Haruki
type: MusicGroup
genre: j-rap
description: Haruki is both a masculine/neutral Japanese given name and a Japanese surname. Notable people with the name include: Given name: , Japanese footballer , Japanese-born theatre performer , Nippon Pro
popularity: 4
followers: 101
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x795c1eddf1a319f264097b1da190a41e26e40fd8661f5998d65836111fb2c924
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/52207ade-551d-4c45-8b42-1c5d428ff713.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/52207ade-551d-4c45-8b42-1c5d428ff713.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/52207ade-551d-4c45-8b42-1c5d428ff713
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
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 0x795c1eddf1a319f264097b1da190a41e26e40fd8661f5998d65836111fb2c924. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/52207ade-551d-4c45-8b42-1c5d428ff713.json and https://artists.proofprofile.net/proofs/artist/52207ade-551d-4c45-8b42-1c5d428ff713.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
album: Last Chance
  type: MusicAlbum
  date published: 2023-02-24
album: Last Chance
  type: MusicAlbum
  date published: 2023-02-24
  track: Last Chance
    type: MusicRecording
    duration: PT3M22S
    duration ms: 202957
    explicit: false
    by artist: Haruki
    in album: Last Chance
      type: MusicAlbum
      date published: 2023-02-24
    genre: j-rap
    isrc code: TCJPU2389011
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T01:44:47+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xca1a2d1098c9cd52e458afe56c7e3bbca09639660aa79b0faffa4eeb8eae49a3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956656
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956656
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPU2389011
    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 0xca1a2d1098c9cd52e458afe56c7e3bbca09639660aa79b0faffa4eeb8eae49a3. 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/TCJPU2389011.
      date published: 2026-07-04T14:03:39Z
    audio: Last Chance
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 92.219
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.635
      additional property: Energy
        type: PropertyValue
        value: 0.647
      additional property: Speechiness
        type: PropertyValue
        value: 0.216
      additional property: Acousticness
        type: PropertyValue
        value: 0.138
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.03
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.931
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.976
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Last Chance
  type: MusicAlbum
  date published: 2023-07-01
album: Last Chance
  type: MusicAlbum
  date published: 2023-07-01
album: Chocolate Cake
  type: MusicAlbum
  date published: 2023-12-16
album: My beach
  type: MusicAlbum
  date published: 2024-07-15
album: My beach
  type: MusicAlbum
  date published: 2024-07-15
album: MAYBE
  type: MusicAlbum
  date published: 2025-10-01
album: MAYBE
  type: MusicAlbum
  date published: 2025-10-22
album: MAYBE
  type: MusicAlbum
  date published: 2025-10-22