Yosuke Yamashita
type: MusicGroup
genre: free jazz
popularity: 14
followers: 5773
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x39de79dcd35a18ae721745e34f4b006b7b8f8ab4e453d5705f223ab155bfe38f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953741
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953741
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9e61e4cc-17fa-421d-9954-54dc40d47f18.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9e61e4cc-17fa-421d-9954-54dc40d47f18.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9e61e4cc-17fa-421d-9954-54dc40d47f18
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T04:44:49Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x39de79dcd35a18ae721745e34f4b006b7b8f8ab4e453d5705f223ab155bfe38f","name":"Yosuke Yamashita","registered_at":"2026-06-14T21:07:45Z","symbol":"NIM0576861","token_address":"0x2deabeb3efe226c9f7691b063c586771b164f59b","type":"artist","uuid":"9e61e4cc-17fa-421d-9954-54dc40d47f18"}
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 0x39de79dcd35a18ae721745e34f4b006b7b8f8ab4e453d5705f223ab155bfe38f. Chain 2 (Bitcoin): anchored in block 953741 (2026-06-15T04:44:49Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9e61e4cc-17fa-421d-9954-54dc40d47f18.json and https://artists.proofprofile.net/proofs/artist/9e61e4cc-17fa-421d-9954-54dc40d47f18.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:44:49Z
  text: {"copyright_id":"0x39de79dcd35a18ae721745e34f4b006b7b8f8ab4e453d5705f223ab155bfe38f","name":"Yosuke Yamashita","registered_at":"2026-06-14T21:07:45Z","symbol":"NIM0576861","token_address":"0x2deabeb3efe226c9f7691b063c586771b164f59b","type":"artist","uuid":"9e61e4cc-17fa-421d-9954-54dc40d47f18"}
album: 山下洋輔トリオとブラス１２
  type: MusicAlbum
  date published: 1971-06-21
album: Clay
  type: MusicAlbum
  date published: 1974
album: Chiasma (Remastered 2025)
  type: MusicAlbum
  date published: 1975-06-01
album: ライヴ＆ゼン…ピカソ［+5］
  type: MusicAlbum
  date published: 1983-05-21
album: Spider
  type: MusicAlbum
  date published: 1996-04-17
album: スパイダー
  type: MusicAlbum
  date published: 1996-04-22
  track: クワイエット・デイズ
    type: MusicRecording
    duration: PT4M25S
    duration ms: 265026
    explicit: false
    by artist: Yosuke Yamashita
    in album: スパイダー
      type: MusicAlbum
      date published: 1996-04-22
    genre: free jazz
    isrc code: JPPO00317610
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T05:56:09+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x40056585bf72fb230e446af421fe315c254151feda3070ac7bbdfed7abcecdc3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958681
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958681
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO00317610
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T06:14:54Z
    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 0x40056585bf72fb230e446af421fe315c254151feda3070ac7bbdfed7abcecdc3. Chain 2 (Bitcoin): anchored in block 958681 (2026-07-19T06:14:54Z), 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/JPPO00317610.
      date published: 2026-07-19T06:14:54Z
    audio: クワイエット・デイズ
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 64.975
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.376
      additional property: Energy
        type: PropertyValue
        value: 0.093
      additional property: Speechiness
        type: PropertyValue
        value: 0.043
      additional property: Acousticness
        type: PropertyValue
        value: 0.872
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.938
      additional property: Liveness
        type: PropertyValue
        value: 0.231
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.155
      additional property: Loudness (dB)
        type: PropertyValue
        value: -29.134
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: フィールド・オブ・グルーヴス
  type: MusicAlbum
  date published: 2001
album: ウィンド・オブ・エイジ
  type: MusicAlbum
  date published: 2003
album: トリプル・キャッツ
  type: MusicAlbum
  date published: 2008-03-26
album: スパークリング・メモリーズ
  type: MusicAlbum
  date published: 2012-01-01
album: Inner Space
  type: MusicAlbum
  date published: 2014-04-23
album: ラプソディ・イン・ブルー
  type: MusicAlbum
  date published: 2014-05-14
album: ミナのセカンド・テーマ
  type: MusicAlbum
  date published: 2015-11-20
album: BANSLIKANA (Remaster)
  type: MusicAlbum
  date published: 2020-04-22
album: BOLERO
  type: MusicAlbum
  date published: 2020-07-29
album: QUIET MEMORIES
  type: MusicAlbum
  date published: 2020-12-25
  track: Where are You Now?
    type: MusicRecording
    duration: PT3M59S
    duration ms: 239165
    explicit: false
    by artist: Yosuke Yamashita
    in album: QUIET MEMORIES
      type: MusicAlbum
      date published: 2020-12-25
    genre: free jazz
    isrc code: TCJPN2018601
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T01:16:11+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf980a167fd48b412a1b1ab0006fd7e140de6239ae6e7e1989bfb658c91affba0
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958224
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958224
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPN2018601
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Where are You Now?
album: クワイエット・メモリーズ
album: 風姿 ～ 忘れがたき男たち

OTSTimestamp
type: PropertyValue
value: 2026-07-16T02:28:43Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf980a167fd48b412a1b1ab0006fd7e140de6239ae6e7e1989bfb658c91affba0. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/TCJPN2018601.
date published: 2026-07-16T02:28:43Z

Where are You Now?
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 110.345
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.358
additional property: Energy
  type: PropertyValue
  value: 0.081
additional property: Speechiness
  type: PropertyValue
  value: 0.053
additional property: Acousticness
  type: PropertyValue
  value: 0.983
additional property: Instrumentalness
  type: PropertyValue
  value: 0.905
additional property: Liveness
  type: PropertyValue
  value: 0.113
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.047
additional property: Loudness (dB)
  type: PropertyValue
  value: -22.42
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

クワイエット・メモリーズ
type: MusicAlbum
date published: 2020-12-25
track: Where are You Now?
  type: MusicRecording
  duration: PT3M59S
  duration ms: 239165
  explicit: false
  by artist: Yosuke Yamashita
  in album: クワイエット・メモリーズ
    type: MusicAlbum
    date published: 2020-12-25
  genre: free jazz
  isrc code: TCJPN2018601
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf980a167fd48b412a1b1ab0006fd7e140de6239ae6e7e1989bfb658c91affba0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958690
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958690
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPN2018601
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T07:14:39Z
  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 0xf980a167fd48b412a1b1ab0006fd7e140de6239ae6e7e1989bfb658c91affba0. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/TCJPN2018601.
    date published: 2026-07-19T07:14:39Z
  audio: Where are You Now?
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 110.345
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.358
    additional property: Energy
      type: PropertyValue
      value: 0.081
    additional property: Speechiness
      type: PropertyValue
      value: 0.053
    additional property: Acousticness
      type: PropertyValue
      value: 0.983
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.905
    additional property: Liveness
      type: PropertyValue
      value: 0.113
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.047
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.42
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

風姿 ～ 忘れがたき男たち
type: MusicAlbum
date published: 2021-05-15