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 0x62b1cc22bd52795ea72715c051851ef48c9ad2dc41afe1d3def9fa77b0e38b03. 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/9e34c835-a8c0-42c3-b146-7c46a702961e.json and https://artists.proofprofile.net/proofs/artist/9e34c835-a8c0-42c3-b146-7c46a702961e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Pega Descendo Que Subindo É Contramão (Ao Vivo)
{"copyright_id":"0x845262f7cd2d24a483265a041f139db3e8b3fa7921cf96df6ee5ccfc4f9c79fc","isrc":"BRY011700004","name":"O Futuro Lhe Espera - Ao Vivo","registered_at":"2026-06-29T05:03:45Z","spotify_id":"77dfYvoqGeAQwJyHjg9bya","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 0x845262f7cd2d24a483265a041f139db3e8b3fa7921cf96df6ee5ccfc4f9c79fc. 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/77dfYvoqGeAQwJyHjg9bya.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/77dfYvoqGeAQwJyHjg9bya.
Contrato Assinado (feat. Dorgival Dantas)
{"copyright_id":"0x477bcff045b19f4d632f69b6e96b0ea8fe44e77a42a9958f4cbb77e7eb5ef2f4","isrc":"BRF1C1800011","name":"Contrato Assinado (feat. Dorgival Dantas)","registered_at":"2026-06-28T18:41:22Z","spotify_id":"2JbcTGrsFkfCXFN2QqCGII","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x477bcff045b19f4d632f69b6e96b0ea8fe44e77a42a9958f4cbb77e7eb5ef2f4. 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/2JbcTGrsFkfCXFN2QqCGII.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/2JbcTGrsFkfCXFN2QqCGII.
Eu Não Vou Mais Deixar (feat. Dorgival Dantas)
O Nome Dele É Caninana, ao Vivo em Fortaleza
Ao Vivo no Circuito Nordeste de Vaquejada
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe53068fe1dcc3c6653d848587145750e09060629ba253a3f91484db603467058. 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/7pWf58QfbO26wokBOB1ymp.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/7pWf58QfbO26wokBOB1ymp.
Acústico Imaginar: Caninana (Pé de Serra)
{"copyright_id":"0x77ca782f023a30bbfd2eacdfa804f1482effa2d6140a1084df84bf170786b783","isrc":"QZNJZ2124166","name":"Sou Matuto Sim","registered_at":"2026-06-28T18:38:34Z","spotify_id":"4vmP9pNhduGm0Z5rpImBSW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77ca782f023a30bbfd2eacdfa804f1482effa2d6140a1084df84bf170786b783. 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/4vmP9pNhduGm0Z5rpImBSW.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/4vmP9pNhduGm0Z5rpImBSW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x193741b844b7468a8182a13b39aafbbca3740c25d72b5c66f54f56a5db2ded62. 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/7G2nFXPK6NOlN6f5K9A2N7.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/7G2nFXPK6NOlN6f5K9A2N7.
{"copyright_id":"0xe5c5b6b30411070d17f89061be3515c05a5d3fa5286ddf985fb977fa0e837976","isrc":"QZTPX2188459","name":"Vaqueiro de Arquibancada","registered_at":"2026-06-10T04:02:21Z","spotify_id":"6UuW92MGOirjfLZI3xEuvf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5c5b6b30411070d17f89061be3515c05a5d3fa5286ddf985fb977fa0e837976. 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/6UuW92MGOirjfLZI3xEuvf.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/6UuW92MGOirjfLZI3xEuvf.
{"copyright_id":"0xc8f3d840ab645d4ccc1a8a5ce178222df5969f0b1424d36ca433285bbc694a7d","isrc":"QZTPX2188460","name":"Vaquejada Com Virote","registered_at":"2026-06-27T02:41:37Z","spotify_id":"1RXf21Yb4K5KMN2ZbMGwxj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8f3d840ab645d4ccc1a8a5ce178222df5969f0b1424d36ca433285bbc694a7d. 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/1RXf21Yb4K5KMN2ZbMGwxj.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/1RXf21Yb4K5KMN2ZbMGwxj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b5931bbaa86745c473fc9ab9fa94ae0d1135473a8a540bcc7b0935d6701423b. 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/1cvDCSxQg5Vgv3R09dIKQD.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/1cvDCSxQg5Vgv3R09dIKQD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x029d14694c0763809ff20167209ad4f9191dc4343cec7798b2e91a19dde83aba. 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/7oXsgV4qAiXiIM5hGJAGHC.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/7oXsgV4qAiXiIM5hGJAGHC.
{"copyright_id":"0x769eddf67c7689c8db5fa8c4373f6bc110c7167f11096b4e0734d58b6aafffba","isrc":"QZTPX2188464","name":"Só Me Resta Beber","registered_at":"2026-06-09T17:40:50Z","spotify_id":"15VjFyRv0meKQlbqj6njBi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x769eddf67c7689c8db5fa8c4373f6bc110c7167f11096b4e0734d58b6aafffba. 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/15VjFyRv0meKQlbqj6njBi.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/15VjFyRv0meKQlbqj6njBi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea40808283f8dab8505bf3e449dd2e991bedbb8dc92e8c32840951501645e986. 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/6RqN20S82LucK0JCijhAfB.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/6RqN20S82LucK0JCijhAfB.
{"copyright_id":"0x5a19740e8d944e5e4a883b805cb485b2134faa691ff8930e57c7d38d506ca389","isrc":"QZTPX2188466","name":"Mais um Beijo Perdido","registered_at":"2026-06-08T20:27:15Z","spotify_id":"5lWLpLyD2R3MAJvQZuuSH1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a19740e8d944e5e4a883b805cb485b2134faa691ff8930e57c7d38d506ca389. 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/5lWLpLyD2R3MAJvQZuuSH1.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/5lWLpLyD2R3MAJvQZuuSH1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84aa51d8d5455a4f95346406889b4fa2cfc461aa867d12c5d151c0158a7a77d3. 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/4ggjgQPGoay91XXLzl2wYc.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/4ggjgQPGoay91XXLzl2wYc.
{"copyright_id":"0x6c0bc2e31227b0227216bb4143a54cc9d7dfacbe7c11a0d8b22b490124c209c5","isrc":"BR9T62400003","name":"Ressaca de Saudade","registered_at":"2026-06-04T12:01:34Z","spotify_id":"2YXTUXncxoLwtwaFTdVxmD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c0bc2e31227b0227216bb4143a54cc9d7dfacbe7c11a0d8b22b490124c209c5. 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/2YXTUXncxoLwtwaFTdVxmD.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/2YXTUXncxoLwtwaFTdVxmD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2998c4249942edc653a20b47238138e565db054a2209b4cb4f0088c18fb83fda. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/36KXH2wL9hI3N36tEneVeE.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/36KXH2wL9hI3N36tEneVeE.
Não Troco por Nada / Pior Parte / Beijo Foda
{"copyright_id":"0x6c0bc2e31227b0227216bb4143a54cc9d7dfacbe7c11a0d8b22b490124c209c5","isrc":"BR9T62400003","name":"Ressaca de Saudade","registered_at":"2026-06-04T12:01:34Z","spotify_id":"0uedAWuYfIVjjQO2Bs77BG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c0bc2e31227b0227216bb4143a54cc9d7dfacbe7c11a0d8b22b490124c209c5. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0uedAWuYfIVjjQO2Bs77BG.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/0uedAWuYfIVjjQO2Bs77BG.
{"copyright_id":"0x3534299775d395617eb67b9ab0bea765d18c8f6194ab94dfeee3a41672a1d28a","isrc":"BR9T62400024","name":"Te Amei de Verdade","registered_at":"2026-06-05T08:43:19Z","spotify_id":"7njOwJfyypZNwKR9Nstz9T","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3534299775d395617eb67b9ab0bea765d18c8f6194ab94dfeee3a41672a1d28a. 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/7njOwJfyypZNwKR9Nstz9T.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/7njOwJfyypZNwKR9Nstz9T.
{"copyright_id":"0xc269685d446ae7d958d6eb2d779167f2ee599ff95ca35c1751dc9fb19890a1ae","isrc":"BCPAW2200028","name":"Lembrei de Você","registered_at":"2026-06-19T11:32:15Z","spotify_id":"4mF0xKElyxaEdunCBdBBJK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc269685d446ae7d958d6eb2d779167f2ee599ff95ca35c1751dc9fb19890a1ae. 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/4mF0xKElyxaEdunCBdBBJK.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/4mF0xKElyxaEdunCBdBBJK.