Karen Kirishima
type: MusicGroup
genre: kayokyoku
genre: shibuya-kei
popularity: 2
followers: 277
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa769f0defd3e93734d513c04337e2208f3177ef56fe91fe77d2bfa04fe1ace8b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954569
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954569
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b15cbbfb-0feb-4b10-92a2-b5cfd902584a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b15cbbfb-0feb-4b10-92a2-b5cfd902584a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b15cbbfb-0feb-4b10-92a2-b5cfd902584a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T14:36:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa769f0defd3e93734d513c04337e2208f3177ef56fe91fe77d2bfa04fe1ace8b","name":"Karen Kirishima","registered_at":"2026-06-20T12:04:59Z","symbol":"NIM1609033","token_address":"0xc9f16752a34ff96031411ebcc01be0a92dcc6632","type":"artist","uuid":"b15cbbfb-0feb-4b10-92a2-b5cfd902584a"}
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 0xa769f0defd3e93734d513c04337e2208f3177ef56fe91fe77d2bfa04fe1ace8b. Chain 2 (Bitcoin): anchored in block 954569 (2026-06-20T14:36:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b15cbbfb-0feb-4b10-92a2-b5cfd902584a.json and https://artists.proofprofile.net/proofs/artist/b15cbbfb-0feb-4b10-92a2-b5cfd902584a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T14:36:29Z
  text: {"copyright_id":"0xa769f0defd3e93734d513c04337e2208f3177ef56fe91fe77d2bfa04fe1ace8b","name":"Karen Kirishima","registered_at":"2026-06-20T12:04:59Z","symbol":"NIM1609033","token_address":"0xc9f16752a34ff96031411ebcc01be0a92dcc6632","type":"artist","uuid":"b15cbbfb-0feb-4b10-92a2-b5cfd902584a"}
album: かれん
  type: MusicAlbum
  date published: 1990-06-27
  track: TRAVELING GIRL
    type: MusicRecording
    duration: PT4M9S
    duration ms: 249533
    explicit: false
    by artist: Karen Kirishima
    in album: かれん
      type: MusicAlbum
      date published: 1990-06-27
    genre: kayokyoku
    genre: shibuya-kei
    isrc code: JPTO09014130
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T04:16:04+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x569507018904ec1f3295e130e184e3d5dd848b28e9b879ed4d898d06920c9513
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956894
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956894
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09014130
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T07:53:57Z
    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 0x569507018904ec1f3295e130e184e3d5dd848b28e9b879ed4d898d06920c9513. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/JPTO09014130.
      date published: 2026-07-06T07:53:57Z
    audio: TRAVELING GIRL
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 124.886
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.626
      additional property: Energy
        type: PropertyValue
        value: 0.858
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.642
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.21
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.872
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.096
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: ディスコ桐島
  type: MusicAlbum
  date published: 1991-10-23