Arquette is a surname; people with this name include the following members of the Arquette family: Alexis Arquette (1969–2016), American transgender actress Cliff Arquette (1905–1974), American act
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 0x015d30a751872358ac855374e9afbe19eee3b9bda61fc6908846a4a1dbf432c6. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/22f5238b-61d7-4d36-8007-29d662e39560.json and https://artists.proofprofile.net/proofs/artist/22f5238b-61d7-4d36-8007-29d662e39560.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).