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 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 0xb8d8a1705a262dcbefbc036f47d20dfda70a62814df5c70ce3efbe770c546546. 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/48ef780e-0a19-4cec-80ed-759f0c91225a.json and https://artists.proofprofile.net/proofs/artist/48ef780e-0a19-4cec-80ed-759f0c91225a.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
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 0xa5fd111bf5780ce51f00969f9defee84c165cfe3bd8c44802c585ff1bf499b86. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ72413943 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08b757227b80bde0cf2695749bb9fb9a2259b2e9e920dd633c437baccbf40778. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ72479937 — a six-check JSON result.
PONTOS DE EXÚ CAVEIRA-JOÃO CAVEIRA-TATÁ CAVEIRA -7 CAVEIRAS
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6881c70bec64c3f61dba0005390820aa2becbf9f7ad9df09ce1baa8b7e9d164b. Chain 2 (Bitcoin): anchored in block 958216 (2026-07-16T00:00:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES52406927 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ed91b80ddfd29b2a3feac256a23c0bfc27df91c6064ed5ab20b16f987c52820. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-02T22:05:07Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES92404752 — a six-check JSON result.
PONTO DE MARIA MULAMBO DO CEMITERIO E ALMAS
PONTO DE OGUM (fé vencedor de demanda/Autoria ogan heder
ZÉ PRETINHO SUBIRAM O MORRO/ FOI VC QUEM FALOU
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dcab989b7500a04606fa0bb31b1bb33689be409dbc00fdf42da72d222827d3f. Chain 2 (Bitcoin): anchored in block 958355 (2026-07-17T03:11:50Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNC2460199 — a six-check JSON result.
SE CABARÉ FECHAR /QUEM É ESSA MULHER /POMBAGIRA
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc595a09674f13261c8bdae547d9e82f435d4463cf80b12a03c39547edcfe686. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6M2491788 — a six-check JSON result.
PONTO DE MARIA MULAMBO LEI DA INQUISIÇÃO
POMBAGIRA DAMA DA NOITE/ MULHER DE LUCIFÉR
BALA TROCADA PONTO DE MALANDRO ZÉ PRETINHO
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b89196adb435b800edb2c4e7d33ce54d6dbb1aedf9a3800bccc36d6c34f5e75. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEN2415815 — a six-check JSON result.
PONTOS DE EXÚ E POMBAGIRA NA MARCHA PRA EXÚ/Ogan Helder
POMBAGIRA SETE SAIAS / frita no Dendê /ponto de demanda
DIABO VELHO -PONTO DE EXÚ FALA MAL DE MIM
EXÚ JOÃO CAVEIRA /MEU CAIXÃO PRETO DE DEFUNTO
MARIA NAVALHA (PODE ME CHAMAR DE COVARDE / Autoira ogan Helder)
PADILHA VEM AGORA/ uma banda lhe odeia,olha banda lhe adora
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dae774686a1bd62ac710f5933ec38f85d68b952e80ac7a9c7b2df51da20fac2. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWS2448759 — a six-check JSON result.
TRANCA RUA VEM AGORA-uma Banda lhe Odeia, olha Banda lhe adora
PLANTEI JILÓ /DEUS É BOM/ FAMILIA DO DIABO
TRANCA RUA / O SOL ME QUEIMA VEM A LUA E ME CURA
TRANCA RUA QUANDO PASSAR NA ENCRUZILHADA
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bb78480adcd9415e7442a0e6bdb97da3a3c3a6fc6dc4d37cb8604f9674c90e6. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZRP42489716 — a six-check JSON result.
POMBAGIRA/ OU VOCÊ ME CONTA OU ELA ME FALA/autoria ogan helder
EXÚ TIRIRI MEU PROTETOR /Ponto de quimbanda
TRANCA RUA / O MAR RONCOU A TERRA ESTREMECEU
MARIA MULAMBO A MEIA NOITE ELA DA GARGALHADA
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebce78efa84535c6607dcc46b42737dd91cb994815ee3f7fd6f766c8f60c90ac. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB52415860 — a six-check JSON result.
PONTO DE PRETO VELHO /EU ADOREI AS ALMAS
PONTO DE PRETO VELHO /VOVÔ NÃO QUER CASCA SE COCÔ NO TERREIRO
PONTO DE IBEJADA / NO JARDIM DO CÉU BRINCAM AS CRIANÇAS
PAPAI ME MANDA UM BALÃO/ PONTO DE CRIANÇA
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x724f42d3ba6f51cad2fef9fe363546f34a2784cce4c51bb002fdcd9510e58e77. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB92451677 — a six-check JSON result.
PONTO DE ERÊ/IBEJADA / TEM BALA DE COCO E PETECA
Ponto de mariazinha da beira do rio/ Ibejada
vários pontos de ibejada, criança e erês/sequencia
PONTO DE EXÚ /SE A CARNE NÃO FOR BOA É VOCÊ QUE VAI PRA TUMBA
MATARAM SEU MORCEGO PRETO/ TRANCA RUA QUEM MANDOU
ZE PILINTRA QUE MALVADEZA CHAMARAM A POLICIA
Tranca rua é corrente não há quem arrebente
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4efa906d9a520c3c7bdcb027c80706ec9b326b1f38beacf38f3525c53743d2a. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTBD2497933 — a six-check JSON result.
AE CARCARÁ DO DIABO / HOJE VIM LOUVAR SATANÁS
TERRA DE ANJO CIDADE DE SATANÁS-PONTO DE DEMANDA
Pontos de Quimbanda / carcará do diabo / Mataram ferrabrás /Queima os inimigos /sequência exú
PONTO DE MALANDRO/ APAGUE A LUZ ACENDE A VELA
PONTO DE EXÚ / melhor um tapa na cara que uma frase maldita
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ac299ac247277d8bcd259159ec0b30458e43d1f2808015f82617a90c3d6ac2b. Chain 2 (Bitcoin): anchored in block 959088 (2026-07-22T02:14:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GXD7G2545525 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x924b3e6b1c4ca28842962486856778a06b6d2c96e8d8116f993a4a51e56d694b. Chain 2 (Bitcoin): anchored in block 958864 (2026-07-20T10:24:04Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEM2587945 — a six-check JSON result.
PONTO DE EXÚ TIRIRI /QUEM NUNCA TEVE UM PESADELO
EXÚ JOÃO CAVEIRA / MEU CAIXÃO PRETO DE DEFUNDO
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c804005abbc772f66fa6b7274c2a0a9a2552634cd9ae8242ef712b0aa05c65a. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7W2522018 — a six-check JSON result.
PONTO DE EXÚ / ME MANDARAM PRO INFERNO/ EXÚ MARABÔ É PEQUENININHO
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8637fe14ce7939bca9d441900887612fdbea5cebe2b78768bdd5961736b6b0eb. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T11:08:30Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QT3FD2520294 — a six-check JSON result.