Mark Benton (born 16 November 1965) is an English actor and television presenter known for his roles as Eddie in Early Doors, Howard in Northern Lights, Martin Pond in Barbara and the eponymous Frank
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 0x0a43992befc9d95e530dd106f9f516017611cf426ad8fbd42abc07736a36534c. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b48974fb-d4c1-44a3-8479-0b9131e22a69.json and https://artists.proofprofile.net/proofs/artist/b48974fb-d4c1-44a3-8479-0b9131e22a69.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).