DJ LER9 DA ZL
type: MusicGroup
popularity: 4
followers: 2
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2021cba95b16c3f6431c62addaee7ccf6763306bada32f8b822d92d85e4d2dd8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/af3d0c2a-bfc7-4eab-9b13-404e12f646fc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/af3d0c2a-bfc7-4eab-9b13-404e12f646fc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/af3d0c2a-bfc7-4eab-9b13-404e12f646fc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2021cba95b16c3f6431c62addaee7ccf6763306bada32f8b822d92d85e4d2dd8","name":"DJ LER9 DA ZL","registered_at":"2026-06-20T11:31:26Z","symbol":"NIM1601662","token_address":"0x1e58624f202f23e5374d3ef87dd6d5f85a408510","type":"artist","uuid":"af3d0c2a-bfc7-4eab-9b13-404e12f646fc"}
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 0x2021cba95b16c3f6431c62addaee7ccf6763306bada32f8b822d92d85e4d2dd8. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/af3d0c2a-bfc7-4eab-9b13-404e12f646fc.json and https://artists.proofprofile.net/proofs/artist/af3d0c2a-bfc7-4eab-9b13-404e12f646fc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x2021cba95b16c3f6431c62addaee7ccf6763306bada32f8b822d92d85e4d2dd8","name":"DJ LER9 DA ZL","registered_at":"2026-06-20T11:31:26Z","symbol":"NIM1601662","token_address":"0x1e58624f202f23e5374d3ef87dd6d5f85a408510","type":"artist","uuid":"af3d0c2a-bfc7-4eab-9b13-404e12f646fc"}
album: Protocollo Antropologico
  type: MusicAlbum
  date published: 2025-09-19
  track: Protocollo Antropologico - Super Slowed
    type: MusicRecording
    duration: PT2M58S
    duration ms: 178050
    explicit: false
    by artist: DJ LER9 DA ZL
    in album: Protocollo Antropologico
      type: MusicAlbum
      date published: 2025-09-19
    isrc code: DGA052542098
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T09:59:31+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x38d10cb8028c9a14279b8f6c6af69eabe38a2705f549925071c114b286118646
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958863
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958863
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA052542098
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T10:27:46Z
    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 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 0x38d10cb8028c9a14279b8f6c6af69eabe38a2705f549925071c114b286118646. Chain 2 (Bitcoin): anchored in block 958863 (2026-07-20T10:27:46Z), 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/DGA052542098.
      date published: 2026-07-20T10:27:46Z
    audio: Protocollo Antropologico - Super Slowed
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 99.506
      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: 0.691
      additional property: Energy
        type: PropertyValue
        value: 0.808
      additional property: Speechiness
        type: PropertyValue
        value: 0.039
      additional property: Acousticness
        type: PropertyValue
        value: 0.485
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.003
      additional property: Liveness
        type: PropertyValue
        value: 0.301
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.737
      additional property: Loudness (dB)
        type: PropertyValue
        value: -1.483
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Montagem Provantus in the Wind
  type: MusicAlbum
  date published: 2025-11-16
album: POZZITIFUNK 3
  type: MusicAlbum
  date published: 2025-11-17