Maurits Fondse
type: MusicGroup
genre: nederpop
popularity: 12
followers: 241
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x343bc1e5101d885127e1a22fb4f4a245c5e3b5d66438e3b36935a14bf8b72b6d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953592
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953592
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/071ebb34-8585-43ca-973b-645b3954f03f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/071ebb34-8585-43ca-973b-645b3954f03f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/071ebb34-8585-43ca-973b-645b3954f03f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T05:36:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x343bc1e5101d885127e1a22fb4f4a245c5e3b5d66438e3b36935a14bf8b72b6d","name":"Maurits Fondse","registered_at":"2026-06-14T05:12:14Z","symbol":"NIM0349005","token_address":"0xd64af14592ef0ccefcdea255ad2c18a7f78edf41","type":"artist","uuid":"071ebb34-8585-43ca-973b-645b3954f03f"}
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 0x343bc1e5101d885127e1a22fb4f4a245c5e3b5d66438e3b36935a14bf8b72b6d. Chain 2 (Bitcoin): anchored in block 953592 (2026-06-14T05:36:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/071ebb34-8585-43ca-973b-645b3954f03f.json and https://artists.proofprofile.net/proofs/artist/071ebb34-8585-43ca-973b-645b3954f03f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T05:36:59Z
  text: {"copyright_id":"0x343bc1e5101d885127e1a22fb4f4a245c5e3b5d66438e3b36935a14bf8b72b6d","name":"Maurits Fondse","registered_at":"2026-06-14T05:12:14Z","symbol":"NIM0349005","token_address":"0xd64af14592ef0ccefcdea255ad2c18a7f78edf41","type":"artist","uuid":"071ebb34-8585-43ca-973b-645b3954f03f"}
album: Identity
  type: MusicAlbum
  date published: 2012-12-30
album: Guide Me
  type: MusicAlbum
  date published: 2017-11-30
album: Don't Marry a Musician
  type: MusicAlbum
  date published: 2018-01-01
album: Zolang Het Vuur Blijft Branden
  type: MusicAlbum
  date published: 2019-09-16
album: 2022 Het Jaar van de Liefde
  type: MusicAlbum
  date published: 2022-01-02
album: De Omweg
  type: MusicAlbum
  date published: 2022-06-17
  track: De Omweg
    type: MusicRecording
    duration: PT3M44S
    duration ms: 224000
    explicit: false
    by artist: Maurits Fondse
    in album: De Omweg
      type: MusicAlbum
      date published: 2022-06-17
    genre: nederpop
    isrc code: NLL6R2201571
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T14:53:15+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x83a0bd8f1386c6f9b1c986d5d9ebd3fa94fbfc1a672b65def7603e9e259b396c
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956725
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956725
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLL6R2201571
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:12:41Z
    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 0x83a0bd8f1386c6f9b1c986d5d9ebd3fa94fbfc1a672b65def7603e9e259b396c. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLL6R2201571.
      date published: 2026-07-05T01:12:41Z
    audio: De Omweg
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 159.848
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.593
      additional property: Energy
        type: PropertyValue
        value: 0.695
      additional property: Speechiness
        type: PropertyValue
        value: 0.047
      additional property: Acousticness
        type: PropertyValue
        value: 0.31
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.185
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.682
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.073
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Vrij Zicht
  type: MusicAlbum
  date published: 2024-06-01
album: De Man die Gelooft
  type: MusicAlbum
  date published: 2025-03-11