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 0x2d9d814e861cfab1e468507f7db17029426b6c939ddce2b805266eba4eb3f8e2. 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/af09252e-3c72-45a1-8dec-fde97c7753be.json and https://artists.proofprofile.net/proofs/artist/af09252e-3c72-45a1-8dec-fde97c7753be.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x88dcc9ef863056d9965e609eee9ce8713db8fbe519723b87cb252e39718fe30f","isrc":"BCE7P2402677","name":"Aqui na Nova Holanda","registered_at":"2026-06-25T14:27:06Z","spotify_id":"79dGzjh2kOWVlJ6VmFT2tC","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 0x88dcc9ef863056d9965e609eee9ce8713db8fbe519723b87cb252e39718fe30f. 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/79dGzjh2kOWVlJ6VmFT2tC.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/79dGzjh2kOWVlJ6VmFT2tC.
{"copyright_id":"0x5dfe17e85c7df87e90958cd9e24a3331c7e76c604fc63fa3be692dde59abfc84","isrc":"BCB4F2500421","name":"Ritual Oculto","registered_at":"2026-06-25T06:57:44Z","spotify_id":"1ATdDQBc0OmhF5FZu73cDs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dfe17e85c7df87e90958cd9e24a3331c7e76c604fc63fa3be692dde59abfc84. 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/1ATdDQBc0OmhF5FZu73cDs.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/1ATdDQBc0OmhF5FZu73cDs.
Piquezin da Marquetada (Slowed + Reverb)
Piquezin da Marquetada - Slowed + Reverb
{"copyright_id":"0xe83fd4c5d5d8dca450ebc00466438120185ceaae65b96c068b79a61a81969804","isrc":"ESA112564966","name":"Piquezin da Marquetada","registered_at":"2026-06-04T12:00:26Z","spotify_id":"2NworqqYO32THXel5AffgE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe83fd4c5d5d8dca450ebc00466438120185ceaae65b96c068b79a61a81969804. 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/2NworqqYO32THXel5AffgE.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/2NworqqYO32THXel5AffgE.
Ela Vira Mortal 5 (Super Slowed + Reverb)
Ta de Castigo Ta de Dieta - Gordinha Sapeca
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1228432437438447327e403a59427a87b1096df27d6c3ee09ef1da64d66aa39f. 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/5vupxozuUprEOxf7BT9xXS.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/5vupxozuUprEOxf7BT9xXS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5470129573b953a089d8138c9721d27e5d524fac68f5e51d71eea4680f9785dd. 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/7doAL3AJu7bCBCQTbvBw42.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/7doAL3AJu7bCBCQTbvBw42.
{"copyright_id":"0x3c1b53210b81c8c2f668deb3c67ebe73bd2ec2dfe37d00a40bbe6c4de7180195","isrc":"QM4TX2565335","name":"MELODIA DA MORTE - SLOWED + REVERB","registered_at":"2026-06-06T21:12:59Z","spotify_id":"4dSZjgNrQBdUnt17f1UrZY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c1b53210b81c8c2f668deb3c67ebe73bd2ec2dfe37d00a40bbe6c4de7180195. 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/4dSZjgNrQBdUnt17f1UrZY.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/4dSZjgNrQBdUnt17f1UrZY.
{"copyright_id":"0x1fca24b884b19ee431a7154caf522c199fb10d7d91c2f547c8830ecff8fec1c4","isrc":"QM4TX2565336","name":"MELODIA DA MORTE - SPED UP","registered_at":"2026-06-09T13:43:21Z","spotify_id":"7oSITyDn4XCJVKNCxo8EAQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fca24b884b19ee431a7154caf522c199fb10d7d91c2f547c8830ecff8fec1c4. 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/7oSITyDn4XCJVKNCxo8EAQ.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/7oSITyDn4XCJVKNCxo8EAQ.
MELODIA DA MORTE - ULTRA SLOWED + REVERB
{"copyright_id":"0x72c8927fa7cec8ae4f9b0e064c6af35468b5de5fae3fd1f4ba94aeb7a8e81fde","isrc":"QM4TX2565337","name":"MELODIA DA MORTE - ULTRA SLOWED + REVERB","registered_at":"2026-06-07T05:08:44Z","spotify_id":"2T7qyRBCmoGEECoQVyER5r","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72c8927fa7cec8ae4f9b0e064c6af35468b5de5fae3fd1f4ba94aeb7a8e81fde. 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/2T7qyRBCmoGEECoQVyER5r.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/2T7qyRBCmoGEECoQVyER5r.
{"copyright_id":"0x4c020d0b92d240d3a533c943eac7e60be0af90f84777bcd9647ebf3d99ac5327","isrc":"ESA112561507","name":"Beat Psychedelic","registered_at":"2026-06-09T16:02:30Z","spotify_id":"6FpUky91wPVY83HLQjEbNy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c020d0b92d240d3a533c943eac7e60be0af90f84777bcd9647ebf3d99ac5327. 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/6FpUky91wPVY83HLQjEbNy.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/6FpUky91wPVY83HLQjEbNy.
{"copyright_id":"0x0cbe6096976ebe1f4dc5b7328d23c1cb8bfd0b0539c8d9cf9ccdc2c93e3a8bed","isrc":"ESA112560073","name":"Rock do Roça Funk","registered_at":"2026-06-01T13:53:37Z","spotify_id":"6BKf7AYlGEXC2vZ85tMCbt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cbe6096976ebe1f4dc5b7328d23c1cb8bfd0b0539c8d9cf9ccdc2c93e3a8bed. 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/6BKf7AYlGEXC2vZ85tMCbt.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/6BKf7AYlGEXC2vZ85tMCbt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04483740ac28b3246e76c70d173b847e979589750e212107125e392f1b361468. 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/4Y8MfULfjsPOfIEjPXEIsJ.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/4Y8MfULfjsPOfIEjPXEIsJ.
{"copyright_id":"0x6610a275f2dfe5e34e80f6ed45224ebe652498978857cbc1cdc963f8464b59e7","isrc":"ESA112560075","name":"Rock do Roça Funk [Super Slowed]","registered_at":"2026-06-05T07:51:38Z","spotify_id":"4Q6GgVQ6p7kSPRsYM8KnUz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6610a275f2dfe5e34e80f6ed45224ebe652498978857cbc1cdc963f8464b59e7. 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/4Q6GgVQ6p7kSPRsYM8KnUz.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/4Q6GgVQ6p7kSPRsYM8KnUz.
{"copyright_id":"0x675a58da40d3bc41b4a4dad9386eb82a55feffb3e73a317988aba1fc40725d40","isrc":"ESA112560076","name":"Rock so Roça Funk [Speed Up]","registered_at":"2026-06-07T12:23:24Z","spotify_id":"1p4nxPFSE47t3BQ5XV84nA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x675a58da40d3bc41b4a4dad9386eb82a55feffb3e73a317988aba1fc40725d40. 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/1p4nxPFSE47t3BQ5XV84nA.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/1p4nxPFSE47t3BQ5XV84nA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc2dfb2ced807329ee9e68ed33a56302e644752ffe907d11a60243674d93297e. 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/4Hy1yV0mIweFDc8qeeVyhS.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/4Hy1yV0mIweFDc8qeeVyhS.
{"copyright_id":"0x15bae0bed0fda64b759060b419190cc6bcba9954dd10f3b48e244ab8207d6d08","isrc":"ESA112560078","name":"Rock Do Roça Funk [Mega Slowed]","registered_at":"2026-06-07T05:43:06Z","spotify_id":"4ezKXPbnWiZ15bzrhVNEA4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15bae0bed0fda64b759060b419190cc6bcba9954dd10f3b48e244ab8207d6d08. 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/4ezKXPbnWiZ15bzrhVNEA4.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/4ezKXPbnWiZ15bzrhVNEA4.
Vira Mortal na Piroca Vs Acrobacia no Piru
{"copyright_id":"0x454a68ec7e2c388d2449c360adf49cdb8575719eb7a88c3c7a7cd7c25d6300c5","isrc":"QZHZ62299984","name":"Vira Mortal na Piroca Vs Acrobacia no Piru","registered_at":"2026-06-04T10:06:21Z","spotify_id":"6Z5vwRpGP8M3SpHcdgMUd8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x454a68ec7e2c388d2449c360adf49cdb8575719eb7a88c3c7a7cd7c25d6300c5. 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/6Z5vwRpGP8M3SpHcdgMUd8.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/6Z5vwRpGP8M3SpHcdgMUd8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc282c3808879358521a42c5f69e8e1a3dbfa62668287424c45d9e54eb396954b. 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/5GMBPVnT9bOgGjsKNvdz5m.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/5GMBPVnT9bOgGjsKNvdz5m.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x603e0bc112929dd6a3d78bd906e241a403c7e1c145610a6a68365c4092e015d9. 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/3Rtw6aL6wS6xQ675L8f3X6.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/3Rtw6aL6wS6xQ675L8f3X6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x750d12ed8f9dd4766a9106982b808af4cf55f649e290a94a690407d7186dc1b5. 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/19K80JVHaWHmqjmfoq49Tc.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/19K80JVHaWHmqjmfoq49Tc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x724bc10d5291d166216a8e79b1a7ede1359bcb7455208788d49a3f6611b99a59. 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/4A5dTX2UljoSMa4uJI2MRJ.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/4A5dTX2UljoSMa4uJI2MRJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b454124415da9cbc3f1073396fe8083bfc99180507b3d08bf01daba1d48173c. 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/6CiPiNFFZvGIjLJe0ZF2g5.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/6CiPiNFFZvGIjLJe0ZF2g5.
{"copyright_id":"0xc3a8384677b4bba6240b41cb3e0eb4fa53e2dccdb6350e482b2e5494b0adfcca","isrc":"QZGLM2424497","name":"Beat Muito Burro","registered_at":"2026-06-08T09:56:19Z","spotify_id":"5zHsFxICJydt1S4ESik6Ks","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3a8384677b4bba6240b41cb3e0eb4fa53e2dccdb6350e482b2e5494b0adfcca. 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/5zHsFxICJydt1S4ESik6Ks.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/5zHsFxICJydt1S4ESik6Ks.
{"copyright_id":"0x909144f8bbbc00cfe57a0b8e2b43313865f8e3faa0acdafaf62a4968b171188f","isrc":"QZTPX2488309","name":"A Bomba de Lich","registered_at":"2026-06-20T02:09:18Z","spotify_id":"0014hEpQTth79V5REcEUrH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x909144f8bbbc00cfe57a0b8e2b43313865f8e3faa0acdafaf62a4968b171188f. 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/0014hEpQTth79V5REcEUrH.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/0014hEpQTth79V5REcEUrH.
Phonk Automotivo Blindado - Slowed & Reverb
Phonk Automotivo Blindado (Slowed & Reverb)
{"copyright_id":"0xf7a864e3252c8d1379bcdfc7e26fca13486f0e4ef5c64e63e2d6eae44b9139b8","isrc":"BC3PG2304984","name":"Phonk Automotivo Blindado - Slowed & Reverb","registered_at":"2026-06-04T15:02:09Z","spotify_id":"3nHdnaZXz5OZeBgSB9Jfje","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7a864e3252c8d1379bcdfc7e26fca13486f0e4ef5c64e63e2d6eae44b9139b8. 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/3nHdnaZXz5OZeBgSB9Jfje.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/3nHdnaZXz5OZeBgSB9Jfje.
Eu Te Amo Eu Juro (feat. MC Vitinho 011)