is a common masculine Japanese given name. Written forms Hideki can be written using different kanji characters and can mean: 秀樹, "excellence", "timber trees" 英樹, "superior", "timber trees" 英機, "s
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 0x83c58c8eb3532b00620f077998341ca85cd5b01802e2d25560f4057da7182f81. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f1ebaad4-ff9c-4914-96b7-d2251d96d3c1.json and https://artists.proofprofile.net/proofs/artist/f1ebaad4-ff9c-4914-96b7-d2251d96d3c1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).