DJ Frajola
type: MusicGroup
popularity: 7
followers: 226
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe1547cfca81c37f667b6410de61d801258022778f21a8dcd8b896cf0f2405daf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954035
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954035
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3b9b5f81-167e-4c06-969f-948c18f8b032.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3b9b5f81-167e-4c06-969f-948c18f8b032.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3b9b5f81-167e-4c06-969f-948c18f8b032
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T02:39:28Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe1547cfca81c37f667b6410de61d801258022778f21a8dcd8b896cf0f2405daf","name":"DJ Frajola","registered_at":"2026-06-16T10:22:37Z","symbol":"NIM1022057","token_address":"0xbb481a1c99192a31cf69f0c00e577f2687103a22","type":"artist","uuid":"3b9b5f81-167e-4c06-969f-948c18f8b032"}
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 0xe1547cfca81c37f667b6410de61d801258022778f21a8dcd8b896cf0f2405daf. Chain 2 (Bitcoin): anchored in block 954035 (2026-06-17T02:39:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3b9b5f81-167e-4c06-969f-948c18f8b032.json and https://artists.proofprofile.net/proofs/artist/3b9b5f81-167e-4c06-969f-948c18f8b032.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T02:39:28Z
  text: {"copyright_id":"0xe1547cfca81c37f667b6410de61d801258022778f21a8dcd8b896cf0f2405daf","name":"DJ Frajola","registered_at":"2026-06-16T10:22:37Z","symbol":"NIM1022057","token_address":"0xbb481a1c99192a31cf69f0c00e577f2687103a22","type":"artist","uuid":"3b9b5f81-167e-4c06-969f-948c18f8b032"}
album: Hoje vou Taca nas Piranha de Sao Paulo
  type: MusicAlbum
  date published: 2021-06-26
album: Hoje vou Taca nas Piranha de Sao Paulo
  type: MusicAlbum
  date published: 2021-06-26
  track: Hoje vou Taca nas Piranha de Sao Paulo
    type: MusicRecording
    duration: PT2M40S
    duration ms: 160615
    explicit: true
    by artist: DJ Frajola
    in album: Hoje vou Taca nas Piranha de Sao Paulo
      type: MusicAlbum
      date published: 2021-06-26
    isrc code: US3DF2177501
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
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    additional property: CopyrightChainExplorerURL
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956375
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3DF2177501
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T16:51:38Z
    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 0x9c872496742a1bb81a1c8a74d3a6b7ea5f00e3d02c3ca5f46dc7c271b3c088d2. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/US3DF2177501.
      date published: 2026-07-02T16:51:38Z
    audio: Hoje vou Taca nas Piranha de Sao Paulo
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 130.024
      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: 0.904
      additional property: Energy
        type: PropertyValue
        value: 0.552
      additional property: Speechiness
        type: PropertyValue
        value: 0.077
      additional property: Acousticness
        type: PropertyValue
        value: 0.382
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.673
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.903
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.96
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
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  type: MusicAlbum
  date published: 2021-07-01
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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