David James Bamber (born 19 September 1954) is an English actor. His credits include Privates on Parade (1983), Juliet Bravo (1983), Crown Court (1984), Call Me Mister (1986), The Buddha of Suburbia (
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 0x87c8321700eeb2fef3cae92aa1a68434e30192cca4fd33a69a29f579d679313f. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/68cb49e0-6c98-4f64-b5e0-702eb2937eb0.json and https://artists.proofprofile.net/proofs/artist/68cb49e0-6c98-4f64-b5e0-702eb2937eb0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).