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 0xcb5ca925eec93f9ba5d22f30eb25adc64e3024320639453427a6d117ce852ce0. 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/1a8c4f86-3d89-49c9-9f9d-7de67f27e91a.json and https://artists.proofprofile.net/proofs/artist/1a8c4f86-3d89-49c9-9f9d-7de67f27e91a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Morro de Saudade / A Saudade Mandou Avisar (Vê Se Pod)
Morro de Saudade / A Saudade Mandou Avisar - Vê Se Pod, Ao Vivo
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 0x402fca8135ee53a7a1c3ae1bf7d82721d414ede89f7d4120e544f26218090447. 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/BXNT62400250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55029ff9a783d8c7900b259d63c41bb221bf74f9d5fe97fabec590acf2d636d5. 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/BXNT62209255.
Ela Não Está Aqui / A Lenda (Vê Se Pod, Ao Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61fb98841091b498b8bf334173a103f6ac2e9b7736e448f44ebe9a18e7b321b7. 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/BXNT62208831.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeadd7f18b5c7e70d4f645531018311f07028e129ceace90499335b8503dec39f. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/BXNT62209501.
Chapéu Na Testa - Sistema Diferente, Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb091ca00efe8fe55df2a67edd585f26b6226673e9998a4e5fb9d85e724da4271. 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/BXNT62209228.
Não Apaixona Não - Bem Interior, Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61099aba8f3f16086f94e17e01f7987de70b856232e7132541552f1d7c27fc99. 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/BXNT62209400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x011f356140f5e40364988733273be8328760cf684e9c249eb765cc0e0f83aa72. 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/BXNT62209339.
Anjos / Amor Pra Recomeçar / Pais e Filhos - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc89a49a736ac9c7f0cdd9c6cda49e0e551d8268ca89a951710a1787ada9194a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/BXNT62209342.
Você Quem Quis Assim / Tudo Errado - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x769f59a52a269d1ca82dcc56c667997a1b0715c9e00252c8ac4a0c5837adaa06. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/BXNT62209345.
Sozinho / Apenas Mais Uma De Amor - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5aad6522c069036daa932bc8cb5b26ad844de566570e218dc2ae5b480a3be0cf. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/BXNT62209351.
Toda Forma De Amor / Epitáfio / Maluco Beleza - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19f3c1892cf192bf0a64438b7701ad0df63eff1ed02693934b99c0c857dcb9a4. Chain 2 (Bitcoin): anchored in block 959146 (2026-07-22T15:41:47Z), 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/BXNT62209348.
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x758de3d5986105bb580c5d31dcde2d086d5eec5b0ccedfeffdf9568847431452. 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/BXNT62209360.
Nos Bares da Cidade (Sistema Diferente, Ao Vivo)
Nos Bares da Cidade - Sistema Diferente, Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa424f74197f944168a28e849969c39e6623eb47fd4f8b8f5eab226366509ffd4. 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/BXNT62209309.
Colo do Fazendeiro - Bem Interior, Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d0cf857595bed1c2f16d7f91564599f4698ccd25656e9ea8dacca81de35c378. 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/BXNT62209057.
Abstinência (Sistema Diferente, Ao Vivo)
Abstinência - Sistema Diferente, Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb26f8638532f5d73dd9d1cf6619a83063a52401d226f623932d8832a871badcd. 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/BXNT62209048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf426e8120c6736f2eb9975bfedc438fd37187798adbc522185cc829033b723f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/BXNT62208937.
Só Você / Barquinho De Velas / Tempos Modernos - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd5ae3733a1f8a9fbfbd09da3f528af6b74614bbd739c7e5f4f17aa2b0a0f91c. 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/BXNT62208940.
Acima Do Sol / Fácil / Boa Sorte - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c68a2e951d3d175ce51ca1eb0a63864718f98a164936bc7384fd491aa2213e8. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/BXNT62208943.
Sem Radar / Amor Maior / Só Hoje - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b157486cf106d2fbb154581e91d97d26b0e7a1298878c4c93cdb34a7f09dedb. 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/BXNT62208946.
Deixa Eu Pensar / Dias Atrás / Minha Juventude - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39bef7c6a7f5036942f95ebb8417a86467e4ebd58f81c6758985b360f3762771. 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/BXNT62208949.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1797868b14b7826763d146e5186259ad80782dd0e5422add0afbbee3cb45a69. 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/BXNT62207497.
Vou Beber de Novo (Sistema Diferente, Ao Vivo)
Vou Beber de Novo - Sistema Diferente, Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x718b764bcf484851ee848f511da053e62886f07f120ee7d6c8e9827b8df63c13. 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/BXNT62208755.
Tu Vai Ter Que Beber (Vai pra Vaquejada, Agro Rave, Ao Vivo)
Tu Vai Ter Que Beber - Vai pra Vaquejada, Agro Rave, Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5748b6a2cd77541cd13272d1f8ae89255842d7a7e7cdfa939bbf5cb69761b14e. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/BXNT62208752.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8afccbd56fd641e3142e565a5b6934d6e868a2ddcac66e36c8c81985117bd56d. 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/BXNT62208670.
A Lapada é Forte (Bem Interior, Ao Vivo)
A Lapada é Forte - Bem Interior, Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e9ea4f0551db5f09378582ae328c0c61572a1b6316bf0c36269760fb58f5d9e. 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/BXNT62208563.
Tarde Demais (60 Anos de Estrada, Ao Vivo)
Tarde Demais - 60 Anos de Estrada, Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x123ce21148d0febe47c4b753a94815d1c588c1f8abccf135d2d734805e943b0f. 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/BXNT62208532.
Saudade Me Acha (Sistema Diferente, Ao Vivo)
Saudade Me Acha - Sistema Diferente, Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbfa8a853e6eef9e545c3cc420e879b242c63ddbbeb5aa9ab11179faa82887ed. 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/BXNT62208427.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02af12e3c3510c3b68d7255cce64aac2449941fd1d6655cdcab510ae1fba181a. 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/BXNT62208505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e551ac9ebbcb17b618a4ae39167680b39dcf7d3183bf2256c4c2bc08fd062b4. 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/BXNT62208439.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d8ef72f839b4db039203ada2ad04ca28fd396a99c2213c81a259dc0728dd6fa. 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/BXNT62208442.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7952bce8c0f44ca63e83c3a2acd0a437ce0533b5778a6e7dbdd9e367177afb16. 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/BXNT62208418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x258040e6c4c9f7eba6c02af3083b40226676eaf132991c6a0d2ad6e99344087f. 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/BXNT62208430.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e3f427fef7b06f8e0706d09c3c1d361eabf32c86185dd24ea9dfdee1f29d870. 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/BXNT62207930.