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 0xd54cce0a1a84dd44455f43aeac839a1d161c0c12c2e8101b0da6f1a6b174ce5a. 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/e876da5a-4ae4-40f4-b0a8-351f43eb21bc.json and https://artists.proofprofile.net/proofs/artist/e876da5a-4ae4-40f4-b0a8-351f43eb21bc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x4eae387976d5390524562540a8cfa891a98d4bb9e935576ddaa878d56b776b2d","isrc":"QZNJW2402820","name":"Bruxaria Destruidora de Airpods","registered_at":"2026-06-08T14:13:15Z","spotify_id":"57HzvjnW60IXs93ahMbQqD","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 0x4eae387976d5390524562540a8cfa891a98d4bb9e935576ddaa878d56b776b2d. 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/57HzvjnW60IXs93ahMbQqD.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/57HzvjnW60IXs93ahMbQqD.
{"copyright_id":"0xcceb519f5487a395a8694424c6e30d2559cbe735d60a30de6014d35aa6b1d053","isrc":"QZNJV2461114","name":"Junção Venenosa","registered_at":"2026-06-20T06:03:07Z","spotify_id":"7sSW6SBSSQksSHIXYW9byR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcceb519f5487a395a8694424c6e30d2559cbe735d60a30de6014d35aa6b1d053. 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/7sSW6SBSSQksSHIXYW9byR.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/7sSW6SBSSQksSHIXYW9byR.
{"copyright_id":"0xa87a64fb12ac9751206be69357c7a69390b10ae10ab90a5cbcbe875c4e8a0268","isrc":"QZNJV2461115","name":"Bruxaria Fame And Sins","registered_at":"2026-06-18T00:48:42Z","spotify_id":"3LOJsfifiMKjKS6Wy1J3oV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa87a64fb12ac9751206be69357c7a69390b10ae10ab90a5cbcbe875c4e8a0268. 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/3LOJsfifiMKjKS6Wy1J3oV.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/3LOJsfifiMKjKS6Wy1J3oV.
{"copyright_id":"0xdf0f96837aafff6f00be3953586e2feeb641f551c1f7b067a348823df8df461a","isrc":"GXD7G2404356","name":"Ta Doendo?vou Comer Sua...","registered_at":"2026-06-27T13:56:47Z","spotify_id":"5FILj7iCzNbchqTWzGbCBe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf0f96837aafff6f00be3953586e2feeb641f551c1f7b067a348823df8df461a. 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/5FILj7iCzNbchqTWzGbCBe.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/5FILj7iCzNbchqTWzGbCBe.
{"copyright_id":"0xe83674053c8a2518448a6b64bae0edc0d4271ed4113bc1dfe9c226978547ac7b","isrc":"BCIH82101488","name":"Montagem Atordoa Noiá","registered_at":"2026-06-24T13:51:54Z","spotify_id":"4X4pswCYKwtPcEDIsD1kbc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe83674053c8a2518448a6b64bae0edc0d4271ed4113bc1dfe9c226978547ac7b. 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/4X4pswCYKwtPcEDIsD1kbc.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/4X4pswCYKwtPcEDIsD1kbc.
{"copyright_id":"0xa6fcaad7ac3225756f144b7ffa796999e4eeeba171d47b03085fa5aa04681c20","isrc":"BCIH82101491","name":"Montagem Haverts","registered_at":"2026-06-24T21:01:55Z","spotify_id":"6s06KmOVSbTXzOFaj6dM0x","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6fcaad7ac3225756f144b7ffa796999e4eeeba171d47b03085fa5aa04681c20. 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/6s06KmOVSbTXzOFaj6dM0x.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/6s06KmOVSbTXzOFaj6dM0x.
{"copyright_id":"0xea37a2537e2b45b48d66c443114b22878217c1a6bb7208e04b160170f14bf98b","isrc":"BCIH82101486","name":"Montagem Balança Barraquinha","registered_at":"2026-06-06T10:40:38Z","spotify_id":"1HljTxtsf312jG0xAvRjWc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea37a2537e2b45b48d66c443114b22878217c1a6bb7208e04b160170f14bf98b. 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/1HljTxtsf312jG0xAvRjWc.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/1HljTxtsf312jG0xAvRjWc.
{"copyright_id":"0x7c903114c8eac43b6f3be8cf7bd421e04e7b8336c594c44f820f6bc615cd54e9","isrc":"BCIH82101489","name":"Bruxaria Destroi Paredão","registered_at":"2026-06-11T10:44:25Z","spotify_id":"0XONdQdVzbptfVYmgTnbRs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c903114c8eac43b6f3be8cf7bd421e04e7b8336c594c44f820f6bc615cd54e9. 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/0XONdQdVzbptfVYmgTnbRs.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/0XONdQdVzbptfVYmgTnbRs.
Eu Sou Bdo 2 (feat. MC FH ORIGINAL & MC VK DA VS)
Beat Agressivo Aqui Dentro do Meu Quarto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf00acb98d3c4a4299aed30e30c36b2c5628d74cb9c94e4512ef022124287688b. 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/6VgugTnl7zFOz393k18TZK.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/6VgugTnl7zFOz393k18TZK.