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 0xebb0addcfcd2a2397ded397ab539d59140b04eb8fd168567d7cfe4ebe5bab1b4. 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/d12146b3-0898-496d-bfaf-3a3580a92fca.json and https://artists.proofprofile.net/proofs/artist/d12146b3-0898-496d-bfaf-3a3580a92fca.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
MONTAGEM - MELODIA ENVOLVENTE 4 (Remixes)
{"copyright_id":"0xa6e6f9c270d45b14b3223fc9b7a8cc40317d61e56753d848fbfcce6655932841","isrc":"QM3DF2157380","name":"MONTAGEM - MELODIA ENVOLVENTE 4","registered_at":"2026-06-01T17:29:42Z","spotify_id":"0dQZTgDVjsQfrp7VCTQqYm","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 0xa6e6f9c270d45b14b3223fc9b7a8cc40317d61e56753d848fbfcce6655932841. 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/0dQZTgDVjsQfrp7VCTQqYm.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/0dQZTgDVjsQfrp7VCTQqYm.
{"copyright_id":"0x8c2a9fe23612d4cd023f5d13f48b9cb8c0631503fd0938451228fffdcbc480a4","isrc":"ESA112306418","name":"Automotivo - Ritmo Envolvente","registered_at":"2026-06-07T00:26:12Z","spotify_id":"06vOavzMnf47umlu2iad64","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c2a9fe23612d4cd023f5d13f48b9cb8c0631503fd0938451228fffdcbc480a4. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/06vOavzMnf47umlu2iad64.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/06vOavzMnf47umlu2iad64.
{"copyright_id":"0xebef46077d84154b7a3cfe75bd38f229018c2758dae7862754fc18e81ee4537d","isrc":"ESA112306495","name":"Automotivo Teoria da Branca de Neve","registered_at":"2026-06-19T12:33:03Z","spotify_id":"7hPrhudjsZ6QrPCCvBkXS9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebef46077d84154b7a3cfe75bd38f229018c2758dae7862754fc18e81ee4537d. 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/7hPrhudjsZ6QrPCCvBkXS9.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/7hPrhudjsZ6QrPCCvBkXS9.
Automotivo Ritmado 2.0 (feat. 3 TENORES)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d3b2aa846546da3722399487997c8f2321d282aa7e736afe97168967bd6423a. 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/0oAzGMX2sHGKKpCVViWoPq.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/0oAzGMX2sHGKKpCVViWoPq.
Igual Eu Toco Guitarra [Versão RJ] (feat. DJ Dudah)
{"copyright_id":"0x20a1a5ba350534549e1b7d33c6c84cd2a19ca777842ac069fcc770a005f9082f","isrc":"ESA112434104","name":"Igual Eu Toco Guitarra [Versão RJ] (feat. DJ Dudah)","registered_at":"2026-06-20T21:55:48Z","spotify_id":"3N8nU0MTfgxbHx9OaNyR0m","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20a1a5ba350534549e1b7d33c6c84cd2a19ca777842ac069fcc770a005f9082f. 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/3N8nU0MTfgxbHx9OaNyR0m.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/3N8nU0MTfgxbHx9OaNyR0m.
{"copyright_id":"0xa56be92af313689b94ce7d4e1fbc8896fd2fba181178ba34a6cd516c21eac796","isrc":"ESA112426716","name":"Automotivo Luz do Luar","registered_at":"2026-06-11T10:00:52Z","spotify_id":"16d9tkE3sleCR22G7fU58Y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa56be92af313689b94ce7d4e1fbc8896fd2fba181178ba34a6cd516c21eac796. 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/16d9tkE3sleCR22G7fU58Y.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/16d9tkE3sleCR22G7fU58Y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x387d802895fe2c529f193008c44887217624ed8ab830d9ae74646f63d79e65a0. 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/6axsqD3fJjPDELI7Wgztzp.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/6axsqD3fJjPDELI7Wgztzp.
{"copyright_id":"0xec511c366df71b3096f0b1454a0a4110ca8fb7dade8198fa00ee7412f6ec6252","isrc":"ESA112307082","name":"Automotivo Intimidador","registered_at":"2026-06-10T04:03:22Z","spotify_id":"5JqgeSzKYYvHq0ZE7cNHYO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec511c366df71b3096f0b1454a0a4110ca8fb7dade8198fa00ee7412f6ec6252. 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/5JqgeSzKYYvHq0ZE7cNHYO.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/5JqgeSzKYYvHq0ZE7cNHYO.
Então Vou Jogando, Jogando pros Faixa Preta
{"copyright_id":"0x75d6d2a6a5e44f9ae147fd1e7bdfa41a9b0e71671f10f357e5716a80132e0436","isrc":"ESA112306417","name":"Então Vou Jogando, Jogando pros Faixa Preta","registered_at":"2026-06-18T16:06:54Z","spotify_id":"0lUs9NCbLXxNQxlcJFIxS2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75d6d2a6a5e44f9ae147fd1e7bdfa41a9b0e71671f10f357e5716a80132e0436. 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/0lUs9NCbLXxNQxlcJFIxS2.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/0lUs9NCbLXxNQxlcJFIxS2.
Automotivo Ding Din Ding Din - Joga o Bumbum em Mim
{"copyright_id":"0xe29d526dc59942d305acaa0a95796c05765216d13649accc80cb627945409107","isrc":"ESA112307337","name":"Automotivo Ding Din Ding Din - Joga o Bumbum em Mim","registered_at":"2026-06-25T08:29:32Z","spotify_id":"6r8VbDsG9Fpyb7x33bEPER","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe29d526dc59942d305acaa0a95796c05765216d13649accc80cb627945409107. 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/6r8VbDsG9Fpyb7x33bEPER.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/6r8VbDsG9Fpyb7x33bEPER.
Automotivo Astronômico 2.0 (feat. MC Thaizinha)
{"copyright_id":"0x87d396a3ec40ec23d375348809567d4f824a2972c084cff7fe245c8c1b831818","isrc":"ESA112323766","name":"Automotivo Astronômico 2.0 (feat. MC Thaizinha)","registered_at":"2026-06-20T21:59:26Z","spotify_id":"7bFCMbiXsznUlcr76EZNt7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87d396a3ec40ec23d375348809567d4f824a2972c084cff7fe245c8c1b831818. 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/7bFCMbiXsznUlcr76EZNt7.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/7bFCMbiXsznUlcr76EZNt7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9020597c0886d18ad1c0580e76a53de58958d6ade4c482c435c506eee783092. 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/4jvqM7gBFky4xLnsAdAsZr.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/4jvqM7gBFky4xLnsAdAsZr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0850b970cfd968260773c610d3446c2dad625e91a708035862502d3bbbc8891. 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/12yw4NoGXi48c3xpHTqzCD.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/12yw4NoGXi48c3xpHTqzCD.
{"copyright_id":"0xe5c91b8cfab1a4ebe3bbd7abb9026c73aab7f466f28e901313cda1807bbb703c","isrc":"BKHZ02500001","name":"Mulher Não Trai, Mulher Se Vinga","registered_at":"2026-06-05T06:22:37Z","spotify_id":"4wgUaBjTsw8dcs1lmpwiUy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5c91b8cfab1a4ebe3bbd7abb9026c73aab7f466f28e901313cda1807bbb703c. 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/4wgUaBjTsw8dcs1lmpwiUy.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/4wgUaBjTsw8dcs1lmpwiUy.
{"copyright_id":"0xfae61d8b5f40cee3618360dac266f39cc9d401e3f05a5a41ff3237f0df9fdc94","isrc":"QZEQU2251808","name":"Eu Vou Tacar, Eu Vou Ralar","registered_at":"2026-06-24T13:09:39Z","spotify_id":"2ttPmA26MCuGmknm2OuyPb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfae61d8b5f40cee3618360dac266f39cc9d401e3f05a5a41ff3237f0df9fdc94. 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/2ttPmA26MCuGmknm2OuyPb.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/2ttPmA26MCuGmknm2OuyPb.