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 0x79e8e0123867d57b77df1cf649678fd2cf2b65dc2eb140719b64c8f211984773. Chain 2 (Bitcoin): anchored in block 953817 (2026-06-15T18:10:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fad9b5ad-7cb6-4da4-a2da-5c3b132d58cb.json and https://artists.proofprofile.net/proofs/artist/fad9b5ad-7cb6-4da4-a2da-5c3b132d58cb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Cultura Lira Paulistana / Luar do Sertão (Música Incidental)
Vou de Vai-Vai / O Boi Vai Atrás (Música Incidental)
Já Que Tem Que / Vapor Barato (Música Incidental)
Outras Capitais / Não Há Saídas (Poema Incidental)
Mpb Brazil: Brazil, Samba, Bossa Nova And Beyond / A Nova Canção Brasileira
Vida Cigana / Rio de Luar / Tuiuiu-Jaburu