柊かがみ (CV.加藤英美里)
type: MusicGroup
genre: anime
popularity: 24
followers: 614
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x42b90ddd9f9e01b34e1b59a6430b0855b43fdefc4ba31c121e8a9a8a3f8ba4e2
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/bcf37cae-b726-4b63-80c2-4b4b91cabcab.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bcf37cae-b726-4b63-80c2-4b4b91cabcab.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/bcf37cae-b726-4b63-80c2-4b4b91cabcab
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x42b90ddd9f9e01b34e1b59a6430b0855b43fdefc4ba31c121e8a9a8a3f8ba4e2","name":"柊かがみ (CV.加藤英美里)","registered_at":"2026-06-12T08:37:21Z","symbol":"NIM0244313","token_address":"0x1a9468f12ec64dabb8aac458439b9ea02c2998f4","type":"artist","uuid":"bcf37cae-b726-4b63-80c2-4b4b91cabcab"}
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 0x42b90ddd9f9e01b34e1b59a6430b0855b43fdefc4ba31c121e8a9a8a3f8ba4e2. 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/bcf37cae-b726-4b63-80c2-4b4b91cabcab.json and https://artists.proofprofile.net/proofs/artist/bcf37cae-b726-4b63-80c2-4b4b91cabcab.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x42b90ddd9f9e01b34e1b59a6430b0855b43fdefc4ba31c121e8a9a8a3f8ba4e2","name":"柊かがみ (CV.加藤英美里)","registered_at":"2026-06-12T08:37:21Z","symbol":"NIM0244313","token_address":"0x1a9468f12ec64dabb8aac458439b9ea02c2998f4","type":"artist","uuid":"bcf37cae-b726-4b63-80c2-4b4b91cabcab"}
album: TVアニメ『らき☆すた』キャラクターソング Vol.002 柊かがみ (加藤英美里)
  type: MusicAlbum
  date published: 2007-09-05
  track: ケンカ予報の時間だよ
    type: MusicRecording
    duration: PT3M43S
    duration ms: 223506
    explicit: false
    by artist: 柊かがみ (CV.加藤英美里)
    in album: TVアニメ『らき☆すた』キャラクターソング Vol.002 柊かがみ (加藤英美里)
      type: MusicAlbum
      date published: 2007-09-05
    genre: anime
    isrc code: JPI100701540
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T10:16:46+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa19de3dc4bbc5490e5a8ad761f6aa6beaa4f2ad56168885162b661e374e07e41
    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/JPI100701540
    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 0xa19de3dc4bbc5490e5a8ad761f6aa6beaa4f2ad56168885162b661e374e07e41. 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/JPI100701540.
      date published: 2026-07-05T01:12:41Z
    audio: ケンカ予報の時間だよ
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 170.092
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.551
      additional property: Energy
        type: PropertyValue
        value: 0.989
      additional property: Speechiness
        type: PropertyValue
        value: 0.085
      additional property: Acousticness
        type: PropertyValue
        value: 0.243
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.25
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.803
      additional property: Loudness (dB)
        type: PropertyValue
        value: -2.41
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: 100%？ナイナイナイ
    type: MusicRecording
    duration: PT3M53S
    duration ms: 233146
    explicit: false
    by artist: 柊かがみ (CV.加藤英美里)
    in album: TVアニメ『らき☆すた』キャラクターソング Vol.002 柊かがみ (加藤英美里)
      type: MusicAlbum
      date published: 2007-09-05
    genre: anime
    isrc code: JPI100701541
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T10:19:34+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb8de39df515be1cc217c632042b51d4795bb4d8b5e8f0d9f65531af3724f1b10
    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/JPI100701541
    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 0xb8de39df515be1cc217c632042b51d4795bb4d8b5e8f0d9f65531af3724f1b10. 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/JPI100701541.
      date published: 2026-07-05T01:12:41Z
    audio: 100%？ナイナイナイ
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 105.051
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.671
      additional property: Energy
        type: PropertyValue
        value: 0.882
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.038
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.32
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.619
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name

Loudness (dB)
type: PropertyValue
value: -4.205

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Major