Catherine van Doesburg
type: MusicGroup
genre: french pop
popularity: 5
followers: 105
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3eaad945d8138008e63c6260ae78262ad102fd9c0a87553a82c7133c0a53a00f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954516
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954516
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a193890f-2da5-4843-bae4-eda8604127e0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a193890f-2da5-4843-bae4-eda8604127e0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a193890f-2da5-4843-bae4-eda8604127e0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T07:04:44Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3eaad945d8138008e63c6260ae78262ad102fd9c0a87553a82c7133c0a53a00f","name":"Catherine van Doesburg","registered_at":"2026-06-20T05:40:33Z","symbol":"NIM1529351","token_address":"0x6ee8a49ea1c2e7ad310c1faf0cdec7803f9f083e","type":"artist","uuid":"a193890f-2da5-4843-bae4-eda8604127e0"}
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 0x3eaad945d8138008e63c6260ae78262ad102fd9c0a87553a82c7133c0a53a00f. Chain 2 (Bitcoin): anchored in block 954516 (2026-06-20T07:04:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a193890f-2da5-4843-bae4-eda8604127e0.json and https://artists.proofprofile.net/proofs/artist/a193890f-2da5-4843-bae4-eda8604127e0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T07:04:44Z
  text: {"copyright_id":"0x3eaad945d8138008e63c6260ae78262ad102fd9c0a87553a82c7133c0a53a00f","name":"Catherine van Doesburg","registered_at":"2026-06-20T05:40:33Z","symbol":"NIM1529351","token_address":"0x6ee8a49ea1c2e7ad310c1faf0cdec7803f9f083e","type":"artist","uuid":"a193890f-2da5-4843-bae4-eda8604127e0"}
album: What Was the Deal
  type: MusicAlbum
  date published: 2020-05-31
album: Pretty
  type: MusicAlbum
  date published: 2021-03-12
album: Gemini
  type: MusicAlbum
  date published: 2021-05-07
album: Mon <3
  type: MusicAlbum
  date published: 2023-09-01
album: Placebo
  type: MusicAlbum
  date published: 2024-08-23
album: Coeur à coeur
  type: MusicAlbum
  date published: 2024-09-27
  track: Alinéa
    type: MusicRecording
    duration: PT2M51S
    duration ms: 171373
    explicit: false
    by artist: Catherine van Doesburg
    in album: Coeur à coeur
      type: MusicAlbum
      date published: 2024-09-27
    genre: french pop
    isrc code: CBB2N2404002
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T03:24:54+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x32240f26ff5c788d86a0cfe84310e9eba8b2c56f5744878ff4f1841a47c133bc
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958234
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958234
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CBB2N2404002
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T03:46:09Z
    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 0x32240f26ff5c788d86a0cfe84310e9eba8b2c56f5744878ff4f1841a47c133bc. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/CBB2N2404002.
      date published: 2026-07-16T03:46:09Z
    audio: Alinéa
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 113.97
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.711
      additional property: Energy
        type: PropertyValue
        value: 0.476
      additional property: Speechiness
        type: PropertyValue
        value: 0.028
      additional property: Acousticness
        type: PropertyValue
        value: 0.192
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.115
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.742
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.976
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Alinéa (Version acoustique)
  type: MusicAlbum
  date published: 2024-11-22
album: À prendre ou à laisser
  type: MusicAlbum
  date published: 2025-05-02
  track: À prendre ou à laisser
    type: MusicRecording
    duration: PT2M39S
    duration ms: 159602
    explicit: false
    by artist: Catherine van Doesburg
    in album: À prendre ou à laisser
      type: MusicAlbum
      date published: 2025-05-02
    genre: french pop
    isrc code: CAB2N2502001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-02T21:52:42+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf71eaf51df3f9e07f8787898e008b4579f85db69d3b3eb70bc05c47435786db0
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956422
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956422
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAB2N2502001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T01:01:38Z
    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 0xf71eaf51df3f9e07f8787898e008b4579f85db69d3b3eb70bc05c47435786db0. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/CAB2N2502001.
      date published: 2026-07-03T01:01:38Z
    audio: À prendre ou à laisser
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 121.923
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Butterflies
album: Let's Dance

Danceability
type: PropertyValue
value: 0.646

Energy
type: PropertyValue
value: 0.686

Speechiness
type: PropertyValue
value: 0.046

Acousticness
type: PropertyValue
value: 0.441

Instrumentalness
type: PropertyValue
value: 0.003

Liveness
type: PropertyValue
value: 0.101

Valence (Positivity)
type: PropertyValue
value: 0.606

Loudness (dB)
type: PropertyValue
value: -7.856

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Minor

Butterflies
type: MusicAlbum
date published: 2025-08-22

Let's Dance
type: MusicAlbum
date published: 2025-10-24