Masabumi Kikuchi
type: MusicGroup
genre: jazz
genre: jazz fusion
description: was a Japanese jazz pianist and composer known for his unique playing style. He worked with many diverse musicians, including Sonny Rollins, Miles Davis, McCoy Tyner, Elvin Jones, Gary Peacock and Pa
popularity: 27
followers: 15695
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additional property: OTSVerifyInstructions
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  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
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  date published: 2026-06-12T19:28:13Z
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album: 再確認そして発展
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  date published: 1970-01-01
album: POO-SUN
  type: MusicAlbum
  date published: 1970-01-01
album: ポエジー
  type: MusicAlbum
  date published: 1971-01-01
album: イースト・ウィンド
  type: MusicAlbum
  date published: 1974-10-05
album: Black Orpheus (Live)
  type: MusicAlbum
  date published: 2016-04-01
album: Black Orpheus (Live)
  type: MusicAlbum
  date published: 2016-04-01
album: ススト
  type: MusicAlbum
  date published: 2016-04-27
  track: サークル/ライン
    type: MusicRecording
    duration: PT14M57S
    duration ms: 897426
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    by artist: Masabumi Kikuchi
    in album: ススト
      type: MusicAlbum
      date published: 2016-04-27
    genre: jazz
    genre: jazz fusion
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    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
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      date published: 2026-07-04T10:04:33Z
    audio: サークル/ライン
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album: マトリックス
  type: MusicAlbum
  date published: 2017-10-25
  track: グリーン・ドルフィン・ストリート
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    by artist: Masabumi Kikuchi
    in album: マトリックス
      type: MusicAlbum
      date published: 2017-10-25
    genre: jazz
    genre: jazz fusion
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    additional property: OTSVerifyInstructions
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      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
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      date published: 2026-07-16T22:37:47Z
    audio: グリーン・ドルフィン・ストリート
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      additional property: Valence (Positivity)
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      additional property: Mode Name
  track: 黒いオルフェ
album: Aurora
album: Attached(未練)
album: Dreamachine
album: Little Abi
album: Hanamichi
album: Manhã de Carnaval
album: Alone Together
album: Improvisation III
album: Hanamichi - The Final Studio Recording, Vol. II

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Time Signature
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Danceability
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Energy
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Speechiness
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Acousticness
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Instrumentalness
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Liveness
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Valence (Positivity)
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Loudness (dB)
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Key Name
type: PropertyValue
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Mode Name
type: PropertyValue
value: Major

黒いオルフェ
type: MusicRecording
duration: PT7M40S
duration ms: 460080
explicit: false
by artist: Masabumi Kikuchi
in album: マトリックス
  type: MusicAlbum
  date published: 2017-10-25
genre: jazz
genre: jazz fusion
isrc code: JPVI01526230
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39965e73493e249cdce87ddc3d5740edef5aa952f43e3402da2b346c4f0ee622. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/JPVI01526230.
  date published: 2026-07-04T11:19:20Z
audio: 黒いオルフェ
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  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Aurora
type: MusicAlbum
date published: 2019-01-23

Aurora
type: MusicAlbum
date published: 2019-01-23

Attached(未練)
type: MusicAlbum
date published: 2019-01-23

Attached(未練)
type: MusicAlbum
date published: 2019-01-23

Dreamachine
type: MusicAlbum
date published: 2019-01-23

Attached(未練)
type: MusicAlbum
date published: 2019-01-23
track: A Short Piece
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  duration: PT1M44S
  duration ms: 104333
  explicit: false
  by artist: Masabumi Kikuchi
  in album: Attached(未練)
    type: MusicAlbum
    date published: 2019-01-23
  genre: jazz
  genre: jazz fusion
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  additional property: OTSTimestamp
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  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
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    date published: 2026-07-17T00:53:26Z
  audio: A Short Piece
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Speechiness
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
      type: PropertyValue
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    additional property: Mode Name
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Dreamachine
type: MusicAlbum
date published: 2019-01-23

Dreamachine
type: MusicAlbum
date published: 2019-01-23

Little Abi
type: MusicAlbum
date published: 2021-03-03

Hanamichi
type: MusicAlbum
date published: 2021-04-16

Manhã de Carnaval
type: MusicAlbum
date published: 2025-09-05
track: Manhã de Carnaval
  type: MusicRecording
  duration: PT7M59S
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  explicit: false
  by artist: Masabumi Kikuchi
  in album: Manhã de Carnaval
    type: MusicAlbum
    date published: 2025-09-05
  genre: jazz
  genre: jazz fusion
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    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMH62500011
  additional property: OTSTimestamp
    type: PropertyValue
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  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 0x12f500b6bdce33bc9a37a3c3a817ea059c7e047aeec070341b8a20c9caec36f2. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/QZMH62500011.
    date published: 2026-07-03T10:47:44Z
  audio: Manhã de Carnaval
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    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.992
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
      type: PropertyValue
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    additional property: Mode Name
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Alone Together
type: MusicAlbum
date published: 2025-09-19
track: Alone Together
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  by artist: Masabumi Kikuchi
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    type: MusicAlbum
    date published: 2025-09-19
  genre: jazz
  genre: jazz fusion
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  additional property: OTSVerificationAPI
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  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
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  audio: Alone Together
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Improvisation III
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date published: 2025-10-03

Hanamichi - The Final Studio Recording, Vol. II
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date published: 2025-10-24