Kenji Niinuma
type: MusicGroup
genre: enka
genre: kayokyoku
genre: shibuya-kei
popularity: 34
followers: 10271
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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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/137d31ff-d44c-4fe4-b8b8-80f995d0d40b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/137d31ff-d44c-4fe4-b8b8-80f995d0d40b.json
additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x671249721f6cdbcacd1b10008a4c0a9ab452223c295a7b1fa6c481e5fda0427c. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/137d31ff-d44c-4fe4-b8b8-80f995d0d40b.json and https://artists.proofprofile.net/proofs/artist/137d31ff-d44c-4fe4-b8b8-80f995d0d40b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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album: おもいで岬 / 初恋夜曲
  type: MusicAlbum
  date published: 1976-02-01
album: 嫁に来ないか / 白百合の詩
  type: MusicAlbum
  date published: 1976-06-01
album: 村祭りの前に / 待てないだろうね
  type: MusicAlbum
  date published: 1977-06-01
album: 北挽歌・新沼謙治名唱集
  type: MusicAlbum
  date published: 1977-12-25
album: 黒潮列車 / いいやつだった
  type: MusicAlbum
  date published: 1978-08-10
album: 青春風景
  type: MusicAlbum
  date published: 1979-01-25
album: 青春想譜
  type: MusicAlbum
  date published: 1979-10-25
album: さすらい派
  type: MusicAlbum
  date published: 1980-05-25
album: ちいさな春
  type: MusicAlbum
  date published: 1981-04-25
album: 待たせたね / 恋港
  type: MusicAlbum
  date published: 1981-09-01
album: 北の故郷
  type: MusicAlbum
  date published: 1982-08-21
album: 厚田村 / 雨の想い出
  type: MusicAlbum
  date published: 1983-02-01
album: 有線ヒット 酒とふたりづれ
  type: MusicAlbum
  date published: 1983-10-21
album: 旅の章 / 片想いなら
  type: MusicAlbum
  date published: 1985-02-21
album: 男の未練 / 別れの素顔
  type: MusicAlbum
  date published: 1985-09-21
album: 情け川
  type: MusicAlbum
  date published: 1986-10-21
  track: 酒とふたりづれ
    type: MusicRecording
    duration: PT3M57S
    duration ms: 237133
    explicit: false
    by artist: Kenji Niinuma
    in album: 情け川
      type: MusicAlbum
      date published: 1986-10-21
    genre: enka
    genre: kayokyoku
    genre: shibuya-kei
    isrc code: JPCO08320270
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T05:03:35+00:00
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      value: 958245
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      type: PropertyValue
      value: https://blockstream.info/api/block-height/958245
    additional property: OTSVerificationAPI
      type: PropertyValue
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T08:03:51Z
    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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34e14cd1427dc1ebb56092962fb707c4dc02d9d20ec96d5b428c4aefd59f59bc. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T08:03:51Z), 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/JPCO08320270.
      date published: 2026-07-16T08:03:51Z
    audio: 酒とふたりづれ
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 82.843
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.411
      additional property: Energy
        type: PropertyValue
        value: 0.426
      additional property: Speechiness
        type: PropertyValue
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      additional property: Acousticness
        type: PropertyValue
        value: 0.711
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.126
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      additional property: Loudness (dB)
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        value: -12.78
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        type: PropertyValue
        value: E
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album: 津軽恋女 / さすらい本線
  type: MusicAlbum
  date published: 1987-02-21
album: 津軽恋女
  type: MusicAlbum
  date published: 1987-03-21
album: めぐり逢い赤坂 / 夜にかくれて
  type: MusicAlbum
  date published: 1987-10-21
album: さよなら橋 / 雨やどり
  type: MusicAlbum
  date published: 1988-06-01
album: おもいで岬
  type: MusicAlbum
  date published: 1988-11-21
album: さよなら橋／ヘッドライト
  type: MusicAlbum
  date published: 1989-03-25
album: 幸福の坂道／君よ 涙は
  type: MusicAlbum
  date published: 1989-05-21
album: 特選集 新沼謙治／渋谷ものがたり
  type: MusicAlbum
  date published: 1990-06-21
album: 渋谷ものがたり〜歌手生活１５周年記念〜
album: かりそめのラブ・ソング / 北の岬にて
album: 北を恋うる歌 / 硝子の街
album: おとこ唄ひとり / 再会の街
album: チェリオ！ / 不思議なワンモアチャンス
album: 歌手生活20周年記念 新沼謙治／わがまま
album: 新沼謙治 懐かしの名曲
album: 流浪人（さすらいびと） / 時の命ずるままに
album: 愛妻 北晩歌 / くちぐせ
album: 愛妻 北挽歌 / 新沼謙治 〜ふるさとを歌う〜
album: ひゅう・ひゅう・ひゅう〜風に笑われて〜／一人…南へ
album: 新沼謙治 古賀メロディを唄う
album: 飛行機雲 / 左官職人 こね太郎 / 左官職人 こね太郎（音頭篇）
album: 新沼謙治全曲集 左官職人こね太郎
album: 新沼謙治 名曲選／旅路
album: 新沼謙治全曲集 / 旅路
album: 定番 歌カラ ベスト 3 新沼謙治 嫁にこないか / 津軽恋女 / ヘッドライト
album: 風列車
album: 新沼謙治全曲集 風列車
album: 名曲カバー傑作撰
album: 陽だまりの町
album: 新沼謙治全曲集 陽だまりの町
album: 銀河の町から
album: 新沼謙治 / 阿久悠を唄う
album: 雪の川 / 君のそばにいる
album: 新沼謙治全曲集 雪の川
album: 新沼謙治 スマートパック
album: 新沼謙治 魅惑のベスト・アルバム
album: 新沼謙治全曲集 雪の宿
album: 雪の宿
album: ふるさとの風景
album: 新沼謙治全曲集 今きたよ
album: (昭和アーカイブス) おもいで岬
album: (昭和アーカイブス) 野の花のようなきみへ
album: (昭和アーカイブス) 地図のない青春 新沼謙治 III
album: (昭和アーカイブス) 熱叫 一九七七年 夏 新沼謙治みちのく帰行
album: (昭和アーカイブス) 望郷詩集 新沼謙治 II
track: DISCO★PRINCE

DISCO★PRINCE
type: MusicRecording
duration: PT7M1S
duration ms: 421133
explicit: false
by artist: Kenji Niinuma
by artist: 塊魂 シリーズ SOUND TEAM
by artist: Bandai Namco Game Music
in album: We Love Katamari Original Soundtrack -Katamari wa Damacy
  type: MusicAlbum
  date published: 2024-09-26
isrc code: JPCO00521930
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T19:29:10+00:00
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  value: 953515
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  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:53:06+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff07585b3c4cfb0ce80e080827ffdcabf5c28ef68ddf82838d9667ee67881529. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/JPCO00521930.
  date published: 2026-06-13T12:53:06Z
audio: DISCO★PRINCE
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.584
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.773
  additional property: Energy
    type: PropertyValue
    value: 0.732
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.015
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.034
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.675
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.269
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
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渋谷ものがたり〜歌手生活１５周年記念〜
type: MusicAlbum
date published: 1990-07-21

かりそめのラブ・ソング / 北の岬にて
type: MusicAlbum
date published: 1990-08-21

北を恋うる歌 / 硝子の街
type: MusicAlbum
date published: 1991-04-01

おとこ唄ひとり / 再会の街
type: MusicAlbum
date published: 1993-04-01

チェリオ！ / 不思議なワンモアチャンス
type: MusicAlbum
date published: 1994-09-21

歌手生活20周年記念 新沼謙治／わがまま
type: MusicAlbum
date published: 1995-06-21

新沼謙治 懐かしの名曲
type: MusicAlbum
date published: 1996-10-19

流浪人（さすらいびと） / 時の命ずるままに
type: MusicAlbum
date published: 1998-05-21

愛妻 北晩歌 / くちぐせ
type: MusicAlbum
date published: 2000-01-21

愛妻 北挽歌 / 新沼謙治 〜ふるさとを歌う〜
type: MusicAlbum
date published: 2000-03-18

ひゅう・ひゅう・ひゅう〜風に笑われて〜／一人…南へ
type: MusicAlbum
date published: 2003-08-20

新沼謙治 古賀メロディを唄う
type: MusicAlbum
date published: 2003-12-10

飛行機雲 / 左官職人 こね太郎 / 左官職人 こね太郎（音頭篇）
type: MusicAlbum
date published: 2004-04-21

新沼謙治全曲集 左官職人こね太郎
type: MusicAlbum
date published: 2005-11-23

新沼謙治 名曲選／旅路
type: MusicAlbum
date published: 2007-07-04

新沼謙治全曲集 / 旅路
type: MusicAlbum
date published: 2007-10-17

定番 歌カラ ベスト 3 新沼謙治 嫁にこないか / 津軽恋女 / ヘッドライト
type: MusicAlbum
date published: 2008-04-23

風列車
type: MusicAlbum
date published: 2008-06-18

新沼謙治全曲集 風列車
type: MusicAlbum
date published: 2008-10-22

名曲カバー傑作撰
type: MusicAlbum
date published: 2009-02-18
track: 北国の春
  type: MusicRecording
  duration: PT3M50S
  duration ms: 230026
  explicit: false
  by artist: Kenji Niinuma
  in album: 名曲カバー傑作撰
    type: MusicAlbum
    date published: 2009-02-18
  genre: enka
  genre: kayokyoku
  genre: shibuya-kei
  isrc code: JPCO07709920
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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    type: PropertyValue
    value: 2026-07-15T21:25:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf03829d9484938c5f430121185878bcc97c403d1e27cf17b3d8ba55e1527023c
  additional property: OTSHash
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    value: https://blockstream.info/api/block-height/958212
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO07709920
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T00:33:28Z
  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 0xf03829d9484938c5f430121185878bcc97c403d1e27cf17b3d8ba55e1527023c. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-16T00:33:28Z), 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/JPCO07709920.
    date published: 2026-07-16T00:33:28Z
  audio: 北国の春
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 93.498
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.455
    additional property: Energy
      type: PropertyValue
      value: 0.531
    additional property: Speechiness
      type: PropertyValue
      value: 0.026
    additional property: Acousticness
      type: PropertyValue
      value: 0.254
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
      value: 0.113
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.45
    additional property: Loudness (dB)
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    additional property: Mode Name
      type: PropertyValue
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陽だまりの町
type: MusicAlbum
date published: 2009-03-18
track: 陽だまりの町
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246346
  explicit: false
  by artist: Kenji Niinuma
  in album: 陽だまりの町
    type: MusicAlbum
    date published: 2009-03-18
  genre: enka
  genre: kayokyoku
  genre: shibuya-kei
  isrc code: JPCO00902320
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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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新沼謙治全曲集 陽だまりの町
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date published: 2009-10-21

銀河の町から
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新沼謙治 / 阿久悠を唄う
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雪の川 / 君のそばにいる
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新沼謙治全曲集 雪の川
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新沼謙治 スマートパック
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新沼謙治 魅惑のベスト・アルバム
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新沼謙治全曲集 雪の宿
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雪の宿
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ふるさとの風景
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新沼謙治全曲集 今きたよ
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(昭和アーカイブス) おもいで岬
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(昭和アーカイブス) 野の花のようなきみへ
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(昭和アーカイブス) 地図のない青春 新沼謙治 III
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(昭和アーカイブス) 熱叫 一九七七年 夏 新沼謙治みちのく帰行
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(昭和アーカイブス) 望郷詩集 新沼謙治 II
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まぼろしのキラク
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究極ベスト / 新沼謙治
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新沼謙治デビュー40周年記念アルバム 気持ちよく悲しい歌が聴こえる
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OpenTimestamps Proof of Existence
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date published: 2026-07-15T06:58:20Z

ごめんよ
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新沼謙治 ダブル・ベスト☆オリジナル & カバーズ
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新沼謙治全曲集 まぼろしのキラク
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俺の昭和が遠くなる
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スーパー・カップリング・シリーズ ヘッドライト / 津軽恋女
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青春花火
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新沼謙治 全曲集 青春花火
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たろうの初恋
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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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ab72a592bbced87dcd25abf71aab815bfd378ce2e8f421f89896f07a7cdcfcc. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/JPCO07610660.
    date published: 2026-07-16T19:42:29Z
  audio: ヘッドライト
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 86.35
    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.213
    additional property: Energy
      type: PropertyValue
      value: 0.602
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.561
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.114
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.505
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.366
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: 俺の昭和が遠くなる - シングルバージョン
  type: MusicRecording
  duration: PT4M19S
  duration ms: 259666
  explicit: false
  by artist: Kenji Niinuma
  in album: 新沼謙治全曲集 たろうの初恋
    type: MusicAlbum
    date published: 2017-11-22
  genre: enka
  genre: kayokyoku
  genre: shibuya-kei
  isrc code: JPCO01601050
  additional property: CopyrightID
  additional property: CopyrightStatus
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    value: registered
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    value: 2026-07-03T11:59:34+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xa85c1af06695bf3a485d1ad44352f57540553cc0be1704ef86e4941eae490757
  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: 俺の昭和が遠くなる - シングルバージョン

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 956545

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956545

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO01601050

OTSTimestamp
type: PropertyValue
value: 2026-07-03T19:59:51Z

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 0xa85c1af06695bf3a485d1ad44352f57540553cc0be1704ef86e4941eae490757. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/JPCO01601050.
date published: 2026-07-03T19:59:51Z

俺の昭和が遠くなる - シングルバージョン
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additional property: Tempo (BPM)
  type: PropertyValue
  value: 169.847
additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
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  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.266
additional property: Energy
  type: PropertyValue
  value: 0.464
additional property: Speechiness
  type: PropertyValue
  value: 0.038
additional property: Acousticness
  type: PropertyValue
  value: 0.526
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.079
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.406
additional property: Loudness (dB)
  type: PropertyValue
  value: -6.961
additional property: Key Name
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  value: C
additional property: Mode Name
  type: PropertyValue
  value: Minor

盛川 (さかりがわ)
type: MusicAlbum
date published: 2018-04-18

新沼謙治全曲集 盛川
type: MusicAlbum
date published: 2018-10-24

新沼謙治全曲集 2020
type: MusicAlbum
date published: 2019-10-23
track: 嫁に来ないか
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228240
  explicit: false
  by artist: Kenji Niinuma
  in album: 新沼謙治全曲集 2020
    type: MusicAlbum
    date published: 2019-10-23
  genre: enka
  genre: kayokyoku
  genre: shibuya-kei
  isrc code: JPCO07611280
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T00:52:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9a5c5162d74517a6fa5393eaaff7b88d7fb2034a0fc97f0b6296cae701b68761
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957785
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957785
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO07611280
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T01:55:31Z
  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 0x9a5c5162d74517a6fa5393eaaff7b88d7fb2034a0fc97f0b6296cae701b68761. Chain 2 (Bitcoin): anchored in block 957785 (2026-07-13T01:55:31Z), 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/JPCO07611280.
    date published: 2026-07-13T01:55:31Z
  audio: 嫁に来ないか
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 85.629
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.494
    additional property: Energy
      type: PropertyValue
      value: 0.55
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.455
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.088
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.608
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.097
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major

地図のない旅
type: MusicAlbum
date published: 2020-04-29

新沼謙治全曲集 地図のない旅
type: MusicAlbum
date published: 2020-10-21

新沼謙治全曲集 2022
type: MusicAlbum
date published: 2021-10-20

もう君はいないのか
type: MusicAlbum
date published: 2022-06-22

新沼謙治全曲集 もう君はいないのか
type: MusicAlbum
date published: 2022-11-23

新沼謙治全曲集 2024
type: MusicAlbum
date published: 2023-10-18

新沼謙治全曲集 2025
type: MusicAlbum
date published: 2024-10-23

思い出したよ故郷を
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date published: 2025-04-02
track: 思い出したよ故郷を
  type: MusicRecording
  duration: PT4M33S
  duration ms: 273226
  explicit: false
  by artist: Kenji Niinuma
  in album: 思い出したよ故郷を
    type: MusicAlbum
    date published: 2025-04-02
  genre: enka
  genre: kayokyoku
  genre: shibuya-kei
  isrc code: JPCO02504110
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-07-04T20:13:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x22849d0904075e58375968c68cba7ced51b40cc9f75497477975eda4c747e287
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956738
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956738
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO02504110
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T04:47:21Z
  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 0x22849d0904075e58375968c68cba7ced51b40cc9f75497477975eda4c747e287. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/JPCO02504110.
    date published: 2026-07-05T04:47:21Z
  audio: 思い出したよ故郷を
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 149.497
    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: 0.314
    additional property: Energy
      type: PropertyValue
      value: 0.536
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.23
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.051
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.406
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.293
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
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思い出したよ故郷を
type: MusicAlbum
date published: 2025-04-09