David Anthony Ridley (born 5 May 1954) is a former English cricketer. Ridley was a right-handed batsman who played primarily as a wicketkeeper. Ridley made his debut for Dorset in the 1979 Minor Coun
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 0xa11831902934f93439b43208b652c4d76ff80f94775c089a9a2a5c81ec3bdea0. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/09aefc32-5494-4262-bad9-44ab71689653.json and https://artists.proofprofile.net/proofs/artist/09aefc32-5494-4262-bad9-44ab71689653.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).