Marcos e Matheus Os Irmãos Ciganos
type: MusicGroup
genre: forró
popularity: 6
followers: 1401
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/511aa1a5-ff7a-409a-90ff-ffebd7c4c055
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
  type: PropertyValue
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6606598631ba9f14cd6fdda87916c86481463f03b3ac0ad323317d965ed40a31. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/511aa1a5-ff7a-409a-90ff-ffebd7c4c055.json and https://artists.proofprofile.net/proofs/artist/511aa1a5-ff7a-409a-90ff-ffebd7c4c055.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x6606598631ba9f14cd6fdda87916c86481463f03b3ac0ad323317d965ed40a31","name":"Marcos e Matheus Os Irmãos Ciganos","registered_at":"2026-06-16T17:45:56Z","symbol":"NIM1127815","token_address":"0x8218bc89f46a93f29ead26aa960bf5930e65ac1f","type":"artist","uuid":"511aa1a5-ff7a-409a-90ff-ffebd7c4c055"}
album: O Nosso Amor Acabou
  type: MusicAlbum
  date published: 2009-05-13
album: A Saudade Dói
  type: MusicAlbum
  date published: 2021-10-06
album: Faz o Pix
  type: MusicAlbum
  date published: 2024-03-15
  track: Faz o Pix
    type: MusicRecording
    duration: PT2M43S
    duration ms: 163135
    explicit: false
    by artist: Marcos e Matheus Os Irmãos Ciganos
    in album: Faz o Pix
      type: MusicAlbum
      date published: 2024-03-15
    genre: forró
    isrc code: BCDEP2400006
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
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    additional property: CopyrightRegisteredAt
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958783
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BCDEP2400006
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T00:01:12Z
    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 0x5c27e7e98e55ef998ee0c183ccfabd2097c0bbf2aa0ced7ba18e3cbf13f603fe. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-20T00:01:12Z), 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/BCDEP2400006.
      date published: 2026-07-20T00:01:12Z
    audio: Faz o Pix
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 95.983
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.777
      additional property: Energy
        type: PropertyValue
        value: 0.645
      additional property: Speechiness
        type: PropertyValue
        value: 0.046
      additional property: Acousticness
        type: PropertyValue
        value: 0.324
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.232
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.872
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.455
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: O Nosso Amor Acabou
  type: MusicAlbum
  date published: 2024-05-07
album: Chorei no Facebook
  type: MusicAlbum
  date published: 2024-05-08