João do Piseiro
type: MusicGroup
genre: forró
genre: piseiro
popularity: 5
followers: 4028
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf441fec64de2144892a7265aec809decba9049efe841fe482a5c2f7c6b7635cc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954728
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f8755608-b41d-45c8-b296-759ee1542c28.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f8755608-b41d-45c8-b296-759ee1542c28.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f8755608-b41d-45c8-b296-759ee1542c28
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T18:08:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf441fec64de2144892a7265aec809decba9049efe841fe482a5c2f7c6b7635cc","name":"João do Piseiro","registered_at":"2026-06-21T15:51:50Z","symbol":"NIM1965063","token_address":"0x69628d4c2ac1e8d42de1f479436484368eafc82b","type":"artist","uuid":"f8755608-b41d-45c8-b296-759ee1542c28"}
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 0xf441fec64de2144892a7265aec809decba9049efe841fe482a5c2f7c6b7635cc. Chain 2 (Bitcoin): anchored in block 954729 (2026-06-21T18:16:07Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f8755608-b41d-45c8-b296-759ee1542c28.json and https://artists.proofprofile.net/proofs/artist/f8755608-b41d-45c8-b296-759ee1542c28.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T18:16:07Z
  text: {"copyright_id":"0xf441fec64de2144892a7265aec809decba9049efe841fe482a5c2f7c6b7635cc","name":"João do Piseiro","registered_at":"2026-06-21T15:51:50Z","symbol":"NIM1965063","token_address":"0x69628d4c2ac1e8d42de1f479436484368eafc82b","type":"artist","uuid":"f8755608-b41d-45c8-b296-759ee1542c28"}
album: João da Nova Geração
  type: MusicAlbum
  date published: 2022-08-05
album: João da Nova Geração
  type: MusicAlbum
  date published: 2022-08-05
album: Nova Geração
  type: MusicAlbum
  date published: 2022-10-26
  track: Tive um Sonho
    type: MusicRecording
    duration: PT1M20S
    duration ms: 80833
    explicit: false
    by artist: João do Piseiro
    in album: Nova Geração
      type: MusicAlbum
      date published: 2022-10-26
    genre: forró
    genre: piseiro
    isrc code: QZEQU2246717
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T16:57:04+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe073039edddfb226b426bf76434b3e5dde72038ef9cc89a836cb789bd1a7d815
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958601
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958601
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZEQU2246717
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T19:27:02Z
    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 0xe073039edddfb226b426bf76434b3e5dde72038ef9cc89a836cb789bd1a7d815. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QZEQU2246717.
      date published: 2026-07-18T19:27:02Z
    audio: Tive um Sonho
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 89.997
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.819
      additional property: Energy
        type: PropertyValue
        value: 0.742
      additional property: Speechiness
        type: PropertyValue
        value: 0.085
      additional property: Acousticness
        type: PropertyValue
        value: 0.376
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.215
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.922
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.809
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Nova Geração
  type: MusicAlbum
  date published: 2022-10-26
album: Vaquejada Começou
  type: MusicAlbum
  date published: 2023-01-13
album: Vaquejada Começou
  type: MusicAlbum
  date published: 2023-01-13
album: Nova Geração 2.0
  type: MusicAlbum
  date published: 2023-06-23
album: Nova Geração 2.0
  type: MusicAlbum
  date published: 2023-06-23
album: Ao Vivo!
  type: MusicAlbum
  date published: 2023-11-08