plenty
type: MusicGroup
genre: japanese indie
genre: j-rock
genre: melodic hardcore
popularity: 28
followers: 42207
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdb8c1138d92a2125c784ea617554084a75f47bcce3266ccc1dbcef181a7d90d6
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/8e3d0c2a-011a-4592-948d-339da9b6ee9d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8e3d0c2a-011a-4592-948d-339da9b6ee9d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8e3d0c2a-011a-4592-948d-339da9b6ee9d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
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 0xdb8c1138d92a2125c784ea617554084a75f47bcce3266ccc1dbcef181a7d90d6. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8e3d0c2a-011a-4592-948d-339da9b6ee9d.json and https://artists.proofprofile.net/proofs/artist/8e3d0c2a-011a-4592-948d-339da9b6ee9d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
album: 拝啓。皆さま
  type: MusicAlbum
  date published: 2009-10-07
album: 拝啓。皆さま
  type: MusicAlbum
  date published: 2009-10-07
album: 拝啓。皆さま
  type: MusicAlbum
  date published: 2009-10-07
album: 拝啓。皆さま
  type: MusicAlbum
  date published: 2009-10-21
album: Haikei Minasama
  type: MusicAlbum
  date published: 2009-10-21
album: 拝啓。皆さま
  type: MusicAlbum
  date published: 2009-10-21
album: 拝啓。皆さま
  type: MusicAlbum
  date published: 2009-10-21
album: 理想的なボクの世界
  type: MusicAlbum
  date published: 2010-04-07
album: 理想的なボクの世界
  type: MusicAlbum
  date published: 2010-04-07
  track: 明日から王様
    type: MusicRecording
    duration: PT4M50S
    duration ms: 290506
    explicit: false
    by artist: plenty
    in album: 理想的なボクの世界
      type: MusicAlbum
      date published: 2010-04-07
    genre: japanese indie
    genre: j-rock
    genre: melodic hardcore
    isrc code: JPD001000066
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T10:47:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x27d3005c2b70e6f9bb3749ab1c287defe2832340fca35dd14cab0816c5a37703
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956545
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956545
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD001000066
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T19:59:51Z
    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
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27d3005c2b70e6f9bb3749ab1c287defe2832340fca35dd14cab0816c5a37703. 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/JPD001000066.
      date published: 2026-07-03T19:59:51Z
    audio: 明日から王様
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 123.596
      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: 0.559
      additional property: Energy
        type: PropertyValue
        value: 0.774
      additional property: Speechiness
        type: PropertyValue
        value: 0.032
      additional property: Acousticness
        type: PropertyValue
        value: 0.001
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.139
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.146
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.232
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: 理想的なボクの世界
  type: MusicAlbum
  date published: 2010-04-07
album: 理想的なボクの世界
  type: MusicAlbum
  date published: 2010-04-21
album: Risotekina Bokunosekai
  type: MusicAlbum
  date published: 2010-04-21
album: 理想的なボクの世界
  type: MusicAlbum
  date published: 2010-04-21
album: 理想的なボクの世界
  type: MusicAlbum
  date published: 2010-04-21
album: 人との距離のはかりかた/最近どうなの?/人間そっくり
  type: MusicAlbum
  date published: 2011-01-12
album: Hitotono Kyori No Hakarikata / Saikin Dounano? / Ningen Sokkuri
  type: MusicAlbum
  date published: 2011-01-12
album: 人との距離のはかりかた/最近どうなの?/人間そっくり
  type: MusicAlbum
  date published: 2011-01-12
  track: 最近どうなの?
    type: MusicRecording
    duration: PT3M42S
    duration ms: 222880
    explicit: false
    by artist: plenty
    in album: 人との距離のはかりかた/最近どうなの?/人間そっくり
      type: MusicAlbum
      date published: 2011-01-12
    genre: japanese indie
    genre: j-rock
    genre: melodic hardcore
    isrc code: JPD001000076
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T13:46:42+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc5ff2e0e92511cd391e4c7255514789c26f597873df146c57fcf090d6808761f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958166
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: 最近どうなの?
  track: 人間そっくり
album: 待ち合わせの途中/終わりない何処かへ/空が笑ってる
album: Machiawase No Totyu / Owarinai Dokoka E / Sora Ga Waratteru
album: plenty
album: Plenty
album: 傾いた空/能天気日和/ひとつ、さよなら
album: Katamuita Sora / Noutenkibiyori / Hitotsu Sayonara
album: ACTOR / DRIP / ETERNAL
album: Actor / Drip / Eternal
album: this
album: This
album: r e ( construction )
album: Re (Construction)
album: 5th EP これから/先生のススメ/good bye
album: 5th EP Korekara/Sensei No Susume/Good Bye
album: Sorakarafuru Ichioku No Hoshi
album: 空から降る一億の星
album: Yoiasawo Itoshiihito / Sayonarayori Yasashiikotoba
album: よい朝を、いとしいひと／さよならより、優しいことば
album: いのちのかたち
album: Inochino Katachi
album: life
album: Life
album: It Could Be Home
album: plenty ラストライブ「拝啓。皆さま」17.09.16 日比谷野外大音楽堂

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958166

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD001000076

OTSTimestamp
type: PropertyValue
value: 2026-07-15T16:48:54Z

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 0xc5ff2e0e92511cd391e4c7255514789c26f597873df146c57fcf090d6808761f. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T16:48:54Z), 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/JPD001000076.
date published: 2026-07-15T16:48:54Z

最近どうなの?
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 95.041
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: 0.516
additional property: Energy
  type: PropertyValue
  value: 0.81
additional property: Speechiness
  type: PropertyValue
  value: 0.031
additional property: Acousticness
  type: PropertyValue
  value: 0.001
additional property: Instrumentalness
  type: PropertyValue
  value: 0.001
additional property: Liveness
  type: PropertyValue
  value: 0.067
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.746
additional property: Loudness (dB)
  type: PropertyValue
  value: -5.355
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Minor

人間そっくり
type: MusicRecording
duration: PT3M44S
duration ms: 224626
explicit: false
by artist: plenty
in album: 人との距離のはかりかた/最近どうなの?/人間そっくり
  type: MusicAlbum
  date published: 2011-01-12
genre: japanese indie
genre: j-rock
genre: melodic hardcore
isrc code: JPD001000077
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T01:51:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9116abccb2e8b3dc29ac5ed9c564e52a4473e62691bb96466ae2706ac98beaea
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956861
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956861
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD001000077
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:57:57Z
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 0x9116abccb2e8b3dc29ac5ed9c564e52a4473e62691bb96466ae2706ac98beaea. Chain 2 (Bitcoin): anchored in block 956861 (2026-07-06T01:57:57Z), 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/JPD001000077.
  date published: 2026-07-06T01:57:57Z
audio: 人間そっくり
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 147.908
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.419
  additional property: Energy
    type: PropertyValue
    value: 0.611
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.008
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.043
  additional property: Liveness
    type: PropertyValue
    value: 0.056
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.281
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.442
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

人との距離のはかりかた/最近どうなの?/人間そっくり
type: MusicAlbum
date published: 2011-01-12

待ち合わせの途中/終わりない何処かへ/空が笑ってる
type: MusicAlbum
date published: 2011-05-25

待ち合わせの途中/終わりない何処かへ/空が笑ってる
type: MusicAlbum
date published: 2011-05-25

Machiawase No Totyu / Owarinai Dokoka E / Sora Ga Waratteru
type: MusicAlbum
date published: 2011-05-25

plenty
type: MusicAlbum
date published: 2012-02-15

plenty
type: MusicAlbum
date published: 2012-02-15

plenty
type: MusicAlbum
date published: 2012-02-15
track: はじまりの吟
  type: MusicRecording
  duration: PT2M32S
  duration ms: 152120
  explicit: false
  by artist: plenty
  in album: plenty
    type: MusicAlbum
    date published: 2012-02-15
  genre: japanese indie
  genre: j-rock
  genre: melodic hardcore
  isrc code: JPD001100095
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T09:40:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x05610d288a35870fa34e7cd7f854528f81773c0acb0bfc1ae3da53923029ddad
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958716
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958716
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD001100095
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T10:15:55Z
  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 0x05610d288a35870fa34e7cd7f854528f81773c0acb0bfc1ae3da53923029ddad. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/JPD001100095.
    date published: 2026-07-19T10:15:55Z
  audio: はじまりの吟
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 171.78
    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: 0.229
    additional property: Energy
      type: PropertyValue
      value: 0.586
    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
      value: 0.065
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.065
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.294
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.043
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 普通の生活
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176733
  explicit: false
  by artist: plenty
  in album: plenty
    type: MusicAlbum
    date published: 2012-02-15
  genre: japanese indie
  genre: j-rock
  genre: melodic hardcore
  isrc code: JPD001100096
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T04:49:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3a73924246b7c29cc3bb2cf1c5e62d7d0610cabba67955d3c1a4eb70c3cc3d22
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958501
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD001100096
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T05:33:04Z
  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 0x3a73924246b7c29cc3bb2cf1c5e62d7d0610cabba67955d3c1a4eb70c3cc3d22. Chain 2 (Bitcoin): anchored in block 958501 (2026-07-18T05:33:04Z), 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/JPD001100096.
    date published: 2026-07-18T05:33:04Z
  audio: 普通の生活
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 179.972
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.476
    additional property: Energy
      type: PropertyValue
      value: 0.651
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.015
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
      value: 0.095
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.385
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.612
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 空が笑ってる
  type: MusicRecording
  duration: PT4M53S
  duration ms: 293613
  explicit: false
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  in album: plenty
    type: MusicAlbum
    date published: 2012-02-15
  genre: japanese indie
  genre: j-rock
  genre: melodic hardcore
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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    value: 2026-07-13T07:28:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7238a4c9163f160057ba565af9110152c65778d7c8a2cd2aecb8061b1cf5b7d7
  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: 空が笑ってる
track: スローモーションピクチャー
track: 風の吹く町

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957819

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957819

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD001100080

OTSTimestamp
type: PropertyValue
value: 2026-07-13T07:53:33Z

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 0x7238a4c9163f160057ba565af9110152c65778d7c8a2cd2aecb8061b1cf5b7d7. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/JPD001100080.
date published: 2026-07-13T07:53:33Z

空が笑ってる
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 71.982
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: 0.618
additional property: Energy
  type: PropertyValue
  value: 0.34
additional property: Speechiness
  type: PropertyValue
  value: 0.026
additional property: Acousticness
  type: PropertyValue
  value: 0.171
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.111
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.366
additional property: Loudness (dB)
  type: PropertyValue
  value: -6.247
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
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スローモーションピクチャー
type: MusicRecording
duration: PT4M12S
duration ms: 252760
explicit: false
by artist: plenty
in album: plenty
  type: MusicAlbum
  date published: 2012-02-15
genre: japanese indie
genre: j-rock
genre: melodic hardcore
isrc code: JPD001100098
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T00:28:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x26dd0862e4c7b8e209822433c9f6fbb380323f24a0f421b1ce89d1f9e1579a28
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956857
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956857
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD001100098
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:26:17Z
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 0x26dd0862e4c7b8e209822433c9f6fbb380323f24a0f421b1ce89d1f9e1579a28. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/JPD001100098.
  date published: 2026-07-06T01:26:17Z
audio: スローモーションピクチャー
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.992
  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: 0.635
  additional property: Energy
    type: PropertyValue
    value: 0.328
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.516
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.272
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.321
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.989
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

風の吹く町
type: MusicRecording
duration: PT2M50S
duration ms: 170493
explicit: false
by artist: plenty
in album: plenty
  type: MusicAlbum
  date published: 2012-02-15
genre: japanese indie
genre: j-rock
genre: melodic hardcore
isrc code: JPD001100100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T01:48:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1ab6a59826bac86fbcbbf59570a6945bf2c7a7174534ec7ddd5f1a6eea31b944
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956861
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956861
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD001100100
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:57:57Z
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 0x1ab6a59826bac86fbcbbf59570a6945bf2c7a7174534ec7ddd5f1a6eea31b944. Chain 2 (Bitcoin): anchored in block 956861 (2026-07-06T01:57:57Z), 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/JPD001100100.
  date published: 2026-07-06T01:57:57Z
audio: 風の吹く町
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.04
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.658
  additional property: Energy
    type: PropertyValue
    value: 0.831
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.088
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.032
  additional property: Liveness
    type: PropertyValue
    value: 0.359
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.575
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.895
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Plenty
type: MusicAlbum
date published: 2012-02-15

傾いた空/能天気日和/ひとつ、さよなら
type: MusicAlbum
date published: 2012-08-01

傾いた空/能天気日和/ひとつ、さよなら
type: MusicAlbum
date published: 2012-08-01

Katamuita Sora / Noutenkibiyori / Hitotsu Sayonara
type: MusicAlbum
date published: 2012-08-01

ACTOR / DRIP / ETERNAL
type: MusicAlbum
date published: 2012-11-07

Actor / Drip / Eternal
type: MusicAlbum
date published: 2012-11-07

ACTOR / DRIP / ETERNAL
type: MusicAlbum
date published: 2012-11-07

ACTOR / DRIP / ETERNAL
type: MusicAlbum
date published: 2012-11-07

this
type: MusicAlbum
date published: 2013-05-29

this
type: MusicAlbum
date published: 2013-05-29

This
type: MusicAlbum
date published: 2013-05-29

this
type: MusicAlbum
date published: 2013-05-29
track: よろこびの吟
  type: MusicRecording
  duration: PT4M53S
  duration ms: 293493
  explicit: false
  by artist: plenty
  in album: this
    type: MusicAlbum
    date published: 2013-05-29
  genre: japanese indie
  genre: j-rock
  genre: melodic hardcore
  isrc code: JPD001300139
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T13:34:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2763bd7e497ed17b81f4d3c8b39b2d0ab78c0dcd6479cfdce9518390461d9ff1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958742
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958742
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD001300139
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T16:38:19Z
  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 0x2763bd7e497ed17b81f4d3c8b39b2d0ab78c0dcd6479cfdce9518390461d9ff1. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T16:38:19Z), 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/JPD001300139.
    date published: 2026-07-19T16:38:19Z
  audio: よろこびの吟
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 133.948
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.472
    additional property: Energy
      type: PropertyValue
      value: 0.545
    additional property: Speechiness
      type: PropertyValue
      value: 0.026
    additional property: Acousticness
      type: PropertyValue
      value: 0.427
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.078
    additional property: Liveness
      type: PropertyValue
      value: 0.082
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.258
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.077
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

r e ( construction )
type: MusicAlbum
date published: 2013-12-04

Re (Construction)
type: MusicAlbum
date published: 2013-12-04

r e ( construction )
type: MusicAlbum
date published: 2013-12-04

5th EP これから/先生のススメ/good bye
type: MusicAlbum
date published: 2014-01-29

5th EP これから/先生のススメ/good bye
type: MusicAlbum
date published: 2014-01-29

5th EP これから/先生のススメ/good bye
type: MusicAlbum
date published: 2014-01-29

5th EP Korekara/Sensei No Susume/Good Bye
type: MusicAlbum
date published: 2014-01-29

Sorakarafuru Ichioku No Hoshi
type: MusicAlbum
date published: 2014-11-05

空から降る一億の星
type: MusicAlbum
date published: 2014-11-05
track: イキルサイノウ
  type: MusicRecording
  duration: PT3M50S
  duration ms: 230386
  explicit: false
  by artist: plenty
  in album: 空から降る一億の星
    type: MusicAlbum
    date published: 2014-11-05
  genre: japanese indie
  genre: j-rock
  genre: melodic hardcore
  isrc code: JPD001400249
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T22:59:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x34b4b0e2b372223286f6c664703d273c52bc7ec9cfe48b35b97502602889074a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956639
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956639
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD001400249
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T11:19:20Z
  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 0x34b4b0e2b372223286f6c664703d273c52bc7ec9cfe48b35b97502602889074a. 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/JPD001400249.
    date published: 2026-07-04T11:19:20Z
  audio: イキルサイノウ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 209.519
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.223
    additional property: Energy
      type: PropertyValue
      value: 0.693
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.005
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.131
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.413
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.831
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 空から降る一億の星
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275973
  explicit: false
  by artist: plenty
  in album: 空から降る一億の星
    type: MusicAlbum
    date published: 2014-11-05
  genre: japanese indie
  genre: j-rock
  genre: melodic hardcore
  isrc code: JPD001400250
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T18:59:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf9bf37c4d8a24b0d2dcce4e8266b57ea4ad6ecc8447055a1f77d94c8737ef39e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957745
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957745
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD001400250
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-12T19:20:20Z
  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 0xf9bf37c4d8a24b0d2dcce4e8266b57ea4ad6ecc8447055a1f77d94c8737ef39e. Chain 2 (Bitcoin): anchored in block 957745 (2026-07-12T19:20:20Z), 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/JPD001400250.
    date published: 2026-07-12T19:20:20Z
  audio: 空から降る一億の星
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 156.041
    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: 0.444
    additional property: Energy
      type: PropertyValue
      value: 0.686
    additional property: Speechiness
      type: PropertyValue
      value: 0.026
    additional property: Acousticness
      type: PropertyValue
      value: 0.024
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.247
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.35
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.12
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

空から降る一億の星
type: MusicAlbum
date published: 2014-11-05

空から降る一億の星
type: MusicAlbum
date published: 2014-11-05

Yoiasawo Itoshiihito / Sayonarayori Yasashiikotoba
type: MusicAlbum
date published: 2015-07-22

よい朝を、いとしいひと／さよならより、優しいことば
type: MusicAlbum
date published: 2015-07-22

よい朝を、いとしいひと／さよならより、優しいことば
type: MusicAlbum
date published: 2015-07-22

いのちのかたち
type: MusicAlbum
date published: 2015-10-07

Inochino Katachi
type: MusicAlbum
date published: 2015-10-07

いのちのかたち
type: MusicAlbum
date published: 2015-10-07

いのちのかたち
type: MusicAlbum
date published: 2015-10-07
track: 体温
  type: MusicRecording
  duration: PT4M46S
  duration ms: 286973
  explicit: false
  by artist: plenty
  in album: いのちのかたち
    type: MusicAlbum
    date published: 2015-10-07
  genre: japanese indie
  genre: j-rock
  genre: melodic hardcore
  isrc code: JPD001400280
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T22:09:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xaa30fb7dd2b01e6c898a94307af7d2985fb60c42b7b2f11bfed8bf460741b7c2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD001400280
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  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 0xaa30fb7dd2b01e6c898a94307af7d2985fb60c42b7b2f11bfed8bf460741b7c2. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/JPD001400280.
    date published: 2026-07-05T01:12:41Z
  audio: 体温
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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
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    additional property: Danceability
      type: PropertyValue
      value: 0.476
    additional property: Energy
      type: PropertyValue
      value: 0.577
    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.014
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.326
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.474
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.363
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
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track: よい朝を、いとしいひと
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  duration: PT3M38S
  duration ms: 218600
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  by artist: plenty
  in album: いのちのかたち
    type: MusicAlbum
    date published: 2015-10-07
  genre: japanese indie
  genre: j-rock
  genre: melodic hardcore
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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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/957745
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD001400273
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-12T19:20:20Z
  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 0x1761a9db65b66a3506b9739910704304b66e303c126bfa3f6f2c66a2ff933897. Chain 2 (Bitcoin): anchored in block 957745 (2026-07-12T19:20:20Z), 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/JPD001400273.
    date published: 2026-07-12T19:20:20Z
  audio: よい朝を、いとしいひと
    type: AudioObject
    additional property: Tempo (BPM)
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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
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: 愛のかたち
  type: MusicRecording
  duration: PT4M0S
  duration ms: 240693
  explicit: false
  by artist: plenty
  in album: いのちのかたち
    type: MusicAlbum
    date published: 2015-10-07
  genre: japanese indie
  genre: j-rock
  genre: melodic hardcore
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf0bf9285b8e678c50d5a44cbed8a6742f63450bfaea2014c29f0619a2004c3f7
  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: 愛のかたち

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 958700

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958700

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD001400286

OTSTimestamp
type: PropertyValue
value: 2026-07-19T08:09:50Z

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 0xf0bf9285b8e678c50d5a44cbed8a6742f63450bfaea2014c29f0619a2004c3f7. Chain 2 (Bitcoin): anchored in block 958700 (2026-07-19T08:09:50Z), 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/JPD001400286.
date published: 2026-07-19T08:09:50Z

愛のかたち
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 170.026
additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.323
additional property: Energy
  type: PropertyValue
  value: 0.883
additional property: Speechiness
  type: PropertyValue
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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
  type: PropertyValue
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additional property: Valence (Positivity)
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  value: 0.399
additional property: Loudness (dB)
  type: PropertyValue
  value: -3.483
additional property: Key Name
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additional property: Mode Name
  type: PropertyValue
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life
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date published: 2016-09-21

life
type: MusicAlbum
date published: 2016-09-21

life
type: MusicAlbum
date published: 2016-09-21
track: 夜間飛行
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236440
  explicit: false
  by artist: plenty
  in album: life
    type: MusicAlbum
    date published: 2016-09-21
  genre: japanese indie
  genre: j-rock
  genre: melodic hardcore
  isrc code: JPD001400308
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T19:13:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfff51efb4c576eee76825ff1679e8c7b712d4b688cfdc337544d388d7e076cf6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956826
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD001400308
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T19:27:56Z
  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 0xfff51efb4c576eee76825ff1679e8c7b712d4b688cfdc337544d388d7e076cf6. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/JPD001400308.
    date published: 2026-07-05T19:27:56Z
  audio: 夜間飛行
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 126.953
    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: 0.421
    additional property: Energy
      type: PropertyValue
      value: 0.773
    additional property: Speechiness
      type: PropertyValue
      value: 0.064
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.229
    additional property: Liveness
      type: PropertyValue
      value: 0.096
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.365
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.517
    additional property: Key Name
      type: PropertyValue
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    additional property: Mode Name
      type: PropertyValue
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track: 嘘さえもつけない距離で
  type: MusicRecording
  duration: PT3M59S
  duration ms: 239026
  explicit: false
  by artist: plenty
  in album: life
    type: MusicAlbum
    date published: 2016-09-21
  genre: japanese indie
  genre: j-rock
  genre: melodic hardcore
  isrc code: JPD001400312
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T01:22:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xccfe59e3fcf7565245c12933c49fffd95d03669965b3426f49c221672399abca
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958951
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD001400312
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T04:23:35Z
  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 0xccfe59e3fcf7565245c12933c49fffd95d03669965b3426f49c221672399abca. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:23:35Z), 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/JPD001400312.
    date published: 2026-07-21T04:23:35Z
  audio: 嘘さえもつけない距離で
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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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
      type: PropertyValue
      value: 0.357
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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      value: 0.304
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.389
    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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track: 風をめざして
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253653
  explicit: false
  by artist: plenty
  in album: life
    type: MusicAlbum
    date published: 2016-09-21
  genre: japanese indie
  genre: j-rock
  genre: melodic hardcore
  isrc code: JPD001400319
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T19:45:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8fd7ea6ee77d9f1f38b7c414c1b6bc8e7dd6779666ec3f76bea412397a694fe2
  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: 風をめざして

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 958448

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958448

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD001400319

OTSTimestamp
type: PropertyValue
value: 2026-07-17T19:49:21Z

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 0x8fd7ea6ee77d9f1f38b7c414c1b6bc8e7dd6779666ec3f76bea412397a694fe2. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/JPD001400319.
date published: 2026-07-17T19:49:21Z

風をめざして
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additional property: Tempo (BPM)
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  value: 174.011
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
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additional property: Time Signature
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  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.344
additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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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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  value: -7.627
additional property: Key Name
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additional property: Mode Name
  type: PropertyValue
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Life
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date published: 2016-09-21

It Could Be Home
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date published: 2018-04-27

plenty ラストライブ「拝啓。皆さま」17.09.16 日比谷野外大音楽堂
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date published: 2025-10-29