Joji (じょうじ, 丈二, or 譲二, 城二, 譲治 multiple variants) is a Japanese masculine given name. It is also the Japanese pronunciation of the Western name "George" (ジョージ). It commonly refers to: Jōji, an era in
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x323b33288c57f823b0afe6aa314205894bb1c92b3c496419620d03f9c82f2a87. Chain 2 (Bitcoin): anchored in block 954638 (2026-06-21T03:45:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d4222b61-4fcd-43d7-a23e-2df2d39ea711.json and https://artists.proofprofile.net/proofs/artist/d4222b61-4fcd-43d7-a23e-2df2d39ea711.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).