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 0x4712dfdeeeab9c11bf414f566510ba3fbc6a48e2eeda29351bba0ed423d757f8. 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/f93f98de-86a3-452b-90dc-a97bc6fce3f6.json and https://artists.proofprofile.net/proofs/artist/f93f98de-86a3-452b-90dc-a97bc6fce3f6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Passarinho do Peito Amarelo (Gorrioncillo Pecho Amarillo)
Amanheci Em Teus Braços (Amaneci En Tus Brazos)
Resposta Da Mariquinha (Abra A Porta, Mariquinha)
Os Homens Não Devem Chorar (feat. Carlos César)
Luar Do Sertão - Zé Do Rancho & Zé Do Pinho
Luar do Sertão (feat. Milton Nascimento)