椎名ひかり
type: MusicGroup
genre: j-rock
genre: visual kei
popularity: 5
followers: 886
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa76e1f0183568b57bbdce53232f7da25eed591b474e99f4112fdae35a31bf335
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953972
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953972
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2a35916b-4455-4fae-90e1-df233dbaed6d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2a35916b-4455-4fae-90e1-df233dbaed6d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2a35916b-4455-4fae-90e1-df233dbaed6d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T16:31:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa76e1f0183568b57bbdce53232f7da25eed591b474e99f4112fdae35a31bf335","name":"椎名ひかり","registered_at":"2026-06-16T04:31:59Z","symbol":"NIM0938327","token_address":"0x4f4d89479a14967cf2b97931d8208ce054ab6c21","type":"artist","uuid":"2a35916b-4455-4fae-90e1-df233dbaed6d"}
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 0xa76e1f0183568b57bbdce53232f7da25eed591b474e99f4112fdae35a31bf335. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2a35916b-4455-4fae-90e1-df233dbaed6d.json and https://artists.proofprofile.net/proofs/artist/2a35916b-4455-4fae-90e1-df233dbaed6d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
  text: {"copyright_id":"0xa76e1f0183568b57bbdce53232f7da25eed591b474e99f4112fdae35a31bf335","name":"椎名ひかり","registered_at":"2026-06-16T04:31:59Z","symbol":"NIM0938327","token_address":"0x4f4d89479a14967cf2b97931d8208ce054ab6c21","type":"artist","uuid":"2a35916b-4455-4fae-90e1-df233dbaed6d"}
album: 不完全な僕と完成された社会
  type: MusicAlbum
  date published: 2018-11-20
  track: hate!hate!hate!
    type: MusicRecording
    duration: PT2M28S
    duration ms: 148670
    explicit: true
    by artist: 椎名ひかり
    in album: 不完全な僕と完成された社会
      type: MusicAlbum
      date published: 2018-11-20
    genre: j-rock
    genre: visual kei
    isrc code: JPPO17432428
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T02:36:16+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xcfb2edc97af642127389aa0a9e1dfd35c539efb78775b24dd0b5966907fd608e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958808
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958808
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO17432428
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T05:38:37Z
    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 0xcfb2edc97af642127389aa0a9e1dfd35c539efb78775b24dd0b5966907fd608e. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T05:38:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO17432428.
      date published: 2026-07-20T05:38:37Z
    audio: hate!hate!hate!
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 98.089
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.411
      additional property: Energy
        type: PropertyValue
        value: 0.987
      additional property: Speechiness
        type: PropertyValue
        value: 0.095
      additional property: Acousticness
        type: PropertyValue
        value: 0.032
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.696
      additional property: Liveness
        type: PropertyValue
        value: 0.142
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.292
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.09
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: 不完全な僕と完成された社会
  type: MusicAlbum
  date published: 2018-11-20
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  date published: 2021-01-31
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