Yoko Hatanaka
type: MusicGroup
genre: city pop
genre: enka
genre: j-pop
genre: kayokyoku
popularity: 23
followers: 2496
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1d23d352b24bfdd4574359169dfecbcd917e902036cd7be49100217cfa2e6644
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ef536a20-e58c-46f9-9fd0-0bacc17621df.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ef536a20-e58c-46f9-9fd0-0bacc17621df.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ef536a20-e58c-46f9-9fd0-0bacc17621df
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1d23d352b24bfdd4574359169dfecbcd917e902036cd7be49100217cfa2e6644","name":"Yoko Hatanaka","registered_at":"2026-06-12T13:13:00Z","symbol":"NIM0308197","token_address":"0x5f3159ce2e9543a83866b0bc52e6f5a0a0a1c533","type":"artist","uuid":"ef536a20-e58c-46f9-9fd0-0bacc17621df"}
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 0x1d23d352b24bfdd4574359169dfecbcd917e902036cd7be49100217cfa2e6644. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ef536a20-e58c-46f9-9fd0-0bacc17621df.json and https://artists.proofprofile.net/proofs/artist/ef536a20-e58c-46f9-9fd0-0bacc17621df.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x1d23d352b24bfdd4574359169dfecbcd917e902036cd7be49100217cfa2e6644","name":"Yoko Hatanaka","registered_at":"2026-06-12T13:13:00Z","symbol":"NIM0308197","token_address":"0x5f3159ce2e9543a83866b0bc52e6f5a0a0a1c533","type":"artist","uuid":"ef536a20-e58c-46f9-9fd0-0bacc17621df"}
album: ロミオとジュリエット'79
  type: MusicAlbum
  date published: 1979
album: Romeo & Juliet '79
  type: MusicAlbum
  date published: 1979
album: 後から前から
  type: MusicAlbum
  date published: 1980
album: Ushiro kara Mae kara
  type: MusicAlbum
  date published: 1980
album: ダスターシュート・ベイビー
  type: MusicAlbum
  date published: 1981
album: もっと動いて
  type: MusicAlbum
  date published: 1981
album: Motto Ugoite
  type: MusicAlbum
  date published: 1981
album: Dustershoot Baby
  type: MusicAlbum
  date published: 1981
album: Marunouchi Story
  type: MusicAlbum
  date published: 1982
album: 丸の内ストーリー
  type: MusicAlbum
  date published: 1982
album: 愛はMUSIC
  type: MusicAlbum
  date published: 1983
album: Ai wa Music
  type: MusicAlbum
  date published: 1983
album: GOLDEN☆BEST
  type: MusicAlbum
  date published: 2007-09-21
album: 強行突破
  type: MusicAlbum
  date published: 2014-09-03
album: メタモルフォーゼ
  type: MusicAlbum
  date published: 2014-09-03
album: 香艶的夜總會（ロマンチック・ナイトクラブ）
  type: MusicAlbum
  date published: 2014-09-03
album: 白日夢
  type: MusicAlbum
  date published: 2014-09-03
  track: 後から前から
    type: MusicRecording
    duration: PT3M32S
    duration ms: 212623
    explicit: false
    by artist: Yoko Hatanaka
    in album: 白日夢
      type: MusicAlbum
      date published: 2014-09-03
    genre: city pop
    genre: enka
    genre: j-pop
    genre: kayokyoku
    isrc code: JPVI01416700
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T00:32:27+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x95cbc439b6ae3858b5dbd555b0031f752a5fe1c22b1cc1b10ee3283555407eb9
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958474
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958474
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI01416700
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T00:59:09Z
    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 0x95cbc439b6ae3858b5dbd555b0031f752a5fe1c22b1cc1b10ee3283555407eb9. Chain 2 (Bitcoin): anchored in block 958474 (2026-07-18T00:59:09Z), 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/JPVI01416700.
      date published: 2026-07-18T00:59:09Z
    audio: 後から前から
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 133.804
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.785
      additional property: Energy
        type: PropertyValue
        value: 0.691
      additional property: Speechiness
        type: PropertyValue
        value: 0.031
      additional property: Acousticness
        type: PropertyValue
        value: 0.637
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.125
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.846
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.386
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: もっと動いて
    type: MusicRecording
    duration: PT2M51S
    duration ms: 171529
    explicit: false
    by artist: Yoko Hatanaka
    in album: 白日夢
      type: MusicAlbum
      date published: 2014-09-03
    genre: city pop
    genre: enka
    genre: j-pop
    genre: kayokyoku
    isrc code: JPVI01416760
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T13:42:19+00:00
    additional property: CopyrightChainExplorerURL
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: もっと動いて
  track: 経験
album: GET BACK YOKO!!
album: ラブ・レター・フロム・ヨーコ
album: 夜雲影
album: Yaunei
album: 八丈島からの手紙

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x41a4bf3768be3aa02e7a11a8a57a0f0aaf95819ec2ae44be7274e19b281cfec2

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 958901

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958901

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI01416760

OTSTimestamp
type: PropertyValue
value: 2026-07-20T18:00:11Z

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 0x41a4bf3768be3aa02e7a11a8a57a0f0aaf95819ec2ae44be7274e19b281cfec2. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T18:00:11Z), 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/JPVI01416760.
date published: 2026-07-20T18:00:11Z

もっと動いて
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 138.961
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.718
additional property: Energy
  type: PropertyValue
  value: 0.723
additional property: Speechiness
  type: PropertyValue
  value: 0.029
additional property: Acousticness
  type: PropertyValue
  value: 0.375
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.325
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.932
additional property: Loudness (dB)
  type: PropertyValue
  value: -6.39
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Minor

経験
type: MusicRecording
duration: PT3M12S
duration ms: 192755
explicit: false
by artist: Yoko Hatanaka
in album: 白日夢
  type: MusicAlbum
  date published: 2014-09-03
genre: city pop
genre: enka
genre: j-pop
genre: kayokyoku
isrc code: JPVI01416780
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T13:39:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x08d2cd753e208792123c74e1e0ff5f9a6707f98b310f6d7aeb02bbf244e37da5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956728
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI01416780
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:43:49Z
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 0x08d2cd753e208792123c74e1e0ff5f9a6707f98b310f6d7aeb02bbf244e37da5. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/JPVI01416780.
  date published: 2026-07-05T01:43:49Z
audio: 経験
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.114
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.739
  additional property: Energy
    type: PropertyValue
    value: 0.606
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.19
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.335
  additional property: Liveness
    type: PropertyValue
    value: 0.386
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.882
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.359
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

GET BACK YOKO!!
type: MusicAlbum
date published: 2016-05-11

ラブ・レター・フロム・ヨーコ
type: MusicAlbum
date published: 2018-07-11
track: ぼくの先生はフィーバー
  type: MusicRecording
  duration: PT3M52S
  duration ms: 232400
  explicit: false
  by artist: Yoko Hatanaka
  in album: ラブ・レター・フロム・ヨーコ
    type: MusicAlbum
    date published: 2018-07-11
  genre: city pop
  genre: enka
  genre: j-pop
  genre: kayokyoku
  isrc code: JPB621800362
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T07:36:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5787106b8c80f28d9958cace8e3c808b74cf93a89c9e6a4d3db5e5eb4ffe4673
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958263
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958263
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB621800362
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T08:19:47Z
  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 0x5787106b8c80f28d9958cace8e3c808b74cf93a89c9e6a4d3db5e5eb4ffe4673. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T08:19:47Z), 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/JPB621800362.
    date published: 2026-07-16T08:19:47Z
  audio: ぼくの先生はフィーバー
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 114.898
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.621
    additional property: Energy
      type: PropertyValue
      value: 0.895
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.175
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.092
    additional property: Liveness
      type: PropertyValue
      value: 0.186
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.896
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.073
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

夜雲影
type: MusicAlbum
date published: 2022-10-19

Yaunei
type: MusicAlbum
date published: 2022-10-19

八丈島からの手紙
type: MusicAlbum
date published: 2023-07-19