Paul Colum Dunne (born 26 November 1992) is an Irish professional golfer from Greystones in County Wicklow. He first came to prominence at the 2015 Open Championship where, playing as an amateur, he w
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 0x375c77dd678a171e16c46e1a06fc55d29ae0e42e1eff2a8408c6d3d11a04730a. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/64761573-8717-4626-b136-66164209f5e9.json and https://artists.proofprofile.net/proofs/artist/64761573-8717-4626-b136-66164209f5e9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).