is a masculine Japanese given name. Written forms Osamu can be written using different kanji characters and can mean: 治 "reign" 修 "discipline" 理 "logic" 収 "obtain" 紀 "chronicle" 統 "rule" The name
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 0x0bd87ca565b78e89690c4910b61c06559df1a729bd7d03b5f41057eb6ccd0e04. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/380907d1-6a68-4456-ad79-246559c08a9e.json and https://artists.proofprofile.net/proofs/artist/380907d1-6a68-4456-ad79-246559c08a9e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).