鶴三
type: MusicGroup
genre: vocaloid
popularity: 5
followers: 379
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0bb7c7b97e0ecc17c1fded60274ead5571b28ccd4df02eef688e42c3bba6b772
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954027
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954027
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/38eca3d0-9f0c-479c-a901-321fe4b9ef92.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/38eca3d0-9f0c-479c-a901-321fe4b9ef92.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/38eca3d0-9f0c-479c-a901-321fe4b9ef92
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T00:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0bb7c7b97e0ecc17c1fded60274ead5571b28ccd4df02eef688e42c3bba6b772","name":"鶴三","registered_at":"2026-06-16T09:23:08Z","symbol":"NIM1007850","token_address":"0xbbccb9d7713eaa48d9d9d43f9c8023693b50ddf2","type":"artist","uuid":"38eca3d0-9f0c-479c-a901-321fe4b9ef92"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bb7c7b97e0ecc17c1fded60274ead5571b28ccd4df02eef688e42c3bba6b772. Chain 2 (Bitcoin): anchored in block 954027 (2026-06-17T00:55:08Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/38eca3d0-9f0c-479c-a901-321fe4b9ef92.json and https://artists.proofprofile.net/proofs/artist/38eca3d0-9f0c-479c-a901-321fe4b9ef92.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T00:55:08Z
  text: {"copyright_id":"0x0bb7c7b97e0ecc17c1fded60274ead5571b28ccd4df02eef688e42c3bba6b772","name":"鶴三","registered_at":"2026-06-16T09:23:08Z","symbol":"NIM1007850","token_address":"0xbbccb9d7713eaa48d9d9d43f9c8023693b50ddf2","type":"artist","uuid":"38eca3d0-9f0c-479c-a901-321fe4b9ef92"}
album: 自遊美楽
  type: MusicAlbum
  date published: 2022-11-11
album: オリジナル
  type: MusicAlbum
  date published: 2023-03-18
  track: オリジナル
    type: MusicRecording
    duration: PT2M39S
    duration ms: 159497
    explicit: false
    by artist: 鶴三
    in album: オリジナル
      type: MusicAlbum
      date published: 2023-03-18
    genre: vocaloid
    isrc code: JPB602300588
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T03:43:28+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x618b8290a2d60c454989ef2a53115c1a3fd9419703c5abab5f2fd639516d5960
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958817
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958817
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB602300588
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T03:52:09Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x618b8290a2d60c454989ef2a53115c1a3fd9419703c5abab5f2fd639516d5960. Chain 2 (Bitcoin): anchored in block 958817 (2026-07-20T03:52:09Z), 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/JPB602300588.
      date published: 2026-07-20T03:52:09Z
    audio: オリジナル
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 99.541
      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: 0.613
      additional property: Energy
        type: PropertyValue
        value: 0.589
      additional property: Speechiness
        type: PropertyValue
        value: 0.068
      additional property: Acousticness
        type: PropertyValue
        value: 0.035
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.372
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.729
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.496
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: アネモネが咲く頃
  type: MusicAlbum
  date published: 2023-08-08