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 0x8fcce06f501dc4f67bfc0d765554b8d5a5a06b68251cbb9fbad5f5c46b8d1923. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/89513788-2799-4ea0-a720-b99d1d0d39ca.json and https://artists.proofprofile.net/proofs/artist/89513788-2799-4ea0-a720-b99d1d0d39ca.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Vem pra Ganhar - Tema de Apoio à Seleção de Futebol 2016
{"copyright_id":"0x19048d29f137efadeaed43d208e5776cb0ea6544a285fd8b937fededc98e0c62","isrc":"BXXO72500002","name":"Vícios Rotineiros - Acústico","registered_at":"2026-06-07T15:21:15Z","spotify_id":"6ffvOJ8n9IVLOhUMsp8Sxu","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 0x19048d29f137efadeaed43d208e5776cb0ea6544a285fd8b937fededc98e0c62. 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/6ffvOJ8n9IVLOhUMsp8Sxu.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/6ffvOJ8n9IVLOhUMsp8Sxu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76a32273e20502ab4e3cff4b865c4ee28804b1f367dc5fab06f6679996730d77. 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/6Md9weiYttJRcvT3fB1Ml2.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/6Md9weiYttJRcvT3fB1Ml2.
Assino Com x - Roupa de lua de mel - Acústico
{"copyright_id":"0x0513a20c060e256cd48f18f19e0add2e84267a25e4ec92f6aaec8c321debf532","isrc":"BXXO72500004","name":"Assino Com x - Roupa de lua de mel - Acústico","registered_at":"2026-06-09T20:20:28Z","spotify_id":"3jbkRKcZ8M0WIfywY19aVV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0513a20c060e256cd48f18f19e0add2e84267a25e4ec92f6aaec8c321debf532. 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/3jbkRKcZ8M0WIfywY19aVV.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/3jbkRKcZ8M0WIfywY19aVV.
Gruda em Mim - Amores São Coisas Da Vida - Acústico
{"copyright_id":"0xb8ea230806ed0c91979fed54a40c9c64cc51fcc4fd31d0fc01f0bc3034191d8f","isrc":"BXXO72500005","name":"Gruda em Mim - Amores São Coisas Da Vida - Acústico","registered_at":"2026-06-21T09:10:15Z","spotify_id":"2GB1jB3ejDPo3XFWqxlUeR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8ea230806ed0c91979fed54a40c9c64cc51fcc4fd31d0fc01f0bc3034191d8f. 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/2GB1jB3ejDPo3XFWqxlUeR.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/2GB1jB3ejDPo3XFWqxlUeR.
Credo em Cruz - Paixão de peão - Acústico
Não Precisa Perdão - Como Esquecer um Amor - Acústico
{"copyright_id":"0xa573154bb2481d635afc37a8841fc66c407bb96425ae7474560faeb642b6fa1b","isrc":"BXXO72500008","name":"Não Precisa Perdão - Como Esquecer um Amor - Acústico","registered_at":"2026-06-27T14:27:43Z","spotify_id":"6u8q34xn2MDReOvDMCZAVn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa573154bb2481d635afc37a8841fc66c407bb96425ae7474560faeb642b6fa1b. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6u8q34xn2MDReOvDMCZAVn.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/6u8q34xn2MDReOvDMCZAVn.
Frente a Frente - Não vivo sem você - Acústico
Brigue Comigo Mais Não Vá - Borbulhas de amor - Acústico
Amor demais - Pedaço de Minha Vida - Acústico
Mil Loucuras de Amor - Pra Não Morrer De Amor - Acústico
Paredes Azuis - Se Você Quiser Voltar - Acústico
São Tantas Coisas - A Culpa é Sua - Acústico
Um Bom Perdedor - Frio da solidão - Acústico
Você Não Sabe Amar - Taça de Pranto - Acústico
Hoje Eu Posso Chorar - Ciúme Exagerado - Acústico
{"copyright_id":"0x86fde0a9741960c8a063f0785905260676bd5c21b690fb0070e65471d888bf16","isrc":"BXXO72500017","name":"Hoje Eu Posso Chorar - Ciúme Exagerado - Acústico","registered_at":"2026-06-21T09:16:04Z","spotify_id":"6axmEwNVVRAzyEPmev72Zc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86fde0a9741960c8a063f0785905260676bd5c21b690fb0070e65471d888bf16. 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/6axmEwNVVRAzyEPmev72Zc.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/6axmEwNVVRAzyEPmev72Zc.