吉岡亜衣加
type: MusicGroup
genre: anime
popularity: 29
followers: 7464
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcde19128d5e62ca7fee045f0b7afdf509429de2ff6e971a75bf31c767f2c4a6a
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/beeb6713-6322-4fb5-85dc-0b474e092051.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/beeb6713-6322-4fb5-85dc-0b474e092051.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/beeb6713-6322-4fb5-85dc-0b474e092051
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcde19128d5e62ca7fee045f0b7afdf509429de2ff6e971a75bf31c767f2c4a6a","name":"吉岡亜衣加","registered_at":"2026-06-12T08:47:17Z","symbol":"NIM0246643","token_address":"0xe2e9b3a171d7d3d7a16888399608a8b9826491b1","type":"artist","uuid":"beeb6713-6322-4fb5-85dc-0b474e092051"}
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 0xcde19128d5e62ca7fee045f0b7afdf509429de2ff6e971a75bf31c767f2c4a6a. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/beeb6713-6322-4fb5-85dc-0b474e092051.json and https://artists.proofprofile.net/proofs/artist/beeb6713-6322-4fb5-85dc-0b474e092051.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0xcde19128d5e62ca7fee045f0b7afdf509429de2ff6e971a75bf31c767f2c4a6a","name":"吉岡亜衣加","registered_at":"2026-06-12T08:47:17Z","symbol":"NIM0246643","token_address":"0xe2e9b3a171d7d3d7a16888399608a8b9826491b1","type":"artist","uuid":"beeb6713-6322-4fb5-85dc-0b474e092051"}
album: 刻の透かし絵 (Short ver.)
album: 散らない花 (Game Ver.)
album: 夢さやか (Game Ver.)
album: 最涯ての地図 (Short ver.)
album: アニメ「薄桜鬼」「薄桜鬼 碧血録」 ボーカルベスト 〜桜詠録〜
  type: MusicAlbum
  date published: 2008-10-09
  track: 十六夜涙
    type: MusicRecording
    duration: PT3M56S
    duration ms: 236080
    explicit: false
    by artist: 吉岡亜衣加
    in album: アニメ「薄桜鬼」「薄桜鬼 碧血録」 ボーカルベスト 〜桜詠録〜
      type: MusicAlbum
      date published: 2008-10-09
    genre: anime
    isrc code: JPV201000321
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xca6dde6f97cf079db858868cfd4603a3e99cbfe578d2519efc6339f547df1248
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958991
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958991
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPV201000321
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T12:33:28Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca6dde6f97cf079db858868cfd4603a3e99cbfe578d2519efc6339f547df1248. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T12:33:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPV201000321.
      date published: 2026-07-21T12:33:28Z
    audio: 十六夜涙
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 129.071
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.579
      additional property: Energy
        type: PropertyValue
        value: 0.863
      additional property: Speechiness
        type: PropertyValue
        value: 0.069
      additional property: Acousticness
        type: PropertyValue
        value: 0.009
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.197
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.83
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.095
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: 君ノ記憶
    type: MusicRecording
    duration: PT4M19S
    duration ms: 259000
    explicit: false
    by artist: 吉岡亜衣加
    in album: アニメ「薄桜鬼」「薄桜鬼 碧血録」 ボーカルベスト 〜桜詠録〜
      type: MusicAlbum
      date published: 2008-10-09
    genre: anime
    isrc code: JPV201200620
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T23:36:11+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfd381b3263dace7b3b6964a5f6d505be45b152d09619e8cd82a5b29891887159
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958942
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958942
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPV201200620
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T00:24:07Z
    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 0xfd381b3263dace7b3b6964a5f6d505be45b152d09619e8cd82a5b29891887159. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/JPV201200620.
      date published: 2026-07-21T00:24:07Z
    audio: 君ノ記憶
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 160.006
      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: 0.458
      additional property: Energy
        type: PropertyValue
        value: 0.558
      additional property: Speechiness
        type: PropertyValue
        value: 0.042
      additional property: Acousticness
        type: PropertyValue
        value: 0.513
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.156
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: 闇の彼方まで (Game Ver.)
album: 想い出はそばに (Game Ver.)
album: はらり
album: 消えない虹 (Game Ver.)
album: 薄桜鬼 巡想録
album: 十六夜涙 (TV Size)
album: 散らない花
album: 十六夜涙
album: 青空ボタン (Game Ver.)
album: 夢花車
album: 時の栞
album: 舞風
album: アニメ「薄桜鬼」ドラマCD 〜星夜の想い〜
album: 風遙か
album: Hakuouki Reimeiroku Original Sound Track
album: 薄桜鬼 黎明録 オリジナルサウンドトラック
album: 響ノ空
album: 時の彩り
album: 光彼方
album: 夢ノ浮舟
album: 一輪の花
album: 太陽が生まれる場所
album: てのひらあわせ
album: 遠音
album: 紅ノ絲
album: パレット ～吉岡亜衣加 アニソンカバー～
album: パレット 〜吉岡亜衣加 アニソンカバー〜
album: 夢待ちの季節
album: ひだまりの中で
album: 桜の轍
album: 蒼穹ノ旗
album: AIKA'S BEST 〜空色〜
album: AIKA'S BEST 〜桜色〜
album: AIKA'S BEST ～桜色～
album: AIKA'S BEST ～空色～
album: 予感/水彩グラデーション (Game ver.)
album: 蒼き隼が如く
album: 薄桜鬼&AMNESIAコンサート2014 in ZEPP TOKYO
album: ことの葉の空へ
album: 瑠璃ノ空へ
album: 嵐の中で咲く華
album: 薫り語り (short ver.)
album: Kaorigatari
album: 逆転のウヱーブ
album: アコガレ玉手箱
album: くす玉ハート
album: 虹をつないで
album: hakuhyouinori (short ver.)
album: 一心 ～地の涯まで～
album: 一心 〜地の涯まで〜
album: 永恋詩
album: ゲーム「薄桜鬼」 オープニングベスト ～歌響集～
album: 想ノ舟/微笑みのほとり
album: Omoinofune/Hohoeminohotori
album: AIKA YOSHIOKA 10th Anniversary BEST ～Utanoshizuku～
album: AIKA YOSHIOKA 10th Anniversary BEST 〜うたのしずく〜
album: 願ノ河/星の咲く道で
album: Negainokawa/Hoshinosakumichide
album: 願ノ河(Game ver.)/星の咲く道で(Game ver.)

Valence (Positivity)
type: PropertyValue
value: 0.322

Loudness (dB)
type: PropertyValue
value: -6.479

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

アニメ「薄桜鬼」「薄桜鬼 碧血録」 ボーカルベスト 〜桜詠録〜
type: MusicAlbum
date published: 2008-10-09
track: 舞風
  type: MusicRecording
  duration: PT4M10S
  duration ms: 250320
  explicit: false
  by artist: 吉岡亜衣加
  in album: アニメ「薄桜鬼」「薄桜鬼 碧血録」 ボーカルベスト 〜桜詠録〜
    type: MusicAlbum
    date published: 2008-10-09
  genre: anime
  isrc code: JPV201000598
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T06:02:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdd52673b8c252037e3b313a3c254a7f6b94e8a97d7646a523990183086c0f5d2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958681
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958681
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPV201000598
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T06:14:54Z
  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 0xdd52673b8c252037e3b313a3c254a7f6b94e8a97d7646a523990183086c0f5d2. Chain 2 (Bitcoin): anchored in block 958681 (2026-07-19T06:14:54Z), 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/JPV201000598.
    date published: 2026-07-19T06:14:54Z
  audio: 舞風
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 142.976
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.56
    additional property: Energy
      type: PropertyValue
      value: 0.822
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.016
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.124
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.592
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.527
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

闇の彼方まで (Game Ver.)
type: MusicAlbum
date published: 2009-07-29

想い出はそばに (Game Ver.)
type: MusicAlbum
date published: 2009-07-29

はらり
type: MusicAlbum
date published: 2009-09-02
track: はらり
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229546
  explicit: false
  by artist: 吉岡亜衣加
  in album: はらり
    type: MusicAlbum
    date published: 2009-09-02
  genre: anime
  isrc code: JPV200800703
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T16:06:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8a1ed49de0c79f1a283748eae84c8bd6ec8f73b1911d589e6c9fb245ffca85b6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  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/JPV200800703
  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 0x8a1ed49de0c79f1a283748eae84c8bd6ec8f73b1911d589e6c9fb245ffca85b6. 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/JPV200800703.
    date published: 2026-07-05T01:12:41Z
  audio: はらり
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 119.979
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.564
    additional property: Energy
      type: PropertyValue
      value: 0.631
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.005
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.141
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.366
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.684
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor

はらり
type: MusicAlbum
date published: 2009-09-02
track: 闇の彼方まで
  type: MusicRecording
  duration: PT4M31S
  duration ms: 271560
  explicit: false
  by artist: 吉岡亜衣加
  in album: はらり
    type: MusicAlbum
    date published: 2009-09-02
  genre: anime
  isrc code: JPV200900528
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T05:06:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa721d627a10caa032fc1b55cc68ce9970fa8ebff0c447f7b7eaae6ec8f089562
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPV200900528
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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 0xa721d627a10caa032fc1b55cc68ce9970fa8ebff0c447f7b7eaae6ec8f089562. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/JPV200900528.
    date published: 2026-07-05T10:01:46Z
  audio: 闇の彼方まで
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 143.013
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.509
    additional property: Energy
      type: PropertyValue
      value: 0.904
    additional property: Speechiness
      type: PropertyValue
      value: 0.058
    additional property: Acousticness
      type: PropertyValue
      value: 0.014
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.352
    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.286
    additional property: Key Name
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track: 花びらの刻
  type: MusicRecording
  duration: PT4M20S
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  explicit: false
  by artist: 吉岡亜衣加
  in album: はらり
    type: MusicAlbum
    date published: 2009-09-02
  genre: anime
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958448
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPV200900532
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T19:49:21Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32925a2519ad0384d244d9b85475b61c4a06159bc61194a81424dc5aa4587cb8. 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/JPV200900532.
    date published: 2026-07-17T19:49:21Z
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    type: AudioObject
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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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消えない虹 (Game Ver.)
type: MusicAlbum
date published: 2010

薄桜鬼 巡想録
type: MusicAlbum
date published: 2010

十六夜涙 (TV Size)
type: MusicAlbum
date published: 2010

散らない花
type: MusicAlbum
date published: 2010-03-24

散らない花
type: MusicAlbum
date published: 2010-03-24

散らない花
type: MusicAlbum
date published: 2010-03-24

十六夜涙
type: MusicAlbum
date published: 2010-04-21
track: 十六夜涙
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  duration ms: 238426
  explicit: false
  by artist: 吉岡亜衣加
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    date published: 2010-04-21
  genre: anime
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  additional property: CopyrightStatus
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T07:51:38Z
  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 0xca6dde6f97cf079db858868cfd4603a3e99cbfe578d2519efc6339f547df1248. Chain 2 (Bitcoin): anchored in block 958827 (2026-07-20T07:51:38Z), 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/JPV201000321.
    date published: 2026-07-20T07:51:38Z
  audio: 十六夜涙
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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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十六夜涙
type: MusicAlbum
date published: 2010-04-21

青空ボタン (Game Ver.)
type: MusicAlbum
date published: 2010-05-14

夢花車
type: MusicAlbum
date published: 2010-08-04

夢花車
type: MusicAlbum
date published: 2010-08-04

夢花車
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date published: 2010-08-04

時の栞
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date published: 2010-09-01

時の栞
type: MusicAlbum
date published: 2010-09-01

時の栞
type: MusicAlbum
date published: 2010-09-01

舞風
type: MusicAlbum
date published: 2010-10-06

舞風
type: MusicAlbum
date published: 2010-10-06

アニメ「薄桜鬼」ドラマCD 〜星夜の想い〜
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date published: 2010-10-27

風遙か
type: MusicAlbum
date published: 2010-11-03

風遙か
type: MusicAlbum
date published: 2010-11-03

風遙か
type: MusicAlbum
date published: 2010-11-03

Hakuouki Reimeiroku Original Sound Track
type: MusicAlbum
date published: 2010-11-24

薄桜鬼 黎明録 オリジナルサウンドトラック
type: MusicAlbum
date published: 2010-11-24

響ノ空
type: MusicAlbum
date published: 2011-02-23

響ノ空
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date published: 2011-02-23

時の彩り
type: MusicAlbum
date published: 2011-07-13
track: 天ノ華
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T14:03:39Z
  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 0xea3870113409b1ba31e1a6ffb8327b6b2f9963db23ad1e975204d0630e71c2a2. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/JPV201100352.
    date published: 2026-07-04T14:03:39Z
  audio: 天ノ華
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    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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時の彩り
type: MusicAlbum
date published: 2011-07-13

時の彩り
type: MusicAlbum
date published: 2011-07-13

光彼方
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date published: 2011-08-10

夢ノ浮舟
type: MusicAlbum
date published: 2011-08-10

夢ノ浮舟
type: MusicAlbum
date published: 2011-08-10

光彼方
type: MusicAlbum
date published: 2011-08-10

夢ノ浮舟
type: MusicAlbum
date published: 2011-08-10

一輪の花
type: MusicAlbum
date published: 2011-12-28

一輪の花
type: MusicAlbum
date published: 2011-12-28

一輪の花
type: MusicAlbum
date published: 2011-12-28

太陽が生まれる場所
type: MusicAlbum
date published: 2012-03-21

太陽が生まれる場所
type: MusicAlbum
date published: 2012-03-21

太陽が生まれる場所
type: MusicAlbum
date published: 2012-03-21

てのひらあわせ
type: MusicAlbum
date published: 2012-07-25

てのひらあわせ
type: MusicAlbum
date published: 2012-07-25
track: 夢ノ浮舟
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256626
  explicit: false
  by artist: 吉岡亜衣加
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    date published: 2012-07-25
  genre: anime
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  additional property: CopyrightStatus
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956551
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPV201100364
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T21:18:05Z
  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 0xa48366a7873810b98a7c29be62148345d9174827966f5bee36fc0c814156d2a1. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/JPV201100364.
    date published: 2026-07-03T21:18:05Z
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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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てのひらあわせ
type: MusicAlbum
date published: 2012-07-25

遠音
type: MusicAlbum
date published: 2012-09-12

遠音
type: MusicAlbum
date published: 2012-09-12

遠音
type: MusicAlbum
date published: 2012-09-12

紅ノ絲
type: MusicAlbum
date published: 2013

パレット ～吉岡亜衣加 アニソンカバー～
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date published: 2013-01-30

パレット 〜吉岡亜衣加 アニソンカバー〜
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date published: 2013-01-30
track: 笑顔に会いたい
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  explicit: false
  by artist: 吉岡亜衣加
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    date published: 2013-01-30
  genre: anime
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8466af1748394e275f683b9e2c2023fc4d369531233d67d5bf9557a40b9e5c89. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/JPV201300010.
    date published: 2026-07-04T10:04:33Z
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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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: 2026-07-20T02:25:18Z
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.606
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 空へ...
  type: MusicRecording
  duration: PT3M51S
  duration ms: 231720
  explicit: false
  by artist: 吉岡亜衣加
  in album: パレット 〜吉岡亜衣加 アニソンカバー〜
    type: MusicAlbum
    date published: 2013-01-30
  genre: anime
  isrc code: JPV201300018
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T07:30:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbe31cab2ccaff1a4a8e3d3df5dcd1379f51664313b89b3ae5ce63a7d1f0802bf
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958383
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958383
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: 空へ...

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPV201300018

OTSTimestamp
type: PropertyValue
value: 2026-07-17T08:20:01Z

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 0xbe31cab2ccaff1a4a8e3d3df5dcd1379f51664313b89b3ae5ce63a7d1f0802bf. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/JPV201300018.
date published: 2026-07-17T08:20:01Z

空へ...
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 154.009
additional property: Musical Key
  type: PropertyValue
  value: 9
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.483
additional property: Energy
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  value: 0.565
additional property: Speechiness
  type: PropertyValue
  value: 0.028
additional property: Acousticness
  type: PropertyValue
  value: 0.232
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.334
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.402
additional property: Loudness (dB)
  type: PropertyValue
  value: -6.73
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Minor

夢待ちの季節
type: MusicAlbum
date published: 2013-04-17

夢待ちの季節
type: MusicAlbum
date published: 2013-04-17

夢待ちの季節
type: MusicAlbum
date published: 2013-04-17

ひだまりの中で
type: MusicAlbum
date published: 2013-08-21

紅ノ絲
type: MusicAlbum
date published: 2013-08-21

紅ノ絲
type: MusicAlbum
date published: 2013-08-21

紅ノ絲
type: MusicAlbum
date published: 2013-08-21
track: 紅ノ絲
  type: MusicRecording
  duration: PT5M42S
  duration ms: 342826
  explicit: false
  by artist: 吉岡亜衣加
  in album: 紅ノ絲
    type: MusicAlbum
    date published: 2013-08-21
  genre: anime
  isrc code: JPPI01354020
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T18:50:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1d6bd99e7e71b70ad7ed6f1bf7078bb8eff6a9248baf9292319027bc6978d717
  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/JPPI01354020
  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 0x1d6bd99e7e71b70ad7ed6f1bf7078bb8eff6a9248baf9292319027bc6978d717. 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/JPPI01354020.
    date published: 2026-07-03T19:59:51Z
  audio: 紅ノ絲
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 161.914
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.39
    additional property: Energy
      type: PropertyValue
      value: 0.687
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.113
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.005
    additional property: Liveness
      type: PropertyValue
      value: 0.114
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.273
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.429
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

ひだまりの中で
type: MusicAlbum
date published: 2013-08-21

桜の轍
type: MusicAlbum
date published: 2013-12-25

桜の轍
type: MusicAlbum
date published: 2013-12-25

蒼穹ノ旗
type: MusicAlbum
date published: 2014

蒼穹ノ旗
type: MusicAlbum
date published: 2014-02-26
track: 蒼穹ノ旗
  type: MusicRecording
  duration: PT6M24S
  duration ms: 384893
  explicit: false
  by artist: 吉岡亜衣加
  in album: 蒼穹ノ旗
    type: MusicAlbum
    date published: 2014-02-26
  genre: anime
  isrc code: JPPI01356470
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x280e96bbfae7bb9bcf9455e08a993f78b2722bd178f8ac638ef1c7984cc8e66c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958991
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958991
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPI01356470
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T11:02:12Z
  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 0x280e96bbfae7bb9bcf9455e08a993f78b2722bd178f8ac638ef1c7984cc8e66c. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T11:02:12Z), 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/JPPI01356470.
    date published: 2026-07-21T11:02:12Z
  audio: 蒼穹ノ旗
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 145.908
    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: 0.332
    additional property: Energy
      type: PropertyValue
      value: 0.63
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.429
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.234
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.278
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.766
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

蒼穹ノ旗
type: MusicAlbum
date published: 2014-02-26

蒼穹ノ旗
type: MusicAlbum
date published: 2014-02-26
track: 蒼穹ノ旗
  type: MusicRecording
  duration: PT6M24S
  duration ms: 384893
  explicit: false
  by artist: 吉岡亜衣加
  in album: 蒼穹ノ旗
    type: MusicAlbum
    date published: 2014-02-26
  genre: anime
  isrc code: JPPI01356470
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T23:30:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x280e96bbfae7bb9bcf9455e08a993f78b2722bd178f8ac638ef1c7984cc8e66c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957775
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957775
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPI01356470
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T00:04:23Z
  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 0x280e96bbfae7bb9bcf9455e08a993f78b2722bd178f8ac638ef1c7984cc8e66c. Chain 2 (Bitcoin): anchored in block 957775 (2026-07-13T00:04:23Z), 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/JPPI01356470.
    date published: 2026-07-13T00:04:23Z
  audio: 蒼穹ノ旗
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 145.908
    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: 0.332
    additional property: Energy
      type: PropertyValue
      value: 0.63
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.429
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.234
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.278
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.766
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

AIKA'S BEST 〜空色〜
type: MusicAlbum
date published: 2014-03-05
track: 散らない花
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275373
  explicit: false
  by artist: 吉岡亜衣加
  in album: AIKA'S BEST 〜空色〜
    type: MusicAlbum
    date published: 2014-03-05
  genre: anime
  isrc code: JPV201000316
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T08:25:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x90a3a03033159cd1442f44597c5e2eb7d28ccd2fd942e8c70b85e342877e1536
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPV201000316
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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 0x90a3a03033159cd1442f44597c5e2eb7d28ccd2fd942e8c70b85e342877e1536. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/JPV201000316.
    date published: 2026-07-05T10:01:46Z
  audio: 散らない花
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 128.008
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.588
    additional property: Energy
      type: PropertyValue
      value: 0.881
    additional property: Speechiness
      type: PropertyValue
      value: 0.054
    additional property: Acousticness
      type: PropertyValue
      value: 0.115
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.267
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.537
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.185
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: 紅い蜃気楼
  type: MusicRecording
  duration: PT4M3S
  duration ms: 243960
  explicit: false
  by artist: 吉岡亜衣加
  in album: AIKA'S BEST 〜空色〜
    type: MusicAlbum
    date published: 2014-03-05
  genre: anime
  isrc code: JPV201000565
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T01:55:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa9ccd45de804246afd06da50b946dab7f19e5b6a8cbf5fdc1e2535dafcedad7a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958805
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958805
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPV201000565
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T04:56:29Z
  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 0xa9ccd45de804246afd06da50b946dab7f19e5b6a8cbf5fdc1e2535dafcedad7a. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T04:56:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPV201000565.
    date published: 2026-07-20T04:56:29Z
  audio: 紅い蜃気楼
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 126.057
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.541
    additional property: Energy
      type: PropertyValue
      value: 0.551
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.175
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.311
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.4
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.087
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor

AIKA'S BEST 〜桜色〜
type: MusicAlbum
date published: 2014-03-05
track: 天ノ華
  type: MusicRecording
  duration: PT4M46S
  duration ms: 286413
  explicit: false
  by artist: 吉岡亜衣加
  in album: AIKA'S BEST 〜桜色〜
    type: MusicAlbum
    date published: 2014-03-05
  genre: anime
  isrc code: JPV201100352
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T09:37:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xea3870113409b1ba31e1a6ffb8327b6b2f9963db23ad1e975204d0630e71c2a2
  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/JPV201100352
  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
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    date published: 2026-07-03T19:59:51Z
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AIKA'S BEST ～桜色～
type: MusicAlbum
date published: 2014-03-05

AIKA'S BEST ～空色～
type: MusicAlbum
date published: 2014-03-05

予感/水彩グラデーション (Game ver.)
type: MusicAlbum
date published: 2014-04-16

蒼き隼が如く
type: MusicAlbum
date published: 2014-09-03

蒼き隼が如く
type: MusicAlbum
date published: 2014-09-03

薄桜鬼&AMNESIAコンサート2014 in ZEPP TOKYO
type: MusicAlbum
date published: 2015-03-04

薄桜鬼&AMNESIAコンサート2014 in ZEPP TOKYO
type: MusicAlbum
date published: 2015-03-04

ことの葉の空へ
type: MusicAlbum
date published: 2015-09-02

ことの葉の空へ
type: MusicAlbum
date published: 2015-09-02

瑠璃ノ空へ
type: MusicAlbum
date published: 2015-10-07

瑠璃ノ空へ
type: MusicAlbum
date published: 2015-10-07

嵐の中で咲く華
type: MusicAlbum
date published: 2016-06-22

嵐の中で咲く華
type: MusicAlbum
date published: 2016-06-22

薫り語り (short ver.)
type: MusicAlbum
date published: 2016-07-27

Kaorigatari
type: MusicAlbum
date published: 2016-07-27

逆転のウヱーブ
type: MusicAlbum
date published: 2016-12-07

逆転のウヱーブ
type: MusicAlbum
date published: 2016-12-07

アコガレ玉手箱
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date published: 2016-12-07

くす玉ハート
type: MusicAlbum
date published: 2016-12-07

虹をつないで
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date published: 2017-02-15
track: 嵐の中で咲く華
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-17T16:42:22Z
  audio: 嵐の中で咲く華
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    additional property: Danceability
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虹をつないで
type: MusicAlbum
date published: 2017-02-15

hakuhyouinori (short ver.)
type: MusicAlbum
date published: 2017-03-08

一心 ～地の涯まで～
type: MusicAlbum
date published: 2017-07-26

一心 〜地の涯まで〜
type: MusicAlbum
date published: 2017-07-26

永恋詩
type: MusicAlbum
date published: 2017-09-13

ゲーム「薄桜鬼」 オープニングベスト ～歌響集～
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date published: 2018-06-06
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    date published: 2018-06-06
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T10:01:46Z
  audio: はらり
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track: 嵐の中で咲く華
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    date published: 2018-06-06
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-21T08:47:49Z
  audio: 嵐の中で咲く華
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  subject of: OpenTimestamps Proof of Existence
  audio: 一心 ～地の涯まで～
track: 十六夜涙
track: 舞風

OTSVerificationAPI
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OTSTimestamp
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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 0xe4538b7a1620ec47e683aa611aeeb7f7f1922864e7d0297013de9f09a6ca936e. 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/JPV201700281.
date published: 2026-07-05T01:12:41Z

一心 ～地の涯まで～
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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: 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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十六夜涙
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-19T20:44:49Z
audio: 十六夜涙
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舞風
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genre: anime
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additional property: OTSVerificationAPI
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd52673b8c252037e3b313a3c254a7f6b94e8a97d7646a523990183086c0f5d2. Chain 2 (Bitcoin): anchored in block 958817 (2026-07-20T06:42:43Z), 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/JPV201000598.
  date published: 2026-07-20T06:42:43Z
audio: 舞風
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ゲーム「薄桜鬼」 オープニングベスト ～歌響集～
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想ノ舟/微笑みのほとり
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Omoinofune/Hohoeminohotori
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AIKA YOSHIOKA 10th Anniversary BEST ～Utanoshizuku～
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AIKA YOSHIOKA 10th Anniversary BEST 〜うたのしずく〜
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願ノ河/星の咲く道で
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Negainokawa/Hoshinosakumichide
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願ノ河(Game ver.)/星の咲く道で(Game ver.)
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絆火燃ゆ (Game Ver.)
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Kizunabimoyu (Game Ver.)
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Kizunabimoyu
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絆火燃ゆ
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刹那の鼓動
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Setsuna no kodo
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刹那の鼓動
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Chikainokakera
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誓ノ花片
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Hanakasumi_Kumonohatateni
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Hanakasumi_Kumonohatateni (Game ver)
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花霞/雲の果たてに (Game ver.)
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花霞/雲の果たてに
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帰心～万世に願ふ～
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