Haydn Gwynne (; 21 March 195720 October 2023) was an English actress. She was nominated for the 1992 BAFTA TV Award for Best Light Entertainment Performance for the comedy series Drop the Dead Donkey
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x723b1fae18d7bc638f11728c4b572f575d142f8cae025a30e55a593d6c16e112. Chain 2 (Bitcoin): anchored in block 954069 (2026-06-17T08:30:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7a461968-c864-46b4-8231-e406167a74a0.json and https://artists.proofprofile.net/proofs/artist/7a461968-c864-46b4-8231-e406167a74a0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).