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 0x1a04b8c62ce859ae1ad025dda7c1dd90d793152536f98d606f9114250f3db106. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5ee7b3ac-4eb8-4f56-9f6a-dcd025c9c7dd.json and https://artists.proofprofile.net/proofs/artist/5ee7b3ac-4eb8-4f56-9f6a-dcd025c9c7dd.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 0x8150b0ea52165537c2004d8ed2b929190db6a936558ecb52047f48a95691e5de. 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/6sLkUFMgT82Q5PjtGAQl6v.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/6sLkUFMgT82Q5PjtGAQl6v.
{"copyright_id":"0x9e6c46448a8d4996bff73a986b29707b20855af6886663afd939ed32e0dfaf18","isrc":"BR6FF2200011","name":"O futuro é mais bonito","registered_at":"2026-06-24T07:12:54Z","spotify_id":"78rQDtMIMwMT9KGxGX4CmS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e6c46448a8d4996bff73a986b29707b20855af6886663afd939ed32e0dfaf18. 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/78rQDtMIMwMT9KGxGX4CmS.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/78rQDtMIMwMT9KGxGX4CmS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48d1390b95893a975a13edfd40cb9239b9b91f0c2613fa05d7f3536f41bb5f37. 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/6SuGBC0Xebw6GgeZpmJ2O3.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/6SuGBC0Xebw6GgeZpmJ2O3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30993a349af208dd4a15f5f160783bedaab635da1c9a81c6f18e405b79a896af. 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/6rKh3HslmdAsCTKFqxBoOE.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/6rKh3HslmdAsCTKFqxBoOE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f09ce75d382606fbf9becc57d0f4218f5da50917e1613ff76d68cc0b059ed77. 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/1QFE2FqLeHobM2ad9OEnyh.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/1QFE2FqLeHobM2ad9OEnyh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71ca0961bdbe9d53c7f7d868763c2c50d6d02c3781507ef30c3da1d194a72f0b. 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/0nWLfks0VuOGwPMkGBSaGL.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/0nWLfks0VuOGwPMkGBSaGL.
{"copyright_id":"0x7afb58b273c3f0d57443207ad1a882aa4843fd5e4b1c593322e8fa6bd8cc31f9","isrc":"BX1N32100013","name":"Tonada de Lunna Llena","registered_at":"2026-06-24T21:22:31Z","spotify_id":"3EzlgEjTdAdYOldb3NrKcl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7afb58b273c3f0d57443207ad1a882aa4843fd5e4b1c593322e8fa6bd8cc31f9. 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/3EzlgEjTdAdYOldb3NrKcl.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/3EzlgEjTdAdYOldb3NrKcl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0218bda7129bf6e7b6ff0a06595cbb38c91659ed73a86fc813789c9349d8ac14. 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/7dV8Xe2Pn1Hguf7CWFSh6Z.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/7dV8Xe2Pn1Hguf7CWFSh6Z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd76df8113171ef51fcece71d564e885b8d65f38da4b7694d1ab635782f73327a. 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/5L75nwyyZlkeL5067ZWmT5.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/5L75nwyyZlkeL5067ZWmT5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97cc52aa10e2d43ad395fadb1934806cda3647ff35c6d8f88442aa9692b10aaf. 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/77gm3FITOFLkqiaVxGsXhs.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/77gm3FITOFLkqiaVxGsXhs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f382e5c4c9a5791958e220695f31dd009fe8b9fc0f61ba2e1decf9bb3ed03b4. 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/2jLsJz1E9sUjKRXNWj7v7Z.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/2jLsJz1E9sUjKRXNWj7v7Z.
{"copyright_id":"0x3ba2dd237c6d582e8211c0b533ceb9441d511da74ae5987107da03c761eab9f0","isrc":"BX1N31900001","name":"Baião da Dora","registered_at":"2026-06-06T19:14:01Z","spotify_id":"7xMyoJHajxtNf7oBDFlZAf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ba2dd237c6d582e8211c0b533ceb9441d511da74ae5987107da03c761eab9f0. 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/7xMyoJHajxtNf7oBDFlZAf.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/7xMyoJHajxtNf7oBDFlZAf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0a2a2c45a087926dd09be96593aa42bc5616f66d7c3b9bd59696e0fad91f37d. 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/0QzLcFzFGIjTzY8jvMf28u.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/0QzLcFzFGIjTzY8jvMf28u.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x488186998c70cb555aac368db706ffbe82494da6f4b3fd7bccd998e45df5b674. 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/59FKi3ame3pJnHRmPNhuln.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/59FKi3ame3pJnHRmPNhuln.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc3c9cad5f3b1a82b107e8c2a3ede681197335496f47b7397c71de27ac8e61d4. 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/6DNCvS7q291XHJDYJRDg6H.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/6DNCvS7q291XHJDYJRDg6H.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x076277114ce8b42e1528f1eab2e25a7b919b4c823337cad0dc99ed6ea16a4759. 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/6obmvBQR6758aOUl3ZiPOC.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/6obmvBQR6758aOUl3ZiPOC.
{"copyright_id":"0xcae99f2751e4e2f0f6bf9ba6e324e3eee19fe2569da47961ce7ca736d294e2bc","isrc":"BX1N31900013","name":"Nature Boy","registered_at":"2026-06-22T08:38:54Z","spotify_id":"0Imji1nXt6IrcPhHrqRge9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcae99f2751e4e2f0f6bf9ba6e324e3eee19fe2569da47961ce7ca736d294e2bc. 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/0Imji1nXt6IrcPhHrqRge9.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/0Imji1nXt6IrcPhHrqRge9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd81797a3915103488a8aabe9293294add15780b563751f5c15b3a30b6a73dce. 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/20BgdzdPmgy8pVQA7QYiLT.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/20BgdzdPmgy8pVQA7QYiLT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x347352c885ab7c719132940b93e9da89bbad970fb7d142c0d060b4efbc9402dc. 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/5m6ptd4qmwyJD6IrC2B7lT.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/5m6ptd4qmwyJD6IrC2B7lT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa736fbc14991966e6f11edb12b670e52e58e80b7db5dc87b93d747684c11edb9. 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/4sk6l4pHgwaiB0kXcyzKHS.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/4sk6l4pHgwaiB0kXcyzKHS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74ef3d6b227451b8f723a2cfea49d85af7702b31fb249595e040aa6dc12e4925. 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/7f5QvxCNBKAW5u7DrT0lsT.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/7f5QvxCNBKAW5u7DrT0lsT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa399459f3947e9e6fdca4d844388da280e0050c8cb6c143f1717e9d385196628. 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/4uDfzRdMBtbt1jKopyPdmL.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/4uDfzRdMBtbt1jKopyPdmL.
{"copyright_id":"0x58613a8b9f4bb9314164619bb57bdf69f8d94f68e087b6e17137b6ce8df919b4","isrc":"BRKUA2000104","name":"Samba Em Prelúdio","registered_at":"2026-06-27T08:51:33Z","spotify_id":"5JMKhdf9JGWWE7LjF9JrlI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58613a8b9f4bb9314164619bb57bdf69f8d94f68e087b6e17137b6ce8df919b4. 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/5JMKhdf9JGWWE7LjF9JrlI.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/5JMKhdf9JGWWE7LjF9JrlI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x348e8b374ca85fa5b32054040a063102dc0e6854d2dbac38b8735fc44b3b5c47. 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/2YfBQxCqrdusPztGTEy2yL.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/2YfBQxCqrdusPztGTEy2yL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x488186998c70cb555aac368db706ffbe82494da6f4b3fd7bccd998e45df5b674. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1W7W2vFfQmwqMWu4Qe1FBX.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/1W7W2vFfQmwqMWu4Qe1FBX.
Toquinho - 50 Anos de Carreira (Ao Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe240565427151e0907798a77f5ae178d901e198428aee33b611732644ae8a0ad. 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/4LLXW6ZQwci2sXaYpdfhJv.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/4LLXW6ZQwci2sXaYpdfhJv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6f74e845570dd9a6ac8e7be6c3150bb5843677ebec1f62e635e906bf7774572. 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/4RxpS4osH31DyqJiImA3KH.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/4RxpS4osH31DyqJiImA3KH.
A Casa / O Pato / O Ar (O Vento) / a Bicicleta / O Caderno - Ao Vivo
{"copyright_id":"0x23abe1e891ed17e0aef35422370e703fe65c6ce97e9b5898ad5094fd1bb0e92f","isrc":"BRCII1800013","name":"Tarde Em Itapoã - Ao Vivo","registered_at":"2026-06-20T23:14:32Z","spotify_id":"4c695avthOKe2J3Th237EP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23abe1e891ed17e0aef35422370e703fe65c6ce97e9b5898ad5094fd1bb0e92f. 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/4c695avthOKe2J3Th237EP.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/4c695avthOKe2J3Th237EP.
Como Dizia o Poeta / Testamento / Para Viver um Grande Amor / Morena Flor / Cotidiano No. 2 / Regra Três - Ao Vivo
A Tonga da Mironga do Kabuletê - Ao Vivo
Toquinho - 50 Anos de Carreira Ao Vivo (Deluxe)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe240565427151e0907798a77f5ae178d901e198428aee33b611732644ae8a0ad. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6JmH9plkW4lf7PhQ2hhcRs.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/6JmH9plkW4lf7PhQ2hhcRs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82ec3073e3d90bacfac457447a6fde00836873d6b10ba846fb11d879b9e05770. 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/5UO9tJlQrJg30I5zoXu43x.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/5UO9tJlQrJg30I5zoXu43x.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6f74e845570dd9a6ac8e7be6c3150bb5843677ebec1f62e635e906bf7774572. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7M6hYCsZXICEd0cYgTC8D3.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/7M6hYCsZXICEd0cYgTC8D3.
{"copyright_id":"0x23abe1e891ed17e0aef35422370e703fe65c6ce97e9b5898ad5094fd1bb0e92f","isrc":"BRCII1800013","name":"Tarde Em Itapoã - Ao Vivo","registered_at":"2026-06-20T23:14:32Z","spotify_id":"6Wrl0aXe5XTv6EiIorsbvc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23abe1e891ed17e0aef35422370e703fe65c6ce97e9b5898ad5094fd1bb0e92f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Wrl0aXe5XTv6EiIorsbvc.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/6Wrl0aXe5XTv6EiIorsbvc.
Serenata do Adeus / Abismo de Rosas - Bônus Track
Jesus, Alegria Dos Homens / Bachianinha No. 1 - Bônus Track
Asa Branca / Gente Humilde - Bônus Track
{"copyright_id":"0x5dce647b2b006fc81b81116f9c690eb0efa681e078f5137f46ad925e62389fd5","isrc":"BXSVC1900809","name":"Sábado em Copacabana","registered_at":"2026-06-24T17:14:50Z","spotify_id":"3mm390EsmoNiqvs35oBWxB","type":"track"}
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Caetano Veloso Hoje: The Music of Caetano Veloso Today - Tropicália e MPB (Brazilian Popular Music)
O futuro é mais bonito - Organic House Version