurovision Song Contest / Tel Aviv 2019)
Per Le Strade Una Canzone - Summer Remix