{"copyright_id":"0x5f4ac9ccd8e60eb52dcd0efd4183a5736cf35adfdfadbaa11d13e737c1d1341a","name":"高坂穂乃果 (CV.新田恵海) from μ's","registered_at":"2026-06-15T00:16:38Z","symbol":"NIM0621955","token_address":"0xb95db5fc27d66bbc6a6eff15623cbef99323208a","type":"artist","uuid":"bce6cdd9-043f-46b1-a4ed-9f353a3ebe76"}
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 0x5f4ac9ccd8e60eb52dcd0efd4183a5736cf35adfdfadbaa11d13e737c1d1341a. Chain 2 (Bitcoin): anchored in block 953765 (2026-06-15T08:55:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bce6cdd9-043f-46b1-a4ed-9f353a3ebe76.json and https://artists.proofprofile.net/proofs/artist/bce6cdd9-043f-46b1-a4ed-9f353a3ebe76.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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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 0xae3831ae425db59264d0d4e5ef5a9af667878110f22f574003c5741ae1a0de38. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T03:25:18Z), 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/JPI101103088.
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