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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b462644b4e152634858e7d6ddc3145e190ddb9b2ffb063db6c4de21d1c2e1e5. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a5972909-87c9-46d0-a37a-8a23907c5a29.json and https://artists.proofprofile.net/proofs/artist/a5972909-87c9-46d0-a37a-8a23907c5a29.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Popurrí Repasando A Fito - En Vivo Desde Monterrey, Nuevo León / 1998
Me Ando Me Ando / La Vida Chola / La Alberca
Popurrí Cumbiatón: La Popola / La Gasolina / Oye Mi Canto - En Vivo
Popurrí de Aniceto: La Cumbia Rebaja/El Machito
Popurri de Fito: La Gallina / La Güera Salome / Agüita De Melón / Columba / Juana La Cubana - Live
Popurri Las Chihuahuas: Cumbia Del Sol / Baila Esta Cumbia / La Polka Cumbia - En Vivo
Popurri de Fito: La Gallinita/La Guera Salome/Agüita de Melon/Columba/Juana La Cubana - En Vivo
Popurri de Mike: Tiburon A La Vista/La Rajita De Canela/La Cosecha De Mujeres/039/Grande De Caderas/La Banda Borracha/Soy Mexicano - En Vivo
Popurri Carbonero: Martha La Reina / Leña Para El Carbon - En Vivo