Kaori Okui
type: MusicGroup
genre: city pop
genre: enka
popularity: 7
followers: 829
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7d54307f8f1064584663358b0ea1d0a093731a48b2764914dc3d096b43f2b374
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f9cccf8d-a883-438e-a3e5-dc1bea69b88f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f9cccf8d-a883-438e-a3e5-dc1bea69b88f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f9cccf8d-a883-438e-a3e5-dc1bea69b88f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7d54307f8f1064584663358b0ea1d0a093731a48b2764914dc3d096b43f2b374","name":"Kaori Okui","registered_at":"2026-06-21T16:48:59Z","symbol":"NIM1974504","token_address":"0xd0ece91d293bf764fa6055c2da5e9043f7b070db","type":"artist","uuid":"f9cccf8d-a883-438e-a3e5-dc1bea69b88f"}
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 0x7d54307f8f1064584663358b0ea1d0a093731a48b2764914dc3d096b43f2b374. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f9cccf8d-a883-438e-a3e5-dc1bea69b88f.json and https://artists.proofprofile.net/proofs/artist/f9cccf8d-a883-438e-a3e5-dc1bea69b88f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0x7d54307f8f1064584663358b0ea1d0a093731a48b2764914dc3d096b43f2b374","name":"Kaori Okui","registered_at":"2026-06-21T16:48:59Z","symbol":"NIM1974504","token_address":"0xd0ece91d293bf764fa6055c2da5e9043f7b070db","type":"artist","uuid":"f9cccf8d-a883-438e-a3e5-dc1bea69b88f"}
album: SYMPHONIC PRINCESS(奥居 香作品集)
  type: MusicAlbum
  date published: 1992-01-21
album: 奇跡の時
  type: MusicAlbum
  date published: 1994
album: VANISHING
  type: MusicAlbum
  date published: 1994
album: Ｒｅｎａｉｓｓａｎｃｅ
  type: MusicAlbum
  date published: 1994
  track: あなたがそばにいる理由
    type: MusicRecording
    duration: PT4M53S
    duration ms: 293400
    explicit: false
    by artist: Kaori Okui
    in album: Ｒｅｎａｉｓｓａｎｃｅ
      type: MusicAlbum
      date published: 1994
    genre: city pop
    genre: enka
    isrc code: JPSR09402323
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T23:26:55+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb40e6782671f4bdf666eea099ad7028666e065a554912f99a3d6a27a1a7633c7
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958798
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958798
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPSR09402323
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T02:28:54Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb40e6782671f4bdf666eea099ad7028666e065a554912f99a3d6a27a1a7633c7. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T02:28:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPSR09402323.
      date published: 2026-07-20T02:28:54Z
    audio: あなたがそばにいる理由
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 80.937
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.658
      additional property: Energy
        type: PropertyValue
        value: 0.492
      additional property: Speechiness
        type: PropertyValue
        value: 0.03
      additional property: Acousticness
        type: PropertyValue
        value: 0.306
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.001
      additional property: Liveness
        type: PropertyValue
        value: 0.047
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.831
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.442
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Ｒｅｎａｉｓｓａｎｃｅ
  type: MusicAlbum
  date published: 1994-11-21
album: shout
  type: MusicAlbum
  date published: 1997
  track: ハッピーマン
    type: MusicRecording
    duration: PT4M5S
    duration ms: 245133
    explicit: false
    by artist: Kaori Okui
    in album: shout
      type: MusicAlbum
      date published: 1997
    genre: city pop
    genre: enka
    isrc code: JPSR09700360
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T17:37:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xee2940a0466a3a2b641a99f2ae20f4d869b1f12982d5dd93bf0e1ba35b393d57
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958601
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958601
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPSR09700360
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T19:27:02Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee2940a0466a3a2b641a99f2ae20f4d869b1f12982d5dd93bf0e1ba35b393d57. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPSR09700360.
      date published: 2026-07-18T19:27:02Z
    audio: ハッピーマン
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 102.025
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.53
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: 香
album: 彼女
album: SPARKLE
album: ハッピーマン
album: ひまわり

Energy
type: PropertyValue
value: 0.961

Speechiness
type: PropertyValue
value: 0.068

Acousticness
type: PropertyValue
value: 0.002

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.137

Valence (Positivity)
type: PropertyValue
value: 0.46

Loudness (dB)
type: PropertyValue
value: -2.677

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

shout
type: MusicAlbum
date published: 1997-07-21

香
type: MusicAlbum
date published: 1998

彼女
type: MusicAlbum
date published: 1998

香
type: MusicAlbum
date published: 1998-07-01

SPARKLE
type: MusicAlbum
date published: 2013-08-21

SPARKLE
type: MusicAlbum
date published: 2013-08-21

ハッピーマン
type: MusicAlbum
date published: 2013-08-21

ひまわり
type: MusicAlbum
date published: 2013-08-21

ひまわり
type: MusicAlbum
date published: 2013-08-21