Stefan Booth (born 4 October 1979) is an English actor and singer, best known for playing Greg Jessop in the BBC soap opera EastEnders from 1 October 2010 to 21 October 2011. Career Booth played Jami
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 0x60ba00391bf90274ca9ebedae9c038a92b7fb12648b3c0707e48a3e723418e1f. Chain 2 (Bitcoin): anchored in block 954647 (2026-06-21T04:36:58Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d7bfacc3-31fb-46ad-a2f9-f388931a578d.json and https://artists.proofprofile.net/proofs/artist/d7bfacc3-31fb-46ad-a2f9-f388931a578d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).