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 0xa0ab1cd9eb66d86429c4afd106041bf05b99682ded542c6b515fefa925f95b91. 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/b25bc437-60a8-40b9-af8a-64a02f684ca4.json and https://artists.proofprofile.net/proofs/artist/b25bc437-60a8-40b9-af8a-64a02f684ca4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x826756dad8eaa3b138369ec8342eb18a1ff2670ee1057aa96bebf535ee195244","isrc":"BCE7P2302693","name":"Baby Eu Tava na Rua da Água","registered_at":"2026-06-01T09:59:29Z","spotify_id":"4sAoshwHCmh4IHMQxZHwRD","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 0x826756dad8eaa3b138369ec8342eb18a1ff2670ee1057aa96bebf535ee195244. 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/4sAoshwHCmh4IHMQxZHwRD.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/4sAoshwHCmh4IHMQxZHwRD.
{"copyright_id":"0xde1e38545b8f332b983a08d3ad4bcd5c7c94c5ca10340970fe39b955fc7de873","isrc":"BCE7P2400339","name":"2 Iphone","registered_at":"2026-06-23T14:19:43Z","spotify_id":"4drDAEBUNTRUIfgMZDpEPt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde1e38545b8f332b983a08d3ad4bcd5c7c94c5ca10340970fe39b955fc7de873. 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/4drDAEBUNTRUIfgMZDpEPt.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/4drDAEBUNTRUIfgMZDpEPt.
BR Phonk - Cima Pra Baixo (Slowed + Reverb)
Phonk Diz Ai Qual É O Plano (Slowed + Reverb)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7b6ec7d322fc755f86a35ae34486590da6433eb129d86f0bfd40d2d006ae5d4. 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/6AysYC4ZscVpKTmlc073wZ.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/6AysYC4ZscVpKTmlc073wZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c82391186e9f10a0f79f4cb6f7ce892fe931856c241bec52ac31f3d255afd30. 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/2A7a8OhWxBSrhpTunZgrIb.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/2A7a8OhWxBSrhpTunZgrIb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x991ed247ccc61496daf85b45833f747fab046e1e4c2c09780f023d31ca8e1470. 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/2n8zlJioqSYG1Evb5317ah.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/2n8zlJioqSYG1Evb5317ah.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08ba72e1eabe508c683ff5946cb54ac4e414e7aa0a17be60faa96bfa4de24846. 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/2p9Bdz1k8cx1G3jAVPEWbd.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/2p9Bdz1k8cx1G3jAVPEWbd.
{"copyright_id":"0x522fc3ba8b862d31b1de83a8c7e7b6be5518ec8895c8d1d6d690037b0309504a","isrc":"BCE7P2300393","name":"Fabrica de Bico","registered_at":"2026-06-04T12:29:27Z","spotify_id":"7eqXj0Rc3EpHfQAEKLCZhU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x522fc3ba8b862d31b1de83a8c7e7b6be5518ec8895c8d1d6d690037b0309504a. 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/7eqXj0Rc3EpHfQAEKLCZhU.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/7eqXj0Rc3EpHfQAEKLCZhU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde00634b6b5a2c3f6d2a933c9052816691b5be44839297a2084e689252313429. 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/0viUAzHPsxwaK5M1GA84Yg.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/0viUAzHPsxwaK5M1GA84Yg.
{"copyright_id":"0x6d92094333fd7bc5f86b7e4bccfee0e341d5bbe94b82e58ed769aee296242a2e","isrc":"BCE7P2300377","name":"Amor só de Mãe","registered_at":"2026-06-05T12:38:39Z","spotify_id":"6T25qSWKAmZXNTfdQH4FTz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d92094333fd7bc5f86b7e4bccfee0e341d5bbe94b82e58ed769aee296242a2e. 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/6T25qSWKAmZXNTfdQH4FTz.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/6T25qSWKAmZXNTfdQH4FTz.
{"copyright_id":"0x4994b5b78193ed30c5c4f0d215feb2fcc02d94affa5cf503161a44dce1d98653","isrc":"BCE7P2300394","name":"Lança com Docinho","registered_at":"2026-06-09T08:26:37Z","spotify_id":"0NxjYVnyeaXdXTflTslCZR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4994b5b78193ed30c5c4f0d215feb2fcc02d94affa5cf503161a44dce1d98653. 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/0NxjYVnyeaXdXTflTslCZR.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/0NxjYVnyeaXdXTflTslCZR.
{"copyright_id":"0x28fc7ccc4c338e922bdb72cefa9d840ec3accc2321b1c4e03f0a4dfd4282eab9","isrc":"BCE7P2300376","name":"Águas Limpas e Águas Sujas","registered_at":"2026-06-07T13:43:43Z","spotify_id":"4lmyOfzCK7rOFoEPAmaDdD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28fc7ccc4c338e922bdb72cefa9d840ec3accc2321b1c4e03f0a4dfd4282eab9. 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/4lmyOfzCK7rOFoEPAmaDdD.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/4lmyOfzCK7rOFoEPAmaDdD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08dfeb121d20675a5115a72db0679e82e82546dec7b7b3131c5e180085f71899. 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/5xDARN5O96M40z4kOdXoBG.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/5xDARN5O96M40z4kOdXoBG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbe1906e435c015001128526e92c06f5eba5146c65084d7efda56deb20287c92. 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/4uJzDsWhxyNGVUdBrLnh9O.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/4uJzDsWhxyNGVUdBrLnh9O.
Tua Mãe Falou Não Se Apega - Phonka do Brasil
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0668da4a348e08c77e8594d39097471edd52b8ddb5d17f48117da4b3168ec4ce. 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/3ueBN8JeoXb2nGIJ8PPkID.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/3ueBN8JeoXb2nGIJ8PPkID.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdae1c19568f246919d4019329c0fddd88d334d72a4cd35c60b7627b05e05a3ef. 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/6jxT4ZB8aVcUfIbo9VC9uM.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/6jxT4ZB8aVcUfIbo9VC9uM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3000a5d58cd33f7a15b3f706a52ec31c07d16e4ac43ef661476d9b22b7f3399c. 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/632FRSi6SgA8iPdqEDPc3C.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/632FRSi6SgA8iPdqEDPc3C.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85d6eaa9620604ae431da7a855f2a9c55e98945db122f3bff5afbe0bb3393b2d. 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/296ep9miRm1F3b3xGH2SzB.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/296ep9miRm1F3b3xGH2SzB.
{"copyright_id":"0xf8821a67d22684d40c1c2c3afd6d033be1a5fd1291a9684f616f0931273129b3","isrc":"BCE7P2400097","name":"Baby Eu Tava na Rua Da Água - Versão RJ","registered_at":"2026-06-08T03:06:36Z","spotify_id":"1opSCVQ48zAHNuk13xagUg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8821a67d22684d40c1c2c3afd6d033be1a5fd1291a9684f616f0931273129b3. 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/1opSCVQ48zAHNuk13xagUg.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/1opSCVQ48zAHNuk13xagUg.