Ayana Taketatsu
type: MusicGroup
genre: anime
genre: shibuya-kei
description: is a Japanese voice actress and singer.Doi, Hitoshi. "Taketatsu Ayana". Seiyuu Database. January 3, 2011. Retrieved January 12, 2011. Biography She attended Nihon Narration Engi Kenkyujo, a voice
popularity: 24
followers: 49886
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  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
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album: Sinfonia! Sinfonia!!!【通常盤】
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  date published: 2012-04-11
album: ♪の国のアリス【通常盤】
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  date published: 2012-09-12
album: 時空ツアーズ【通常盤】- EP
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  track: 時空ツアーズ
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      date published: 2013-01-09
    genre: anime
    genre: shibuya-kei
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-06T07:16:32Z
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album: apple symphony
  type: MusicAlbum
  date published: 2013-04-10
album: 週末シンデレラ【通常盤】
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album: Colore Serenata (Standard Edition)
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album: わんだふるワールド【通常盤】
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album: 齧りかけの林檎【通常盤】
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album: Colore Serenata【通常盤】
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      date published: 2014-11-19
    genre: anime
    genre: shibuya-kei
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    additional property: OTSVerifyInstructions
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      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-05T10:01:46Z
    audio: 齧りかけの林檎
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album: Little*Lion*Heart(TVsize ver.)
album: Little*Lion*Heart(初回盤)
album: TVアニメ「だがしかし」エンディングテーマ Hey!カロリーQueen(TVedit.)
album: TVアニメ「だがしかし」エンディングテーマ Hey!カロリーQueen 通常盤
album: Miss.Revolutionist
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album: Sinfonia! Sinfonia!!! (Standard Edition)
album: Apple Symphony (Standard Edition)
album: Little*Lion*Heart (First Edition)
album: TVanime "Dagashi Kashi" Ending Theme "Hey! Calorie Queen" (Standard Edition)
album: Jikuu Tours (Standard Edition)
album: Onpu no Kuni no Alice (Standard Edition)
album: Shumatsu Cinderella (Standard Edition)
album: apple feuille
album: OH MY シュガーフィーリング!!
album: Innocent Notes<TVsize>
album: Innocent Notes (TV Size)
album: Innocent Notes
album: ばいばい 虎ノ門 ハロハロ 六本木
album: Bye Bye Toranomon Hello Hello Roppongi
album: Rice COMEnication
album: Rice Comenication
album: Dear Dear
album: Meli-melo meli mellow
album: Méli-mélo meli mellow
album: プラチナ - from CrosSing
album: Platina- from CrosSing
album: Endless Symphony
album: Irony - From CrosSing
album: irony - from CrosSing
album: Ashita no Katachi
album: 明日のカタチ
album: はつこい - from CrosSing
album: HATSUKOI - From CrosSing
track: Hey! Calorie Queen (TV edit.)

Hey! Calorie Queen (TV edit.)
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duration: PT1M34S
duration ms: 94906
explicit: false
by artist: Ayana Taketatsu
in album: Dagashi Kashi Original Soundtrack
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isrc code: JPPC01502867
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe544277130fcc93261fa534a2d5d3d2f829f0c5f758219608fc72a9d07ac2316. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/JPPC01502867.
  date published: 2026-07-08T03:53:27Z
audio: Hey! Calorie Queen (TV edit.)
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Time Signature
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Danceability
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Energy
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Speechiness
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Instrumentalness
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Liveness
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Valence (Positivity)
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value: 0.618

Loudness (dB)
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Key Name
type: PropertyValue
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Mode Name
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Little*Lion*Heart(TVsize ver.)
type: MusicAlbum
date published: 2015-10-08

Little*Lion*Heart(初回盤)
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date published: 2015-11-04

TVアニメ「だがしかし」エンディングテーマ Hey!カロリーQueen(TVedit.)
type: MusicAlbum
date published: 2016-01-07

TVアニメ「だがしかし」エンディングテーマ Hey!カロリーQueen 通常盤
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date published: 2016-01-27
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  genre: shibuya-kei
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-21T16:57:21Z
  audio: Hey!カロリーQueen
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Miss.Revolutionist
type: MusicAlbum
date published: 2016-06-22

Lyrical Concerto
type: MusicAlbum
date published: 2016-11-02
track: Hey!カロリーQueen
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  by artist: Ayana Taketatsu
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  genre: shibuya-kei
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  additional property: OTSVerifyInstructions
    type: PropertyValue
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-15T05:35:13Z
  audio: Hey!カロリーQueen
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Lyrical Concerto
type: MusicAlbum
date published: 2017-03-23
track: Hey! Calorie Queen
  type: MusicRecording
  duration: PT4M22S
  duration ms: 262693
  explicit: false
  by artist: Ayana Taketatsu
  in album: Lyrical Concerto
    type: MusicAlbum
    date published: 2017-03-23
  genre: anime
  genre: shibuya-kei
  isrc code: JPPC01502563
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb1b928d4d810eff2b752b1e6f0a3449eec0ae86455d6a5bdade4051e2eb61c80
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958106
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC01502563
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T05:35:13Z
  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 0xb1b928d4d810eff2b752b1e6f0a3449eec0ae86455d6a5bdade4051e2eb61c80. Chain 2 (Bitcoin): anchored in block 958106 (2026-07-15T05:35:13Z), 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/JPPC01502563.
    date published: 2026-07-15T05:35:13Z
  audio: Hey! Calorie Queen
    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
      type: PropertyValue
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    additional property: Danceability
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    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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    additional property: Key Name
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Sinfonia! Sinfonia!!! (Standard Edition)
type: MusicAlbum
date published: 2017-11-01

Apple Symphony (Standard Edition)
type: MusicAlbum
date published: 2017-11-01

Little*Lion*Heart (First Edition)
type: MusicAlbum
date published: 2017-11-01

TVanime "Dagashi Kashi" Ending Theme "Hey! Calorie Queen" (Standard Edition)
type: MusicAlbum
date published: 2017-11-01

Jikuu Tours (Standard Edition)
type: MusicAlbum
date published: 2017-11-01

Onpu no Kuni no Alice (Standard Edition)
type: MusicAlbum
date published: 2017-11-01

Shumatsu Cinderella (Standard Edition)
type: MusicAlbum
date published: 2017-11-01

Miss.Revolutionist
type: MusicAlbum
date published: 2017-11-01

apple feuille
type: MusicAlbum
date published: 2017-11-29

OH MY シュガーフィーリング!!
type: MusicAlbum
date published: 2018-01-31
track: OH MY シュガーフィーリング!!
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238586
  explicit: false
  by artist: Ayana Taketatsu
  in album: OH MY シュガーフィーリング!!
    type: MusicAlbum
    date published: 2018-01-31
  genre: anime
  genre: shibuya-kei
  isrc code: JPPC01702742
  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 958839
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958839
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC01702742
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T09:34:18Z
  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 0x7f863fc430bf15428f74c96f87c05b205b4da740581f2f4b774524607cf8c4ad. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T09:34:18Z), 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/JPPC01702742.
    date published: 2026-07-20T09:34:18Z
  audio: OH MY シュガーフィーリング!!
    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
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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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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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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Innocent Notes<TVsize>
type: MusicAlbum
date published: 2019-01-11

Innocent Notes (TV Size)
type: MusicAlbum
date published: 2019-02-06

Innocent Notes
type: MusicAlbum
date published: 2019-02-06

Innocent Notes
type: MusicAlbum
date published: 2019-04-06

ばいばい 虎ノ門 ハロハロ 六本木
type: MusicAlbum
date published: 2019-05-13

Bye Bye Toranomon Hello Hello Roppongi
type: MusicAlbum
date published: 2019-07-13

Rice COMEnication
type: MusicAlbum
date published: 2019-07-24

Rice Comenication
type: MusicAlbum
date published: 2019-09-24

Dear Dear
type: MusicAlbum
date published: 2021-01-20

Dear Dear
type: MusicAlbum
date published: 2021-01-20

Meli-melo meli mellow
type: MusicAlbum
date published: 2021-09-15
track: Oh My Sugar Feeling!!
  type: MusicRecording
  duration: PT3M57S
  duration ms: 237893
  explicit: false
  by artist: Ayana Taketatsu
  in album: Meli-melo meli mellow
    type: MusicAlbum
    date published: 2021-09-15
  genre: anime
  genre: shibuya-kei
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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/958523
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC01702742
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T08:54:12Z
  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 0x7f863fc430bf15428f74c96f87c05b205b4da740581f2f4b774524607cf8c4ad. Chain 2 (Bitcoin): anchored in block 958523 (2026-07-18T08:54:12Z), 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/JPPC01702742.
    date published: 2026-07-18T08:54:12Z
  audio: Oh My Sugar Feeling!!
    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
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.611
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.059
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
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      value: -2.966
    additional property: Key Name
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      value: Bb
    additional property: Mode Name
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Méli-mélo meli mellow
type: MusicAlbum
date published: 2021-09-15
track: OH MY シュガーフィーリング!!
  type: MusicRecording
  duration: PT3M57S
  duration ms: 237893
  explicit: false
  by artist: Ayana Taketatsu
  in album: Méli-mélo meli mellow
    type: MusicAlbum
    date published: 2021-09-15
  genre: anime
  genre: shibuya-kei
  isrc code: JPPC01702742
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
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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/958428
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC01702742
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T15:15:14Z
  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 0x7f863fc430bf15428f74c96f87c05b205b4da740581f2f4b774524607cf8c4ad. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/JPPC01702742.
    date published: 2026-07-17T15:15:14Z
  audio: OH MY シュガーフィーリング!!
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.611
    additional property: Energy
      type: PropertyValue
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    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: 0.662
    additional property: Loudness (dB)
      type: PropertyValue
      value: -2.966
    additional property: Key Name
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    additional property: Mode Name
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プラチナ - from CrosSing
type: MusicAlbum
date published: 2022-08-24
track: プラチナ - from CrosSing
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249560
  explicit: false
  by artist: Ayana Taketatsu
  in album: プラチナ - from CrosSing
    type: MusicAlbum
    date published: 2022-08-24
  genre: anime
  genre: shibuya-kei
  isrc code: JPPC02211606
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x15a4096675a198d7f18c3ea7ec6ecbb023371f36a3bc9efbb14778bca68cc90f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958185
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC02211606
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T18:19:04Z
  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 0x15a4096675a198d7f18c3ea7ec6ecbb023371f36a3bc9efbb14778bca68cc90f. Chain 2 (Bitcoin): anchored in block 958185 (2026-07-15T18:19:04Z), 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/JPPC02211606.
    date published: 2026-07-15T18:19:04Z
  audio: プラチナ - from CrosSing
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 163.987
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.461
    additional property: Energy
      type: PropertyValue
      value: 0.838
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.124
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.155
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.361
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.641
    additional property: Key Name
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    additional property: Mode Name
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Platina- from CrosSing
type: MusicAlbum
date published: 2022-08-24
track: Platina- from CrosSing
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249560
  explicit: false
  by artist: Ayana Taketatsu
  in album: Platina- from CrosSing
    type: MusicAlbum
    date published: 2022-08-24
  genre: anime
  genre: shibuya-kei
  isrc code: JPPC02211606
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC02211606
  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15a4096675a198d7f18c3ea7ec6ecbb023371f36a3bc9efbb14778bca68cc90f. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T13:23:37Z), 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/JPPC02211606.
    date published: 2026-07-20T13:23:37Z
  audio: Platina- from CrosSing
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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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
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    additional property: Energy
      type: PropertyValue
      value: 0.838
    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)
      type: PropertyValue
      value: 0.361
    additional property: Loudness (dB)
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    additional property: Key Name
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Endless Symphony
type: MusicAlbum
date published: 2022-10-05

Endless Symphony
type: MusicAlbum
date published: 2022-10-05

Irony - From CrosSing
type: MusicAlbum
date published: 2022-10-26
track: Irony - From CrosSing
  type: MusicRecording
  duration: PT4M19S
  duration ms: 259720
  explicit: false
  by artist: Ayana Taketatsu
  in album: Irony - From CrosSing
    type: MusicAlbum
    date published: 2022-10-26
  genre: anime
  genre: shibuya-kei
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-18T19:27:02Z
  audio: Irony - From CrosSing
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    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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    additional property: Key Name
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    additional property: Mode Name
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irony - from CrosSing
type: MusicAlbum
date published: 2022-10-26
track: irony - from CrosSing
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  duration: PT4M19S
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  by artist: Ayana Taketatsu
  in album: irony - from CrosSing
    type: MusicAlbum
    date published: 2022-10-26
  genre: anime
  genre: shibuya-kei
  isrc code: JPPC02212297
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC02212297
  additional property: OTSTimestamp
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    value: 2026-07-17T08:37:02Z
  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 0xdca23893f399ffde073769968a1e9013aa337574548c91e6ed505d978f5d5d44. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T08:37:02Z), 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/JPPC02212297.
    date published: 2026-07-17T08:37:02Z
  audio: irony - from CrosSing
    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
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
      value: 0.582
    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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Ashita no Katachi
type: MusicAlbum
date published: 2023-01-09
track: Ashita no Katachi
  type: MusicRecording
  duration: PT4M33S
  duration ms: 273666
  explicit: false
  by artist: Ayana Taketatsu
  in album: Ashita no Katachi
    type: MusicAlbum
    date published: 2023-01-09
  genre: anime
  genre: shibuya-kei
  isrc code: JPPC02310023
  additional property: CopyrightID
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  additional property: OTSHash
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC02310023
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T23:25:50Z
  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 0x2438da4d4b8b8606bfe849a42d6e6e2215e7a34629f7e087140d8749b2375487. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-15T23:25:50Z), 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/JPPC02310023.
    date published: 2026-07-15T23:25:50Z
  audio: Ashita no Katachi
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
      value: 0.877
    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)
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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明日のカタチ
type: MusicAlbum
date published: 2023-01-09
track: 明日のカタチ
  type: MusicRecording
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  duration ms: 273666
  explicit: false
  by artist: Ayana Taketatsu
  in album: 明日のカタチ
    type: MusicAlbum
    date published: 2023-01-09
  genre: anime
  genre: shibuya-kei
  isrc code: JPPC02310023
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x2438da4d4b8b8606bfe849a42d6e6e2215e7a34629f7e087140d8749b2375487
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958373
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC02310023
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T06:09:33Z
  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 0x2438da4d4b8b8606bfe849a42d6e6e2215e7a34629f7e087140d8749b2375487. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/JPPC02310023.
    date published: 2026-07-17T06:09:33Z
  audio: 明日のカタチ
    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
      type: PropertyValue
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    additional property: Danceability
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    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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    additional property: Key Name
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はつこい - from CrosSing
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date published: 2024-10-16
track: はつこい - from CrosSing
  type: MusicRecording
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  by artist: Ayana Taketatsu
  in album: はつこい - from CrosSing
    type: MusicAlbum
    date published: 2024-10-16
  genre: anime
  genre: shibuya-kei
  isrc code: JPPC02412956
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17272b0f62baa2df10ac51d57cefa5e8e90f59fdb95e0e58fbfe7e03f99aa770. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T08:54:52Z), 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/JPPC02412956.
    date published: 2026-07-17T08:54:52Z
  audio: はつこい - from CrosSing
    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
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    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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    additional property: Mode Name
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HATSUKOI - From CrosSing
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date published: 2024-10-16
track: HATSUKOI - From CrosSing
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  by artist: Ayana Taketatsu
  in album: HATSUKOI - From CrosSing
    type: MusicAlbum
    date published: 2024-10-16
  genre: anime
  genre: shibuya-kei
  isrc code: JPPC02412956
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: OTSHash
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17272b0f62baa2df10ac51d57cefa5e8e90f59fdb95e0e58fbfe7e03f99aa770. Chain 2 (Bitcoin): anchored in block 958913 (2026-07-20T19:33:30Z), 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/JPPC02412956.
    date published: 2026-07-20T19:33:30Z
  audio: HATSUKOI - From CrosSing
    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
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    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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    additional property: Key Name
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    additional property: Mode Name
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