Zé Castro
type: MusicGroup
description: José Eduardo Rosa Vale de Castro (born 13 January 1983), commonly known as Zé Castro, is a Portuguese former professional footballer who played as a central defender. He started and finished his c
popularity: 2
followers: 56
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdc020b267c1b0d9e29e3432edeb322fe9a2f77b9131577f9384767c156fe81cc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8d977184-6ced-46a8-8d3e-fe22cbf0aadd.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8d977184-6ced-46a8-8d3e-fe22cbf0aadd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8d977184-6ced-46a8-8d3e-fe22cbf0aadd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdc020b267c1b0d9e29e3432edeb322fe9a2f77b9131577f9384767c156fe81cc","name":"Zé Castro","registered_at":"2026-06-17T15:05:23Z","symbol":"NIM1432946","token_address":"0x9da1e4d8a18a6f04273b5e8461e16aa14e8d1eea","type":"artist","uuid":"8d977184-6ced-46a8-8d3e-fe22cbf0aadd"}
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 0xdc020b267c1b0d9e29e3432edeb322fe9a2f77b9131577f9384767c156fe81cc. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8d977184-6ced-46a8-8d3e-fe22cbf0aadd.json and https://artists.proofprofile.net/proofs/artist/8d977184-6ced-46a8-8d3e-fe22cbf0aadd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0xdc020b267c1b0d9e29e3432edeb322fe9a2f77b9131577f9384767c156fe81cc","name":"Zé Castro","registered_at":"2026-06-17T15:05:23Z","symbol":"NIM1432946","token_address":"0x9da1e4d8a18a6f04273b5e8461e16aa14e8d1eea","type":"artist","uuid":"8d977184-6ced-46a8-8d3e-fe22cbf0aadd"}
album: Ele Vai Agir
  type: MusicAlbum
  date published: 2025-02-28
  track: Ele Vai Agir
    type: MusicRecording
    duration: PT3M55S
    duration ms: 235393
    explicit: false
    by artist: Zé Castro
    in album: Ele Vai Agir
      type: MusicAlbum
      date published: 2025-02-28
    isrc code: BCAC32500011
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
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    additional property: CopyrightChainExplorerURL
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    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956772
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BCAC32500011
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:01:46Z
    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 0x7a2ccacd1fe3beed00e0bf5c3f32372fa572627de782fff37196e833b122f60b. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/BCAC32500011.
      date published: 2026-07-05T10:01:46Z
    audio: Ele Vai Agir
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 140.147
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.539
      additional property: Energy
        type: PropertyValue
        value: 0.667
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.255
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.146
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.377
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.599
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Ele Vai Agir (Playback)
  type: MusicAlbum
  date published: 2025-03-13