Flex Z
type: MusicGroup
popularity: 10
followers: 7596
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x34ccdc1af23e0f7c7cda34836e030663bd105690fadc930edbbe81ce192bf5f9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954728
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/faeadde6-45f8-43b3-952c-863b933e0281.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/faeadde6-45f8-43b3-952c-863b933e0281.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/faeadde6-45f8-43b3-952c-863b933e0281
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T18:08:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x34ccdc1af23e0f7c7cda34836e030663bd105690fadc930edbbe81ce192bf5f9","name":"Flex Z","registered_at":"2026-06-21T17:05:00Z","symbol":"NIM1981169","token_address":"0x6213a8c9d6a6f716acd8427b5c109a45aa1fec80","type":"artist","uuid":"faeadde6-45f8-43b3-952c-863b933e0281"}
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 0x34ccdc1af23e0f7c7cda34836e030663bd105690fadc930edbbe81ce192bf5f9. Chain 2 (Bitcoin): anchored in block 954728 (2026-06-21T18:08:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/faeadde6-45f8-43b3-952c-863b933e0281.json and https://artists.proofprofile.net/proofs/artist/faeadde6-45f8-43b3-952c-863b933e0281.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T18:08:38Z
  text: {"copyright_id":"0x34ccdc1af23e0f7c7cda34836e030663bd105690fadc930edbbe81ce192bf5f9","name":"Flex Z","registered_at":"2026-06-21T17:05:00Z","symbol":"NIM1981169","token_address":"0x6213a8c9d6a6f716acd8427b5c109a45aa1fec80","type":"artist","uuid":"faeadde6-45f8-43b3-952c-863b933e0281"}
album: Starboy
  type: MusicAlbum
  date published: 2020-02-06
  track: Starboy
    type: MusicRecording
    duration: PT2M57S
    duration ms: 177235
    explicit: true
    by artist: Flex Z
    in album: Starboy
      type: MusicAlbum
      date published: 2020-02-06
    isrc code: QZFZ22027711
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T05:37:17+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xdab5ef108d6076fa2b41825f3eac8a8a06b9eabcae1fdb9d5241f7c0d8778132
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958977
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958977
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ22027711
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T08:38:45Z
    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 0xdab5ef108d6076fa2b41825f3eac8a8a06b9eabcae1fdb9d5241f7c0d8778132. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T08:38:45Z), 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/QZFZ22027711.
      date published: 2026-07-21T08:38:45Z
    audio: Starboy
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 80.005
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.566
      additional property: Energy
        type: PropertyValue
        value: 0.546
      additional property: Speechiness
        type: PropertyValue
        value: 0.071
      additional property: Acousticness
        type: PropertyValue
        value: 0.59
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.171
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.119
      additional property: Loudness (dB)
        type: PropertyValue
        value: -12.516
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Freestyle
  type: MusicAlbum
  date published: 2020-02-10
album: Rockstar
  type: MusicAlbum
  date published: 2020-08-29