Henning Joubert
type: MusicGroup
popularity: 4
followers: 465
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6e6747f90369790b5c7a65291aaeaabda806f45c056445ad4d4dff265dd1e94a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953955
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953955
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/267ecc68-560b-4019-b51d-8d9db0bcdf3a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/267ecc68-560b-4019-b51d-8d9db0bcdf3a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/267ecc68-560b-4019-b51d-8d9db0bcdf3a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T14:29:53Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6e6747f90369790b5c7a65291aaeaabda806f45c056445ad4d4dff265dd1e94a","name":"Henning Joubert","registered_at":"2026-06-16T02:55:19Z","symbol":"NIM0915245","token_address":"0x6dc098ec25dea67a1fab62428d0756db69c29783","type":"artist","uuid":"267ecc68-560b-4019-b51d-8d9db0bcdf3a"}
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 0x6e6747f90369790b5c7a65291aaeaabda806f45c056445ad4d4dff265dd1e94a. Chain 2 (Bitcoin): anchored in block 953955 (2026-06-16T14:29:53Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/267ecc68-560b-4019-b51d-8d9db0bcdf3a.json and https://artists.proofprofile.net/proofs/artist/267ecc68-560b-4019-b51d-8d9db0bcdf3a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T14:29:53Z
  text: {"copyright_id":"0x6e6747f90369790b5c7a65291aaeaabda806f45c056445ad4d4dff265dd1e94a","name":"Henning Joubert","registered_at":"2026-06-16T02:55:19Z","symbol":"NIM0915245","token_address":"0x6dc098ec25dea67a1fab62428d0756db69c29783","type":"artist","uuid":"267ecc68-560b-4019-b51d-8d9db0bcdf3a"}
album: Spookfontein
  type: MusicAlbum
  date published: 2018-11-19
album: Vuur Aansteek Boeremusiek
  type: MusicAlbum
  date published: 2019-12-20
album: Namib Nagte
  type: MusicAlbum
  date published: 2020-04-24
album: Bobbejaan Inni Brauhaus
  type: MusicAlbum
  date published: 2022-05-13
album: Hentiesbaai
  type: MusicAlbum
  date published: 2022-09-09
  track: Hentiesbaai
    type: MusicRecording
    duration: PT3M51S
    duration ms: 231607
    explicit: false
    by artist: Henning Joubert
    in album: Hentiesbaai
      type: MusicAlbum
      date published: 2022-09-09
    isrc code: ZAQR42204620
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T20:31:04+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xda89b09de946c7fe2dd3765d360b3a10a34dd97fb8c9c0847a35d5b43fbb9b60
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958607
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958607
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ZAQR42204620
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T21:01:11Z
    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 0xda89b09de946c7fe2dd3765d360b3a10a34dd97fb8c9c0847a35d5b43fbb9b60. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/ZAQR42204620.
      date published: 2026-07-18T21:01:11Z
    audio: Hentiesbaai
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 167.968
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.596
      additional property: Energy
        type: PropertyValue
        value: 0.847
      additional property: Speechiness
        type: PropertyValue
        value: 0.063
      additional property: Acousticness
        type: PropertyValue
        value: 0.156
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.258
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.9
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.581
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major