is a masculine Japanese given name. Written forms Kazuya can be written using different kanji characters and can mean: 一八, "one, eight" 一矢, "one, arrow" 一也, "one, to be" 一夜, "one, night" 和也, "harm
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 0x13861d2ed130110b05e9eca1ae4a66beca26c4759d44bc122347f26a4277d92b. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/514bebd5-453d-419f-b2cd-d12a69ecb128.json and https://artists.proofprofile.net/proofs/artist/514bebd5-453d-419f-b2cd-d12a69ecb128.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).