Kees Van Kooten
type: MusicGroup
genre: nederpop
description: Cornelis Reinier "Kees" van Kooten (; born 10 August 1941) is a Dutch comedian, television actor, and writer. He formed the duo Van Kooten & De Bie with Wim de Bie from 1972 to 1998. Biography Cornel
popularity: 22
followers: 2013
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x84d92876e8d803bf15704b93152d442858d900d06fb144e51f17550eb9b07faf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7728b579-ca99-461d-a292-32773b61a0cc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7728b579-ca99-461d-a292-32773b61a0cc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7728b579-ca99-461d-a292-32773b61a0cc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x84d92876e8d803bf15704b93152d442858d900d06fb144e51f17550eb9b07faf","name":"Kees Van Kooten","registered_at":"2026-06-12T01:16:39Z","symbol":"NIM0153976","token_address":"0x583aa659c05a3cb0520feb0f4be580b0ead9fa06","type":"artist","uuid":"7728b579-ca99-461d-a292-32773b61a0cc"}
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 0x84d92876e8d803bf15704b93152d442858d900d06fb144e51f17550eb9b07faf. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7728b579-ca99-461d-a292-32773b61a0cc.json and https://artists.proofprofile.net/proofs/artist/7728b579-ca99-461d-a292-32773b61a0cc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x84d92876e8d803bf15704b93152d442858d900d06fb144e51f17550eb9b07faf","name":"Kees Van Kooten","registered_at":"2026-06-12T01:16:39Z","symbol":"NIM0153976","token_address":"0x583aa659c05a3cb0520feb0f4be580b0ead9fa06","type":"artist","uuid":"7728b579-ca99-461d-a292-32773b61a0cc"}
album: De Wereld Van De Klisjeemannetjes
  type: MusicAlbum
  date published: 1968-01-01
album: De Eerste Langspeelplaat Van Het Simplisties Verbond
  type: MusicAlbum
  date published: 1975-01-01
album: De Tweede Langspeelplaat Van Het Simplisties Verbond
  type: MusicAlbum
  date published: 1976-01-01
album: Hengstenbal (De Derde Langspeelplaat Van Het Simplisties Verbond)
  type: MusicAlbum
  date published: 1977-01-01
  track: Ome Gijs
    type: MusicRecording
    duration: PT2M37S
    duration ms: 157800
    explicit: false
    by artist: Kees Van Kooten
    in album: Hengstenbal (De Derde Langspeelplaat Van Het Simplisties Verbond)
      type: MusicAlbum
      date published: 1977-01-01
    genre: nederpop
    isrc code: NLUM70500415
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T03:19:08+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3204dc9a6e4aed4b41903819bd873583eaf19fb5e496a16217085bad6afbb65e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958650
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958650
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLUM70500415
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T03:36:41Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3204dc9a6e4aed4b41903819bd873583eaf19fb5e496a16217085bad6afbb65e. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/NLUM70500415.
      date published: 2026-07-19T03:36:41Z
    audio: Ome Gijs
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.656
      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: 0.477
      additional property: Energy
        type: PropertyValue
        value: 0.306
      additional property: Speechiness
        type: PropertyValue
        value: 0.033
      additional property: Acousticness
        type: PropertyValue
        value: 0.719
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.339
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.523
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.43
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Op Hun Pik Getrapt (De Vierde Langspeelplaat Van Het Simplisties Verbond)
  type: MusicAlbum
  date published: 1980-01-01
  track: Bie's / Voor Haar
    type: MusicRecording
    duration: PT1M58S
    duration ms: 118933
    explicit: false
    by artist: Kees Van Kooten
    in album: Op Hun Pik Getrapt (De Vierde Langspeelplaat Van Het Simplisties Verbond)
      type: MusicAlbum
      date published: 1980-01-01
    genre: nederpop
    isrc code: NLUM70500427
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T13:19:54+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3060b6f15811c32d3b80e676ddf8c53727cfaee37e128ddaa621d05d23516c83
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958300
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958300
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLUM70500427
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T16:14:30Z
    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 0x3060b6f15811c32d3b80e676ddf8c53727cfaee37e128ddaa621d05d23516c83. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/NLUM70500427.
      date published: 2026-07-16T16:14:30Z
    audio: Bie's / Voor Haar
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 138.325
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.635
      additional property: Energy
        type: PropertyValue
        value: 0.139
      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
  track: De Tegenpartij / Het Lijflied Van Alle Vrije Jongens
album: Gouden Doden
album: Mooie Meneren (De Vijfde Langspeelplaat Van Het Simplisties Verbond)
album: Draaikonten (De Zesde Langspeelplaat Van Het Simplisties Verbond)
album: Van Kooten & De Bie Willen Niet Dood - 13 Scènes Uit Het Volle Leven
album: Het Lachste Van Van Kooten En De Bie
album: Het schaampaard (Onverkort)

Speechiness
type: PropertyValue
value: 0.105

Acousticness
type: PropertyValue
value: 0.983

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.179

Valence (Positivity)
type: PropertyValue
value: 0.386

Loudness (dB)
type: PropertyValue
value: -11.942

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

De Tegenpartij / Het Lijflied Van Alle Vrije Jongens
type: MusicRecording
duration: PT2M54S
duration ms: 174933
explicit: false
by artist: Kees Van Kooten
in album: Op Hun Pik Getrapt (De Vierde Langspeelplaat Van Het Simplisties Verbond)
  type: MusicAlbum
  date published: 1980-01-01
genre: nederpop
isrc code: NLUM70500431
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-14T19:52:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1de27b8c735bc176dcf91715459a68d336b7ba6ad3d61f9665c80a8c593c4c35
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958058
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958058
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLUM70500431
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-14T20:20:34Z
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 0x1de27b8c735bc176dcf91715459a68d336b7ba6ad3d61f9665c80a8c593c4c35. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/NLUM70500431.
  date published: 2026-07-14T20:20:34Z
audio: De Tegenpartij / Het Lijflied Van Alle Vrije Jongens
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.543
  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: 0.594
  additional property: Energy
    type: PropertyValue
    value: 0.907
  additional property: Speechiness
    type: PropertyValue
    value: 0.145
  additional property: Acousticness
    type: PropertyValue
    value: 0.52
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.458
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.59
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.366
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Gouden Doden
type: MusicAlbum
date published: 1981-01-01

Mooie Meneren (De Vijfde Langspeelplaat Van Het Simplisties Verbond)
type: MusicAlbum
date published: 1982-01-01
track: Het Wijnjaar Nul
  type: MusicRecording
  duration: PT2M32S
  duration ms: 152506
  explicit: false
  by artist: Kees Van Kooten
  in album: Mooie Meneren (De Vijfde Langspeelplaat Van Het Simplisties Verbond)
    type: MusicAlbum
    date published: 1982-01-01
  genre: nederpop
  isrc code: NLA300400269
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T04:38:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7618d8e3163acc056610691da6f4a1e65766ea3037325be19b806ff6beb3664c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958666
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958666
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA300400269
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T05:00:30Z
  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 0x7618d8e3163acc056610691da6f4a1e65766ea3037325be19b806ff6beb3664c. Chain 2 (Bitcoin): anchored in block 958666 (2026-07-19T05:00:30Z), 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/NLA300400269.
    date published: 2026-07-19T05:00:30Z
  audio: Het Wijnjaar Nul
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 124.282
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.553
    additional property: Energy
      type: PropertyValue
      value: 0.532
    additional property: Speechiness
      type: PropertyValue
      value: 0.048
    additional property: Acousticness
      type: PropertyValue
      value: 0.614
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.691
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.643
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.122
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Zwolle Zonder Dollen
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196000
  explicit: false
  by artist: Kees Van Kooten
  in album: Mooie Meneren (De Vijfde Langspeelplaat Van Het Simplisties Verbond)
    type: MusicAlbum
    date published: 1982-01-01
  genre: nederpop
  isrc code: NLA300400273
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T02:26:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd712539da970be398a48d59f826400da87dece81474c5651aa505456d8dea110
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA300400273
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  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 0xd712539da970be398a48d59f826400da87dece81474c5651aa505456d8dea110. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/NLA300400273.
    date published: 2026-07-04T10:04:33Z
  audio: Zwolle Zonder Dollen
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 119.412
    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: 0.757
    additional property: Energy
      type: PropertyValue
      value: 0.669
    additional property: Speechiness
      type: PropertyValue
      value: 0.051
    additional property: Acousticness
      type: PropertyValue
      value: 0.692
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.327
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.854
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.407
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Draaikonten (De Zesde Langspeelplaat Van Het Simplisties Verbond)
type: MusicAlbum
date published: 1984-01-01
track: Onze God Is De Beste
  type: MusicRecording
  duration: PT1M55S
  duration ms: 115893
  explicit: false
  by artist: Kees Van Kooten
  in album: Draaikonten (De Zesde Langspeelplaat Van Het Simplisties Verbond)
    type: MusicAlbum
    date published: 1984-01-01
  genre: nederpop
  isrc code: NLA300400283
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T19:38:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x73ea78703b431a33b7072a1cc1594478bb45407abdcbca280f8de24c381439d3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956728
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956728
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA300400283
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:43:49Z
  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
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    date published: 2026-07-05T12:31:54Z
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track: Ballen In Me Buik
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OpenTimestamps Proof of Existence
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date published: 2026-07-13T19:36:39Z

Ballen In Me Buik
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Van Kooten & De Bie Willen Niet Dood - 13 Scènes Uit Het Volle Leven
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    date published: 2026-07-06T01:25:57Z
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Het Lachste Van Van Kooten En De Bie
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date published: 1988-01-01

Het schaampaard (Onverkort)
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date published: 2017-04-14