Dupla do Xoco
type: MusicGroup
genre: afro house
genre: kuduro
popularity: 2
followers: 54
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8475205d846c63c0dce374538cab094c9157ec9281112c29919063e23d09b5bf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954659
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954659
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dd5e280d-b336-4b63-ba49-ae3f2bf81f30.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dd5e280d-b336-4b63-ba49-ae3f2bf81f30.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dd5e280d-b336-4b63-ba49-ae3f2bf81f30
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T06:14:42Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8475205d846c63c0dce374538cab094c9157ec9281112c29919063e23d09b5bf","name":"Dupla do Xoco","registered_at":"2026-06-21T05:25:32Z","symbol":"NIM1832859","token_address":"0x0397944c0a26082968bd0c216604708bc27e5e83","type":"artist","uuid":"dd5e280d-b336-4b63-ba49-ae3f2bf81f30"}
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 0x8475205d846c63c0dce374538cab094c9157ec9281112c29919063e23d09b5bf. Chain 2 (Bitcoin): anchored in block 954659 (2026-06-21T06:14:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dd5e280d-b336-4b63-ba49-ae3f2bf81f30.json and https://artists.proofprofile.net/proofs/artist/dd5e280d-b336-4b63-ba49-ae3f2bf81f30.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T06:14:42Z
  text: {"copyright_id":"0x8475205d846c63c0dce374538cab094c9157ec9281112c29919063e23d09b5bf","name":"Dupla do Xoco","registered_at":"2026-06-21T05:25:32Z","symbol":"NIM1832859","token_address":"0x0397944c0a26082968bd0c216604708bc27e5e83","type":"artist","uuid":"dd5e280d-b336-4b63-ba49-ae3f2bf81f30"}
album: Cada um com stalo dele
  type: MusicAlbum
  date published: 2024-08-11
album: Xe De Mel
  type: MusicAlbum
  date published: 2024-09-30
  track: Xe De Mel
    type: MusicRecording
    duration: PT2M28S
    duration ms: 148023
    explicit: false
    by artist: Dupla do Xoco
    in album: Xe De Mel
      type: MusicAlbum
      date published: 2024-09-30
    genre: afro house
    genre: kuduro
    isrc code: ESA012447563
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T15:23:46+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8599afef733f6dc4e37dc16f93c444560a5175b5491400194f4c342ab2d50e4a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956826
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956826
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA012447563
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T19:27:56Z
    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 0x8599afef733f6dc4e37dc16f93c444560a5175b5491400194f4c342ab2d50e4a. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/ESA012447563.
      date published: 2026-07-05T19:27:56Z
    audio: Xe De Mel
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 140.125
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.849
      additional property: Energy
        type: PropertyValue
        value: 0.732
      additional property: Speechiness
        type: PropertyValue
        value: 0.367
      additional property: Acousticness
        type: PropertyValue
        value: 0.034
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.139
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.717
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.262
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Xoco da Rury
  type: MusicAlbum
  date published: 2025-10-01