is a Japanese word meaning "bond". It may also refer to: Music Kizuna (album), a 2022 album by JO1 "Kizuna" (Aya Matsuura song) "Kizuna" (Aya Ueto song) "Kizuna" (Orange Range song) "Kizuna", a son
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 0x03823b008ada7501054afaecefba20199804977222d617b783c3ca50ce8d8155. Chain 2 (Bitcoin): anchored in block 954580 (2026-06-20T17:48:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b66e7a22-f114-4a52-8cc4-513f9f12d66c.json and https://artists.proofprofile.net/proofs/artist/b66e7a22-f114-4a52-8cc4-513f9f12d66c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I can do it today because I can do it someday (piano cover)
The Flower Bouquet that is Filled with Love (piano cover)
I Can Surely Fly In The Sky (FluteCover Ver.)
KAMADO TANJIROUNO UTA (piano cover version)
every little thing every precious thing (piano cover version)
J-Pop Piano Collection (Random version 1)
Laputa Carrying you (piano cover version)
J-Pop Piano Collection (Random version 2)
A Whole New World (Instrumental) [Cover]
Kawaikutegomen (feat. HoneyWorks & capi) [Fantasy Version]
Kawaikutegomen (feat. HoneyWorks & capi) [Acoustic Version]