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 0x6d3455d4db19595b86e57384226f8adfa6deab792b7c966996d38cf802d564e5. 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/7283276a-39aa-47fd-ae08-5065d308a559.json and https://artists.proofprofile.net/proofs/artist/7283276a-39aa-47fd-ae08-5065d308a559.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 0x021cdbd437a725ad231bf1c7492bf314abc24a40d03ba5332d4443338457e298. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/QZHZ42052124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fb24cba38adc945d86a31ef0a617da82bbfb565f2de0643fdb0bdd2ff1bfdeb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/QZHZ52048318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2acc1ba024c0737424f1e1b5de8717aa7e75347aff10e83f2e8f72b433002547. 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/QZHZ62079173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd6e5b0e00eb8056cb4889836c2dd7a318e43ff7300895c08a0075814ea2ed95. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZNJX2053339.
Devagarinho Até Embaixo Vs o Dj do Baile
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9e305f4af9470eaab3017b0a4c587906eb7061988b7cb1b5eebf66fb9333dbf. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZNJX2160856.
As Novinha de Hoje em Dia, Olha o Que Elas Tão Fazendo
Melodia Automotiva - Encaixando Ppk no Pau
Melodia Automotiva - Encaixando Ppk No Pau
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a4e1d5e83b015fb392aed3d38ff933a3a3120a30ed8cb6cdeba21abcd483f7f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/BXP5Q2400006.
Sei Que Tu É Novinha e Gosta de um Conflito (Toma Toma Tá) [Remix]
Sei Que Tu É Novinha e Gosta de um Conflito (Toma Toma Tá) - Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x780957bb08d4b1077f4ed2a05ca5fcf2fd91f930308d711a6971dcad6fec34aa. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BXP5Q2400022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6f1aff90fe6b62879bde908654e8aacb7de2341f632542aa751b57c7c250b86. 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/QZW9M2408400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf5fbc43c027af8bfd6881a6b0e94c71a5bf198fe97101220feb59e722f67ba6. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/BXP5Q2500002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33458eb0a138f8fef2ab3c02279587b30dc88d4fb569cb32347bbcc633502d5b. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/BR90B2403117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d3e1cdc1c774145474cec8658f8d42e417d705db98bb5a66cb9f9d05360fa9e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/BXP5Q2500021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65a9f15bec478a3dfb19968ba2c6b101fff34cc7266493a9972e91a99054a6fb. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/BXP5Q2500019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21a80821ea05ea595da98338c451fa73c346e292ed4297d9f0e69996eaf34c0f. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-19T22:07:06Z), 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/BXP5Q2500026.
Eu Te Dei Tapão na Bunda e Tu Ficou Toda Marcada
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d9f44b00dab7299810f7ddaffef4a8ecdbc850eb03e4810bcacce974a3014be. Chain 2 (Bitcoin): anchored in block 957782 (2026-07-13T00:52:48Z), 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/BCIH82216102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4a994bf74eec61cff47caddb7019b6403039cecbb5539303f1422869fdc4520. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/BKFUX2302552.
De Madrugada Você Me Liga pra Bagunça Minha Vida
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4b02a621a32a7f12857e9a27039309d8ca4ae247c2d28d00b94f6535e4f1a6c. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/BXP5Q2500031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31f04362973fa81cf827d2ba0c19253794b53a50d2791892327088a9ebb0e333. 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/BXP5Q2500032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f0b18eda1048b05f59f71eaa11ebc996eb70301abe9c21de712af0a2564099f. Chain 2 (Bitcoin): anchored in block 958885 (2026-07-20T15:34:25Z), 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/QT5M52527096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83c95f5f11228401a98b58deadd6e901b8552907f71d55bcd84485836a1b9943. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/QZTVM2579068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc68dc3bc4d380bbf57b2f8666114f10053de90ba3d0d18f354a23090da6a7c82. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/BRT3O1800087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf03dc11d250a4d29ed08b569e715af8884d9012bdcab8827fe5137b0cf312623. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/BRT3O1800094.
Nossa Que Isso (feat. Rebecca & MC Rogê)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a1148b734ffb808b281cf51b8c6fe8520c51454e0e02b4195fd867bb9bb9017. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BXIH81900001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x015108c3de8ec5362a4cf08e36424fe4483cf12967642e17376ee703cfb17dde. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZGLM2511317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a1148b734ffb808b281cf51b8c6fe8520c51454e0e02b4195fd867bb9bb9017. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/BXIH81900001.
Minha Vida Virou Puteiro Como É Bom Ter Vida de Solteiro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c4b03d7f4b2b880d1f15c020103e8b048dc41e93723e9dbcbf6868152427353. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/BKCMX2400543.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e1b12a04e569848bee95acb69ad3b541e7242a6ff1865dd4c2c814766984372. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZDA61985347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1ee3fdcfe0974b2b05516b68126f65c07723cb25c898c1d5f5f55269677d642. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/SGW502253747.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cd7a853ec7b75e9c0969920a9d59ecdfd897603eb11c3f17df78b28a4f82401. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZHZ32089361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7da380d1e0ebc4053c91cdf266010fc3558e9e113c7949bb4eec11bf02f90fae. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/BCZ582400260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59ec18384c6221af9ff57f14bc96baea7bb3860c2173c3630bfdd823c04a93db. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BRWMB2301693.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x239a1b05f26ebd04f4b9a96bdc19bac0713abacafb830960fed1ca1d326ec05c. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), 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/ESA112442039.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch