1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x7f93650fb80764ca3e2f0528cca4c5f993aeb3f7541a5735c58ca53a774d7f0a. 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/38864dee-0252-4408-a099-02b3bc4abb67.json and https://artists.proofprofile.net/proofs/artist/38864dee-0252-4408-a099-02b3bc4abb67.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x045adf943c173212b44490d4e58aa447956307e2f45df26e3eacf6a3e3ba0d8d. Chain 2 (Bitcoin): anchored in block 958878 (2026-07-20T15:19:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRB7D2000003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x476e665ea5ca03299501d86d7cbc669652c4697e51979e49b9ee63a9fa39e6c4. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7VG2164813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e0ae24f1506dc437a0d414231b534388bbaab4266894c0bb573f03f76b561c4. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BR8UV2300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x997c4b6c4b0d338ddd475dfb9a8ab510e33d98b28b57ae354612995551a0fa91. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BR8UV2300003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcc05688834e17ce543559eb7f1d72f834a03ff073e34c1e590f99e9950e19a2. Chain 2 (Bitcoin): anchored in block 958432 (2026-07-17T15:43:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7VG2491282.
A Patricinha Sambou / Do Jeito Que Você Já Sabe - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6d2f595a7cd4fce2878f525b2911e3297b69509f015396290f463437cdd6130. Chain 2 (Bitcoin): anchored in block 958917 (2026-07-20T20:01:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7VG2491283.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f1ecc6678b22e0ab6748b7b1a01720bd77dfbd97502f04552b25fa89ee5e6b2. Chain 2 (Bitcoin): anchored in block 958861 (2026-07-20T10:02:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7VG2491284.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc264b70e8808fda8e34cd81e431a45dfb21d00876cf61bd0f20179f79c645b60. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7VG2491285.
Toma Pagode 2 (Bloco B): Eu Parei Com Isso / Nascente / Pipocou/ Pensa Bem/ Porradão / Oi Amor / Preciso De Amor / Não Vou / Não Dá / Trazendo Amor / Ponto Final / Se Não Der Não Deu / Embaraçado... [Ao Vivo]
Toma Pagode 2 (Bloco B): Eu Parei Com Isso / Nascente / Pipocou/ Pensa Bem/ Porradão / Oi Amor / Preciso De Amor / Não Vou / Não Dá / Trazendo Amor / Ponto Final / Se Não Der Não Deu / Embaraçado... - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a6c97512c7953efed16e07a41e1227ba8785084e08958453cdc0c350230ed4d. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTVM2478428.
Toma Pagode 2 (Bloco A): Catundê / Maça do Amor / É de Arrepiar / Volta / Conto de Fadas / Forte Saudade / Frio de Julho / Quero Colo / Apaga [Ao Vivo]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45f476cf0f629fe6db9b69bbf18fdbb155ca8d4deb29558864bfcabf0c63fc60. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T20:12:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTVM2464848.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8b9dd107f2951727f348a7388a28fb19684864856c184da9d47b338241fc7f5. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTVM2464849.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe766267ad9f7b50d6bfa010bcf6d34bed6a41c7119581ba0418d56cd256e1cf9. Chain 2 (Bitcoin): anchored in block 958420 (2026-07-17T13:33:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTVM2464852.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e2d4f54a4288a5ccaccfbd2af4afd2bbf61248bd000335e7c46ed63ffd0ab85. Chain 2 (Bitcoin): anchored in block 958907 (2026-07-20T18:54:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTVM2464846.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb930ff0f8c9186174fcb48357fca190737c6618cb1f70378e6b7cce555e731b9. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T21:46:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTVM2464851.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6d53e9174d10e901cf4dde44aae4f2a3d9dd63b59eb25d840bac561b85c7977. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTVM2464850.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85d2f7c319c316058af00312e9fc5d98112fdb01a3ed6388ed79b887c012be66. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7VG2549010.
Para Com Esse Papo / Batucada Quente / Brilho no Olhar / Cadê Meu Amor / Cadê Ioiô - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f44c9baeaaaafcf279026c8a9f54df230f8a8e64e9f07a2c1e475c0ba19e286. Chain 2 (Bitcoin): anchored in block 957919 (2026-07-13T23:58:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGLM2514285.
Malandro Sou Eu / Sonhando Eu Sou Feliz / Na Palma da Mão / O Simpático / Pela Hora / Êta Povo pra Lutar - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57a9c240480685fa82c3e3b3396bc092c2ee76bf9daffffeb377c595fac1f587. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGLM2514286.
Toma Partido Pro Max (Autorais) [Ao Vivo]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c36def63b6b67887c335421d29d370441dbbb825d7b47acf15b3a3bd58abd66. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2576188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a4af59cdda32dedf53edfcad2192aef0df24d9d87fccffc4e49103f94dacdb4. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2576189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafb4860fbfb6b4c4552be3b181a15a8969f781665c8b5fac87a1689fb060f73b. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-17T04:51:31Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2576190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeee1b82d957795665403f9947e58c643556883f5cdc07c3070bfadf0596d5075. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2576191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x300be76adc43276cac5b511e1e837991c5c9b5854fc70ff43996403558961138. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2576192.
Merece Respeito / Um Velho Malandro de Corpo Fechado / Quem Gosta de Mim / Zero um / Minta Meu Sonho / A Flor e o Samba
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24f6202bfc3debd649a40bfa7046957990a3da9929c9bfdb2470e7dafefbdb66. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2513615.
Samba da Antiga / Laços de Desamor / Suborno / Samba Bom / Corre Não / São José de Madureira / Maçã do Amor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9df3bc73b8c1c54142774161e434bd26323e9245f21aaa8793919e8ecde7d4c. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2513616.
Ela Entrou na Dança / Armadilha / Demorô / Fala Aí / Quero Colo / Apaga / Eu Parei Com Isso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda7c231da36620bd2d537d879edbf9b6cec1fecb4eba5a5d93be5e742be02d36. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2513617.
Toma Partido: Do Jeito Que A Gente Aprendeu (Ao Vivo)