Denyer is a surname. Notable people with the surname include: Bertie Denyer (1893–1969), English footballer Bertie Denyer (footballer, born 1924) (1924–2015), English footballer Carla Denyer (born
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 0x8a09131c94c2000ea6a95a8205618901e84e438d4d6568dca31a9820eb5191f0. Chain 2 (Bitcoin): anchored in block 953879 (2026-06-16T02:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/099d9ec6-3501-48a1-be66-48d2819c0b0c.json and https://artists.proofprofile.net/proofs/artist/099d9ec6-3501-48a1-be66-48d2819c0b0c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).