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 0xc2fa7a725d2e080755b5bcf619175f074a10870e42126425bbebe9bcc661784f. 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/f9ac8441-3fca-4680-8b35-50850bb89864.json and https://artists.proofprofile.net/proofs/artist/f9ac8441-3fca-4680-8b35-50850bb89864.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Vou Dormir Na Rua (Na Linha do Tempo, Ao Vivo)
Vou Dormir Na Rua - Na Linha do Tempo, 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 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 0xda5aa3a3cfc6399a06c541745e9faed7361f7e61045d485e93c4ecac0c790aa9. 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/BROKK2300029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84d0c8f612130ad72ffce4ab92dd309ed7c04c1ff157cbb39622b7e321b5995a. 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/BRAPI0800586.
Proposta (Participação especial de Zé Henrique & Gabriel)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51d225283486b3a2b314b64e57f7bc8c0696dcb2184a8380e0928bcaf1ff53eb. 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/BRWMB0500480.
Solidão Dando Risada - Na Linha do Tempo, Ao Vivo
Solidão Dando Risada (Na Linha do Tempo, Ao Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72f3645bfeb5855f1c87161887c6fa9ae91627fc60c763bf5c7325e257c55788. 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/BROKK2300026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe30791ee9ff79fe4f06543393f03eaf2400bb3dce9f2fff59901841815b40cf0. 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/BR03D1400032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabb724490b3866f2adf2df507d22c5e99cf22ae7e60e27989821a8cade74a1f2. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/BRAPI0301301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x582b6583830c874a6be5324ba2da6825e0ec13700039599614e7161743e25b22. 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/BRAPI1400102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6be2070b7fe7118cadf5d0d41542d7002e5fd8d90e9094601eb68c2f9d3468d. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/BXNT62200019.
Um barzinho, um violão sertanejo (Ao vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e5c30e8d0aaa6bf4a7371f524dd02a5b7e9b5210ec7fbcea8dd99d7dbdbcc55. 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/BRSME0900762.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e5c30e8d0aaa6bf4a7371f524dd02a5b7e9b5210ec7fbcea8dd99d7dbdbcc55. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/BRSME0900762.
O Que Combina Comigo é Você - Na Linha do Tempo, Ao Vivo
O Que Combina Comigo é Você (Na Linha do Tempo, Ao Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31c994587c880be104d282e1ea019dbe984ac17fe3442e29489dfcf1fe25866d. 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/BROKK2300015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f7460a9448ade6bb7c0e6b525a25f9912815e38c05e1c004bd1c9088671bf59. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/BRDEP0700118.