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 0x854dea2ab31e0b810ab30d7966ece890a59671ffbb063c3f68f63047402801cf. Chain 2 (Bitcoin): anchored in block 953812 (2026-06-15T17:06:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f729c942-1962-468d-9833-c500253d71ee.json and https://artists.proofprofile.net/proofs/artist/f729c942-1962-468d-9833-c500253d71ee.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Dona Luz de Lucena (feat. Oquestra Sarrald) [Mono Version]
Éxito de los Churumbeles de España, Vol. III
Exito De Los Churumbeles De España Vol. III
Los Churumbeles de España: Alma Española
Te Voy a Contar Mi Historia - Remastered
La Habana Era una Fiesta (Grabaciones de la Radio Cubana)
Con Amor Para Mi Vieja (14 Songs from Havana with Love)
Quinceañera, Valses de Strauss, Mexicanos
Que Me Quiten Lo Bailao (Gdo en Cuba) - Garrotín