Nicholas Henry Charles Cooper (born 14 October 1953) is a former English cricketer and geology teacher. Cooper was a left-handed batsman who bowled right-arm off break. He was born in Bristol. Until 2
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 0xbabee422694827eeca05daf5d3448d7a3c8f85812985ada78546db1ea0fd5ebd. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a5f1758d-1c45-45b5-9da3-5a5f3cd4e0bc.json and https://artists.proofprofile.net/proofs/artist/a5f1758d-1c45-45b5-9da3-5a5f3cd4e0bc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).