{"copyright_id":"0x00e514ba5aed37ff2df7910b295593b7b05ee3cbfd612bac1393047f3b078f7a","name":"Luiz Carlos Borges & Mauro Ferreira","registered_at":"2026-06-14T20:29:02Z","symbol":"NIM0567629","token_address":"0xdd0d94b4cd64e75a4d3c453dbbea63a2efb66cb8","type":"artist","uuid":"9810eac4-d7aa-4ddd-9f5b-afa0ea789ccf"}
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 0x00e514ba5aed37ff2df7910b295593b7b05ee3cbfd612bac1393047f3b078f7a. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9810eac4-d7aa-4ddd-9f5b-afa0ea789ccf.json and https://artists.proofprofile.net/proofs/artist/9810eac4-d7aa-4ddd-9f5b-afa0ea789ccf.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 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 0x77cd8fee763519db9e2b9f8a65921c2c15c9f10a99e134c7bed5d9f1507eae8f. 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/BRACT0800435.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b580ec94ef72811a97ddd5f6985ca978658e49849b6a7b2d99f776e9d4d7860. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/BRACT0800436.
Chasque a Galope / Dando a Boca Pro Gateado
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe052af865c8336baacae14e41f2a74319bb5d9bf220e9b4b76bb27da905c1cd0. 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/BRACT0800437.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd29585bb2a03690e3328f12168572ba91cada0dfa58b2299ff97ddec9fb17c2b. 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/BRACT0800438.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x308048d0c3ba5f05f52c8a7b727885281600165ef83119f320a3f2f1686a8a6a. 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/BRACT0800439.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc7278132c80c52ffe33ad4cd9b20a65dcea8d8f66e38bc51d5bcca7150f374c. 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/BRACT0800440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8a3a80c64be08fbda9ba46cff0df9d92debfd350d90e9668fd622e71b052319. 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/BRACT0800441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19c1c09a2ef2f33b89922195309cea0b5aae7017b0234b3320ea2eb0d680e1fd. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/BRACT0800442.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27979fade9fb5fb1c1b6bcff7cd989e9c90e581dedc093287eb8fc1f0121956a. 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/BRACT0800443.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd107000935e90184da1ce3e3ed90c420b7505f2591cc1cac77151ec8a35e37a5. 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/BRACT0800444.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5755d74ca6328bdd7af7e3e9ef92ece79884b7c72482d1a5e65722d28aaf19a. 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/BRACT0800445.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7464bd0efc6a72c07bae5bfadfbcdf6c10bf3587cd57a492bf2a127c03be525. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/BRACT0800446.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5926448830d177efa4e5bb90f2826556bcaebe2d362d8ce07c500de33807565. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/BRACT0800447.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ac1f25cf910351217393f8f5b766d51c28b076c695781165bdd7ad5a2474f63. 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/BRACT1600680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdc40ee856ec614e155440ee66acf40cef88988943fd2a8c1cf647c39cf9c374. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/BRACT0400295.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x032b3d7437c64059bbfc8328ea6cc95dc26fea701f7e2bed90d69fdc39e9a2c4. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/BRACT1601258.