is a common feminine Japanese given name. Name meanings Hiroko can be written using different kanji characters and can mean: 裕子, "Kind child" 弘子, "Beautiful child" 寛子, "Kind, tolerant child" 浩子, "L
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 0x079ae475f3fa6c46eb48aa458b85f0a229ef1370db2da68129cf61879d020d40. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0134ccc5-c2d7-4d53-ae45-07a3cadeadae.json and https://artists.proofprofile.net/proofs/artist/0134ccc5-c2d7-4d53-ae45-07a3cadeadae.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Hanamizuki (feat. Yo Hitoto) [Cover] [Indian Fusion]