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 0xd667e96a605662277eeca5639dbe048d7ef0895b59f84df2b4beb1b60ac83870. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c4438f64-3e9e-445c-a94e-57174665aab5.json and https://artists.proofprofile.net/proofs/artist/c4438f64-3e9e-445c-a94e-57174665aab5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Aquele Amor Melhor / Fazer Samba Sem Amor
Minha Roda Gigante / Chove Outra Vez / Esqueça Não / Minha Filosofia
Reverso / Se O Tempo Entendesse / Sucedeu Assim
Eu Sei Que Vou Te Amar - 2000 Digital Remaster
The Music of Brazil / Tito Madi / Recordings 1957 - 1958