HISASHI KANZAKI
type: MusicGroup
genre: bossa nova
genre: smooth jazz
popularity: 5
followers: 18
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x99048068afb49893ced2f0431ae9c18e4ec8842ffd79c2258fa2d520ebae9c8b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bc8d847d-63d0-4c7b-966f-775f8733d35a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bc8d847d-63d0-4c7b-966f-775f8733d35a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/bc8d847d-63d0-4c7b-966f-775f8733d35a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x99048068afb49893ced2f0431ae9c18e4ec8842ffd79c2258fa2d520ebae9c8b","name":"HISASHI KANZAKI","registered_at":"2026-06-20T17:44:16Z","symbol":"NIM1669733","token_address":"0x9a667f5dd2b5169a9b00de4c47e6bd198f1e9825","type":"artist","uuid":"bc8d847d-63d0-4c7b-966f-775f8733d35a"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99048068afb49893ced2f0431ae9c18e4ec8842ffd79c2258fa2d520ebae9c8b. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bc8d847d-63d0-4c7b-966f-775f8733d35a.json and https://artists.proofprofile.net/proofs/artist/bc8d847d-63d0-4c7b-966f-775f8733d35a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x99048068afb49893ced2f0431ae9c18e4ec8842ffd79c2258fa2d520ebae9c8b","name":"HISASHI KANZAKI","registered_at":"2026-06-20T17:44:16Z","symbol":"NIM1669733","token_address":"0x9a667f5dd2b5169a9b00de4c47e6bd198f1e9825","type":"artist","uuid":"bc8d847d-63d0-4c7b-966f-775f8733d35a"}
album: IN THE BREEZE
  type: MusicAlbum
  date published: 2016-08-13
album: Wish you were here (boy soprano version)
  type: MusicAlbum
  date published: 2020-12-25
album: Looking Back
  type: MusicAlbum
  date published: 2023-05-29
album: Looking Back
  type: MusicAlbum
  date published: 2023-05-29
album: 精一杯の恋
  type: MusicAlbum
  date published: 2024-06-24
album: The Cool Summer Serenade
  type: MusicAlbum
  date published: 2024-07-04
album: The Cool Summer Serenade
  type: MusicAlbum
  date published: 2024-07-05
album: Fool of Love
  type: MusicAlbum
  date published: 2024-07-20
album: 君と奏でる恋の調べ
  type: MusicAlbum
  date published: 2024-07-27
album: The Sparkle of That Summer
  type: MusicAlbum
  date published: 2024-08-08
album: The Sparkle of That Summer
  type: MusicAlbum
  date published: 2024-08-08
album: 恋が消えない
  type: MusicAlbum
  date published: 2024-08-31
album: Instrumentals in the Breeze
  type: MusicAlbum
  date published: 2024-11-01
album: Instrumentals in the Breeze
  type: MusicAlbum
  date published: 2024-11-01
album: 限りある時を超えて
  type: MusicAlbum
  date published: 2024-11-19
album: 歌がつなぐ
  type: MusicAlbum
  date published: 2024-11-29
album: 巡る季節に恋をはぐくみ
  type: MusicAlbum
  date published: 2024-12-12
album: Seeds of Hope
  type: MusicAlbum
  date published: 2025-01-10
album: 君への扉
  type: MusicAlbum
  date published: 2025-01-24
album: The Waves Call Gently
  type: MusicAlbum
  date published: 2025-02-07
album: Moon Rabbit’s Message
  type: MusicAlbum
  date published: 2025-02-14
album: 月ウサギの願い
  type: MusicAlbum
  date published: 2025-02-21
album: Springtime Heartbeat
  type: MusicAlbum
  date published: 2025-02-28
album: Grandma's Magic
  type: MusicAlbum
  date published: 2025-03-07
album: 君が残した愛
  type: MusicAlbum
  date published: 2025-03-14
album: Love's Like Jellybeans
  type: MusicAlbum
  date published: 2025-03-21
album: You, the Sun and the Moon
  type: MusicAlbum
  date published: 2025-04-05
album: 昆虫少年の夏
  type: MusicAlbum
  date published: 2025-05-26
album: Time Flies, We Keep Pace
  type: MusicAlbum
  date published: 2025-07-21
album: Moon Gravity Love
  type: MusicAlbum
  date published: 2025-07-27
album: The Hot Spring Night
  type: MusicAlbum
  date published: 2025-07-27
album: I'll Be Your Calm
  type: MusicAlbum
  date published: 2025-07-29
album: Angel and Shadows
  type: MusicAlbum
  date published: 2025-08-04
album: Don't Let This Fire Die
  type: MusicAlbum
  date published: 2025-10-02