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 0x36826562d3081a90cfee8a442091ec4c4ebbf13f1106748c119285955d839d99. Chain 2 (Bitcoin): anchored in block 953807 (2026-06-15T16:39:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/edcfa70e-ff7d-4af8-a47e-a94b7bcbffeb.json and https://artists.proofprofile.net/proofs/artist/edcfa70e-ff7d-4af8-a47e-a94b7bcbffeb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
María Cristina (feat. Conjunto Oriental de Bimbi)
El Platanal de Bartolo (feat. Chepín y Su Orquesta Oriental)
Doble Insconsciencia (Falsaria) - Bolero
Guaguancó a Todos los Barrios - Guaguancó
Picarona Te Gusta el Dinero - Guaracha Mambo
José Tejedor con el Conjunto Musicuba (Remasterizado)
Niño Saquito con el Conjunto Oriental de Bimbi
Afro Cuban Roots Presents Cuban Feelings: The Bolero Era
Mosaico Number 12 - Si me compredieras - Seguiré sin ti - Realidad y fantasia
La edad de Oro de la Música Cubana, Vol. 2 (Remastered)
México y Cuba: Una Historia de Música y Amor, Vol.2
Afro Cuban Roots Vol. 6 - Havana After Hours
Masaico No. 7 - Si me pudieras Amar - Plazos traicioneros - Contigo en la distancia
Cuba Canta Vol. 2 Música Tradicional Cubana (Remastered)
Amor en Tragos (Pablo Cairo Sentmenat) JOSE TEJEDOR - Remastered
Cuba Canta Vol. 1 Música Tradicional Cubana (Remastered)