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 0x340db8bf8629569f20ae3538824782c9de1a16a1ae36fc914b5a66f6aeb48953. 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/229fc419-1eac-499e-aa8f-fb4a8ecb0b23.json and https://artists.proofprofile.net/proofs/artist/229fc419-1eac-499e-aa8f-fb4a8ecb0b23.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x6c0222fc60b5d3cd447d87a42973ee4ee0ff43f9829a550f1086f01c3ec9b32c","isrc":"BREMI9900018","name":"Farol Das Estrelas","registered_at":"2026-06-20T06:29:46Z","spotify_id":"10kGtlkZ5pLtd6eb3sVQPj","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 0x6c0222fc60b5d3cd447d87a42973ee4ee0ff43f9829a550f1086f01c3ec9b32c. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/10kGtlkZ5pLtd6eb3sVQPj.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/10kGtlkZ5pLtd6eb3sVQPj.
Soweto no Estúdio Showlivre (Acústico) [Ao Vivo]
Tempo de Aprender / Momentos (Acústico) - Ao Vivo
Antes de Dizer Adeus (Acústico) - Ao Vivo
Pura Solidão / Vento dos Areais - Ao Vivo
Antes de Dizer Adeus / Momentos / Búzios e Tarô - Ao Vivo
Eu Me Apaixonei pela Pessoa Errada / Sorria / É Tarde Demais - Ao Vivo
Tudo Fica Blue / Boa Sorte / Não Foi à Toa / Farol das Estrelas - Ao Vivo
Refém do Coração / Negra Angela / Mundo de Oz - Ao Vivo
Deixa Acontecer / Que Situação / Cheia de Manias - Ao Vivo
Maçã do Amor / Preciso Te Amar / Derê - Ao Vivo
Rachadinho / Estrela da Paz / Rodo Cotidiano - Ao Vivo
{"copyright_id":"0x4ebbbb9293a44b2480f867305fed3ed84516a4573c6bc2a2f7ea68caaf038432","isrc":"BREMI9700456","name":"Refém Do Coração","registered_at":"2026-06-18T01:10:06Z","spotify_id":"6lpg2lRIwkAGqL2r9uOcZD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ebbbb9293a44b2480f867305fed3ed84516a4573c6bc2a2f7ea68caaf038432. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6lpg2lRIwkAGqL2r9uOcZD.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/6lpg2lRIwkAGqL2r9uOcZD.
{"copyright_id":"0x6c0222fc60b5d3cd447d87a42973ee4ee0ff43f9829a550f1086f01c3ec9b32c","isrc":"BREMI9900018","name":"Farol Das Estrelas","registered_at":"2026-06-20T06:29:46Z","spotify_id":"0s784KxPP2TPWxRzb4kOGK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c0222fc60b5d3cd447d87a42973ee4ee0ff43f9829a550f1086f01c3ec9b32c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0s784KxPP2TPWxRzb4kOGK.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/0s784KxPP2TPWxRzb4kOGK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ffe3ed4dd5aa6e571ffa814d423df1d0488bfb8979569e3160e557409fca601. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7FoCyrhWna0xKwq3Kgw0Qp.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/7FoCyrhWna0xKwq3Kgw0Qp.
{"copyright_id":"0x6c0222fc60b5d3cd447d87a42973ee4ee0ff43f9829a550f1086f01c3ec9b32c","isrc":"BREMI9900018","name":"Farol Das Estrelas","registered_at":"2026-06-20T06:29:46Z","spotify_id":"3F7gTmqByztKXSUYxHq53J","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c0222fc60b5d3cd447d87a42973ee4ee0ff43f9829a550f1086f01c3ec9b32c. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3F7gTmqByztKXSUYxHq53J.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/3F7gTmqByztKXSUYxHq53J.
Menja Bé, Caga Fort I Enriu-te'n de la Mort
{"copyright_id":"0x72374ed8d4a86105f0e9eb3039911fb4994d7015524be7c0f019090e20607c92","isrc":"ES14A2007662","name":"Menja Bé, Caga Fort I Enriu-te'n de la Mort","registered_at":"2026-06-23T14:08:38Z","spotify_id":"6bJjAc5U9qepvhLXPChHab","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72374ed8d4a86105f0e9eb3039911fb4994d7015524be7c0f019090e20607c92. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6bJjAc5U9qepvhLXPChHab.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/6bJjAc5U9qepvhLXPChHab.