Irvin Brown (20 September 1935 – 20 November 2005) was an English professional footballer who played as a centre half in the Football League for Brighton & Hove Albion and Bournemouth & Boscombe Athle
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 0x7dda8abeb4e85373fcf58a9efbbaa76ee0c39fd8041ad4e9773be52ba612fe19. Chain 2 (Bitcoin): anchored in block 954623 (2026-06-20T23:40:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cd018bbf-443c-4b72-bc2b-42e07c9d4921.json and https://artists.proofprofile.net/proofs/artist/cd018bbf-443c-4b72-bc2b-42e07c9d4921.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).