石川由依
type: MusicGroup
genre: anime
popularity: 22
followers: 3193
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/45ee6397-2aeb-46f2-bdb0-0abdebf17ff0.ots
additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/45ee6397-2aeb-46f2-bdb0-0abdebf17ff0.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/45ee6397-2aeb-46f2-bdb0-0abdebf17ff0
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a4fde3b9f1c77a30650a54317bac2a5128ca87d77f2310f78348cacf67080bb. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/45ee6397-2aeb-46f2-bdb0-0abdebf17ff0.json and https://artists.proofprofile.net/proofs/artist/45ee6397-2aeb-46f2-bdb0-0abdebf17ff0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
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album: UTA-KATA 旋律集 (Vol.1〜夜明けの吟遊詩人〜)
  type: MusicAlbum
  date published: 2021-01-13
album: UTA-KATA 旋律集 (Vol.1〜夜明けの吟遊詩人〜)
  type: MusicAlbum
  date published: 2021-01-13
album: いのちの名前 - from CrosSing
  type: MusicAlbum
  date published: 2022-05-04
album: Inochino Namae - From CrosSing
  type: MusicAlbum
  date published: 2022-05-04
album: Weight of the World/Kowareta Sekai no Uta - From CrosSing
  type: MusicAlbum
  date published: 2023-08-09
album: Weight of the World/壊レタ世界ノ歌 - from CrosSing
  type: MusicAlbum
  date published: 2023-08-09
album: 感涙デトックス朗読「ボクと7通の手紙」～第一章
  type: MusicAlbum
  date published: 2024-04-24
album: 感涙デトックス朗読「ボクと7通の手紙」～第二章
  type: MusicAlbum
  date published: 2024-05-01
album: 感涙デトックス朗読「ボクと7通の手紙」～第三章
  type: MusicAlbum
  date published: 2024-05-08
album: AKUMA NO KO - From CrosSing
  type: MusicAlbum
  date published: 2024-10-02
album: 悪魔の子 - from CrosSing
  type: MusicAlbum
  date published: 2024-10-02
album: Dreaming of Tomorrow
  type: MusicAlbum
  date published: 2025-05-30
  track: Dreaming of Tomorrow
    type: MusicRecording
    duration: PT5M11S
    duration ms: 311609
    explicit: false
    by artist: 石川由依
    in album: Dreaming of Tomorrow
      type: MusicAlbum
      date published: 2025-05-30
    genre: anime
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    additional property: CopyrightStatus
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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 0xb69cac095ae6c22c800dafeac5a17727b9aa5ba17a418661133875475263d627. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:10:46Z), 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/JP92G2520142.
      date published: 2026-07-20T11:10:46Z
    audio: Dreaming of Tomorrow
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      additional property: Tempo (BPM)
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      additional property: Energy
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      additional property: Speechiness
        type: PropertyValue
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      additional property: Acousticness
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      additional property: Instrumentalness
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.909
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
track: Viva! Spark!トロピカル～ジュ！プリキュア withトロピカる部
track: Viva! Spark!トロピカル～ジュ！プリキュア ～トロピカる部 Ver.～

Viva! Spark!トロピカル～ジュ！プリキュア withトロピカる部
type: MusicRecording
duration: PT4M22S
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explicit: false
by artist: Machico
by artist: トロピカる部
by artist: ファイルーズあい
by artist: 花守ゆみり
by artist: 石川由依
by artist: Asami Seto
by artist: 日高里菜
in album: トロピカル～ジュ！プリキュア 後期主題歌シングル 【通常盤】
  type: MusicAlbum
  date published: 2021-08-11
isrc code: JPD602100081
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD602100081
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953520
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59dc2935a976ab2e481c71a6720e3d76b30a2dc3b4ee2a94c9c408c751a0bea3. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/JPD602100081.
  date published: 2026-06-13T15:41:10Z
audio: Viva! Spark!トロピカル～ジュ！プリキュア withトロピカる部
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.746
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
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    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
    value: 0.936
  additional property: Speechiness
    type: PropertyValue
    value: 0.072
  additional property: Acousticness
    type: PropertyValue
    value: 0.071
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.16
  additional property: Liveness
    type: PropertyValue
    value: 0.432
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.774
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.636
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Viva! Spark!トロピカル～ジュ！プリキュア ～トロピカる部 Ver.～
type: MusicRecording
duration: PT4M19S
duration ms: 259560
explicit: false
by artist: トロピカる部
by artist: ファイルーズあい
by artist: 花守ゆみり
by artist: 石川由依
by artist: Asami Seto
by artist: 日高里菜
in album: トロピカル～ジュ！プリキュア ボーカルアルバム ～トロピカる！MUSIC BOX～
  type: MusicAlbum
  date published: 2021-07-21
isrc code: JPD602100063
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-17T22:43:22+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD602100063
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff0f4aee46c0ca8733e2c7e3bd4fed8a183174bb458b343500950918e3f838f6. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/JPD602100063.
  date published: 2026-07-02T03:30:09Z
audio: Viva! Spark!トロピカル～ジュ！プリキュア ～トロピカる部 Ver.～
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.783
  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: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.681
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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