Wataru is a masculine Japanese given name. Written forms Wataru can be written using several kanji characters. Here are some examples: 渉, "ford" 渡, "ferry over" 亘, "extend across" 航, "navigate" 和
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 0x26799aab45f78d1d872b3786defae57f8e257a30d506ec1c36f9d90b7a67c4b1. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f4391dc2-020d-4b94-9978-ebd3e517f603.json and https://artists.proofprofile.net/proofs/artist/f4391dc2-020d-4b94-9978-ebd3e517f603.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).