Natan Kurata
type: MusicGroup
genre: brazilian rock
popularity: 3
followers: 255
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc9b4ffb1fc7831b03c751c031bd130a2c30aa365265cfb8f1d1ad270defedb6f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954500
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954500
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9aef05ff-cbd7-46e0-a68e-f172c6ad739c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9aef05ff-cbd7-46e0-a68e-f172c6ad739c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9aef05ff-cbd7-46e0-a68e-f172c6ad739c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T04:47:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc9b4ffb1fc7831b03c751c031bd130a2c30aa365265cfb8f1d1ad270defedb6f","name":"Natan Kurata","registered_at":"2026-06-20T03:38:10Z","symbol":"NIM1499697","token_address":"0x220fa772c7fa90dcbc1df640ee79b217bdb58e17","type":"artist","uuid":"9aef05ff-cbd7-46e0-a68e-f172c6ad739c"}
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 0xc9b4ffb1fc7831b03c751c031bd130a2c30aa365265cfb8f1d1ad270defedb6f. Chain 2 (Bitcoin): anchored in block 954500 (2026-06-20T04:47:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9aef05ff-cbd7-46e0-a68e-f172c6ad739c.json and https://artists.proofprofile.net/proofs/artist/9aef05ff-cbd7-46e0-a68e-f172c6ad739c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T04:47:29Z
  text: {"copyright_id":"0xc9b4ffb1fc7831b03c751c031bd130a2c30aa365265cfb8f1d1ad270defedb6f","name":"Natan Kurata","registered_at":"2026-06-20T03:38:10Z","symbol":"NIM1499697","token_address":"0x220fa772c7fa90dcbc1df640ee79b217bdb58e17","type":"artist","uuid":"9aef05ff-cbd7-46e0-a68e-f172c6ad739c"}
album: Bem
  type: MusicAlbum
  date published: 2021-01-15
album: Cobertor
  type: MusicAlbum
  date published: 2021-02-05
album: Grão
  type: MusicAlbum
  date published: 2021-02-26
album: Não Dá
  type: MusicAlbum
  date published: 2023-09-29
  track: Não Dá
    type: MusicRecording
    duration: PT3M8S
    duration ms: 188860
    explicit: false
    by artist: Natan Kurata
    in album: Não Dá
      type: MusicAlbum
      date published: 2023-09-29
    genre: brazilian rock
    isrc code: BKNAK2300001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T01:18:56+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe02227e179a1fb46e7d879167bb4c21dc23ab3d5ea62bbb904d756a8b79eddec
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958489
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958489
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BKNAK2300001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T04:13:26Z
    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 0xe02227e179a1fb46e7d879167bb4c21dc23ab3d5ea62bbb904d756a8b79eddec. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/BKNAK2300001.
      date published: 2026-07-18T04:13:26Z
    audio: Não Dá
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 140.139
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.611
      additional property: Energy
        type: PropertyValue
        value: 0.646
      additional property: Speechiness
        type: PropertyValue
        value: 0.033
      additional property: Acousticness
        type: PropertyValue
        value: 0.058
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.076
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.398
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.724
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Nós
  type: MusicAlbum
  date published: 2023-11-10
album: Nada Igual
  type: MusicAlbum
  date published: 2024-02-02
album: Por Mais
  type: MusicAlbum
  date published: 2024-05-22
album: Paciência
  type: MusicAlbum
  date published: 2024-10-11