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 0x022aa63afa26ffe5269ac1c8ff9ef2c56f2ff540953f7af270c69978b709de7a. 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/140a2b26-b84b-4ea5-8238-11244ea1f0df.json and https://artists.proofprofile.net/proofs/artist/140a2b26-b84b-4ea5-8238-11244ea1f0df.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Urrou Meu Novilho / Acorda Morena Bela / O Luar Quando Cai
Sonho de Caboclo (Rio Bonito) - Acústico
Urrou Meu Novilho / Acorda Morena Bela / O Luar Quando Cai - Acústico
Um Canto de Amor ao Caprichoso (Ao Vivo)
Cânticos para Nossa Senhora na Voz de David Assayag
Caprichoso 2013 - O Centenário de Uma Paixão (Ao Vivo)
Avassalador É o Amor Caprichoso (Ao Vivo)
Círculo da Vida (Festa da Tribo) (Ao Vivo)
Garantido por Toda Vida (Versão David Assayag)
Concerto Amazônico – ao Vivo no Teatro Amazonas
{"copyright_id":"0x99d5e5b2117aa9a79186c4b7f195b6485f78249ced21521fc62a279ac1475adf","isrc":"BRSME9600468","name":"Vermelho (feat. David Assayag)","registered_at":"2026-06-05T14:06:32Z","spotify_id":"6rp8AF9qugShp8AdkWaE08","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99d5e5b2117aa9a79186c4b7f195b6485f78249ced21521fc62a279ac1475adf. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6rp8AF9qugShp8AdkWaE08.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6rp8AF9qugShp8AdkWaE08.