Derek Paul Dickenson (4 December 1949 – 26 November 2024) was an English hammer thrower who competed at the 1976 Summer Olympics and the 1980 Summer Olympics. Biography Dickenson finished second be
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 0xbf7b6f54f4cdf7f21693f602dd9908670d2a5af6b92d95e5959ced96d658b100. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a38be375-bf34-4a14-a50c-5f68d5b4f359.json and https://artists.proofprofile.net/proofs/artist/a38be375-bf34-4a14-a50c-5f68d5b4f359.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).