Christelijk Thools Mannenkoor 'Rehoboth'
{"copyright_id":"0x9834160154d60edae078de2a3447e3ead4ca1060b2d6548ff63e5422d36620ef","name":"Christelijk Thools Mannenkoor 'Rehoboth'","registered_at":"2026-06-15T21:05:39Z","symbol":"NIM0831766","token_address":"0x565c0b1b4acec0bfd7ff1bef3deb6a7cc16d434d","type":"artist","uuid":"159e2f08-ecf5-48a0-a606-fc36d60ac3bb"}
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 0x9834160154d60edae078de2a3447e3ead4ca1060b2d6548ff63e5422d36620ef. Chain 2 (Bitcoin): anchored in block 953907 (2026-06-16T07:39:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/159e2f08-ecf5-48a0-a606-fc36d60ac3bb.json and https://artists.proofprofile.net/proofs/artist/159e2f08-ecf5-48a0-a606-fc36d60ac3bb.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 0x1033366d64711167fe2ed711eb4aceecebedfff6a991f4480772414d0e74c5a3. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/NLG620586839.