Nakanishi (written: 中西 or 仲西) is a Japanese surname. Notable people with the surname include: Akinori Nakanishi (born 1954), chief designer for Mitsubishi Motors Alan Nakanishi (born 1940), America
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 0x3cbcbf5c7652091037fd84965926ac2dfa330fddb56984b837ea09a146f68d6e. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3005836e-3117-433b-9078-5146b481c07b.json and https://artists.proofprofile.net/proofs/artist/3005836e-3117-433b-9078-5146b481c07b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).