千菅春香
type: MusicGroup
genre: anime
popularity: 18
followers: 2516
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x50d1237bc5565026e1169417fee13aff2d23afe7438aea761821f2043432e9c4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953807
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953807
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/edbd177c-9b55-436e-a060-1c338ae4f1a3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/edbd177c-9b55-436e-a060-1c338ae4f1a3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/edbd177c-9b55-436e-a060-1c338ae4f1a3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T16:39:18Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x50d1237bc5565026e1169417fee13aff2d23afe7438aea761821f2043432e9c4","name":"千菅春香","registered_at":"2026-06-15T05:29:07Z","symbol":"NIM0696588","token_address":"0x243b19d2e3eef7665fb1b777192bf1d662037d64","type":"artist","uuid":"edbd177c-9b55-436e-a060-1c338ae4f1a3"}
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 0x50d1237bc5565026e1169417fee13aff2d23afe7438aea761821f2043432e9c4. Chain 2 (Bitcoin): anchored in block 953808 (2026-06-15T16:45:15Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/edbd177c-9b55-436e-a060-1c338ae4f1a3.json and https://artists.proofprofile.net/proofs/artist/edbd177c-9b55-436e-a060-1c338ae4f1a3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T16:45:15Z
  text: {"copyright_id":"0x50d1237bc5565026e1169417fee13aff2d23afe7438aea761821f2043432e9c4","name":"千菅春香","registered_at":"2026-06-15T05:29:07Z","symbol":"NIM0696588","token_address":"0x243b19d2e3eef7665fb1b777192bf1d662037d64","type":"artist","uuid":"edbd177c-9b55-436e-a060-1c338ae4f1a3"}
album: プラネット・クレイドル／ワンダーリング
  type: MusicAlbum
  date published: 2013-02-27
  track: プラネット・クレイドル
    type: MusicRecording
    duration: PT5M13S
    duration ms: 313301
    explicit: false
    by artist: 千菅春香
    in album: プラネット・クレイドル／ワンダーリング
      type: MusicAlbum
      date published: 2013-02-27
    genre: anime
    isrc code: JPG751200354
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x12a6759e759fd1ef4f2ea4af539d86092e78832c9dcec989819e44f09b22c1ec
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958802
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958802
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPG751200354
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T01:04:02Z
    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 0x12a6759e759fd1ef4f2ea4af539d86092e78832c9dcec989819e44f09b22c1ec. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T01:04:02Z), 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/JPG751200354.
      date published: 2026-07-20T01:04:02Z
    audio: プラネット・クレイドル
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 162.966
      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: 0.469
      additional property: Energy
        type: PropertyValue
        value: 0.943
      additional property: Speechiness
        type: PropertyValue
        value: 0.065
      additional property: Acousticness
        type: PropertyValue
        value: 0.113
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.088
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.162
      additional property: Loudness (dB)
        type: PropertyValue
        value: -2.301
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: ワンダーリング
    type: MusicRecording
    duration: PT4M33S
    duration ms: 273333
    explicit: false
    by artist: 千菅春香
    in album: プラネット・クレイドル／ワンダーリング
      type: MusicAlbum
      date published: 2013-02-27
    genre: anime
    isrc code: JPG751200355
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T10:51:23+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x6c25c1de55f9024af87010eb4e2ff922cf9936085fb231a3b6368e3af7a5886f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958401
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958401
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPG751200355
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T11:10:25Z
    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 0x6c25c1de55f9024af87010eb4e2ff922cf9936085fb231a3b6368e3af7a5886f. Chain 2 (Bitcoin): anchored in block 958401 (2026-07-17T11:10:25Z), 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/JPG751200355.
      date published: 2026-07-17T11:10:25Z
    audio: ワンダーリング
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 105.025
      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: 0.669
      additional property: Energy
        type: PropertyValue
        value: 0.927
      additional property: Speechiness
        type: PropertyValue
        value: 0.033
      additional property: Acousticness
        type: PropertyValue
        value: 0.289
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.092
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.506
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: 希望の花とつるぺたとESP研のテーマ
album: 絶滅危愚少女！
album: 桃色ファンタジー
album: ジュ・ジュテーム・コミュニケーション
album: 愛の詩-words of love-
album: TRY!
album: 木曜日はおキライですか
album: のんびりやさしいうた
track: 最後の春休み

Loudness (dB)
type: PropertyValue
value: -3.009

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

希望の花とつるぺたとESP研のテーマ
type: MusicAlbum
date published: 2013-03-20
track: 希望の花
  type: MusicRecording
  duration: PT5M13S
  duration ms: 313032
  explicit: false
  by artist: 千菅春香
  in album: 希望の花とつるぺたとESP研のテーマ
    type: MusicAlbum
    date published: 2013-03-20
  genre: anime
  isrc code: JPG751300018
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x999612ad92d200951f79f993b84fc355cfd8797d9f08bb4a53b6b73857aa1bf5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958377
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958377
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPG751300018
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T06:48:00Z
  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 0x999612ad92d200951f79f993b84fc355cfd8797d9f08bb4a53b6b73857aa1bf5. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/JPG751300018.
    date published: 2026-07-17T06:48:00Z
  audio: 希望の花
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 79.98
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.572
    additional property: Energy
      type: PropertyValue
      value: 0.582
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.811
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.151
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.429
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.959
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

絶滅危愚少女！
type: MusicAlbum
date published: 2014-02-26

桃色ファンタジー
type: MusicAlbum
date published: 2014-07-23
track: 桃色ファンタジー
  type: MusicRecording
  duration: PT3M59S
  duration ms: 239578
  explicit: false
  by artist: 千菅春香
  in album: 桃色ファンタジー
    type: MusicAlbum
    date published: 2014-07-23
  genre: anime
  isrc code: JPVI01412350
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T12:40:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf8aa3187e3c30db7f993caf45b9614c276e6b3d41b4ff90cba50d1f8ad63756b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956822
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956822
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI01412350
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T18:48:28Z
  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 0xf8aa3187e3c30db7f993caf45b9614c276e6b3d41b4ff90cba50d1f8ad63756b. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/JPVI01412350.
    date published: 2026-07-05T18:48:28Z
  audio: 桃色ファンタジー
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 162.951
    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: 0.55
    additional property: Energy
      type: PropertyValue
      value: 0.838
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.155
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.315
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.427
    additional property: Loudness (dB)
      type: PropertyValue
      value: -2.857
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

ジュ・ジュテーム・コミュニケーション
type: MusicAlbum
date published: 2015-07-22

愛の詩-words of love-
type: MusicAlbum
date published: 2016-04-27
track: 愛の太陽
  type: MusicRecording
  duration: PT4M12S
  duration ms: 252040
  explicit: false
  by artist: 千菅春香
  in album: 愛の詩-words of love-
    type: MusicAlbum
    date published: 2016-04-27
  genre: anime
  isrc code: JPVI01605770
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T00:15:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x21ae7c133370f12ec9fff05b0b3e458b0350744215c04a7f29232cc091a46af3
  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/JPVI01605770
  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 0x21ae7c133370f12ec9fff05b0b3e458b0350744215c04a7f29232cc091a46af3. 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/JPVI01605770.
    date published: 2026-07-04T11:19:20Z
  audio: 愛の太陽
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 165.99
    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: 0.435
    additional property: Energy
      type: PropertyValue
      value: 0.71
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.001
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.213
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.235
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.93
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Lonely Feather-a capella version-
  type: MusicRecording
  duration: PT2M1S
  duration ms: 121333
  explicit: false
  by artist: 千菅春香
  in album: 愛の詩-words of love-
    type: MusicAlbum
    date published: 2016-04-27
  genre: anime
  isrc code: JPVI01605780
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-29T00:44:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x58a81bea50b27674519cd24112819f4c5df7fa5f43d0c854b824e43ece678e35
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI01605780
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  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 0x58a81bea50b27674519cd24112819f4c5df7fa5f43d0c854b824e43ece678e35. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/JPVI01605780.
    date published: 2026-07-02T16:51:38Z
  audio: Lonely Feather-a capella version-
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 106.27
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
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TRY!
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track: プラネット・クレイドル
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-13T11:25:45Z
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track: 希望の花
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    date published: 2026-07-13T11:26:33Z
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木曜日はおキライですか
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date published: 2025-08-07

のんびりやさしいうた
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最後の春休み
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: 最後の春休み
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最後の春休み
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: 最後の春休み
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