星谷悠太(CV:花江夏樹)
type: MusicGroup
popularity: 15
followers: 857
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb0209a8d5127485c41526b83249527df8831b835f5f53876c5c91042f0053901
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953733
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953733
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/98512a92-2b20-422b-9781-cb9a2192fec4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/98512a92-2b20-422b-9781-cb9a2192fec4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/98512a92-2b20-422b-9781-cb9a2192fec4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T03:12:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb0209a8d5127485c41526b83249527df8831b835f5f53876c5c91042f0053901","name":"星谷悠太(CV:花江夏樹)","registered_at":"2026-06-14T20:23:44Z","symbol":"NIM0566368","token_address":"0x1ce362904c0f400c5779a1298d430007fa644b4c","type":"artist","uuid":"98512a92-2b20-422b-9781-cb9a2192fec4"}
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 0xb0209a8d5127485c41526b83249527df8831b835f5f53876c5c91042f0053901. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/98512a92-2b20-422b-9781-cb9a2192fec4.json and https://artists.proofprofile.net/proofs/artist/98512a92-2b20-422b-9781-cb9a2192fec4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:50:11Z
  text: {"copyright_id":"0xb0209a8d5127485c41526b83249527df8831b835f5f53876c5c91042f0053901","name":"星谷悠太(CV:花江夏樹)","registered_at":"2026-06-14T20:23:44Z","symbol":"NIM0566368","token_address":"0x1ce362904c0f400c5779a1298d430007fa644b4c","type":"artist","uuid":"98512a92-2b20-422b-9781-cb9a2192fec4"}
album: ☆SHOW TIME 1☆星谷悠太&那雪 透/｢スタミュ｣ミュージカルソングシリーズ
  type: MusicAlbum
  date published: 2015-10-07
album: ☆SHOW TIME 1☆星谷悠太&那雪 透/｢スタミュ｣ミュージカルソングシリーズ
  type: MusicAlbum
  date published: 2015-10-07
album: ☆2nd SHOW TIME 8☆ 星谷×揚羽&揚羽×遥斗/「スタミュ」ミュージカルソングシリーズ
  type: MusicAlbum
  date published: 2017-05-24
album: ☆2nd SHOW TIME 8☆ 星谷×揚羽&揚羽×遥斗/「スタミュ」ミュージカルソングシリーズ
  type: MusicAlbum
  date published: 2017-05-24
album: 3rd SHOW TIME 1 STARMYU
  type: MusicAlbum
  date published: 2019-07-03
album: ☆3rd SHOW TIME 1☆ 星谷悠太＆華桜会/｢スタミュ｣ミュージカルソングシリーズ
  type: MusicAlbum
  date published: 2019-07-03