Quentin H. Poole (born 1957) is an English oboist, conductor and former boy chorister, who served as Head Chorister of King's College, Cambridge. Poole was born in Surrey, England, the son of Joseph
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 0x1e3c70de6d378d6d76e6057f13fda8ae687d59549a15c23382ba3c1bbec48f5d. Chain 2 (Bitcoin): anchored in block 953633 (2026-06-14T12:47:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/326a3024-f783-4add-bdd1-91810cdcd936.json and https://artists.proofprofile.net/proofs/artist/326a3024-f783-4add-bdd1-91810cdcd936.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).