Masaki Hanakata
type: MusicGroup
popularity: 7
followers: 572
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2776048042afeff5c61e550c6670936f36c09acf766eb5cd438a2f8e4ac0e888
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954689
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954689
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e2b9c8c7-07bb-410e-a15c-07170debb5a9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e2b9c8c7-07bb-410e-a15c-07170debb5a9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e2b9c8c7-07bb-410e-a15c-07170debb5a9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T10:35:31Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2776048042afeff5c61e550c6670936f36c09acf766eb5cd438a2f8e4ac0e888","name":"Masaki Hanakata","registered_at":"2026-06-21T07:23:48Z","symbol":"NIM1861459","token_address":"0xf4609bfcbd155f489e6e067c5c083bdeaa9a7a6c","type":"artist","uuid":"e2b9c8c7-07bb-410e-a15c-07170debb5a9"}
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 0x2776048042afeff5c61e550c6670936f36c09acf766eb5cd438a2f8e4ac0e888. Chain 2 (Bitcoin): anchored in block 954689 (2026-06-21T10:35:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e2b9c8c7-07bb-410e-a15c-07170debb5a9.json and https://artists.proofprofile.net/proofs/artist/e2b9c8c7-07bb-410e-a15c-07170debb5a9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T10:35:31Z
  text: {"copyright_id":"0x2776048042afeff5c61e550c6670936f36c09acf766eb5cd438a2f8e4ac0e888","name":"Masaki Hanakata","registered_at":"2026-06-21T07:23:48Z","symbol":"NIM1861459","token_address":"0xf4609bfcbd155f489e6e067c5c083bdeaa9a7a6c","type":"artist","uuid":"e2b9c8c7-07bb-410e-a15c-07170debb5a9"}
album: Lentment
  type: MusicAlbum
  date published: 2014-06-18
album: Lentment
  type: MusicAlbum
  date published: 2014-06-18
album: Lentment
  type: MusicAlbum
  date published: 2015-06-15
album: Bremen soundtrack
  type: MusicAlbum
  date published: 2017-07-19
album: Bremen soundtrack
  type: MusicAlbum
  date published: 2017-07-19
album: Hippopotamus
  type: MusicAlbum
  date published: 2017-12-15
album: Hippopotamus/Port Elephant
  type: MusicAlbum
  date published: 2018-01-26
album: MARVEL
  type: MusicAlbum
  date published: 2019-03-06
album: MARVEL
  type: MusicAlbum
  date published: 2019-03-06
album: SONGBOOK1
  type: MusicAlbum
  date published: 2019-12-18
album: SONGBOOK1
  type: MusicAlbum
  date published: 2019-12-18
album: Circus
  type: MusicAlbum
  date published: 2020-09-04
album: Houseworks story
  type: MusicAlbum
  date published: 2021-04-01
album: Houseworks story
  type: MusicAlbum
  date published: 2021-04-01
album: future
  type: MusicAlbum
  date published: 2022-07-13
album: Small Melodies
  type: MusicAlbum
  date published: 2022-10-12
album: Small Melodies
  type: MusicAlbum
  date published: 2022-10-12
album: 演劇 花咲く港 オリジナル・サウンドトラック
  type: MusicAlbum
  date published: 2023-06-06
album: 音楽劇 小さな星の王子さま オリジナル・サウンドトラック
  type: MusicAlbum
  date published: 2023-06-06
album: Hana Saku Minato Original Sound Track
  type: MusicAlbum
  date published: 2023-06-06
album: The Little Prince Original Sound Track
  type: MusicAlbum
  date published: 2023-06-06
album: 時計のひとりごと
  type: MusicAlbum
  date published: 2023-08-12
album: Clock Soliloquy
  type: MusicAlbum
  date published: 2023-08-12
album: Liberty
  type: MusicAlbum
  date published: 2024-03-12
album: Liberty
  type: MusicAlbum
  date published: 2024-03-12
album: Parade
  type: MusicAlbum
  date published: 2024-11-14
album: パレード
  type: MusicAlbum
  date published: 2024-11-14
album: Happy Christmas
  type: MusicAlbum
  date published: 2024-11-29
album: SONGBOOK2
  type: MusicAlbum
  date published: 2025-08-01
album: SONGBOOK2
  type: MusicAlbum
  date published: 2025-08-01
album: The Little Prince - Original Soundtrack of the New Festival Musical
  type: MusicAlbum
  date published: 2025-10-18
album: 新・祝祭音楽劇 小さな星の王子さま オリジナル・サウンドトラック
  type: MusicAlbum
  date published: 2025-10-18