Stephen James Cook (born 31 July 1953) is a former South African association footballer and cricketer who played in three cricket Test matches and four One Day Internationals from 1991 to 1993. His so
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 0x01ac8df52bdab47fa2a9bec1ca5c340171f6a5fb8ed23063f1fc4e0f79d37d06. Chain 2 (Bitcoin): anchored in block 954587 (2026-06-20T19:10:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bb9aff7f-5b09-4bf0-b958-0e5aa26c825b.json and https://artists.proofprofile.net/proofs/artist/bb9aff7f-5b09-4bf0-b958-0e5aa26c825b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).