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 0x8831e5172bb9f34228a9f883f6a3f6408a837b4194dc58db3ca8bd2366692be6. 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/8ed02720-d82d-4a8a-a182-ad5260589a8a.json and https://artists.proofprofile.net/proofs/artist/8ed02720-d82d-4a8a-a182-ad5260589a8a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xc081e5ff0c3357b57b7f39c15b058cc29c922cd29ba861f1b85dd19cc6ab85a4","isrc":"BX81V2400039","name":"Set da Menorzinha 1.0","registered_at":"2026-06-04T06:45:39Z","spotify_id":"4PIZkFECempgwhCiCGiTjO","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 0xc081e5ff0c3357b57b7f39c15b058cc29c922cd29ba861f1b85dd19cc6ab85a4. 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/4PIZkFECempgwhCiCGiTjO.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/4PIZkFECempgwhCiCGiTjO.
{"copyright_id":"0x97d953bfc44ac63d02c9b7015f1faf5e0efe44b6dc2aed651a35a350da6e9c1b","isrc":"BREY71600001","name":"Essa É a Hora","registered_at":"2026-06-27T02:57:17Z","spotify_id":"7xm2TTPtwhXcYUrViYZVF4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97d953bfc44ac63d02c9b7015f1faf5e0efe44b6dc2aed651a35a350da6e9c1b. 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/7xm2TTPtwhXcYUrViYZVF4.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/7xm2TTPtwhXcYUrViYZVF4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4f306d3230b887db51a3c9844d48a83a0e6551c34630e515c3e9c67c899edec. 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/3jocmxnaiWUSIsn4veJ6xE.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/3jocmxnaiWUSIsn4veJ6xE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2454fcbce02c5feb3c734dda4b6e86a678ad5549113710e0957690686aa9b8d4. 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/3T1OvL7R4kPO4Ac28IuWiQ.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/3T1OvL7R4kPO4Ac28IuWiQ.
{"copyright_id":"0xcba2d844eeee4713dd5a9918b32b17fb701ce9663ebd69edad764d659ba3c909","isrc":"BRUM71500891","name":"Não Se Brinca Com Mulher","registered_at":"2026-06-25T21:13:33Z","spotify_id":"4Ad9VTHUtNeZvLWirLrWSo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcba2d844eeee4713dd5a9918b32b17fb701ce9663ebd69edad764d659ba3c909. 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/4Ad9VTHUtNeZvLWirLrWSo.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/4Ad9VTHUtNeZvLWirLrWSo.
{"copyright_id":"0xe3ad63729ca35d681fe9b357e3a6ca91f11a33e6a9148286abed9f90b2b634da","isrc":"BRUM71500900","name":"Roda Gigante","registered_at":"2026-06-10T04:07:24Z","spotify_id":"4MLVNhCbgInZx0tPpKgQqj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3ad63729ca35d681fe9b357e3a6ca91f11a33e6a9148286abed9f90b2b634da. 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/4MLVNhCbgInZx0tPpKgQqj.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/4MLVNhCbgInZx0tPpKgQqj.
Medley dos Milhões (Resenha Firma É Forte) [Ao Vivo]
Medley dos Milhões (Resenha Firma É Forte) - Ao Vivo
{"copyright_id":"0xd5c443948838c2755a4e2aad023d0b98c91403bba0782ecc4b347b0aa6f91226","isrc":"QZTPX2386598","name":"Vaca Desmamada","registered_at":"2026-06-07T13:38:28Z","spotify_id":"5bEDNnMKyZT0oTcWbtJYUi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5c443948838c2755a4e2aad023d0b98c91403bba0782ecc4b347b0aa6f91226. 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/5bEDNnMKyZT0oTcWbtJYUi.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/5bEDNnMKyZT0oTcWbtJYUi.
{"copyright_id":"0xf5f3516eeb0222faed8a0ac50d518523d912b71a6dfc1bc047bfa690f816a7b9","isrc":"BC3PG2205156","name":"Bota Um Chip 2","registered_at":"2026-06-25T23:57:02Z","spotify_id":"02vqeUzGIHUD33AzWfbicj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5f3516eeb0222faed8a0ac50d518523d912b71a6dfc1bc047bfa690f816a7b9. 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/02vqeUzGIHUD33AzWfbicj.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/02vqeUzGIHUD33AzWfbicj.
Mc G3 & Mc Marcely Acústico (Ao Vivo Roda de Funk)
Mc G3 & Mc Marcely Acústico - Ao Vivo Roda de Funk
{"copyright_id":"0x695b6e6a2579db9967dcdf507315dc1be3e9ba49f9bc329feae35e2f5f8542a1","isrc":"QZNJV2231315","name":"Mc G3 & Mc Marcely Acústico - Ao Vivo Roda de Funk","registered_at":"2026-06-21T06:43:17Z","spotify_id":"5dQNVbTZ8eSolYRB8MNjnP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x695b6e6a2579db9967dcdf507315dc1be3e9ba49f9bc329feae35e2f5f8542a1. 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/5dQNVbTZ8eSolYRB8MNjnP.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/5dQNVbTZ8eSolYRB8MNjnP.
{"copyright_id":"0x2ffe6fe8a49fff1be90f3a1701bad9160a0ffd03bd21dc06e3797510f21e86ef","isrc":"BCSBS2100005","name":"Fé nas Malucas","registered_at":"2026-06-19T11:31:31Z","spotify_id":"4ZrPaK1fneZc2geIKxoptf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ffe6fe8a49fff1be90f3a1701bad9160a0ffd03bd21dc06e3797510f21e86ef. 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/4ZrPaK1fneZc2geIKxoptf.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/4ZrPaK1fneZc2geIKxoptf.
{"copyright_id":"0x540b593f53df5e0bf87d6f572e60fc2a13f5ad1717105f0f442957bc4091138e","isrc":"QZ5AB2147653","name":"Os Problemáticos: Jogo Virou","registered_at":"2026-06-22T01:05:04Z","spotify_id":"0xxnK02OmcWklVOMj2xVbR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x540b593f53df5e0bf87d6f572e60fc2a13f5ad1717105f0f442957bc4091138e. 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/0xxnK02OmcWklVOMj2xVbR.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/0xxnK02OmcWklVOMj2xVbR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cfcb235a93ad03266e786f6db7009b9794134483a0297aa9d7e692ee62a3203. 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/6LssoOEgvQB1506dOCotvv.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/6LssoOEgvQB1506dOCotvv.
{"copyright_id":"0xced596101ef28a25d529c046935ce6b7edfd96057ce39ebf4ba0ef923bec581b","isrc":"QZNJV2062141","name":"Mega ao Vivo","registered_at":"2026-06-11T12:50:40Z","spotify_id":"4FrG6Tigz90qODvyDc08pt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xced596101ef28a25d529c046935ce6b7edfd96057ce39ebf4ba0ef923bec581b. 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/4FrG6Tigz90qODvyDc08pt.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/4FrG6Tigz90qODvyDc08pt.
{"copyright_id":"0x59e946b23152f4d21d71214893bf01a90e2656dcce22b7314880cbcee1ff9cef","isrc":"BRT3O1000043","name":"No Calor da Madrugada (Dennis 2009)","registered_at":"2026-06-11T04:49:29Z","spotify_id":"2YwvjFCptWpfEBtVXKIasj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59e946b23152f4d21d71214893bf01a90e2656dcce22b7314880cbcee1ff9cef. 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/2YwvjFCptWpfEBtVXKIasj.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/2YwvjFCptWpfEBtVXKIasj.
{"copyright_id":"0xb7dbbe519776fc4cc88f2ab7582b51f9efd060ff05db626a25b6d7df1b7a7d08","isrc":"BC6M22407859","name":"QUERO PRA NÓS","registered_at":"2026-06-09T08:32:25Z","spotify_id":"51LcOHrJZA9UpUDdivHX68","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7dbbe519776fc4cc88f2ab7582b51f9efd060ff05db626a25b6d7df1b7a7d08. 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/51LcOHrJZA9UpUDdivHX68.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/51LcOHrJZA9UpUDdivHX68.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe86f5590f243d94e0da4e5154bd9c57b37fb93215cc064b25669358dd00995f3. 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/4KGPyNjbUza4v6RswrBjoB.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/4KGPyNjbUza4v6RswrBjoB.
Baile do Dennis (Ao Vivo) [Deluxe Edition]
{"copyright_id":"0x56e196ad3636970e6ef94f246c74f657c6a14bd43e50d03f324cb014e8aaccd7","isrc":"BRT3O1500042","name":"Bota um Funk Pra Tocar - Ao Vivo","registered_at":"2026-06-11T04:47:24Z","spotify_id":"3YceepMCHK9G4s5O75QFTe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56e196ad3636970e6ef94f246c74f657c6a14bd43e50d03f324cb014e8aaccd7. 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/3YceepMCHK9G4s5O75QFTe.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/3YceepMCHK9G4s5O75QFTe.
Bota um Funk Pra Tocar (feat. MC Marcelly & Nego do Borel) - Ao Vivo
{"copyright_id":"0x56e196ad3636970e6ef94f246c74f657c6a14bd43e50d03f324cb014e8aaccd7","isrc":"BRT3O1500042","name":"Bota um Funk Pra Tocar (feat. MC Marcelly & Nego do Borel) - Ao Vivo","registered_at":"2026-06-11T04:47:24Z","spotify_id":"7dWZQgZEkyQxn9d7KqWvSh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56e196ad3636970e6ef94f246c74f657c6a14bd43e50d03f324cb014e8aaccd7. 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/7dWZQgZEkyQxn9d7KqWvSh.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/7dWZQgZEkyQxn9d7KqWvSh.