{"copyright_id":"0xbb1ea8e72eca6db16f7aa8fd7be61ce43a6d093da6284755447bbaee93ac5bba","name":"Nivel Efectivo","registered_at":"2026-06-14T06:14:47Z","symbol":"NIM0363916","token_address":"0x7e92e3d556f9debad164975dfc542770a83d45e0","type":"artist","uuid":"10dfd3f3-0d9c-45a6-a0d9-9bbc6ceeceeb"}
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 0xbb1ea8e72eca6db16f7aa8fd7be61ce43a6d093da6284755447bbaee93ac5bba. Chain 2 (Bitcoin): anchored in block 953605 (2026-06-14T07:39:50Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/10dfd3f3-0d9c-45a6-a0d9-9bbc6ceeceeb.json and https://artists.proofprofile.net/proofs/artist/10dfd3f3-0d9c-45a6-a0d9-9bbc6ceeceeb.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 0x3ddaae2dce53169dabfb3fa787001aca21da46d6c1638e4baa53b2946948df8c. 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/SE5BU2343013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39e06bc1b27c6c6eec497d1be280c6446353ea6f258f2edcbc29673823c863cf. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/QZDQH2368947.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4161bf5c228a90b54fe9ae7f6fbeec83eda1d488ea078d8255af8e9987f04bd. 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/QZDQH2430417.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae5b19166ef533f60c45c01d17208d61a40d6a2701bac3aa080f218c2e2b44e9. Chain 2 (Bitcoin): anchored in block 958736 (2026-07-19T15:43:51Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDQH2443674.