Zezinho Barros
type: MusicGroup
genre: brega
genre: forró
genre: seresta
popularity: 7
followers: 2788
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x647b9f3fc5705fa6d14c1a5a69fbc38e4b04f87f3f00d8d7cd3f663220a89d86
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953915
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953915
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1a52ac3e-30e2-4bd9-a1fa-06a2774d3c95.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1a52ac3e-30e2-4bd9-a1fa-06a2774d3c95.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1a52ac3e-30e2-4bd9-a1fa-06a2774d3c95
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T08:36:32Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x647b9f3fc5705fa6d14c1a5a69fbc38e4b04f87f3f00d8d7cd3f663220a89d86","name":"Zezinho Barros","registered_at":"2026-06-15T22:44:42Z","symbol":"NIM0855378","token_address":"0xa35bcb7627028fafa8b384150f39d634ef86f339","type":"artist","uuid":"1a52ac3e-30e2-4bd9-a1fa-06a2774d3c95"}
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 0x647b9f3fc5705fa6d14c1a5a69fbc38e4b04f87f3f00d8d7cd3f663220a89d86. Chain 2 (Bitcoin): anchored in block 953915 (2026-06-16T08:36:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1a52ac3e-30e2-4bd9-a1fa-06a2774d3c95.json and https://artists.proofprofile.net/proofs/artist/1a52ac3e-30e2-4bd9-a1fa-06a2774d3c95.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T08:36:32Z
  text: {"copyright_id":"0x647b9f3fc5705fa6d14c1a5a69fbc38e4b04f87f3f00d8d7cd3f663220a89d86","name":"Zezinho Barros","registered_at":"2026-06-15T22:44:42Z","symbol":"NIM0855378","token_address":"0xa35bcb7627028fafa8b384150f39d634ef86f339","type":"artist","uuid":"1a52ac3e-30e2-4bd9-a1fa-06a2774d3c95"}
album: Jogo da Vida, Vol. 18
  type: MusicAlbum
  date published: 2009-06-30
  track: Mulher Bandida
    type: MusicRecording
    duration: PT3M59S
    duration ms: 239200
    explicit: false
    by artist: Zezinho Barros
    in album: Jogo da Vida, Vol. 18
      type: MusicAlbum
      date published: 2009-06-30
    genre: brega
    genre: forró
    genre: seresta
    isrc code: BRTGM0900065
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T08:30:50+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9def72a4a837b5ed1f05bd1344c6a294bf3b2ddb6d8d94ab9608bc2467475c99
    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/BRTGM0900065
    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 0x9def72a4a837b5ed1f05bd1344c6a294bf3b2ddb6d8d94ab9608bc2467475c99. 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/BRTGM0900065.
      date published: 2026-07-04T14:03:39Z
    audio: Mulher Bandida
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 140.022
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.853
      additional property: Energy
        type: PropertyValue
        value: 0.743
      additional property: Speechiness
        type: PropertyValue
        value: 0.033
      additional property: Acousticness
        type: PropertyValue
        value: 0.453
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.078
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.967
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.075
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Brasil 2010
  type: MusicAlbum
  date published: 2010-01-10