Itani is a surname. Notable people with the surname include: Ahmad Itani (born 1979), Lebanese football player Frances Itani (born 1942), Canadian fiction writer, poet and essayist Junichiro Itani (1
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 0x275104d4421e6de47e7836e264fad14d7ff6c31e52b5208df628f95a8e6fe121. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4a975348-8b85-4c9e-80bf-0a1c4d2f4e56.json and https://artists.proofprofile.net/proofs/artist/4a975348-8b85-4c9e-80bf-0a1c4d2f4e56.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).