{"copyright_id":"0xabbd2bc9ebcfeae8bd97d0545c109e4fd9aa28c21a529d1ebe9f9eb8fe668c4a","name":"Melissa Schleif","registered_at":"2026-06-21T09:27:17Z","symbol":"NIM1888326","token_address":"0x7b51c61ae944eabf2fe21908fba9b89abbe9a0c9","type":"artist","uuid":"e8e6c211-1ef8-4eb4-8ae8-293fa81c85d2"}
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 0xabbd2bc9ebcfeae8bd97d0545c109e4fd9aa28c21a529d1ebe9f9eb8fe668c4a. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e8e6c211-1ef8-4eb4-8ae8-293fa81c85d2.json and https://artists.proofprofile.net/proofs/artist/e8e6c211-1ef8-4eb4-8ae8-293fa81c85d2.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 0x3453356e944047898bf6eac1434dece1ce578008ca6785f912ce0009e083edf9. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T01:42:17Z), 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/CA5KR2419835.