DJ L Mark
type: MusicGroup
popularity: 4
followers: 204
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x449724435457932211b48501d7894b677d42259c38c7d3a7e3349184df246c5f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4f8de20d-ce56-4468-830f-873013d60ee4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4f8de20d-ce56-4468-830f-873013d60ee4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4f8de20d-ce56-4468-830f-873013d60ee4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x449724435457932211b48501d7894b677d42259c38c7d3a7e3349184df246c5f","name":"DJ L Mark","registered_at":"2026-06-16T17:17:05Z","symbol":"NIM1120929","token_address":"0xeb8569403d57edd904ecb3940831bc97a57312bd","type":"artist","uuid":"4f8de20d-ce56-4468-830f-873013d60ee4"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x449724435457932211b48501d7894b677d42259c38c7d3a7e3349184df246c5f. 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/4f8de20d-ce56-4468-830f-873013d60ee4.json and https://artists.proofprofile.net/proofs/artist/4f8de20d-ce56-4468-830f-873013d60ee4.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x449724435457932211b48501d7894b677d42259c38c7d3a7e3349184df246c5f","name":"DJ L Mark","registered_at":"2026-06-16T17:17:05Z","symbol":"NIM1120929","token_address":"0xeb8569403d57edd904ecb3940831bc97a57312bd","type":"artist","uuid":"4f8de20d-ce56-4468-830f-873013d60ee4"}
album: Barras e Notas
  type: MusicAlbum
  date published: 2024-03-29
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2024-10-22
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  type: MusicAlbum
  date published: 2024-10-30
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2025-01-16
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2025-03-03
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  type: MusicAlbum
  date published: 2025-03-05
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  type: MusicAlbum
  date published: 2025-04-13
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  type: MusicAlbum
  date published: 2025-04-25
album: BALINHA
  type: MusicAlbum
  date published: 2025-08-08
album: ELE QUE É MALVADÃO
  type: MusicAlbum
  date published: 2025-09-10
track: No Escurinho
  type: MusicRecording
  duration: PT3M17S
  duration ms: 197019
  explicit: false
  by artist: MC Shat
  by artist: DJ L Mark
  by artist: Dj Agnes
  in album: No Escurinho
    type: MusicAlbum
    date published: 2024-11-22
  genre: funk-de-bh
  isrc code: QZW9L2441585
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T18:19:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa123ad7fd5ef87067ea401479bcf9751e006c36c1266f7ba0b543748583861ca
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9L2441585
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa123ad7fd5ef87067ea401479bcf9751e006c36c1266f7ba0b543748583861ca. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9L2441585 — a six-check JSON result.
    date published: 2026-07-08T03:22:41Z
  audio: No Escurinho
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 106.528
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 6
    additional property: Danceability
      type: PropertyValue
      value: 0.543
    additional property: Energy
      type: PropertyValue
      value: 0.595
    additional property: Speechiness
      type: PropertyValue
      value: 0.077
    additional property: Acousticness
      type: PropertyValue
      value: 0.05
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.216
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.449
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.607
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major