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 0x4abb5661b116699ece5a596c921172586e33f446703efbba0f43375550214a43. 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/433f061f-f72b-407b-9e29-6671102ac7ec.json and https://artists.proofprofile.net/proofs/artist/433f061f-f72b-407b-9e29-6671102ac7ec.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x99f49aa233f3ec72f118ebdc96a5883ca3df0d9ee4f7fe552599ed8490aa3507","isrc":"BREMI8900178","name":"Nossa Estrela","registered_at":"2026-06-29T14:50:35Z","spotify_id":"1cjDJMDgt3MctH21bpclNq","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 0x99f49aa233f3ec72f118ebdc96a5883ca3df0d9ee4f7fe552599ed8490aa3507. 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/1cjDJMDgt3MctH21bpclNq.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/1cjDJMDgt3MctH21bpclNq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe75e981d85dd25bf25e04bc96662b24cd0c1373e7d5602ad8442f00cba3aec77. 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/5F7YSHtFTQTZNeyeZtoHly.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/5F7YSHtFTQTZNeyeZtoHly.
{"copyright_id":"0xe9b3ab53bf8bc70c06cd06ebbdb334196d64de5f1617ac98df2c3f194a2e5df7","isrc":"BREMI8900079","name":"Quem Ama Perdoa","registered_at":"2026-06-29T14:43:23Z","spotify_id":"2odJHTzNVxHBtkr57lN1r9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9b3ab53bf8bc70c06cd06ebbdb334196d64de5f1617ac98df2c3f194a2e5df7. 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/2odJHTzNVxHBtkr57lN1r9.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/2odJHTzNVxHBtkr57lN1r9.
{"copyright_id":"0xec063ded38c2ce05ef29f47d5d563e8b1e2f9d5da645346c8ac91aa4aa0b2a85","isrc":"BREMI8900077","name":"Aprendiz Do Amor","registered_at":"2026-06-29T14:46:33Z","spotify_id":"0h5GTDkV9Zh7XTM4JesSQw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec063ded38c2ce05ef29f47d5d563e8b1e2f9d5da645346c8ac91aa4aa0b2a85. 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/0h5GTDkV9Zh7XTM4JesSQw.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/0h5GTDkV9Zh7XTM4JesSQw.
A Dois Graus / Música Incidental: I Can't Stop Loving You
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5def831442178543de92d61effd4574fcc2b665528ae6966d88f0f58b4afc1c5. 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/3rgptNCAfMCC3xL72Y6d34.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/3rgptNCAfMCC3xL72Y6d34.
Moreninha Linda / Cabelo Loiro / Baile na Roça
Grandes Sucessos: Músicas Inesquecíveis (Remasterizado)
A Noite Mais Feliz da Vida - Remasterizado
Liguei pra Dizer Que Te Amo - Remasterizado
Canção de um Noite de Amor - Remasterizado
Os Homens Não Devem Chorar - Remasterizado
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a7ba0981e6b12b641fd4360ae379ca2acbc7e88a13178ab00b4e92d4db792b2. 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/03a620rWzIIZkdMrTyvPqt.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/03a620rWzIIZkdMrTyvPqt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c7bb572efc04433b801dd6f317c08f02520b4d951a2e35d20dab7f2e925d420. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7wKw6sErpvYl6EAP2cQG4U.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/7wKw6sErpvYl6EAP2cQG4U.
{"copyright_id":"0xea4cf74051e76e87d358a6f850f80ceeb51f46b4f589c18f3642d029552dd905","isrc":"QZHZ52148277","name":"Essa Noite Foi Maravilhosa","registered_at":"2026-06-05T04:37:42Z","spotify_id":"13AUS8Dk286ozobXMdlnVt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea4cf74051e76e87d358a6f850f80ceeb51f46b4f589c18f3642d029552dd905. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/13AUS8Dk286ozobXMdlnVt.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/13AUS8Dk286ozobXMdlnVt.
{"copyright_id":"0xfb7bc5c0fc046b7b7c1044d3f0fff4333d96fe2266656c5ce350bb0db4efda40","isrc":"QZHZ52148279","name":"De Quem É o Carro Branco","registered_at":"2026-06-21T02:54:09Z","spotify_id":"4bjrsgnIw8A4UanjQes7bh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb7bc5c0fc046b7b7c1044d3f0fff4333d96fe2266656c5ce350bb0db4efda40. 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/4bjrsgnIw8A4UanjQes7bh.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/4bjrsgnIw8A4UanjQes7bh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x392f6930d753d93566ddf90fdf79877ec4ba7fcf7773fbf6c7782e8efee7b35c. 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/1tZgZCphxOGWvPXhR3aPay.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/1tZgZCphxOGWvPXhR3aPay.
Parabéns Amor / Dois Passarinhos (Pra Sempre)
Aprendiz do Amor / Meu Companheiro (Pra Sempre)
Do Outro Lado da Cidade / Tribunal do Amor (Pra Sempre)
Alan & Aladim pra Sempre (30 Min de Modão)
Vá pro Inferno Com Seu Amor / Canção de um Amor Distante
Pra Sempre (Acústico na Unha, por Alan & Aladim)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc216fdbf2b2a3984b5a518d9fac61be7f476c00b6212af35f828cb37a59948e6. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3mt5xjqlItPl1VNex3WTP3.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/3mt5xjqlItPl1VNex3WTP3.