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 0xbb87109beb7854618adb6976f3d750c82658fd214ea0af5451902a372d4472b5. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/eafcda93-f182-4654-b882-095d74a4848c.json and https://artists.proofprofile.net/proofs/artist/eafcda93-f182-4654-b882-095d74a4848c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
La Partida (Instrumental) (Valsa Chilena)
Amar Não É Pecado (Fado Pedro Rodrigues)
Sou Benfica (2009) [Versão Pronta para Cantar]
Sou Benfica (2009) - Versão Pronta para Cantar