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 0x4113f2f1b06ee3483ebad5c2771dd53ba4dd0a7991e5d126f799645c6b2633e2. 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/52ca7fea-c0f5-4cd4-8ad2-d9024d109182.json and https://artists.proofprofile.net/proofs/artist/52ca7fea-c0f5-4cd4-8ad2-d9024d109182.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0xf5a9c48eca61023443a037f71c73c7be54ba68f059c3829d8807b815a1b716c3. 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/2DeNWX6MkAM3ZHkAJOgxtS.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/2DeNWX6MkAM3ZHkAJOgxtS.
{"copyright_id":"0x8245cec01e6b02121e0cbab3a3be68b7bbf11e63c1fef97cffc85908ff718a2b","isrc":"BCHFD2400124","name":"Mtg É Dai Que Sai o Som","registered_at":"2026-06-18T01:00:30Z","spotify_id":"2pTtWnWaTfFSlgLSZTgAHa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8245cec01e6b02121e0cbab3a3be68b7bbf11e63c1fef97cffc85908ff718a2b. 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/2pTtWnWaTfFSlgLSZTgAHa.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/2pTtWnWaTfFSlgLSZTgAHa.
Hoje em Dia é Difícil Encontrar (Versão BH)
Hoje em Dia é Difícil Encontrar - Versão BH
{"copyright_id":"0x12716ea2268221a2527f93a59cf94872406388ffb781330c42624d75bcc7dff5","isrc":"BCHFD2400181","name":"Hoje em Dia é Difícil Encontrar - Versão BH","registered_at":"2026-06-01T04:59:14Z","spotify_id":"4j4wr1y3pcpa4aFWlC1llc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12716ea2268221a2527f93a59cf94872406388ffb781330c42624d75bcc7dff5. 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/4j4wr1y3pcpa4aFWlC1llc.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/4j4wr1y3pcpa4aFWlC1llc.
{"copyright_id":"0x89345f6019958f5bac7c33bc32add671eb53ca8757466e2b9db6edf28662b8e9","isrc":"BCHFD2400223","name":"Achei Que Era CLT - Versão BH","registered_at":"2026-06-05T12:34:28Z","spotify_id":"2W6SCahp3Ff0AFLbvOcOSH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89345f6019958f5bac7c33bc32add671eb53ca8757466e2b9db6edf28662b8e9. 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/2W6SCahp3Ff0AFLbvOcOSH.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/2W6SCahp3Ff0AFLbvOcOSH.
{"copyright_id":"0xb85c597397ccad4bca410f66c45d2a97dbb0a6105b7a82403cb2c650f4c38e0d","isrc":"BCHFD2400145","name":"Só Os Do Job","registered_at":"2026-06-08T12:20:28Z","spotify_id":"0b0GlD0nThRszevamKPJCX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb85c597397ccad4bca410f66c45d2a97dbb0a6105b7a82403cb2c650f4c38e0d. 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/0b0GlD0nThRszevamKPJCX.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/0b0GlD0nThRszevamKPJCX.
{"copyright_id":"0xbd4e323c4ba287a40da740d1339ab61141d5c5ce6d9028d1a1ca21946bee3ff2","isrc":"BCHFD2400090","name":"Eu Sou Feio","registered_at":"2026-06-10T17:41:03Z","spotify_id":"2repyhXWOyQklsqRlDn61V","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd4e323c4ba287a40da740d1339ab61141d5c5ce6d9028d1a1ca21946bee3ff2. 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/2repyhXWOyQklsqRlDn61V.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/2repyhXWOyQklsqRlDn61V.
{"copyright_id":"0xe94eb04ac9541b8c112fd5fbfcb7a7868f1ea0a0f680b1e39e5196fc1803fa58","isrc":"BXVK62300022","name":"Acaba Com a Minha Vida","registered_at":"2026-06-25T20:32:42Z","spotify_id":"0RG7MAKpmWtBDilqrdKZ2y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe94eb04ac9541b8c112fd5fbfcb7a7868f1ea0a0f680b1e39e5196fc1803fa58. 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/0RG7MAKpmWtBDilqrdKZ2y.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/0RG7MAKpmWtBDilqrdKZ2y.
Só Sofre de Amor Quem Não Escuta Mc Nahara
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x250ad6e567177861188ce8d942270e0446f119e1a7d76c0688d24e061fd5d6c2. 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/6ezGL4ZsS1n7B40R7bs8UG.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/6ezGL4ZsS1n7B40R7bs8UG.
{"copyright_id":"0xfd283e50fa53976909f006b0b4e6eb041c8ef32cccddb9f9a604b14bb49f3eb1","isrc":"BCHFD2300178","name":"Pula Que Pula","registered_at":"2026-06-25T21:22:43Z","spotify_id":"4pO4wIfiiVMB6OeF4SJd2L","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd283e50fa53976909f006b0b4e6eb041c8ef32cccddb9f9a604b14bb49f3eb1. 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/4pO4wIfiiVMB6OeF4SJd2L.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/4pO4wIfiiVMB6OeF4SJd2L.
{"copyright_id":"0x6ba0aa0263846ca5219099507e7f5cb18a8a774b825fdfcaddef8d25867d0578","isrc":"BCHFD2300183","name":"Saúde Mental","registered_at":"2026-06-25T21:24:14Z","spotify_id":"1JvKBBC3f4DBB9srUMwOgg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ba0aa0263846ca5219099507e7f5cb18a8a774b825fdfcaddef8d25867d0578. 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/1JvKBBC3f4DBB9srUMwOgg.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/1JvKBBC3f4DBB9srUMwOgg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x250ad6e567177861188ce8d942270e0446f119e1a7d76c0688d24e061fd5d6c2. 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/1oUv3lpixIdJNgq8P53ltg.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/1oUv3lpixIdJNgq8P53ltg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x469aa0c1b400610391ee07ef86994cea05719cb1c6891151713bb3dbd2e29e40. 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/09vGjPZ3JzpRQgKgpd6IEB.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/09vGjPZ3JzpRQgKgpd6IEB.
{"copyright_id":"0xfd283e50fa53976909f006b0b4e6eb041c8ef32cccddb9f9a604b14bb49f3eb1","isrc":"BCHFD2300178","name":"Pula Que Pula","registered_at":"2026-06-25T21:22:43Z","spotify_id":"6xcAqyzMJMgG9skInKoLKy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd283e50fa53976909f006b0b4e6eb041c8ef32cccddb9f9a604b14bb49f3eb1. 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/6xcAqyzMJMgG9skInKoLKy.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/6xcAqyzMJMgG9skInKoLKy.
{"copyright_id":"0x82c916f7fda4249d1b65d328c5b7675d6555180bad2c466aa694627d4d2f033e","isrc":"BCHFD2400094","name":"Homem É Descartável","registered_at":"2026-06-06T21:15:21Z","spotify_id":"2hBC5u5wcwDkINYHTaBYZS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82c916f7fda4249d1b65d328c5b7675d6555180bad2c466aa694627d4d2f033e. 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/2hBC5u5wcwDkINYHTaBYZS.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/2hBC5u5wcwDkINYHTaBYZS.