Kempi
type: MusicGroup
popularity: 54
followers: 72198
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSProofURL
  type: PropertyValue
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additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/6f17dbb0-41ab-4e46-bc78-7d222059304a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6f17dbb0-41ab-4e46-bc78-7d222059304a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
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 → block must exist at that height 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 0x9936ff09ba921112361aea44bd730c8755adca5847ee6d80ab0a5eac92998c38. 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/6f17dbb0-41ab-4e46-bc78-7d222059304a.json and https://artists.proofprofile.net/proofs/artist/6f17dbb0-41ab-4e46-bc78-7d222059304a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: Huilend Op De Snelweg
  type: MusicAlbum
  date published: 2023-11-03
  track: Huilend Op De Snelweg
    type: MusicRecording
    duration: PT2M54S
    duration ms: 174000
    explicit: false
    by artist: Kempi
    by artist: Boef
    by artist: MB
    in album: Huilend Op De Snelweg
      type: MusicAlbum
      date published: 2023-11-03
    isrc code: QMFME2365158
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
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    additional property: CopyrightChainExplorerURL
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      type: PropertyValue
      value: https://blockstream.info/api/block/953515
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/0ppQv5zxTkZLXbBYXfHb93.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ppQv5zxTkZLXbBYXfHb93
    additional property: OTSTimestamp
      type: PropertyValue
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    additional property: OTSCanonicalRecord
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x5c331f569269c46edd79a913b179fe513abec2325bcd69661524b72c8b4076b5. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0ppQv5zxTkZLXbBYXfHb93.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ppQv5zxTkZLXbBYXfHb93.
      date published: 2026-06-13T12:53:06Z
      text: {"copyright_id":"0x5c331f569269c46edd79a913b179fe513abec2325bcd69661524b72c8b4076b5","isrc":"QMFME2365158","name":"Huilend Op De Snelweg","registered_at":"2026-06-07T18:07:00Z","spotify_id":"0ppQv5zxTkZLXbBYXfHb93","type":"track"}
album: Stout, Bad & Vies
  type: MusicAlbum
  date published: 2023-08-18
  track: Stout, Bad & Vies
    type: MusicRecording
    duration: PT2M25S
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    explicit: false
    by artist: Architrackz
    by artist: Kempi
    by artist: Kalibwoy
    by artist: Tribal Kush
    in album: Stout, Bad & Vies
      type: MusicAlbum
      date published: 2023-08-18
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    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
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      type: PropertyValue
      value: 2026-06-06T18:44:39+00:00
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    additional property: OTSRecordURL
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    additional property: OTSVerificationAPI
      type: PropertyValue
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    additional property: OTSTimestamp
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x107a0401c36264597f54c974fd16dc8c16b34f6e17a7287f0123271980242a57. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/15jJDcp0hJnpuYQz0eTf5l.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/15jJDcp0hJnpuYQz0eTf5l.
      date published: 2026-06-13T15:41:10Z
      text: {"copyright_id":"0x107a0401c36264597f54c974fd16dc8c16b34f6e17a7287f0123271980242a57","isrc":"NLY9D2300018","name":"Stout, Bad & Vies","registered_at":"2026-06-06T18:44:39Z","spotify_id":"15jJDcp0hJnpuYQz0eTf5l","type":"track"}
album: Naughty Doen
  type: MusicAlbum
  date published: 2022-11-25
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    by artist: Kalibwoy
    by artist: Drayson Gashi
    by artist: Lauwtje
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      type: MusicAlbum
      date published: 2022-11-25
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    additional property: OTSRecordURL
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
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    additional property: OTSCanonicalRecord
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x067e7b30182577e2fe9b30a3936267c21f5e41443042b6c004b54edc10acbef8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Fbzrtl6GUGhCUIeBUas6r.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Fbzrtl6GUGhCUIeBUas6r.
      date published: 2026-07-02T03:55:08Z
      text: {"copyright_id":"0x067e7b30182577e2fe9b30a3936267c21f5e41443042b6c004b54edc10acbef8","isrc":"QMDA72255990","name":"Naughty doen","registered_at":"2026-06-21T08:22:55Z","spotify_id":"4Fbzrtl6GUGhCUIeBUas6r","type":"track"}
album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01
  track: Intro (Gangsta Tape)
    type: MusicRecording
    duration: PT1M25S
    duration ms: 85440
    explicit: false
    by artist: Kempi
    in album: Du Gangsta Tape (It's Official)
    isrc code: NLG661000062
  track: Loupy Skit
  track: 500 Gram
  track: Jij Werkt Vo Mij (Part 1)
  track: Du Stick Up
  track: Ik Ben Du Baas
  track: Du Strati Baby
  track: Studio Sessie 1
  track: Manny Skit
  track: Studio Sessie 2
  track: Stack Cash Skit
  track: Studio Sessie 3
  track: Ze Pikt Mu Op
  track: Driemteam
  track: Honger
  track: Breng Mu Naar Z'n Huis
  track: Dit Is Relluh
  track: Backa In Du Hood
  track: Ik Ben Een Hosselaar
  track: Lobie Vo Mu Niggaz
  track: Wij Zijn 1
  track: The Light
album: Gekozen Voor Die Life (Sped Up)
album: Gekozen Voor Die Life
album: Aqua Asia
album: DU4 (Mixtape)
album: DU4
album: Niet Doen
album: Rap ’n Glorie
album: 9M Beretta
album: Slaap (feat. Kempi)
album: Pusula
album: Het Testament Van Zanian Adamus
album: Kempi x Drayson Gashi
album: Ik Moest Man Zijn (Pre Album)
album: Oompie Keke
album: CuraSaus
album: Du Zoon
album: Maandag
album: Bad News
album: Dilara
album: Independent Woman
album: Bati Sanka (feat. Saaff, Kempi & Tyrell)
album: Mama
album: Kandela Di Amor
album: Sacrifice
album: Keuzes
album: Jij Hoort Bij Mij
album: Pa Ra Pa
album: PIÑATA
album: Good Guys
album: FBMS
album: Aan Jou Denk
album: Biglov3
album: Ik Heb Schijt
album: Tobi
album: Tot De Dood
album: Ik Moest Man Zijn
album: Weer Wakker In Du Cel
track: Mulala
track: Mijn Hossel
track: Hoe Het Was
track: Tongparty (feat. GuyDo, Young Ellens, Kempi & Penchi)
track: Mama Don't Cry
track: Down / Up
track: Naughty doen
track: Ondernemer
track: Wip Wap
track: My Ting
track: Curadise (feat. Dezz)
track: De Keuzes Die Je Maakt (Verspijkerd)
track: Ik Kom Binnen
track: Gevangenis
track: Laat Me Zien
track: Mollyworld
track: Big Man Ting
track: Scootertijd

Kempi
type: MusicGroup

Du Gangsta Tape (It's Official)
type: MusicAlbum
date published: 2010-01-01

Loupy Skit
type: MusicRecording
duration: PT0M21S
duration ms: 21973
explicit: false
by artist: Kempi
in album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01

500 Gram
type: MusicRecording
duration: PT3M3S
duration ms: 183800
explicit: false
by artist: Kempi
in album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01
isrc code: NLG661000064
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-27T12:49:14+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2bbBZhJ8fRZlgtJiijqDTW.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2bbBZhJ8fRZlgtJiijqDTW
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x87edd665eeab63d5fb1c2d14e830b104b29a3eef8a302a3299018c514d683417. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2bbBZhJ8fRZlgtJiijqDTW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2bbBZhJ8fRZlgtJiijqDTW.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0x87edd665eeab63d5fb1c2d14e830b104b29a3eef8a302a3299018c514d683417","isrc":"NLG661000064","name":"500 Gram","registered_at":"2026-06-27T12:49:14Z","spotify_id":"2bbBZhJ8fRZlgtJiijqDTW","type":"track"}

Jij Werkt Vo Mij (Part 1)
type: MusicRecording
duration: PT3M38S
duration ms: 218400
explicit: false
by artist: Kempi
in album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01
isrc code: NLG661000065

Du Stick Up
type: MusicRecording
duration: PT0M58S
duration ms: 58733
explicit: false
by artist: Kempi
in album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01
isrc code: NLG661000066

Ik Ben Du Baas
type: MusicRecording
duration: PT2M11S
duration ms: 131586
explicit: false
by artist: Kempi
in album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01
isrc code: NLG661000067
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/28drXd1lRb2VZx0n039rrC.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/28drXd1lRb2VZx0n039rrC
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
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  value: {"copyright_id":"0xfd9398cd223a383bf8fa7270f13ccc3e5f4c1945c5f8f38e1ecc0fad08d216be","isrc":"NLG661000067","name":"Ik Ben Du Baas","registered_at":"2026-06-27T12:49:08Z","spotify_id":"28drXd1lRb2VZx0n039rrC","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xfd9398cd223a383bf8fa7270f13ccc3e5f4c1945c5f8f38e1ecc0fad08d216be. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/28drXd1lRb2VZx0n039rrC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/28drXd1lRb2VZx0n039rrC.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0xfd9398cd223a383bf8fa7270f13ccc3e5f4c1945c5f8f38e1ecc0fad08d216be","isrc":"NLG661000067","name":"Ik Ben Du Baas","registered_at":"2026-06-27T12:49:08Z","spotify_id":"28drXd1lRb2VZx0n039rrC","type":"track"}

Du Strati Baby
type: MusicRecording
duration: PT2M47S
duration ms: 167346
explicit: false
by artist: Kempi
in album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01
isrc code: NLG661000068

Studio Sessie 1
type: MusicRecording
duration: PT1M21S
duration ms: 81026
explicit: false
by artist: Kempi
in album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01
isrc code: NLG661000069

Manny Skit
type: MusicRecording
duration: PT0M35S
duration ms: 35133
explicit: false
by artist: Kempi
in album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01
isrc code: NLG661000070

Studio Sessie 2
type: MusicRecording
duration: PT2M27S
duration ms: 147493
explicit: false
by artist: Kempi
in album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01
isrc code: NLG661000071

Stack Cash Skit
type: MusicRecording
duration: PT1M30S
duration ms: 90253
explicit: false
by artist: Kempi
in album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01
isrc code: NLG661000072

Studio Sessie 3
type: MusicRecording
duration: PT1M54S
duration ms: 114213
explicit: false
by artist: Kempi
in album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01
isrc code: NLG661000073

Ze Pikt Mu Op
type: MusicRecording
duration: PT2M59S
duration ms: 179280
explicit: false
by artist: Kempi
in album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01
isrc code: NLG661000074

Driemteam
type: MusicRecording
duration: PT3M53S
duration ms: 233386
explicit: false
by artist: Kempi
in album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01
isrc code: NLG661000075

Honger
type: MusicRecording
duration: PT2M36S
duration ms: 156520
explicit: false
by artist: Kempi
in album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01
isrc code: NLG661000076

Breng Mu Naar Z'n Huis
type: MusicRecording
duration: PT3M2S
duration ms: 182120
explicit: false
by artist: Kempi
in album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01
isrc code: NLG661000077

Dit Is Relluh
type: MusicRecording
duration: PT1M12S
duration ms: 72333
explicit: false
by artist: Kempi
in album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01
isrc code: NLG661000078

Backa In Du Hood
type: MusicRecording
duration: PT2M16S
duration ms: 136880
explicit: false
by artist: Kempi
in album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01
isrc code: NLG661000079
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T12:48:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe631e8907a2f348028233e2b76f9e5ac18764cb1e34fed198a1d44f7b153a477
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2DemgzHjEjrXPX9ssHHD03.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2DemgzHjEjrXPX9ssHHD03
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe631e8907a2f348028233e2b76f9e5ac18764cb1e34fed198a1d44f7b153a477","isrc":"NLG661000079","name":"Backa In Du Hood","registered_at":"2026-06-27T12:48:57Z","spotify_id":"2DemgzHjEjrXPX9ssHHD03","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xe631e8907a2f348028233e2b76f9e5ac18764cb1e34fed198a1d44f7b153a477. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2DemgzHjEjrXPX9ssHHD03.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2DemgzHjEjrXPX9ssHHD03.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0xe631e8907a2f348028233e2b76f9e5ac18764cb1e34fed198a1d44f7b153a477","isrc":"NLG661000079","name":"Backa In Du Hood","registered_at":"2026-06-27T12:48:57Z","spotify_id":"2DemgzHjEjrXPX9ssHHD03","type":"track"}

Ik Ben Een Hosselaar
type: MusicRecording
duration: PT3M40S
duration ms: 220360
explicit: false
by artist: Kempi
by artist: Salah Edin
by artist: RBDjan
by artist: Congo
in album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01
isrc code: NLG661000080
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T10:50:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4bc5e8c97029c3a20ebe960e6d340637096f3eed4b0d965bbe1dd4c079698d5a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5lavQX9esRmLRMm8uaVPAK.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5lavQX9esRmLRMm8uaVPAK
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4bc5e8c97029c3a20ebe960e6d340637096f3eed4b0d965bbe1dd4c079698d5a","isrc":"NLG661000080","name":"Ik Ben Een Hosselaar","registered_at":"2026-06-20T10:50:06Z","spotify_id":"5lavQX9esRmLRMm8uaVPAK","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x4bc5e8c97029c3a20ebe960e6d340637096f3eed4b0d965bbe1dd4c079698d5a. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5lavQX9esRmLRMm8uaVPAK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5lavQX9esRmLRMm8uaVPAK.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x4bc5e8c97029c3a20ebe960e6d340637096f3eed4b0d965bbe1dd4c079698d5a","isrc":"NLG661000080","name":"Ik Ben Een Hosselaar","registered_at":"2026-06-20T10:50:06Z","spotify_id":"5lavQX9esRmLRMm8uaVPAK","type":"track"}

Lobie Vo Mu Niggaz
type: MusicRecording
duration: PT2M48S
duration ms: 168346
explicit: false
by artist: Kempi
in album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01
isrc code: NLG661000081

Wij Zijn 1
type: MusicRecording
duration: PT3M3S
duration ms: 183546
explicit: false
by artist: Kempi
in album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01
isrc code: NLG661000082

The Light
type: MusicRecording
duration: PT2M3S
duration ms: 123720
explicit: false
by artist: Kempi
by artist: Bone Thugs-N-Harmony
in album: Du Gangsta Tape (It's Official)
  type: MusicAlbum
  date published: 2010-01-01
isrc code: NLG661000083

Gekozen Voor Die Life (Sped Up)
type: MusicAlbum
date published: 2023-10-12
track: Gekozen Voor Die Life (Sped Up)
  type: MusicRecording
  duration: PT2M33S
  duration ms: 153221
  explicit: false
  by artist: Pierrii
  by artist: Kempi
  in album: Gekozen Voor Die Life (Sped Up)
    type: MusicAlbum
    date published: 2023-10-12
  isrc code: NL5HJ2300313

Gekozen Voor Die Life
type: MusicAlbum
date published: 2023-09-28
track: Gekozen Voor Die Life
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176000
  explicit: false
  by artist: Pierrii
  by artist: Kempi
  in album: Gekozen Voor Die Life
    type: MusicAlbum
    date published: 2023-09-28
  isrc code: NL5HJ2300288
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T09:31:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x64229f66a88f1f2e81ac699ea0c8fea4dc803e04e90a7383c00e594dc05b15cd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4FxvCht69qTDs6H34ObLe9.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4FxvCht69qTDs6H34ObLe9
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x64229f66a88f1f2e81ac699ea0c8fea4dc803e04e90a7383c00e594dc05b15cd","isrc":"NL5HJ2300288","name":"Gekozen Voor Die Life","registered_at":"2026-06-05T09:31:21Z","spotify_id":"4FxvCht69qTDs6H34ObLe9","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x64229f66a88f1f2e81ac699ea0c8fea4dc803e04e90a7383c00e594dc05b15cd. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4FxvCht69qTDs6H34ObLe9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4FxvCht69qTDs6H34ObLe9.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x64229f66a88f1f2e81ac699ea0c8fea4dc803e04e90a7383c00e594dc05b15cd","isrc":"NL5HJ2300288","name":"Gekozen Voor Die Life","registered_at":"2026-06-05T09:31:21Z","spotify_id":"4FxvCht69qTDs6H34ObLe9","type":"track"}

Aqua Asia
type: MusicAlbum
date published: 2023-09-08
track: Aqua Asia
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170510
  explicit: false
  by artist: Romano Santino
  by artist: Kempi
  by artist: Priceless
  in album: Aqua Asia
    type: MusicAlbum
    date published: 2023-09-08
  isrc code: NL3GQ2100451
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T14:29:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9ab43dc207d8b5451ede82ed74dae0c535a54a8857b7621a9433f13b0fecade3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0KIgUSDNtenOEvJMgWmxLA.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0KIgUSDNtenOEvJMgWmxLA
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x9ab43dc207d8b5451ede82ed74dae0c535a54a8857b7621a9433f13b0fecade3","isrc":"NL3GQ2100451","name":"Aqua Asia","registered_at":"2026-06-10T14:29:58Z","spotify_id":"0KIgUSDNtenOEvJMgWmxLA","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9ab43dc207d8b5451ede82ed74dae0c535a54a8857b7621a9433f13b0fecade3. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0KIgUSDNtenOEvJMgWmxLA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0KIgUSDNtenOEvJMgWmxLA.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x9ab43dc207d8b5451ede82ed74dae0c535a54a8857b7621a9433f13b0fecade3","isrc":"NL3GQ2100451","name":"Aqua Asia","registered_at":"2026-06-10T14:29:58Z","spotify_id":"0KIgUSDNtenOEvJMgWmxLA","type":"track"}

DU4 (Mixtape)
type: MusicAlbum
date published: 2017-05-12
track: Hallelujah
  type: MusicRecording
  duration: PT1M13S
  duration ms: 73426
  explicit: false
  by artist: Kempi
  in album: DU4 (Mixtape)
    type: MusicAlbum
    date published: 2017-05-12
  isrc code: NLG661700297
track: DNA Zegt Kees
  type: MusicRecording
  duration: PT1M32S
  duration ms: 92768
  explicit: false
  by artist: Kempi
  in album: DU4 (Mixtape)
    type: MusicAlbum
    date published: 2017-05-12
  isrc code: NLG661700298
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T19:38:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x39a52cb919bd6507febf3e29b64cccb946d1929eff2e01b014d337d759cf4666
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5tCjN8s0hSOT94WUqsvhYr.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5tCjN8s0hSOT94WUqsvhYr
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x39a52cb919bd6507febf3e29b64cccb946d1929eff2e01b014d337d759cf4666","isrc":"NLG661700298","name":"DNA Zegt Kees","registered_at":"2026-06-24T19:38:19Z","spotify_id":"5tCjN8s0hSOT94WUqsvhYr","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x39a52cb919bd6507febf3e29b64cccb946d1929eff2e01b014d337d759cf4666. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5tCjN8s0hSOT94WUqsvhYr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5tCjN8s0hSOT94WUqsvhYr.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x39a52cb919bd6507febf3e29b64cccb946d1929eff2e01b014d337d759cf4666","isrc":"NLG661700298","name":"DNA Zegt Kees","registered_at":"2026-06-24T19:38:19Z","spotify_id":"5tCjN8s0hSOT94WUqsvhYr","type":"track"}
track: Litty
  type: MusicRecording
  duration: PT1M47S
  duration ms: 107404
  explicit: false
  by artist: Kempi
  by artist: Broertje
  in album: DU4 (Mixtape)
    type: MusicAlbum
    date published: 2017-05-12
  isrc code: NLG661700299
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T04:50:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb29d825c4384e2efb576e4a4dcd89bec8060502ceff61b806025835bbd31a185
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1x0PFyNV5wpR3ClGJmaKco.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1x0PFyNV5wpR3ClGJmaKco
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xb29d825c4384e2efb576e4a4dcd89bec8060502ceff61b806025835bbd31a185. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1x0PFyNV5wpR3ClGJmaKco.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1x0PFyNV5wpR3ClGJmaKco.
    date published: 2026-07-02T03:30:09Z
track: Free - Minitrapper Remix
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160889
  explicit: false
  by artist: Kempi
  in album: DU4 (Mixtape)
    type: MusicAlbum
    date published: 2017-05-12
  isrc code: NLG661700300
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T19:51:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5afad4d4ff46a1a7a0a1b5a9982055ea8f64e47fa9fc2c8049aed538e1db92e2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3r5ksG22XcwuKjXcTM6TDE.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3r5ksG22XcwuKjXcTM6TDE
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5afad4d4ff46a1a7a0a1b5a9982055ea8f64e47fa9fc2c8049aed538e1db92e2","isrc":"NLG661700300","name":"Free - Minitrapper Remix","registered_at":"2026-06-20T19:51:26Z","spotify_id":"3r5ksG22XcwuKjXcTM6TDE","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x5afad4d4ff46a1a7a0a1b5a9982055ea8f64e47fa9fc2c8049aed538e1db92e2. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3r5ksG22XcwuKjXcTM6TDE.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3r5ksG22XcwuKjXcTM6TDE.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x5afad4d4ff46a1a7a0a1b5a9982055ea8f64e47fa9fc2c8049aed538e1db92e2","isrc":"NLG661700300","name":"Free - Minitrapper Remix","registered_at":"2026-06-20T19:51:26Z","spotify_id":"3r5ksG22XcwuKjXcTM6TDE","type":"track"}
track: Narcos
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157004
  explicit: false
  by artist: Kempi
  by artist: Lilo
  in album: DU4 (Mixtape)
    type: MusicAlbum
    date published: 2017-05-12
  isrc code: NLG661700301
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-27T12:54:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xea494329346f58e9d3d41be826fd14050eb61f3b93aa85ef7a24f087e435ef08
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956349
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956349
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/43XFWnM1ZZtR4biz38BGDs.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/43XFWnM1ZZtR4biz38BGDs
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:34:59Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xea494329346f58e9d3d41be826fd14050eb61f3b93aa85ef7a24f087e435ef08. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/43XFWnM1ZZtR4biz38BGDs.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/43XFWnM1ZZtR4biz38BGDs.
    date published: 2026-07-02T11:34:59Z
track: Geboren In '86
track: Hallo
track: Chop Chop - The Blockparty Remix
track: Cocaina
track: Guusje
track: Het Is Een Feit - Remix
track: Wasteman - Remix
track: Welcome Op De Block
track: C-Klasse In De Winter
track: No Spang
track: Real Shit
track: Du Real Is Back
track: Geloof Alleen God
track: Zure Tranen
track: Oh Mama
track: Brief Uit De Gevangenis
track: Ik Heb M'n Best Gedaan

Geboren In '86
type: MusicRecording
duration: PT1M55S
duration ms: 115442
explicit: false
by artist: Kempi
in album: DU4 (Mixtape)
  type: MusicAlbum
  date published: 2017-05-12
isrc code: NLG661700302

Hallo
type: MusicRecording
duration: PT2M37S
duration ms: 157514
explicit: false
by artist: Kempi
by artist: Vic9
in album: DU4 (Mixtape)
  type: MusicAlbum
  date published: 2017-05-12
isrc code: NLG661700303
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T10:03:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd7e5359d4b3f8f0001be53c5cef8d3a03393bd8b7894b44ba182fd2704c327b5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0tl7qKsg0jdloogYNUj1y9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0tl7qKsg0jdloogYNUj1y9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xd7e5359d4b3f8f0001be53c5cef8d3a03393bd8b7894b44ba182fd2704c327b5. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0tl7qKsg0jdloogYNUj1y9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0tl7qKsg0jdloogYNUj1y9.
  date published: 2026-06-13T17:25:41Z

Chop Chop - The Blockparty Remix
type: MusicRecording
duration: PT2M35S
duration ms: 155992
explicit: false
by artist: Kempi
by artist: Jermaine Niffer
by artist: The Blockparty
in album: DU4 (Mixtape)
  type: MusicAlbum
  date published: 2017-05-12
isrc code: NLG661700304
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T19:38:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x818c7b58fb2c9064b6b6f0a8846204d7d84961248fccf8a6e5df0768dc076c59
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5JAwApmRWVxj8lOJn6c09K.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5JAwApmRWVxj8lOJn6c09K
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x818c7b58fb2c9064b6b6f0a8846204d7d84961248fccf8a6e5df0768dc076c59","isrc":"NLG661700304","name":"Chop Chop - The Blockparty Remix","registered_at":"2026-06-24T19:38:15Z","spotify_id":"5JAwApmRWVxj8lOJn6c09K","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x818c7b58fb2c9064b6b6f0a8846204d7d84961248fccf8a6e5df0768dc076c59. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5JAwApmRWVxj8lOJn6c09K.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5JAwApmRWVxj8lOJn6c09K.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x818c7b58fb2c9064b6b6f0a8846204d7d84961248fccf8a6e5df0768dc076c59","isrc":"NLG661700304","name":"Chop Chop - The Blockparty Remix","registered_at":"2026-06-24T19:38:15Z","spotify_id":"5JAwApmRWVxj8lOJn6c09K","type":"track"}

Cocaina
type: MusicRecording
duration: PT1M49S
duration ms: 109709
explicit: false
by artist: Kempi
by artist: The Blockparty
in album: DU4 (Mixtape)
  type: MusicAlbum
  date published: 2017-05-12
isrc code: NLG661700305
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T05:16:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbcab10dd427596a8391c17acbaf275c3ea0933934f4849ddfb34d2da069c1860
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0f7P48sOfMxTmlLsdBIa6T.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0f7P48sOfMxTmlLsdBIa6T
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xbcab10dd427596a8391c17acbaf275c3ea0933934f4849ddfb34d2da069c1860. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0f7P48sOfMxTmlLsdBIa6T.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0f7P48sOfMxTmlLsdBIa6T.
  date published: 2026-06-13T17:25:41Z

Guusje
type: MusicRecording
duration: PT3M15S
duration ms: 195245
explicit: false
by artist: Kempi
in album: DU4 (Mixtape)
  type: MusicAlbum
  date published: 2017-05-12
isrc code: NLG661700306
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T12:55:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6028fa9a81e40e5f24a260dabd23630741dbab51011519b011e151a292b759f3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3hgc9NY8d8t0rZi0ljRFfv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3hgc9NY8d8t0rZi0ljRFfv
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6028fa9a81e40e5f24a260dabd23630741dbab51011519b011e151a292b759f3. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3hgc9NY8d8t0rZi0ljRFfv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3hgc9NY8d8t0rZi0ljRFfv.
  date published: 2026-07-02T11:34:59Z

Het Is Een Feit - Remix
type: MusicRecording
duration: PT2M28S
duration ms: 148401
explicit: false
by artist: Kempi
by artist: Emms
in album: DU4 (Mixtape)
  type: MusicAlbum
  date published: 2017-05-12
isrc code: NLG661700307
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T10:46:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3ae8cc80958c6903efa7792e0f30e8ad857446113c6f3eeb295261c88ee102b1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5DMEuSqMM2ebsXQ79HVhCI.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5DMEuSqMM2ebsXQ79HVhCI
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3ae8cc80958c6903efa7792e0f30e8ad857446113c6f3eeb295261c88ee102b1","isrc":"NLG661700307","name":"Het Is Een Feit - Remix","registered_at":"2026-06-20T10:46:44Z","spotify_id":"5DMEuSqMM2ebsXQ79HVhCI","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3ae8cc80958c6903efa7792e0f30e8ad857446113c6f3eeb295261c88ee102b1. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5DMEuSqMM2ebsXQ79HVhCI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5DMEuSqMM2ebsXQ79HVhCI.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x3ae8cc80958c6903efa7792e0f30e8ad857446113c6f3eeb295261c88ee102b1","isrc":"NLG661700307","name":"Het Is Een Feit - Remix","registered_at":"2026-06-20T10:46:44Z","spotify_id":"5DMEuSqMM2ebsXQ79HVhCI","type":"track"}

Wasteman - Remix
type: MusicRecording
duration: PT2M40S
duration ms: 160826
explicit: false
by artist: Kempi
by artist: Frenna
by artist: KM
in album: DU4 (Mixtape)
  type: MusicAlbum
  date published: 2017-05-12
isrc code: NLG661700308
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T07:11:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1ddd14dc76ad5aea5deab0ec63efc3c794e4ef4cba47062a22b99fd4cbeac267
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/65qP9nzgtuK73VfG2y2He7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/65qP9nzgtuK73VfG2y2He7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1ddd14dc76ad5aea5deab0ec63efc3c794e4ef4cba47062a22b99fd4cbeac267","isrc":"NLG661700308","name":"Wasteman - Remix","registered_at":"2026-06-22T07:11:34Z","spotify_id":"65qP9nzgtuK73VfG2y2He7","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x1ddd14dc76ad5aea5deab0ec63efc3c794e4ef4cba47062a22b99fd4cbeac267. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/65qP9nzgtuK73VfG2y2He7.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/65qP9nzgtuK73VfG2y2He7.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x1ddd14dc76ad5aea5deab0ec63efc3c794e4ef4cba47062a22b99fd4cbeac267","isrc":"NLG661700308","name":"Wasteman - Remix","registered_at":"2026-06-22T07:11:34Z","spotify_id":"65qP9nzgtuK73VfG2y2He7","type":"track"}

Welcome Op De Block
type: MusicRecording
duration: PT3M13S
duration ms: 193921
explicit: false
by artist: Kempi
by artist: Lijpe
by artist: Mo Temsamani
in album: DU4 (Mixtape)
  type: MusicAlbum
  date published: 2017-05-12
isrc code: NLG661700309
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T16:05:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf50e0f25af74b1feb3252ef7879ec442f713f1362776561dd903e05f652b9388
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0dcitje2ugcXW1Ds3tEi1K.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0dcitje2ugcXW1Ds3tEi1K
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf50e0f25af74b1feb3252ef7879ec442f713f1362776561dd903e05f652b9388","isrc":"NLG661700309","name":"Welcome Op De Block","registered_at":"2026-06-19T16:05:56Z","spotify_id":"0dcitje2ugcXW1Ds3tEi1K","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf50e0f25af74b1feb3252ef7879ec442f713f1362776561dd903e05f652b9388. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0dcitje2ugcXW1Ds3tEi1K.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0dcitje2ugcXW1Ds3tEi1K.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xf50e0f25af74b1feb3252ef7879ec442f713f1362776561dd903e05f652b9388","isrc":"NLG661700309","name":"Welcome Op De Block","registered_at":"2026-06-19T16:05:56Z","spotify_id":"0dcitje2ugcXW1Ds3tEi1K","type":"track"}

C-Klasse In De Winter
type: MusicRecording
duration: PT1M59S
duration ms: 119619
explicit: false
by artist: Kempi
in album: DU4 (Mixtape)
  type: MusicAlbum
  date published: 2017-05-12
isrc code: NLG661700411

No Spang
type: MusicRecording
duration: PT2M26S
duration ms: 146307
explicit: false
by artist: Kempi
in album: DU4 (Mixtape)
  type: MusicAlbum
  date published: 2017-05-12
isrc code: NLG661700310
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T13:28:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe4dcd239828d3b2bbdac2c1d1c90d19647dd238a29d4dde5be6252351f16027d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6dLgSyQgEVBpLEmsQGN2Kb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6dLgSyQgEVBpLEmsQGN2Kb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe4dcd239828d3b2bbdac2c1d1c90d19647dd238a29d4dde5be6252351f16027d","isrc":"NLG661700310","name":"No Spang","registered_at":"2026-06-23T13:28:15Z","spotify_id":"6dLgSyQgEVBpLEmsQGN2Kb","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xe4dcd239828d3b2bbdac2c1d1c90d19647dd238a29d4dde5be6252351f16027d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6dLgSyQgEVBpLEmsQGN2Kb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6dLgSyQgEVBpLEmsQGN2Kb.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xe4dcd239828d3b2bbdac2c1d1c90d19647dd238a29d4dde5be6252351f16027d","isrc":"NLG661700310","name":"No Spang","registered_at":"2026-06-23T13:28:15Z","spotify_id":"6dLgSyQgEVBpLEmsQGN2Kb","type":"track"}

Real Shit
type: MusicRecording
duration: PT3M2S
duration ms: 182633
explicit: false
by artist: Kempi
in album: DU4 (Mixtape)
  type: MusicAlbum
  date published: 2017-05-12
isrc code: NLG661700311
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T13:26:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe498e272186e66220382cb2f7f26d4d8e787ac1714188542804c837bb1c2cfbf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4nFlMwmluyPu2oyqo371Bw.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4nFlMwmluyPu2oyqo371Bw
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe498e272186e66220382cb2f7f26d4d8e787ac1714188542804c837bb1c2cfbf","isrc":"NLG661700311","name":"Real Shit","registered_at":"2026-06-23T13:26:17Z","spotify_id":"4nFlMwmluyPu2oyqo371Bw","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xe498e272186e66220382cb2f7f26d4d8e787ac1714188542804c837bb1c2cfbf. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4nFlMwmluyPu2oyqo371Bw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4nFlMwmluyPu2oyqo371Bw.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xe498e272186e66220382cb2f7f26d4d8e787ac1714188542804c837bb1c2cfbf","isrc":"NLG661700311","name":"Real Shit","registered_at":"2026-06-23T13:26:17Z","spotify_id":"4nFlMwmluyPu2oyqo371Bw","type":"track"}

Du Real Is Back
type: MusicRecording
duration: PT3M36S
duration ms: 216428
explicit: false
by artist: Kempi
by artist: Sticks
in album: DU4 (Mixtape)
  type: MusicAlbum
  date published: 2017-05-12
isrc code: NLG661700312
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T12:52:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x210f7871d74c644b39e7c35417e92b1204262675f8ca180817b729b12461c7d5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0ABZcIJFTDWnSls1VCmKT7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ABZcIJFTDWnSls1VCmKT7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x210f7871d74c644b39e7c35417e92b1204262675f8ca180817b729b12461c7d5","isrc":"NLG661700312","name":"Du Real Is Back","registered_at":"2026-06-27T12:52:11Z","spotify_id":"0ABZcIJFTDWnSls1VCmKT7","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x210f7871d74c644b39e7c35417e92b1204262675f8ca180817b729b12461c7d5. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0ABZcIJFTDWnSls1VCmKT7.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ABZcIJFTDWnSls1VCmKT7.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0x210f7871d74c644b39e7c35417e92b1204262675f8ca180817b729b12461c7d5","isrc":"NLG661700312","name":"Du Real Is Back","registered_at":"2026-06-27T12:52:11Z","spotify_id":"0ABZcIJFTDWnSls1VCmKT7","type":"track"}

Geloof Alleen God
type: MusicRecording
duration: PT4M37S
duration ms: 277285
explicit: false
by artist: Kempi
by artist: Lijpe
in album: DU4 (Mixtape)
  type: MusicAlbum
  date published: 2017-05-12
isrc code: NLG661700313
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T16:32:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf50b8e6d20b2c3230ad1014993ae668dd1d74d2fafd2c6f1024908fc6573d59d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6YczW8k297t4jvf8HpgSbd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6YczW8k297t4jvf8HpgSbd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf50b8e6d20b2c3230ad1014993ae668dd1d74d2fafd2c6f1024908fc6573d59d","isrc":"NLG661700313","name":"Geloof Alleen God","registered_at":"2026-06-11T16:32:29Z","spotify_id":"6YczW8k297t4jvf8HpgSbd","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf50b8e6d20b2c3230ad1014993ae668dd1d74d2fafd2c6f1024908fc6573d59d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6YczW8k297t4jvf8HpgSbd.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6YczW8k297t4jvf8HpgSbd.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xf50b8e6d20b2c3230ad1014993ae668dd1d74d2fafd2c6f1024908fc6573d59d","isrc":"NLG661700313","name":"Geloof Alleen God","registered_at":"2026-06-11T16:32:29Z","spotify_id":"6YczW8k297t4jvf8HpgSbd","type":"track"}

Zure Tranen
type: MusicRecording
duration: PT3M10S
duration ms: 190682
explicit: false
by artist: Kempi
in album: DU4 (Mixtape)
  type: MusicAlbum
  date published: 2017-05-12
isrc code: NLG661700314
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T15:24:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc2eae351e15377d61802b90b7bc30e47113c72ea11a092c971eaa907d7aae994
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956351
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/49DqT3O2JJtdeEpuWZbTzd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/49DqT3O2JJtdeEpuWZbTzd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc2eae351e15377d61802b90b7bc30e47113c72ea11a092c971eaa907d7aae994","isrc":"NLG661700314","name":"Zure Tranen","registered_at":"2026-06-27T15:24:44Z","spotify_id":"49DqT3O2JJtdeEpuWZbTzd","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xc2eae351e15377d61802b90b7bc30e47113c72ea11a092c971eaa907d7aae994. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/49DqT3O2JJtdeEpuWZbTzd.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/49DqT3O2JJtdeEpuWZbTzd.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0xc2eae351e15377d61802b90b7bc30e47113c72ea11a092c971eaa907d7aae994","isrc":"NLG661700314","name":"Zure Tranen","registered_at":"2026-06-27T15:24:44Z","spotify_id":"49DqT3O2JJtdeEpuWZbTzd","type":"track"}

Oh Mama
type: MusicRecording
duration: PT2M30S
duration ms: 150207
explicit: false
by artist: Kempi
in album: DU4 (Mixtape)
  type: MusicAlbum
  date published: 2017-05-12
isrc code: NLG661700315
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T10:49:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf414b059820e8a0721cc0bc4754cbafdf59405de594f3ffb171558aa26502424
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5eyPMRoFmMtNO9af4b1yEJ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5eyPMRoFmMtNO9af4b1yEJ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf414b059820e8a0721cc0bc4754cbafdf59405de594f3ffb171558aa26502424","isrc":"NLG661700315","name":"Oh Mama","registered_at":"2026-06-20T10:49:08Z","spotify_id":"5eyPMRoFmMtNO9af4b1yEJ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf414b059820e8a0721cc0bc4754cbafdf59405de594f3ffb171558aa26502424. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5eyPMRoFmMtNO9af4b1yEJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5eyPMRoFmMtNO9af4b1yEJ.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xf414b059820e8a0721cc0bc4754cbafdf59405de594f3ffb171558aa26502424","isrc":"NLG661700315","name":"Oh Mama","registered_at":"2026-06-20T10:49:08Z","spotify_id":"5eyPMRoFmMtNO9af4b1yEJ","type":"track"}

Brief Uit De Gevangenis
type: MusicRecording
duration: PT3M28S
duration ms: 208705
explicit: false
by artist: Kempi
in album: DU4 (Mixtape)
  type: MusicAlbum
  date published: 2017-05-12
isrc code: NLG661700316
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T19:38:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaa52254c962727c1b0879da9eee4fc44a45e70934eb1c64328053e544bb538c3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6a6SqDBLfszvfMhA7SKA67.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6a6SqDBLfszvfMhA7SKA67
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xaa52254c962727c1b0879da9eee4fc44a45e70934eb1c64328053e544bb538c3","isrc":"NLG661700316","name":"Brief Uit De Gevangenis","registered_at":"2026-06-24T19:38:35Z","spotify_id":"6a6SqDBLfszvfMhA7SKA67","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xaa52254c962727c1b0879da9eee4fc44a45e70934eb1c64328053e544bb538c3. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6a6SqDBLfszvfMhA7SKA67.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6a6SqDBLfszvfMhA7SKA67.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xaa52254c962727c1b0879da9eee4fc44a45e70934eb1c64328053e544bb538c3","isrc":"NLG661700316","name":"Brief Uit De Gevangenis","registered_at":"2026-06-24T19:38:35Z","spotify_id":"6a6SqDBLfszvfMhA7SKA67","type":"track"}

Ik Heb M'n Best Gedaan
type: MusicRecording
duration: PT4M11S
duration ms: 251119
explicit: false
by artist: Kempi
in album: DU4 (Mixtape)
  type: MusicAlbum
  date published: 2017-05-12
isrc code: NLG661700317

DU4
type: MusicAlbum
date published: 2018-05-12
track: Hallelujah
  type: MusicRecording
  duration: PT1M20S
  duration ms: 80991
  explicit: false
  by artist: Kempi
  in album: DU4
    type: MusicAlbum
    date published: 2018-05-12
  isrc code: NLG661800472
track: DNA Zegt Kees
  type: MusicRecording
  duration: PT1M46S
  duration ms: 106063
  explicit: false
  by artist: Kempi
  in album: DU4
    type: MusicAlbum
    date published: 2018-05-12
  isrc code: NLG661800473
track: Litty
  type: MusicRecording
  duration: PT4M48S
  duration ms: 288000
  explicit: false
  by artist: Kempi
  by artist: Broertje
  in album: DU4
    type: MusicAlbum
    date published: 2018-05-12
  isrc code: NLG661800474
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-27T12:50:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9e51310a55eb773af5c62136a715b70bc73f3e61d11ff242818c526e91c7406e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956349
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956349
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5X9rfAddcxyAgde2Mbpuyc.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5X9rfAddcxyAgde2Mbpuyc
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:34:59Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9e51310a55eb773af5c62136a715b70bc73f3e61d11ff242818c526e91c7406e. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5X9rfAddcxyAgde2Mbpuyc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5X9rfAddcxyAgde2Mbpuyc.
    date published: 2026-07-02T11:34:59Z
track: Free - Minitrapper Remix
  type: MusicRecording
  duration: PT2M43S
  duration ms: 163779
  explicit: false
  by artist: Kempi
  in album: DU4
    type: MusicAlbum
    date published: 2018-05-12
  isrc code: NLG661700300
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T19:51:26+00:00
track: Narcos
  type: MusicRecording
  duration: PT3M24S
  duration ms: 204504
  explicit: false
  by artist: Kempi
  by artist: Lilo
  in album: DU4
    type: MusicAlbum
    date published: 2018-05-12
  isrc code: NLG661800475
track: Geboren In '86
  type: MusicRecording
  duration: PT2M6S
  duration ms: 126111
  explicit: false
  by artist: Kempi
  in album: DU4
    type: MusicAlbum
    date published: 2018-05-12
  isrc code: NLG661800476
track: Hallo
  type: MusicRecording
  duration: PT2M21S
  duration ms: 141812
  explicit: false
  by artist: Kempi
  by artist: Vic9
  in album: DU4
    type: MusicAlbum
    date published: 2018-05-12
  isrc code: NLG661800477
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-26T10:58:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf0c8d59148251f327c763a37697a42bda6171add7b27e0b466631a2f686b08f7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1kLnkkRsyR0khjQtlv8hH0.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1kLnkkRsyR0khjQtlv8hH0
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf0c8d59148251f327c763a37697a42bda6171add7b27e0b466631a2f686b08f7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1kLnkkRsyR0khjQtlv8hH0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1kLnkkRsyR0khjQtlv8hH0.
    date published: 2026-07-02T03:55:08Z
track: Chop Chop - The Blockparty Remix
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151566
  explicit: false
  by artist: Kempi
  by artist: Jermaine Niffer
  by artist: The Blockparty
  in album: DU4
    type: MusicAlbum
    date published: 2018-05-12
  isrc code: NLG661800478
track: Cocaina
  type: MusicRecording
  duration: PT2M5S
  duration ms: 125074
  explicit: false
  by artist: Kempi
  by artist: The Blockparty
  in album: DU4
    type: MusicAlbum
    date published: 2018-05-12
  isrc code: NLG661800479
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T13:27:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x73314957820885d4fdebb09599b2becd1f72fbff6363dd8bd44ca352944c4702
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6Jau3tQm4RQO0q3W0R3cYM.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Jau3tQm4RQO0q3W0R3cYM
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Guusje
track: Het Is Een Feit - Remix
track: Wasteman - Remix
track: Welcome Op De Block
track: C-Klasse In De Winter
track: No Spang
track: Real Shit
track: Du Real Is Back
track: Geloof Alleen God
track: Zure Tranen
track: Oh Mama
track: Brief Uit De Gevangenis
track: Ik Heb M'n Best Gedaan

OTSCanonicalRecord
type: PropertyValue

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73314957820885d4fdebb09599b2becd1f72fbff6363dd8bd44ca352944c4702. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Jau3tQm4RQO0q3W0R3cYM.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Jau3tQm4RQO0q3W0R3cYM.
date published: 2026-07-02T05:09:12Z

Guusje
type: MusicRecording
duration: PT3M32S
duration ms: 212527
explicit: false
by artist: Kempi
in album: DU4
  type: MusicAlbum
  date published: 2018-05-12
isrc code: NLG661800480

Het Is Een Feit - Remix
type: MusicRecording
duration: PT2M30S
duration ms: 150960
explicit: false
by artist: Kempi
by artist: Emms
in album: DU4
  type: MusicAlbum
  date published: 2018-05-12
isrc code: NLG661800481

Wasteman - Remix
type: MusicRecording
duration: PT2M45S
duration ms: 165600
explicit: false
by artist: Kempi
by artist: Frenna
by artist: KM
in album: DU4
  type: MusicAlbum
  date published: 2018-05-12
isrc code: NLG661800482
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T20:39:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x20a4257bfae4bb557c1eb62cff8610bbd0dd74cda72166ddcff109f2265bd7c3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2oKh2wIk7Ewt67EGPyiqcf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2oKh2wIk7Ewt67EGPyiqcf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x20a4257bfae4bb557c1eb62cff8610bbd0dd74cda72166ddcff109f2265bd7c3","isrc":"NLG661800482","name":"Wasteman - Remix","registered_at":"2026-06-10T20:39:24Z","spotify_id":"2oKh2wIk7Ewt67EGPyiqcf","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x20a4257bfae4bb557c1eb62cff8610bbd0dd74cda72166ddcff109f2265bd7c3. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2oKh2wIk7Ewt67EGPyiqcf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2oKh2wIk7Ewt67EGPyiqcf.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x20a4257bfae4bb557c1eb62cff8610bbd0dd74cda72166ddcff109f2265bd7c3","isrc":"NLG661800482","name":"Wasteman - Remix","registered_at":"2026-06-10T20:39:24Z","spotify_id":"2oKh2wIk7Ewt67EGPyiqcf","type":"track"}

Welcome Op De Block
type: MusicRecording
duration: PT2M26S
duration ms: 146388
explicit: false
by artist: Kempi
by artist: Lijpe
by artist: Mo Temsamani
in album: DU4
  type: MusicAlbum
  date published: 2018-05-12
isrc code: NLG661800483
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T12:48:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4827b301b6228c3128859cd49f50ccaf199f82990dd39e3f41a355becc89fc76
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2iUFngAsDw4RGcwdqOrxbB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2iUFngAsDw4RGcwdqOrxbB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4827b301b6228c3128859cd49f50ccaf199f82990dd39e3f41a355becc89fc76","isrc":"NLG661800483","name":"Welcome Op De Block","registered_at":"2026-06-27T12:48:49Z","spotify_id":"2iUFngAsDw4RGcwdqOrxbB","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x4827b301b6228c3128859cd49f50ccaf199f82990dd39e3f41a355becc89fc76. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2iUFngAsDw4RGcwdqOrxbB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2iUFngAsDw4RGcwdqOrxbB.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0x4827b301b6228c3128859cd49f50ccaf199f82990dd39e3f41a355becc89fc76","isrc":"NLG661800483","name":"Welcome Op De Block","registered_at":"2026-06-27T12:48:49Z","spotify_id":"2iUFngAsDw4RGcwdqOrxbB","type":"track"}

C-Klasse In De Winter
type: MusicRecording
duration: PT2M25S
duration ms: 145482
explicit: false
by artist: Kempi
in album: DU4
  type: MusicAlbum
  date published: 2018-05-12
isrc code: NLG661700296

No Spang
type: MusicRecording
duration: PT2M44S
duration ms: 164644
explicit: false
by artist: Kempi
in album: DU4
  type: MusicAlbum
  date published: 2018-05-12
isrc code: NLG661800484

Real Shit
type: MusicRecording
duration: PT3M45S
duration ms: 225866
explicit: false
by artist: Kempi
in album: DU4
  type: MusicAlbum
  date published: 2018-05-12
isrc code: NLG661800485

Du Real Is Back
type: MusicRecording
duration: PT3M46S
duration ms: 226315
explicit: false
by artist: Kempi
by artist: Sticks
in album: DU4
  type: MusicAlbum
  date published: 2018-05-12
isrc code: NLG661800486

Geloof Alleen God
type: MusicRecording
duration: PT4M48S
duration ms: 288699
explicit: false
by artist: Kempi
by artist: Lijpe
in album: DU4
  type: MusicAlbum
  date published: 2018-05-12
isrc code: NLG661800487

Zure Tranen
type: MusicRecording
duration: PT3M21S
duration ms: 201585
explicit: false
by artist: Kempi
in album: DU4
  type: MusicAlbum
  date published: 2018-05-12
isrc code: NLG661800488

Oh Mama
type: MusicRecording
duration: PT3M12S
duration ms: 192863
explicit: false
by artist: Kempi
in album: DU4
  type: MusicAlbum
  date published: 2018-05-12
isrc code: NLG661800489

Brief Uit De Gevangenis
type: MusicRecording
duration: PT3M42S
duration ms: 222000
explicit: false
by artist: Kempi
in album: DU4
  type: MusicAlbum
  date published: 2018-05-12
isrc code: NLG661600362

Ik Heb M'n Best Gedaan
type: MusicRecording
duration: PT4M11S
duration ms: 251579
explicit: false
by artist: Kempi
in album: DU4
  type: MusicAlbum
  date published: 2018-05-12
isrc code: NLG661700317

Niet Doen
type: MusicAlbum
date published: 2023-12-15
track: Niet Doen (feat. Kempi)
  type: MusicRecording
  duration: PT3M0S
  duration ms: 180657
  explicit: false
  by artist: Architrackz
  by artist: Kempi
  in album: Niet Doen
    type: MusicAlbum
    date published: 2023-12-15
  isrc code: NLY9D2300021
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T15:01:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x178dc0b1bcbb6666c18aa1692de7f86ac6c2a4dd91b7b16f4cc2935c7bc298b4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/15GtBuDme0phDZO8E8W2ba.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/15GtBuDme0phDZO8E8W2ba
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x178dc0b1bcbb6666c18aa1692de7f86ac6c2a4dd91b7b16f4cc2935c7bc298b4","isrc":"NLY9D2300021","name":"Niet Doen (feat. Kempi)","registered_at":"2026-06-07T15:01:32Z","spotify_id":"15GtBuDme0phDZO8E8W2ba","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x178dc0b1bcbb6666c18aa1692de7f86ac6c2a4dd91b7b16f4cc2935c7bc298b4. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/15GtBuDme0phDZO8E8W2ba.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/15GtBuDme0phDZO8E8W2ba.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x178dc0b1bcbb6666c18aa1692de7f86ac6c2a4dd91b7b16f4cc2935c7bc298b4","isrc":"NLY9D2300021","name":"Niet Doen (feat. Kempi)","registered_at":"2026-06-07T15:01:32Z","spotify_id":"15GtBuDme0phDZO8E8W2ba","type":"track"}

Rap ’n Glorie
type: MusicAlbum
date published: 2016-04-15
track: Herder
  type: MusicRecording
  duration: PT3M42S
  duration ms: 222391
  explicit: false
  by artist: Kempi
  in album: Rap ’n Glorie
    type: MusicAlbum
    date published: 2016-04-15
  isrc code: NLG661500478
track: Ik Wil Nikes
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256119
  explicit: false
  by artist: Kempi
  by artist: Willem
  in album: Rap ’n Glorie
    type: MusicAlbum
    date published: 2016-04-15
  isrc code: NLG661500479
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T16:29:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4f3145b77b11834f2e196447dde6142783e023a7e676ba1f06ceb5f4ae37fefe
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/15VeiCfVu9jXH65ElZamSu.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/15VeiCfVu9jXH65ElZamSu
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x4f3145b77b11834f2e196447dde6142783e023a7e676ba1f06ceb5f4ae37fefe","isrc":"NLG661500479","name":"Ik Wil Nikes","registered_at":"2026-06-11T16:29:19Z","spotify_id":"15VeiCfVu9jXH65ElZamSu","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x4f3145b77b11834f2e196447dde6142783e023a7e676ba1f06ceb5f4ae37fefe. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/15VeiCfVu9jXH65ElZamSu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/15VeiCfVu9jXH65ElZamSu.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x4f3145b77b11834f2e196447dde6142783e023a7e676ba1f06ceb5f4ae37fefe","isrc":"NLG661500479","name":"Ik Wil Nikes","registered_at":"2026-06-11T16:29:19Z","spotify_id":"15VeiCfVu9jXH65ElZamSu","type":"track"}
track: King Kong / Observeer
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275612
  explicit: false
  by artist: Kempi
  by artist: Klemma
  in album: Rap ’n Glorie
    type: MusicAlbum
    date published: 2016-04-15
  isrc code: NLG661500480
track: D Boy
  type: MusicRecording
  duration: PT3M25S
  duration ms: 205213
  explicit: false
  by artist: Kempi
  in album: Rap ’n Glorie
    type: MusicAlbum
    date published: 2016-04-15
  isrc code: NLG661500481
track: Herder - Instrumental
  type: MusicRecording
  duration: PT3M42S
  duration ms: 222391
  explicit: false
  by artist: Kempi
  in album: Rap ’n Glorie
    type: MusicAlbum
    date published: 2016-04-15
  isrc code: NLG661500482
track: Ik Wil Nikes - Instrumental
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256119
  explicit: false
  by artist: Kempi
  by artist: Willem
  in album: Rap ’n Glorie
    type: MusicAlbum
    date published: 2016-04-15
  isrc code: NLG661500483
track: King Kong / Observeer - Instrumental
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275612
  explicit: false
  by artist: Kempi
  by artist: Klemma
  in album: Rap ’n Glorie
    type: MusicAlbum
    date published: 2016-04-15
  isrc code: NLG661500484
track: D Boy - Instrumental
  type: MusicRecording
  duration: PT3M25S
  duration ms: 205213
  explicit: false
  by artist: Kempi
  in album: Rap ’n Glorie
    type: MusicAlbum
    date published: 2016-04-15

9M Beretta
type: MusicAlbum
date published: 2023-12-22
track: 9M Beretta
  type: MusicRecording
  duration: PT2M35S
  duration ms: 155696
  explicit: false
  by artist: Kempi
  by artist: OCS
  in album: 9M Beretta
    type: MusicAlbum
    date published: 2023-12-22
  isrc code: QMFMG2365492
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T20:24:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4f6c3900910b6cb21bc952c792d9fed91d91f5c7a77a617217caa262f532f9ca
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4Q1Ynkiwx3sqv0ZGBP4u2o.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Q1Ynkiwx3sqv0ZGBP4u2o
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x4f6c3900910b6cb21bc952c792d9fed91d91f5c7a77a617217caa262f532f9ca","isrc":"QMFMG2365492","name":"9M Beretta","registered_at":"2026-06-08T20:24:27Z","spotify_id":"4Q1Ynkiwx3sqv0ZGBP4u2o","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x4f6c3900910b6cb21bc952c792d9fed91d91f5c7a77a617217caa262f532f9ca. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Q1Ynkiwx3sqv0ZGBP4u2o.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Q1Ynkiwx3sqv0ZGBP4u2o.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x4f6c3900910b6cb21bc952c792d9fed91d91f5c7a77a617217caa262f532f9ca","isrc":"QMFMG2365492","name":"9M Beretta","registered_at":"2026-06-08T20:24:27Z","spotify_id":"4Q1Ynkiwx3sqv0ZGBP4u2o","type":"track"}

Slaap (feat. Kempi)
type: MusicAlbum
date published: 2023-12-14
track: Slaap (feat. Kempi)
  type: MusicRecording
  duration: PT2M18S
  duration ms: 138367
  explicit: false
  by artist: ICE
  by artist: Kempi
  in album: Slaap (feat. Kempi)
    type: MusicAlbum
    date published: 2023-12-14
  isrc code: NL5HJ2300333
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T02:40:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf4b52772f3c7b4289056265c3120b36d4707c61d4c07d06503915d21e20ce6b5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1c3WHlLfMQ4fuI0y6eJb8A.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1c3WHlLfMQ4fuI0y6eJb8A
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xf4b52772f3c7b4289056265c3120b36d4707c61d4c07d06503915d21e20ce6b5","isrc":"NL5HJ2300333","name":"Slaap (feat. Kempi)","registered_at":"2026-06-07T02:40:30Z","spotify_id":"1c3WHlLfMQ4fuI0y6eJb8A","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf4b52772f3c7b4289056265c3120b36d4707c61d4c07d06503915d21e20ce6b5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1c3WHlLfMQ4fuI0y6eJb8A.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1c3WHlLfMQ4fuI0y6eJb8A.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xf4b52772f3c7b4289056265c3120b36d4707c61d4c07d06503915d21e20ce6b5","isrc":"NL5HJ2300333","name":"Slaap (feat. Kempi)","registered_at":"2026-06-07T02:40:30Z","spotify_id":"1c3WHlLfMQ4fuI0y6eJb8A","type":"track"}

Pusula
type: MusicAlbum
date published: 2024-11-22
track: Pusula
  type: MusicRecording
  duration: PT2M41S
  duration ms: 161274
  explicit: false
  by artist: 6iant
  by artist: Kempi
  by artist: Melez
  in album: Pusula
    type: MusicAlbum
    date published: 2024-11-22
  isrc code: NL1LU2400083
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T08:51:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2a01cd3743e006fc62c04dc67ad2d1d4f3dcc319dec8dea092b674f4507faf68
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0JaYVHohxA2uklxRCBBiMC.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0JaYVHohxA2uklxRCBBiMC
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x2a01cd3743e006fc62c04dc67ad2d1d4f3dcc319dec8dea092b674f4507faf68. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0JaYVHohxA2uklxRCBBiMC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0JaYVHohxA2uklxRCBBiMC.
    date published: 2026-06-13T15:41:10Z

Het Testament Van Zanian Adamus
type: MusicAlbum
date published: 2011-01-01
track: Du Intro
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188893
  explicit: false
  by artist: Kempi
  in album: Het Testament Van Zanian Adamus
    type: MusicAlbum
    date published: 2011-01-01
  isrc code: NLG661100250
track: Down
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187693
  explicit: false
  by artist: Kempi
  in album: Het Testament Van Zanian Adamus
    type: MusicAlbum
    date published: 2011-01-01
  isrc code: NLG661100251
track: Voodoopriest
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192573
  explicit: false
  by artist: Kempi
  in album: Het Testament Van Zanian Adamus
    type: MusicAlbum
    date published: 2011-01-01
  isrc code: NLG661100252
track: Dagen Van De Bijbel II
  type: MusicRecording
  duration: PT2M45S
  duration ms: 165386
  explicit: false
  by artist: Kempi
  by artist: Shirma Rouse
  in album: Het Testament Van Zanian Adamus
    type: MusicAlbum
    date published: 2011-01-01
  isrc code: NLG661100253
track: Wat Ik Zie
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179266
  explicit: false
  by artist: Kempi
  by artist: Phatt
  in album: Het Testament Van Zanian Adamus
    type: MusicAlbum
    date published: 2011-01-01
  isrc code: NLG661100254
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T20:18:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2e932c58a31b25f54fdf5047330b423b0d1884a095dab94aa3a73f7f814a30cb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5DvHu4qsUSn0EkgrhM0Okc.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5DvHu4qsUSn0EkgrhM0Okc
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x2e932c58a31b25f54fdf5047330b423b0d1884a095dab94aa3a73f7f814a30cb","isrc":"NLG661100254","name":"Wat Ik Zie","registered_at":"2026-06-18T20:18:32Z","spotify_id":"5DvHu4qsUSn0EkgrhM0Okc","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x2e932c58a31b25f54fdf5047330b423b0d1884a095dab94aa3a73f7f814a30cb. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5DvHu4qsUSn0EkgrhM0Okc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5DvHu4qsUSn0EkgrhM0Okc.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x2e932c58a31b25f54fdf5047330b423b0d1884a095dab94aa3a73f7f814a30cb","isrc":"NLG661100254","name":"Wat Ik Zie","registered_at":"2026-06-18T20:18:32Z","spotify_id":"5DvHu4qsUSn0EkgrhM0Okc","type":"track"}
track: Postduif
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170373
  explicit: false
  by artist: Kempi
  in album: Het Testament Van Zanian Adamus
    type: MusicAlbum
    date published: 2011-01-01
  isrc code: NLG661100255
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T04:50:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc007bcfa5699f5e4f9d5ae7a6849371995f8994df6bfe0316cb29287a25f36d0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0oDokKPkhVhoO93WQirARR.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0oDokKPkhVhoO93WQirARR
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xc007bcfa5699f5e4f9d5ae7a6849371995f8994df6bfe0316cb29287a25f36d0. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0oDokKPkhVhoO93WQirARR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0oDokKPkhVhoO93WQirARR.
    date published: 2026-07-02T03:30:09Z
track: Na Du Show
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246333
  explicit: false
  by artist: Kempi
  by artist: Fresku
  in album: Het Testament Van Zanian Adamus
    type: MusicAlbum
    date published: 2011-01-01
  isrc code: NLG661100256
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T11:25:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2b9ac5e5a25c354deee553525e8d3d526c6e8959d76dc0b33ecae8990251b140
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4uAKNYaMKP0G1tlUO1jDMK.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4uAKNYaMKP0G1tlUO1jDMK
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x2b9ac5e5a25c354deee553525e8d3d526c6e8959d76dc0b33ecae8990251b140","isrc":"NLG661100256","name":"Na Du Show","registered_at":"2026-06-25T11:25:47Z","spotify_id":"4uAKNYaMKP0G1tlUO1jDMK","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x2b9ac5e5a25c354deee553525e8d3d526c6e8959d76dc0b33ecae8990251b140. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4uAKNYaMKP0G1tlUO1jDMK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4uAKNYaMKP0G1tlUO1jDMK.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x2b9ac5e5a25c354deee553525e8d3d526c6e8959d76dc0b33ecae8990251b140","isrc":"NLG661100256","name":"Na Du Show","registered_at":"2026-06-25T11:25:47Z","spotify_id":"4uAKNYaMKP0G1tlUO1jDMK","type":"track"}
track: Blijven Wij
  type: MusicRecording
  duration: PT2M39S
  duration ms: 159506
  explicit: false
  by artist: Kempi
  by artist: Rolf Wienk
  in album: Het Testament Van Zanian Adamus
    type: MusicAlbum
    date published: 2011-01-01
  isrc code: NLG661100257
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Moordzaak
track: Pico Bello
track: Dagdromen
track: Zo Alleen
track: Fundament
track: Diana
track: Interlude
track: Vanuit De Hemel
track: Not Human

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-08T13:54:15+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x2c38d6013a1854057d2409e4eed30aca90970bc580ec2ec0e47d232124b0cff2

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953520

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953520

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/3uOYkcPVL4VU3UVhZXxQ22.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3uOYkcPVL4VU3UVhZXxQ22

OTSTimestamp
type: PropertyValue
value: 2026-06-13T13:32:09Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x2c38d6013a1854057d2409e4eed30aca90970bc580ec2ec0e47d232124b0cff2","isrc":"NLG661100257","name":"Blijven Wij","registered_at":"2026-06-08T13:54:15Z","spotify_id":"3uOYkcPVL4VU3UVhZXxQ22","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c38d6013a1854057d2409e4eed30aca90970bc580ec2ec0e47d232124b0cff2. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3uOYkcPVL4VU3UVhZXxQ22.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3uOYkcPVL4VU3UVhZXxQ22.
date published: 2026-06-13T13:32:09Z
text: {"copyright_id":"0x2c38d6013a1854057d2409e4eed30aca90970bc580ec2ec0e47d232124b0cff2","isrc":"NLG661100257","name":"Blijven Wij","registered_at":"2026-06-08T13:54:15Z","spotify_id":"3uOYkcPVL4VU3UVhZXxQ22","type":"track"}

Moordzaak
type: MusicRecording
duration: PT3M19S
duration ms: 199306
explicit: false
by artist: Kempi
by artist: Alex Roeka
in album: Het Testament Van Zanian Adamus
  type: MusicAlbum
  date published: 2011-01-01
isrc code: NLG661100258

Pico Bello
type: MusicRecording
duration: PT4M15S
duration ms: 255026
explicit: false
by artist: Kempi
by artist: R.Kay
by artist: Sef
in album: Het Testament Van Zanian Adamus
  type: MusicAlbum
  date published: 2011-01-01
isrc code: NLG661100259
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T09:33:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5dd16cf96fbc7bf5168cbe16577b49ca56aad670ab782a5c485ea14157055a76
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954130
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/954130
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6Bwc7lu6l8eNVAzhQ8iI63.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Bwc7lu6l8eNVAzhQ8iI63
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T20:47:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5dd16cf96fbc7bf5168cbe16577b49ca56aad670ab782a5c485ea14157055a76","isrc":"NLG661100259","name":"Pico Bello","registered_at":"2026-06-17T09:33:30Z","spotify_id":"6Bwc7lu6l8eNVAzhQ8iI63","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x5dd16cf96fbc7bf5168cbe16577b49ca56aad670ab782a5c485ea14157055a76. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:47:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Bwc7lu6l8eNVAzhQ8iI63.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Bwc7lu6l8eNVAzhQ8iI63.
  date published: 2026-06-17T20:47:12Z
  text: {"copyright_id":"0x5dd16cf96fbc7bf5168cbe16577b49ca56aad670ab782a5c485ea14157055a76","isrc":"NLG661100259","name":"Pico Bello","registered_at":"2026-06-17T09:33:30Z","spotify_id":"6Bwc7lu6l8eNVAzhQ8iI63","type":"track"}

Dagdromen
type: MusicRecording
duration: PT4M18S
duration ms: 258586
explicit: false
by artist: Kempi
in album: Het Testament Van Zanian Adamus
  type: MusicAlbum
  date published: 2011-01-01
isrc code: NLG661100260
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T13:28:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4c4240d6f56fd767febd39cb46b895bd3fbb8050753a3248e88937af0452a6a5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7xp6ByAqJrQ3ZmC0pMDa51.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7xp6ByAqJrQ3ZmC0pMDa51
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x4c4240d6f56fd767febd39cb46b895bd3fbb8050753a3248e88937af0452a6a5. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7xp6ByAqJrQ3ZmC0pMDa51.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7xp6ByAqJrQ3ZmC0pMDa51.
  date published: 2026-07-02T05:09:12Z

Zo Alleen
type: MusicRecording
duration: PT2M52S
duration ms: 172026
explicit: false
by artist: Kempi
by artist: Damaru
in album: Het Testament Van Zanian Adamus
  type: MusicAlbum
  date published: 2011-01-01
isrc code: NLG661100261
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T12:57:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4a5ca3e6e32ba5f96a5f66e4f65eefa3b1b02f7b11356d184ff6c6ba5b7d03cf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5z87yau4IriGPHlG50elKK.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5z87yau4IriGPHlG50elKK
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4a5ca3e6e32ba5f96a5f66e4f65eefa3b1b02f7b11356d184ff6c6ba5b7d03cf","isrc":"NLG661100261","name":"Zo Alleen","registered_at":"2026-06-22T12:57:58Z","spotify_id":"5z87yau4IriGPHlG50elKK","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x4a5ca3e6e32ba5f96a5f66e4f65eefa3b1b02f7b11356d184ff6c6ba5b7d03cf. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5z87yau4IriGPHlG50elKK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5z87yau4IriGPHlG50elKK.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x4a5ca3e6e32ba5f96a5f66e4f65eefa3b1b02f7b11356d184ff6c6ba5b7d03cf","isrc":"NLG661100261","name":"Zo Alleen","registered_at":"2026-06-22T12:57:58Z","spotify_id":"5z87yau4IriGPHlG50elKK","type":"track"}

Fundament
type: MusicRecording
duration: PT3M23S
duration ms: 203453
explicit: false
by artist: Kempi
by artist: Rocks
by artist: Duvel
in album: Het Testament Van Zanian Adamus
  type: MusicAlbum
  date published: 2011-01-01
isrc code: NLG661100262

Diana
type: MusicRecording
duration: PT2M9S
duration ms: 129520
explicit: false
by artist: Kempi
by artist: Lucky Fonz III
by artist: De Felle Kleuren
in album: Het Testament Van Zanian Adamus
  type: MusicAlbum
  date published: 2011-01-01
isrc code: NLG661100263
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T19:57:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xac258dfff7dc8fbc704643999718953e413b8cc3f50734e037ada328b90b35b4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5DxJsVbkEtCujrJ8R8xAZn.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5DxJsVbkEtCujrJ8R8xAZn
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xac258dfff7dc8fbc704643999718953e413b8cc3f50734e037ada328b90b35b4. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5DxJsVbkEtCujrJ8R8xAZn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5DxJsVbkEtCujrJ8R8xAZn.
  date published: 2026-06-13T17:25:41Z

Interlude
type: MusicRecording
duration: PT1M45S
duration ms: 105773
explicit: false
by artist: Kempi
in album: Het Testament Van Zanian Adamus
  type: MusicAlbum
  date published: 2011-01-01
isrc code: NLG661100264

Vanuit De Hemel
type: MusicRecording
duration: PT3M2S
duration ms: 182213
explicit: false
by artist: Kempi
by artist: Tim Wes
in album: Het Testament Van Zanian Adamus
  type: MusicAlbum
  date published: 2011-01-01
isrc code: NLG661100265

Not Human
type: MusicRecording
duration: PT3M28S
duration ms: 208800
explicit: false
by artist: Kempi
by artist: Keizer
in album: Het Testament Van Zanian Adamus
  type: MusicAlbum
  date published: 2011-01-01
isrc code: NLG661100266
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T11:33:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7ca328a926aa6b33949297741038a50f201ae6852def4eb802c563e7951bd8d4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1R9gZhDZ9edkhoFf0rHOO1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1R9gZhDZ9edkhoFf0rHOO1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7ca328a926aa6b33949297741038a50f201ae6852def4eb802c563e7951bd8d4","isrc":"NLG661100266","name":"Not Human","registered_at":"2026-06-25T11:33:15Z","spotify_id":"1R9gZhDZ9edkhoFf0rHOO1","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x7ca328a926aa6b33949297741038a50f201ae6852def4eb802c563e7951bd8d4. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1R9gZhDZ9edkhoFf0rHOO1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1R9gZhDZ9edkhoFf0rHOO1.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0x7ca328a926aa6b33949297741038a50f201ae6852def4eb802c563e7951bd8d4","isrc":"NLG661100266","name":"Not Human","registered_at":"2026-06-25T11:33:15Z","spotify_id":"1R9gZhDZ9edkhoFf0rHOO1","type":"track"}

Kempi x Drayson Gashi
type: MusicAlbum
date published: 2025-04-25
track: Legendary
  type: MusicRecording
  duration: PT2M4S
  duration ms: 124800
  explicit: false
  by artist: Kempi
  by artist: Drayson Gashi
  in album: Kempi x Drayson Gashi
    type: MusicAlbum
    date published: 2025-04-25
track: Resa Pa Mi
  type: MusicRecording
  duration: PT1M51S
  duration ms: 111428
  explicit: false
  by artist: Kempi
  by artist: Drayson Gashi
  by artist: Rich Kalashh
  in album: Kempi x Drayson Gashi
    type: MusicAlbum
    date published: 2025-04-25
track: Waar Ben Je Heen
  type: MusicRecording
  duration: PT2M8S
  duration ms: 128979
  explicit: false
  by artist: Kempi
  by artist: Drayson Gashi
  by artist: Anishagf
  in album: Kempi x Drayson Gashi
    type: MusicAlbum
    date published: 2025-04-25
track: Never Doen
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177324
  explicit: false
  by artist: Kempi
  by artist: Drayson Gashi
  by artist: Bryan Mg
  in album: Kempi x Drayson Gashi
    type: MusicAlbum
    date published: 2025-04-25
track: Alles Over
  type: MusicRecording
  duration: PT2M32S
  duration ms: 152000
  explicit: false
  by artist: Kempi
  by artist: Drayson Gashi
  by artist: Bryan Mg
  by artist: Latifah
  in album: Kempi x Drayson Gashi
    type: MusicAlbum
    date published: 2025-04-25
track: Je Kent De Vibes
  type: MusicRecording
  duration: PT2M47S
  duration ms: 167619
  explicit: false
  by artist: Kempi
  by artist: Keizer
  by artist: BFLQuatro
  by artist: Drayson Gashi
  by artist: Naro
  by artist: Gladde
  in album: Kempi x Drayson Gashi
    type: MusicAlbum
    date published: 2025-04-25
track: Laden & Lossen
  type: MusicRecording
  duration: PT2M20S
  duration ms: 140769
  explicit: false
  by artist: Kempi
  by artist: Drayson Gashi
  by artist: Bartofso
  in album: Kempi x Drayson Gashi
    type: MusicAlbum
    date published: 2025-04-25
track: Laden & Lossen + Remix
  type: MusicRecording
  duration: PT2M22S
  duration ms: 142153
  explicit: false
  by artist: Kempi
  by artist: Drayson Gashi
  by artist: Reanny
  by artist: Ocho
  in album: Kempi x Drayson Gashi
    type: MusicAlbum
    date published: 2025-04-25
track: Forever
  type: MusicRecording
  duration: PT2M43S
  duration ms: 163200
  explicit: false
  by artist: Kempi
  by artist: Drayson Gashi
  in album: Kempi x Drayson Gashi
    type: MusicAlbum
    date published: 2025-04-25

Ik Moest Man Zijn (Pre Album)
type: MusicAlbum
date published: 2024-12-20
track: Ik Moest Man Zijn
  type: MusicRecording
  duration: PT1M59S
  duration ms: 119289
  explicit: false
  by artist: Kempi
  in album: Ik Moest Man Zijn (Pre Album)
    type: MusicAlbum
    date published: 2024-12-20
  isrc code: QM4TW2324542
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T07:46:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xeafd8b5d174f2230cb06a06a590b9b22bd45002b70c3610dc12d098ea53efa80
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953515
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953515
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4nFPtcZcyMitQA7tYZvgkI.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4nFPtcZcyMitQA7tYZvgkI
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xeafd8b5d174f2230cb06a06a590b9b22bd45002b70c3610dc12d098ea53efa80","isrc":"QM4TW2324542","name":"Ik Moest Man Zijn","registered_at":"2026-06-07T07:46:11Z","spotify_id":"4nFPtcZcyMitQA7tYZvgkI","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xeafd8b5d174f2230cb06a06a590b9b22bd45002b70c3610dc12d098ea53efa80. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4nFPtcZcyMitQA7tYZvgkI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4nFPtcZcyMitQA7tYZvgkI.
    date published: 2026-06-13T12:53:06Z
    text: {"copyright_id":"0xeafd8b5d174f2230cb06a06a590b9b22bd45002b70c3610dc12d098ea53efa80","isrc":"QM4TW2324542","name":"Ik Moest Man Zijn","registered_at":"2026-06-07T07:46:11Z","spotify_id":"4nFPtcZcyMitQA7tYZvgkI","type":"track"}
track: Zondes
  type: MusicRecording
  duration: PT1M44S
  duration ms: 104347
  explicit: false
  by artist: Kempi
  in album: Ik Moest Man Zijn (Pre Album)
    type: MusicAlbum
    date published: 2024-12-20
  isrc code: QMFMF2413367
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T20:33:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7bc65eb639015ba2601473f03beeb85c0025dfbb44ae982ec000609e34dd3bc0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6aLdmUBlX88MlxDtu0RlHw.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6aLdmUBlX88MlxDtu0RlHw
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x7bc65eb639015ba2601473f03beeb85c0025dfbb44ae982ec000609e34dd3bc0. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6aLdmUBlX88MlxDtu0RlHw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6aLdmUBlX88MlxDtu0RlHw.
    date published: 2026-06-13T15:41:10Z
track: Testimony
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173052
  explicit: false
  by artist: Kempi
  in album: Ik Moest Man Zijn (Pre Album)
    type: MusicAlbum
    date published: 2024-12-20
  isrc code: QMFMF2412560
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T17:05:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd51b0f46824584029626e122b3a5af0dc21954cef3487dcba2ccbff0fdaec8d0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/37wbQRLBaVEphyVJ3QUWnj.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/37wbQRLBaVEphyVJ3QUWnj
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xd51b0f46824584029626e122b3a5af0dc21954cef3487dcba2ccbff0fdaec8d0. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/37wbQRLBaVEphyVJ3QUWnj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/37wbQRLBaVEphyVJ3QUWnj.
    date published: 2026-06-13T15:41:10Z
track: Dilara
  type: MusicRecording
  duration: PT2M5S
  duration ms: 125038
  explicit: false
  by artist: Kempi
  in album: Ik Moest Man Zijn (Pre Album)
    type: MusicAlbum
    date published: 2024-12-20
  isrc code: QMDA62420193
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T17:48:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf67810c28ef764555ee1dfc34e21da5192b56d0d703c121e13d79ce851e959ca
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5FXreM0lhkkYdXX8V85J52.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5FXreM0lhkkYdXX8V85J52
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf67810c28ef764555ee1dfc34e21da5192b56d0d703c121e13d79ce851e959ca. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5FXreM0lhkkYdXX8V85J52.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5FXreM0lhkkYdXX8V85J52.
    date published: 2026-06-13T13:32:09Z
track: Pijn Mama
  type: MusicRecording
  duration: PT2M32S
  duration ms: 152145
  explicit: false
  by artist: Kempi
  in album: Ik Moest Man Zijn (Pre Album)
    type: MusicAlbum
    date published: 2024-12-20
  isrc code: QM6N22232555
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T07:48:47+00:00
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Jij Hoort Bij Mij
track: Rij Op De Weg
track: Ik Heb Schijt
track: GTI
track: Kandela Di Amor
track: 9M Beretta
track: Huilend Op De Snelweg
track: Banana
track: Aan Jou Denk
track: Weer Wakker In Du Cel
track: Always On My Mind
track: Slapeloze Nachte
track: Juni's Story (Deel 1)
track: Darling
track: VVS
track: Darling - Bonus Track
track: Tobi

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x1dbfaf4da34236ed1d041f273180382c68da4228b36b6ab1f5e5e92c840be868

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953536

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953536

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/5L5ZYd3QALGk5ENijKhgxF.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5L5ZYd3QALGk5ENijKhgxF

OTSTimestamp
type: PropertyValue
value: 2026-06-13T17:25:41Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x1dbfaf4da34236ed1d041f273180382c68da4228b36b6ab1f5e5e92c840be868","isrc":"QM6N22232555","name":"Pijn Mama","registered_at":"2026-06-07T07:48:47Z","spotify_id":"5L5ZYd3QALGk5ENijKhgxF","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dbfaf4da34236ed1d041f273180382c68da4228b36b6ab1f5e5e92c840be868. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5L5ZYd3QALGk5ENijKhgxF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5L5ZYd3QALGk5ENijKhgxF.
date published: 2026-06-13T17:25:41Z
text: {"copyright_id":"0x1dbfaf4da34236ed1d041f273180382c68da4228b36b6ab1f5e5e92c840be868","isrc":"QM6N22232555","name":"Pijn Mama","registered_at":"2026-06-07T07:48:47Z","spotify_id":"5L5ZYd3QALGk5ENijKhgxF","type":"track"}

Jij Hoort Bij Mij
type: MusicRecording
duration: PT2M24S
duration ms: 144444
explicit: false
by artist: Kempi
by artist: MB
in album: Ik Moest Man Zijn (Pre Album)
  type: MusicAlbum
  date published: 2024-12-20
isrc code: QM4TW2413527
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T13:52:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0b5ff6bf1615ac1afec5d4f8bd4a92d805dd2f4cfffe15883dcfdc5606542705
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7wJVC3FcuIpFVY7fRy011s.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7wJVC3FcuIpFVY7fRy011s
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0b5ff6bf1615ac1afec5d4f8bd4a92d805dd2f4cfffe15883dcfdc5606542705","isrc":"QM4TW2413527","name":"Jij Hoort Bij Mij","registered_at":"2026-06-08T13:52:34Z","spotify_id":"7wJVC3FcuIpFVY7fRy011s","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x0b5ff6bf1615ac1afec5d4f8bd4a92d805dd2f4cfffe15883dcfdc5606542705. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7wJVC3FcuIpFVY7fRy011s.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7wJVC3FcuIpFVY7fRy011s.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x0b5ff6bf1615ac1afec5d4f8bd4a92d805dd2f4cfffe15883dcfdc5606542705","isrc":"QM4TW2413527","name":"Jij Hoort Bij Mij","registered_at":"2026-06-08T13:52:34Z","spotify_id":"7wJVC3FcuIpFVY7fRy011s","type":"track"}

Rij Op De Weg
type: MusicRecording
duration: PT3M49S
duration ms: 229453
explicit: false
by artist: Kempi
by artist: Hef
by artist: Cor
in album: Ik Moest Man Zijn (Pre Album)
  type: MusicAlbum
  date published: 2024-12-20
isrc code: QMDA72174699
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T17:28:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6393c730e9fefae396418f3905a8db175a93a2ae73f4eb9a92d6f2b436ff67cf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6KROsWsK3qDvEBK2fO42Vq.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6KROsWsK3qDvEBK2fO42Vq
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6393c730e9fefae396418f3905a8db175a93a2ae73f4eb9a92d6f2b436ff67cf","isrc":"QMDA72174699","name":"Rij Op De Weg","registered_at":"2026-06-06T17:28:12Z","spotify_id":"6KROsWsK3qDvEBK2fO42Vq","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6393c730e9fefae396418f3905a8db175a93a2ae73f4eb9a92d6f2b436ff67cf. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6KROsWsK3qDvEBK2fO42Vq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6KROsWsK3qDvEBK2fO42Vq.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x6393c730e9fefae396418f3905a8db175a93a2ae73f4eb9a92d6f2b436ff67cf","isrc":"QMDA72174699","name":"Rij Op De Weg","registered_at":"2026-06-06T17:28:12Z","spotify_id":"6KROsWsK3qDvEBK2fO42Vq","type":"track"}

Ik Heb Schijt
type: MusicRecording
duration: PT2M3S
duration ms: 123857
explicit: false
by artist: Kempi
in album: Ik Moest Man Zijn (Pre Album)
  type: MusicAlbum
  date published: 2024-12-20
isrc code: QM4TX2332872
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T22:36:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x740620a914bdc2455dff708575fcdb6f206fa1f50daf238bafadfbf7ce9745a7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7tchQmStj5mENfozT9DroJ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7tchQmStj5mENfozT9DroJ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x740620a914bdc2455dff708575fcdb6f206fa1f50daf238bafadfbf7ce9745a7","isrc":"QM4TX2332872","name":"Ik Heb Schijt","registered_at":"2026-06-08T22:36:30Z","spotify_id":"7tchQmStj5mENfozT9DroJ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x740620a914bdc2455dff708575fcdb6f206fa1f50daf238bafadfbf7ce9745a7. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7tchQmStj5mENfozT9DroJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7tchQmStj5mENfozT9DroJ.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x740620a914bdc2455dff708575fcdb6f206fa1f50daf238bafadfbf7ce9745a7","isrc":"QM4TX2332872","name":"Ik Heb Schijt","registered_at":"2026-06-08T22:36:30Z","spotify_id":"7tchQmStj5mENfozT9DroJ","type":"track"}

GTI
type: MusicRecording
duration: PT2M22S
duration ms: 142000
explicit: false
by artist: Kempi
in album: Ik Moest Man Zijn (Pre Album)
  type: MusicAlbum
  date published: 2024-12-20
isrc code: QMFMF2132300
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T14:47:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfb7758c30b76b3065d04df7e8f842e075f4c78dfc788eccf58625878ac3f646e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1Lkkl4Zi639Obk6fguLYGK.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Lkkl4Zi639Obk6fguLYGK
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xfb7758c30b76b3065d04df7e8f842e075f4c78dfc788eccf58625878ac3f646e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Lkkl4Zi639Obk6fguLYGK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Lkkl4Zi639Obk6fguLYGK.
  date published: 2026-06-13T17:25:41Z

Kandela Di Amor
type: MusicRecording
duration: PT3M33S
duration ms: 213600
explicit: false
by artist: Kempi
by artist: Ori
in album: Ik Moest Man Zijn (Pre Album)
  type: MusicAlbum
  date published: 2024-12-20
isrc code: QM6P42451460
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T08:51:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x74a38d041df462e617cf2b95bff1560e703a508e0938513663d2af1f5bf90cab
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5EMDbLq2U8BqXUSjngS8oL.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5EMDbLq2U8BqXUSjngS8oL
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x74a38d041df462e617cf2b95bff1560e703a508e0938513663d2af1f5bf90cab","isrc":"QM6P42451460","name":"Kandela Di Amor","registered_at":"2026-06-07T08:51:07Z","spotify_id":"5EMDbLq2U8BqXUSjngS8oL","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x74a38d041df462e617cf2b95bff1560e703a508e0938513663d2af1f5bf90cab. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5EMDbLq2U8BqXUSjngS8oL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5EMDbLq2U8BqXUSjngS8oL.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x74a38d041df462e617cf2b95bff1560e703a508e0938513663d2af1f5bf90cab","isrc":"QM6P42451460","name":"Kandela Di Amor","registered_at":"2026-06-07T08:51:07Z","spotify_id":"5EMDbLq2U8BqXUSjngS8oL","type":"track"}

9M Beretta
type: MusicRecording
duration: PT2M35S
duration ms: 155696
explicit: false
by artist: Kempi
by artist: OCS
in album: Ik Moest Man Zijn (Pre Album)
  type: MusicAlbum
  date published: 2024-12-20
isrc code: QMFMG2365492
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T20:24:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4f6c3900910b6cb21bc952c792d9fed91d91f5c7a77a617217caa262f532f9ca
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6MxZ7Sox7m8enwPUUOqnZ2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6MxZ7Sox7m8enwPUUOqnZ2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4f6c3900910b6cb21bc952c792d9fed91d91f5c7a77a617217caa262f532f9ca","isrc":"QMFMG2365492","name":"9M Beretta","registered_at":"2026-06-08T20:24:27Z","spotify_id":"6MxZ7Sox7m8enwPUUOqnZ2","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x4f6c3900910b6cb21bc952c792d9fed91d91f5c7a77a617217caa262f532f9ca. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6MxZ7Sox7m8enwPUUOqnZ2.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6MxZ7Sox7m8enwPUUOqnZ2.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x4f6c3900910b6cb21bc952c792d9fed91d91f5c7a77a617217caa262f532f9ca","isrc":"QMFMG2365492","name":"9M Beretta","registered_at":"2026-06-08T20:24:27Z","spotify_id":"6MxZ7Sox7m8enwPUUOqnZ2","type":"track"}

Huilend Op De Snelweg
type: MusicRecording
duration: PT2M54S
duration ms: 174000
explicit: false
by artist: Kempi
by artist: Boef
in album: Ik Moest Man Zijn (Pre Album)
  type: MusicAlbum
  date published: 2024-12-20
isrc code: QM7282320300
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T07:42:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x38c515487c46c30058e9a9ac084982dd9a6eb09da503f05a63014cd6fc1b27ef
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1zgoK1E5j11w16JBqXTBzq.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1zgoK1E5j11w16JBqXTBzq
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x38c515487c46c30058e9a9ac084982dd9a6eb09da503f05a63014cd6fc1b27ef","isrc":"QM7282320300","name":"Huilend Op De Snelweg","registered_at":"2026-06-09T07:42:15Z","spotify_id":"1zgoK1E5j11w16JBqXTBzq","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x38c515487c46c30058e9a9ac084982dd9a6eb09da503f05a63014cd6fc1b27ef. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1zgoK1E5j11w16JBqXTBzq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1zgoK1E5j11w16JBqXTBzq.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x38c515487c46c30058e9a9ac084982dd9a6eb09da503f05a63014cd6fc1b27ef","isrc":"QM7282320300","name":"Huilend Op De Snelweg","registered_at":"2026-06-09T07:42:15Z","spotify_id":"1zgoK1E5j11w16JBqXTBzq","type":"track"}

Banana
type: MusicRecording
duration: PT1M46S
duration ms: 106615
explicit: false
by artist: Kempi
by artist: Murda
in album: Ik Moest Man Zijn (Pre Album)
  type: MusicAlbum
  date published: 2024-12-20
isrc code: QM4TW2217757
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T17:52:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xec1bde1aa5d71905dac1213d13411c14f7b1a8fab559544785e221119b19a943
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4tT0hsEvITlIC0N0cPyDSE.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4tT0hsEvITlIC0N0cPyDSE
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xec1bde1aa5d71905dac1213d13411c14f7b1a8fab559544785e221119b19a943. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4tT0hsEvITlIC0N0cPyDSE.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4tT0hsEvITlIC0N0cPyDSE.
  date published: 2026-06-13T13:32:09Z

Aan Jou Denk
type: MusicRecording
duration: PT2M41S
duration ms: 161242
explicit: false
by artist: Kempi
in album: Ik Moest Man Zijn (Pre Album)
  type: MusicAlbum
  date published: 2024-12-20
isrc code: QM6N22369896
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T14:26:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe6f66068d81ffdfb0188b75feee66398f9391a93ca039bb492543918e2ecc122
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3CftV6KHf67tRe1h1ZlyJ9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3CftV6KHf67tRe1h1ZlyJ9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe6f66068d81ffdfb0188b75feee66398f9391a93ca039bb492543918e2ecc122","isrc":"QM6N22369896","name":"Aan Jou Denk","registered_at":"2026-06-10T14:26:03Z","spotify_id":"3CftV6KHf67tRe1h1ZlyJ9","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xe6f66068d81ffdfb0188b75feee66398f9391a93ca039bb492543918e2ecc122. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3CftV6KHf67tRe1h1ZlyJ9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3CftV6KHf67tRe1h1ZlyJ9.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xe6f66068d81ffdfb0188b75feee66398f9391a93ca039bb492543918e2ecc122","isrc":"QM6N22369896","name":"Aan Jou Denk","registered_at":"2026-06-10T14:26:03Z","spotify_id":"3CftV6KHf67tRe1h1ZlyJ9","type":"track"}

Weer Wakker In Du Cel
type: MusicRecording
duration: PT2M27S
duration ms: 147346
explicit: false
by artist: Kempi
by artist: JoeyAK
in album: Ik Moest Man Zijn (Pre Album)
  type: MusicAlbum
  date published: 2024-12-20
isrc code: QMFME2262782
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T12:21:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9a56844178c887e95c838c8f2df8aab2c811bfce4ea28c427229c80c331e6d0a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7pvxJrJfVG3Oh1sHHA7oAh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7pvxJrJfVG3Oh1sHHA7oAh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9a56844178c887e95c838c8f2df8aab2c811bfce4ea28c427229c80c331e6d0a","isrc":"QMFME2262782","name":"Weer Wakker In Du Cel","registered_at":"2026-06-06T12:21:35Z","spotify_id":"7pvxJrJfVG3Oh1sHHA7oAh","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9a56844178c887e95c838c8f2df8aab2c811bfce4ea28c427229c80c331e6d0a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7pvxJrJfVG3Oh1sHHA7oAh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7pvxJrJfVG3Oh1sHHA7oAh.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x9a56844178c887e95c838c8f2df8aab2c811bfce4ea28c427229c80c331e6d0a","isrc":"QMFME2262782","name":"Weer Wakker In Du Cel","registered_at":"2026-06-06T12:21:35Z","spotify_id":"7pvxJrJfVG3Oh1sHHA7oAh","type":"track"}

Always On My Mind
type: MusicRecording
duration: PT2M41S
duration ms: 161454
explicit: false
by artist: Kempi
in album: Ik Moest Man Zijn (Pre Album)
  type: MusicAlbum
  date published: 2024-12-20
isrc code: QMFME2489612
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T17:54:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6287007f4b37eacdcae0c57bdbf62fccda3f5e975add37160ee231ec5332b931
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4IlzOHSoWHVBDBpGHUeYwU.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4IlzOHSoWHVBDBpGHUeYwU
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6287007f4b37eacdcae0c57bdbf62fccda3f5e975add37160ee231ec5332b931","isrc":"QMFME2489612","name":"Always On My Mind","registered_at":"2026-06-10T17:54:29Z","spotify_id":"4IlzOHSoWHVBDBpGHUeYwU","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6287007f4b37eacdcae0c57bdbf62fccda3f5e975add37160ee231ec5332b931. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4IlzOHSoWHVBDBpGHUeYwU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4IlzOHSoWHVBDBpGHUeYwU.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x6287007f4b37eacdcae0c57bdbf62fccda3f5e975add37160ee231ec5332b931","isrc":"QMFME2489612","name":"Always On My Mind","registered_at":"2026-06-10T17:54:29Z","spotify_id":"4IlzOHSoWHVBDBpGHUeYwU","type":"track"}

Slapeloze Nachte
type: MusicRecording
duration: PT2M47S
duration ms: 167741
explicit: false
by artist: Kempi
in album: Ik Moest Man Zijn (Pre Album)
  type: MusicAlbum
  date published: 2024-12-20
isrc code: QMFMF2429276
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T03:42:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0e853a0c222237b0ac7d552092927e37c46f347b2ba6af61bd84fea4e7db3a95
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1SQdmdYeu45TRfQ4Lx9KQw.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1SQdmdYeu45TRfQ4Lx9KQw
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0e853a0c222237b0ac7d552092927e37c46f347b2ba6af61bd84fea4e7db3a95","isrc":"QMFMF2429276","name":"Slapeloze Nachte","registered_at":"2026-06-08T03:42:36Z","spotify_id":"1SQdmdYeu45TRfQ4Lx9KQw","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x0e853a0c222237b0ac7d552092927e37c46f347b2ba6af61bd84fea4e7db3a95. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1SQdmdYeu45TRfQ4Lx9KQw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1SQdmdYeu45TRfQ4Lx9KQw.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x0e853a0c222237b0ac7d552092927e37c46f347b2ba6af61bd84fea4e7db3a95","isrc":"QMFMF2429276","name":"Slapeloze Nachte","registered_at":"2026-06-08T03:42:36Z","spotify_id":"1SQdmdYeu45TRfQ4Lx9KQw","type":"track"}

Juni's Story (Deel 1)
type: MusicRecording
duration: PT2M46S
duration ms: 166829
explicit: false
by artist: Kempi
in album: Ik Moest Man Zijn (Pre Album)
  type: MusicAlbum
  date published: 2024-12-20
isrc code: QMFMF2412578
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T20:22:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4f797f3ae3d5d77fbe0fb54d33558ca31f77a7b0bb9576964b96efb21082bf92
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0auLX5P36M2ANTptANaNLf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0auLX5P36M2ANTptANaNLf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4f797f3ae3d5d77fbe0fb54d33558ca31f77a7b0bb9576964b96efb21082bf92","isrc":"QMFMF2412578","name":"Juni's Story (Deel 1)","registered_at":"2026-06-08T20:22:31Z","spotify_id":"0auLX5P36M2ANTptANaNLf","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x4f797f3ae3d5d77fbe0fb54d33558ca31f77a7b0bb9576964b96efb21082bf92. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0auLX5P36M2ANTptANaNLf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0auLX5P36M2ANTptANaNLf.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x4f797f3ae3d5d77fbe0fb54d33558ca31f77a7b0bb9576964b96efb21082bf92","isrc":"QMFMF2412578","name":"Juni's Story (Deel 1)","registered_at":"2026-06-08T20:22:31Z","spotify_id":"0auLX5P36M2ANTptANaNLf","type":"track"}

Darling
type: MusicRecording
duration: PT3M0S
duration ms: 180000
explicit: false
by artist: Kempi
by artist: Drayson Gashi
in album: Ik Moest Man Zijn (Pre Album)
  type: MusicAlbum
  date published: 2024-12-20
isrc code: QM4TW2252973
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T20:28:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa2b5a5da7938fcdc90451bf5218edaca194c70fe764a749e2fe1a6410842876f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7BkFV9bzo1oBLUaPhksXCW.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7BkFV9bzo1oBLUaPhksXCW
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa2b5a5da7938fcdc90451bf5218edaca194c70fe764a749e2fe1a6410842876f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7BkFV9bzo1oBLUaPhksXCW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7BkFV9bzo1oBLUaPhksXCW.
  date published: 2026-06-13T15:41:10Z

VVS
type: MusicRecording
duration: PT3M15S
duration ms: 195616
explicit: false
by artist: Kempi
by artist: Vic9
in album: Ik Moest Man Zijn (Pre Album)
  type: MusicAlbum
  date published: 2024-12-20
isrc code: QMFMF2412581
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T12:21:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2602970c08bc2d0256edf1f3a964873192ad021d07031c01e9ce31771835e11e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6HLiUaANxG9xOe7IVED4Dh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6HLiUaANxG9xOe7IVED4Dh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x2602970c08bc2d0256edf1f3a964873192ad021d07031c01e9ce31771835e11e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6HLiUaANxG9xOe7IVED4Dh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6HLiUaANxG9xOe7IVED4Dh.
  date published: 2026-06-13T13:32:09Z

Darling - Bonus Track
type: MusicRecording
duration: PT3M1S
duration ms: 181500
explicit: false
by artist: Kempi
by artist: Latifah
in album: Ik Moest Man Zijn (Pre Album)
  type: MusicAlbum
  date published: 2024-12-20
isrc code: QM4TX2202260
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T04:15:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2c974b4777a17896db8ff075bb5f295e591102fe54915d9d9ca4e821c03ff024
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/27JoAdJ155Nht3RFkOI2Oz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/27JoAdJ155Nht3RFkOI2Oz
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2c974b4777a17896db8ff075bb5f295e591102fe54915d9d9ca4e821c03ff024","isrc":"QM4TX2202260","name":"Darling - Bonus Track","registered_at":"2026-06-10T04:15:39Z","spotify_id":"27JoAdJ155Nht3RFkOI2Oz","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x2c974b4777a17896db8ff075bb5f295e591102fe54915d9d9ca4e821c03ff024. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/27JoAdJ155Nht3RFkOI2Oz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/27JoAdJ155Nht3RFkOI2Oz.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x2c974b4777a17896db8ff075bb5f295e591102fe54915d9d9ca4e821c03ff024","isrc":"QM4TX2202260","name":"Darling - Bonus Track","registered_at":"2026-06-10T04:15:39Z","spotify_id":"27JoAdJ155Nht3RFkOI2Oz","type":"track"}

Tobi
type: MusicRecording
duration: PT3M18S
duration ms: 198367
explicit: false
by artist: Kempi
in album: Ik Moest Man Zijn (Pre Album)
  type: MusicAlbum
  date published: 2024-12-20
isrc code: QM4TX2305293
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T17:52:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x04a32b5c88c72869fd3f2307b0c4774fbcb836cbce6e766ba0c4edf44ba25b47
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4ChrzMNwpMsU2FMkM2eWJv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4ChrzMNwpMsU2FMkM2eWJv
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x04a32b5c88c72869fd3f2307b0c4774fbcb836cbce6e766ba0c4edf44ba25b47. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4ChrzMNwpMsU2FMkM2eWJv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4ChrzMNwpMsU2FMkM2eWJv.
  date published: 2026-06-13T13:32:09Z

Oompie Keke
type: MusicAlbum
date published: 2019-04-24
track: Nu Ben Ik
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171847
  explicit: false
  by artist: Kempi
  in album: Oompie Keke
    type: MusicAlbum
    date published: 2019-04-24
  isrc code: NLG661900322
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-26T00:29:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x00c212e70c51b99295d66d1eee6abc3b36066736445a3738e4f82d24a3087ad5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956349
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956349
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/21fOfu5tyMjuWaIEfdkBTS.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/21fOfu5tyMjuWaIEfdkBTS
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:34:59Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x00c212e70c51b99295d66d1eee6abc3b36066736445a3738e4f82d24a3087ad5","isrc":"NLG661900322","name":"Nu Ben Ik","registered_at":"2026-06-26T00:29:23Z","spotify_id":"21fOfu5tyMjuWaIEfdkBTS","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x00c212e70c51b99295d66d1eee6abc3b36066736445a3738e4f82d24a3087ad5. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/21fOfu5tyMjuWaIEfdkBTS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/21fOfu5tyMjuWaIEfdkBTS.
    date published: 2026-07-02T11:34:59Z
    text: {"copyright_id":"0x00c212e70c51b99295d66d1eee6abc3b36066736445a3738e4f82d24a3087ad5","isrc":"NLG661900322","name":"Nu Ben Ik","registered_at":"2026-06-26T00:29:23Z","spotify_id":"21fOfu5tyMjuWaIEfdkBTS","type":"track"}
track: Legend
  type: MusicRecording
  duration: PT2M21S
  duration ms: 141779
  explicit: false
  by artist: Kempi
  in album: Oompie Keke
    type: MusicAlbum
    date published: 2019-04-24
  isrc code: NLG661900323
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T06:41:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc1ac0f38e0826bb5a421883907418ed70713bf7a26b5e22d48406c2d04883824
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1BcnZMFZvXGOypnRyzlxMC.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1BcnZMFZvXGOypnRyzlxMC
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xc1ac0f38e0826bb5a421883907418ed70713bf7a26b5e22d48406c2d04883824. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1BcnZMFZvXGOypnRyzlxMC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1BcnZMFZvXGOypnRyzlxMC.
    date published: 2026-07-02T05:09:12Z
track: Oompie Keke
  type: MusicRecording
  duration: PT5M17S
  duration ms: 317561
  explicit: false
  by artist: Kempi
  by artist: E. Girigori
  by artist: Jermaine Niffer
  in album: Oompie Keke
    type: MusicAlbum
    date published: 2019-04-24
  isrc code: NLG661900328
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T13:41:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0ab3ee3fc0bfb99f5715489a0f2768df30b95270461d00b957c952a80c9234be
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0wfbSSuvfz6yrwvdW3UaQc.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0wfbSSuvfz6yrwvdW3UaQc
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0ab3ee3fc0bfb99f5715489a0f2768df30b95270461d00b957c952a80c9234be","isrc":"NLG661900328","name":"Oompie Keke","registered_at":"2026-06-19T13:41:31Z","spotify_id":"0wfbSSuvfz6yrwvdW3UaQc","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x0ab3ee3fc0bfb99f5715489a0f2768df30b95270461d00b957c952a80c9234be. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0wfbSSuvfz6yrwvdW3UaQc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0wfbSSuvfz6yrwvdW3UaQc.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x0ab3ee3fc0bfb99f5715489a0f2768df30b95270461d00b957c952a80c9234be","isrc":"NLG661900328","name":"Oompie Keke","registered_at":"2026-06-19T13:41:31Z","spotify_id":"0wfbSSuvfz6yrwvdW3UaQc","type":"track"}
track: Koning Zonder Paleis
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187494
  explicit: false
  by artist: Kempi
  by artist: Flori del Pino
  in album: Oompie Keke
    type: MusicAlbum
    date published: 2019-04-24
  isrc code: NLG661900329
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T10:08:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5f4a6c12c0d9e9693802050ff9e9d65d20f5b620e82333bd7b1a7b481d631646
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5bGUUvFuOUsVx2ViYoqjf9.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5bGUUvFuOUsVx2ViYoqjf9
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5f4a6c12c0d9e9693802050ff9e9d65d20f5b620e82333bd7b1a7b481d631646","isrc":"NLG661900329","name":"Koning Zonder Paleis","registered_at":"2026-06-20T10:08:31Z","spotify_id":"5bGUUvFuOUsVx2ViYoqjf9","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x5f4a6c12c0d9e9693802050ff9e9d65d20f5b620e82333bd7b1a7b481d631646. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5bGUUvFuOUsVx2ViYoqjf9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5bGUUvFuOUsVx2ViYoqjf9.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x5f4a6c12c0d9e9693802050ff9e9d65d20f5b620e82333bd7b1a7b481d631646","isrc":"NLG661900329","name":"Koning Zonder Paleis","registered_at":"2026-06-20T10:08:31Z","spotify_id":"5bGUUvFuOUsVx2ViYoqjf9","type":"track"}
track: Terug Naar Toen
  type: MusicRecording
  duration: PT3M55S
  duration ms: 235705
  explicit: false
  by artist: Kempi
  by artist: Kris Salvathore
  in album: Oompie Keke
  isrc code: NLG661900224
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Morgen Is Niet Beloofd
track: Koude Wereld
track: Sta Mij Bij
track: Zorgen
track: Te Lang Gewacht - Interlude
track: Never Van Mij
track: No Love
track: Levenslang
track: Shine On Me
track: 03:15
track: Naar Boven
track: Blacka Emoties
track: Brief Aan Kees #3

Oompie Keke
type: MusicAlbum
date published: 2019-04-24

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-06T17:59:43+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x9b32b5a3792b988ef7d78efd7c288a5a2446167b4cc5ea85892f553cdd8969c5

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953528

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953528

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/4FwuJdQQXaLUwFeWXYb1KJ.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4FwuJdQQXaLUwFeWXYb1KJ

OTSTimestamp
type: PropertyValue
value: 2026-06-13T15:41:10Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x9b32b5a3792b988ef7d78efd7c288a5a2446167b4cc5ea85892f553cdd8969c5","isrc":"NLG661900224","name":"Terug Naar Toen","registered_at":"2026-06-06T17:59:43Z","spotify_id":"4FwuJdQQXaLUwFeWXYb1KJ","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b32b5a3792b988ef7d78efd7c288a5a2446167b4cc5ea85892f553cdd8969c5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4FwuJdQQXaLUwFeWXYb1KJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4FwuJdQQXaLUwFeWXYb1KJ.
date published: 2026-06-13T15:41:10Z
text: {"copyright_id":"0x9b32b5a3792b988ef7d78efd7c288a5a2446167b4cc5ea85892f553cdd8969c5","isrc":"NLG661900224","name":"Terug Naar Toen","registered_at":"2026-06-06T17:59:43Z","spotify_id":"4FwuJdQQXaLUwFeWXYb1KJ","type":"track"}

Morgen Is Niet Beloofd
type: MusicRecording
duration: PT3M22S
duration ms: 202389
explicit: false
by artist: Kempi
in album: Oompie Keke
  type: MusicAlbum
  date published: 2019-04-24
isrc code: NLG661900324
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T21:09:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5de052b78bde79281a70fe036948f61afad2ac76debd693e6bb8e09bed7a34bc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4yWFajiA7d3vvPLF6abiQf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4yWFajiA7d3vvPLF6abiQf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5de052b78bde79281a70fe036948f61afad2ac76debd693e6bb8e09bed7a34bc","isrc":"NLG661900324","name":"Morgen Is Niet Beloofd","registered_at":"2026-06-08T21:09:11Z","spotify_id":"4yWFajiA7d3vvPLF6abiQf","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x5de052b78bde79281a70fe036948f61afad2ac76debd693e6bb8e09bed7a34bc. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4yWFajiA7d3vvPLF6abiQf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4yWFajiA7d3vvPLF6abiQf.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x5de052b78bde79281a70fe036948f61afad2ac76debd693e6bb8e09bed7a34bc","isrc":"NLG661900324","name":"Morgen Is Niet Beloofd","registered_at":"2026-06-08T21:09:11Z","spotify_id":"4yWFajiA7d3vvPLF6abiQf","type":"track"}

Koude Wereld
type: MusicRecording
duration: PT2M50S
duration ms: 170589
explicit: false
by artist: Kempi
by artist: Winne
in album: Oompie Keke
  type: MusicAlbum
  date published: 2019-04-24
isrc code: NLG661900330
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T08:29:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa78bf7ebf6339937f41103b9e621435c0ee02f64e9ccb9450071a480f6f8cacb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/04LULaZEvHQ9kykJQXQ4OR.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/04LULaZEvHQ9kykJQXQ4OR
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa78bf7ebf6339937f41103b9e621435c0ee02f64e9ccb9450071a480f6f8cacb","isrc":"NLG661900330","name":"Koude Wereld","registered_at":"2026-06-20T08:29:09Z","spotify_id":"04LULaZEvHQ9kykJQXQ4OR","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa78bf7ebf6339937f41103b9e621435c0ee02f64e9ccb9450071a480f6f8cacb. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/04LULaZEvHQ9kykJQXQ4OR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/04LULaZEvHQ9kykJQXQ4OR.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xa78bf7ebf6339937f41103b9e621435c0ee02f64e9ccb9450071a480f6f8cacb","isrc":"NLG661900330","name":"Koude Wereld","registered_at":"2026-06-20T08:29:09Z","spotify_id":"04LULaZEvHQ9kykJQXQ4OR","type":"track"}

Sta Mij Bij
type: MusicRecording
duration: PT2M19S
duration ms: 139238
explicit: false
by artist: Kempi
by artist: Flori del Pino
in album: Oompie Keke
  type: MusicAlbum
  date published: 2019-04-24
isrc code: NLG661900331
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T08:40:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x17efe215cb7f1f63ef645581e5fdc8261c26ad53a809943003b2fbf6791a611b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0DPRW0mtQdZgJ8Xb5I6vsw.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0DPRW0mtQdZgJ8Xb5I6vsw
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x17efe215cb7f1f63ef645581e5fdc8261c26ad53a809943003b2fbf6791a611b","isrc":"NLG661900331","name":"Sta Mij Bij","registered_at":"2026-06-23T08:40:57Z","spotify_id":"0DPRW0mtQdZgJ8Xb5I6vsw","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x17efe215cb7f1f63ef645581e5fdc8261c26ad53a809943003b2fbf6791a611b. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0DPRW0mtQdZgJ8Xb5I6vsw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0DPRW0mtQdZgJ8Xb5I6vsw.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x17efe215cb7f1f63ef645581e5fdc8261c26ad53a809943003b2fbf6791a611b","isrc":"NLG661900331","name":"Sta Mij Bij","registered_at":"2026-06-23T08:40:57Z","spotify_id":"0DPRW0mtQdZgJ8Xb5I6vsw","type":"track"}

Zorgen
type: MusicRecording
duration: PT3M2S
duration ms: 182900
explicit: false
by artist: Kempi
by artist: Scovic
in album: Oompie Keke
  type: MusicAlbum
  date published: 2019-04-24
isrc code: NLG661900332
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T16:31:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x10f284c6bebecee99f47907d57dfc0e222d00ac5279c611e30956dcb1aa096b5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7xyvX7mnIbkYkn2iFinhGo.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7xyvX7mnIbkYkn2iFinhGo
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x10f284c6bebecee99f47907d57dfc0e222d00ac5279c611e30956dcb1aa096b5. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7xyvX7mnIbkYkn2iFinhGo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7xyvX7mnIbkYkn2iFinhGo.
  date published: 2026-07-02T05:09:12Z

Te Lang Gewacht - Interlude
type: MusicRecording
duration: PT1M23S
duration ms: 83956
explicit: false
by artist: Kempi
by artist: Gianski
in album: Oompie Keke
  type: MusicAlbum
  date published: 2019-04-24
isrc code: NLG661900333

Never Van Mij
type: MusicRecording
duration: PT2M22S
duration ms: 142096
explicit: false
by artist: Kempi
by artist: Melissa Lopes
in album: Oompie Keke
  type: MusicAlbum
  date published: 2019-04-24
isrc code: NLG661900334
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T04:39:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa8033ba2b023445f68a6b7384a329b40dd35e791010ed6769217b07827c96d44
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1qhBwgyl8vxDtLnF5Hemkq.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1qhBwgyl8vxDtLnF5Hemkq
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa8033ba2b023445f68a6b7384a329b40dd35e791010ed6769217b07827c96d44","isrc":"NLG661900334","name":"Never Van Mij","registered_at":"2026-06-22T04:39:23Z","spotify_id":"1qhBwgyl8vxDtLnF5Hemkq","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa8033ba2b023445f68a6b7384a329b40dd35e791010ed6769217b07827c96d44. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1qhBwgyl8vxDtLnF5Hemkq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1qhBwgyl8vxDtLnF5Hemkq.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xa8033ba2b023445f68a6b7384a329b40dd35e791010ed6769217b07827c96d44","isrc":"NLG661900334","name":"Never Van Mij","registered_at":"2026-06-22T04:39:23Z","spotify_id":"1qhBwgyl8vxDtLnF5Hemkq","type":"track"}

No Love
type: MusicRecording
duration: PT3M43S
duration ms: 223138
explicit: false
by artist: Kempi
by artist: Anouk
in album: Oompie Keke
  type: MusicAlbum
  date published: 2019-04-24
isrc code: NLG661800296
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T04:40:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6c2f4a462e7e173d319a5605511482bdb1809e00f9ed7674861e60e1b285288d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0NDEHstGl9GcCBHAzLOqHy.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0NDEHstGl9GcCBHAzLOqHy
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6c2f4a462e7e173d319a5605511482bdb1809e00f9ed7674861e60e1b285288d","isrc":"NLG661800296","name":"No Love","registered_at":"2026-06-22T04:40:53Z","spotify_id":"0NDEHstGl9GcCBHAzLOqHy","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6c2f4a462e7e173d319a5605511482bdb1809e00f9ed7674861e60e1b285288d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0NDEHstGl9GcCBHAzLOqHy.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0NDEHstGl9GcCBHAzLOqHy.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x6c2f4a462e7e173d319a5605511482bdb1809e00f9ed7674861e60e1b285288d","isrc":"NLG661800296","name":"No Love","registered_at":"2026-06-22T04:40:53Z","spotify_id":"0NDEHstGl9GcCBHAzLOqHy","type":"track"}

Levenslang
type: MusicRecording
duration: PT3M34S
duration ms: 214602
explicit: false
by artist: Kempi
by artist: Wende
in album: Oompie Keke
  type: MusicAlbum
  date published: 2019-04-24
isrc code: NLG661900335
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T16:30:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x23dd721bfff1158bf1bbad0ad8a20ab0ecbdd8db34c02ade6199ffbc31375107
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7hO3qETyh2Z2dTSFgqhkYm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7hO3qETyh2Z2dTSFgqhkYm
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x23dd721bfff1158bf1bbad0ad8a20ab0ecbdd8db34c02ade6199ffbc31375107. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7hO3qETyh2Z2dTSFgqhkYm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7hO3qETyh2Z2dTSFgqhkYm.
  date published: 2026-07-02T05:09:12Z

Shine On Me
type: MusicRecording
duration: PT1M46S
duration ms: 106748
explicit: false
by artist: Kempi
in album: Oompie Keke
  type: MusicAlbum
  date published: 2019-04-24
isrc code: NLG661900195
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T18:05:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x09cf06b6d28ac5e8d502cf0245e3fccea95943f43dd9a582f2e6aff463defcb3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/20oa2xGYOFJvi4DOF8ryxX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/20oa2xGYOFJvi4DOF8ryxX
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x09cf06b6d28ac5e8d502cf0245e3fccea95943f43dd9a582f2e6aff463defcb3","isrc":"NLG661900195","name":"Shine On Me","registered_at":"2026-06-18T18:05:27Z","spotify_id":"20oa2xGYOFJvi4DOF8ryxX","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x09cf06b6d28ac5e8d502cf0245e3fccea95943f43dd9a582f2e6aff463defcb3. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/20oa2xGYOFJvi4DOF8ryxX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/20oa2xGYOFJvi4DOF8ryxX.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x09cf06b6d28ac5e8d502cf0245e3fccea95943f43dd9a582f2e6aff463defcb3","isrc":"NLG661900195","name":"Shine On Me","registered_at":"2026-06-18T18:05:27Z","spotify_id":"20oa2xGYOFJvi4DOF8ryxX","type":"track"}

03:15
type: MusicRecording
duration: PT2M26S
duration ms: 146926
explicit: false
by artist: Kempi
by artist: Jessy Yasmeen
in album: Oompie Keke
  type: MusicAlbum
  date published: 2019-04-24
isrc code: NLG661900336
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T13:45:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2d2d5301b41cc3694120deb49ec4a1091e02ac5eb0a7e6329a5fe3dbf5845619
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5B5NzSeARcBFqkLt2snfh4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5B5NzSeARcBFqkLt2snfh4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x2d2d5301b41cc3694120deb49ec4a1091e02ac5eb0a7e6329a5fe3dbf5845619. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5B5NzSeARcBFqkLt2snfh4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5B5NzSeARcBFqkLt2snfh4.
  date published: 2026-07-02T03:30:09Z

Naar Boven
type: MusicRecording
duration: PT1M44S
duration ms: 104223
explicit: false
by artist: Kempi
in album: Oompie Keke
  type: MusicAlbum
  date published: 2019-04-24
isrc code: NLG661900325

Blacka Emoties
type: MusicRecording
duration: PT2M44S
duration ms: 164187
explicit: false
by artist: Kempi
in album: Oompie Keke
  type: MusicAlbum
  date published: 2019-04-24
isrc code: NLG661900326
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T09:09:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0120272fb6217141092b00aa5cc1ce717933b43c90f325351176a0218252d4b4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3GTc97A3AruaqPQbtZPJf6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3GTc97A3AruaqPQbtZPJf6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0120272fb6217141092b00aa5cc1ce717933b43c90f325351176a0218252d4b4","isrc":"NLG661900326","name":"Blacka Emoties","registered_at":"2026-06-25T09:09:12Z","spotify_id":"3GTc97A3AruaqPQbtZPJf6","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x0120272fb6217141092b00aa5cc1ce717933b43c90f325351176a0218252d4b4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3GTc97A3AruaqPQbtZPJf6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3GTc97A3AruaqPQbtZPJf6.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x0120272fb6217141092b00aa5cc1ce717933b43c90f325351176a0218252d4b4","isrc":"NLG661900326","name":"Blacka Emoties","registered_at":"2026-06-25T09:09:12Z","spotify_id":"3GTc97A3AruaqPQbtZPJf6","type":"track"}

Brief Aan Kees #3
type: MusicRecording
duration: PT3M54S
duration ms: 234097
explicit: false
by artist: Kempi
in album: Oompie Keke
  type: MusicAlbum
  date published: 2019-04-24
isrc code: NLG661900327
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T08:31:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x598b3e3965034f8f2b3c9e3e1777f2f6ac3438399b60aa00d5b233e42ce28289
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7rIYH65lOIq7Bwkth5nY6q.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7rIYH65lOIq7Bwkth5nY6q
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x598b3e3965034f8f2b3c9e3e1777f2f6ac3438399b60aa00d5b233e42ce28289","isrc":"NLG661900327","name":"Brief Aan Kees #3","registered_at":"2026-06-20T08:31:19Z","spotify_id":"7rIYH65lOIq7Bwkth5nY6q","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x598b3e3965034f8f2b3c9e3e1777f2f6ac3438399b60aa00d5b233e42ce28289. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7rIYH65lOIq7Bwkth5nY6q.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7rIYH65lOIq7Bwkth5nY6q.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x598b3e3965034f8f2b3c9e3e1777f2f6ac3438399b60aa00d5b233e42ce28289","isrc":"NLG661900327","name":"Brief Aan Kees #3","registered_at":"2026-06-20T08:31:19Z","spotify_id":"7rIYH65lOIq7Bwkth5nY6q","type":"track"}

CuraSaus
type: MusicAlbum
date published: 2018-12-21
track: Lovers Juice
  type: MusicRecording
  duration: PT3M25S
  duration ms: 205000
  explicit: false
  by artist: Kempi
  by artist: Zyon
  by artist: Enmeris
  by artist: Mason
  in album: CuraSaus
    type: MusicAlbum
    date published: 2018-12-21
  isrc code: NLH211800122
track: Keda Serka Mi
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194000
  explicit: false
  by artist: Kempi
  by artist: Mason
  by artist: Zyon
  by artist: Chris Strick
  in album: CuraSaus
    type: MusicAlbum
    date published: 2018-12-21
  isrc code: NLH211800123
track: Kadena
  type: MusicRecording
  duration: PT2M32S
  duration ms: 152000
  explicit: false
  by artist: Kempi
  by artist: Grif
  by artist: Ace
  in album: CuraSaus
    type: MusicAlbum
    date published: 2018-12-21
  isrc code: NLH211800124
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T14:13:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd5dd8cff0fe1dee1bd58c80816f673cd2e6518c4f06cef37b0f04d4f0e71fea0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7xcboUiBXUHVaLF4Ped5Kc.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7xcboUiBXUHVaLF4Ped5Kc
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xd5dd8cff0fe1dee1bd58c80816f673cd2e6518c4f06cef37b0f04d4f0e71fea0. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7xcboUiBXUHVaLF4Ped5Kc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7xcboUiBXUHVaLF4Ped5Kc.
    date published: 2026-07-02T05:09:12Z
track: Bendishon
  type: MusicRecording
  duration: PT2M14S
  duration ms: 134137
  explicit: false
  by artist: Kempi
  by artist: Mason
  in album: CuraSaus
    type: MusicAlbum
    date published: 2018-12-21
  isrc code: NLH211800120
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T07:01:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x14e081e206668377b73dfc7edea0512235b6be4a327b1f0c46f159d9470f1bc1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7Mv8SWQplc6psmirYLMp8n.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7Mv8SWQplc6psmirYLMp8n
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x14e081e206668377b73dfc7edea0512235b6be4a327b1f0c46f159d9470f1bc1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7Mv8SWQplc6psmirYLMp8n.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7Mv8SWQplc6psmirYLMp8n.
    date published: 2026-07-02T03:55:08Z
track: CuraSaus
  type: MusicRecording
  duration: PT2M13S
  duration ms: 133000
  explicit: false
  by artist: Kempi
  by artist: Fernando Halman
  in album: CuraSaus
    type: MusicAlbum
    date published: 2018-12-21
  isrc code: NLH211800092
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T07:14:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe6db7263b463866738528a83ae0a076f55cccb5378fb9ad1a6470aa18b4f3ab3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0fOM5t6sheisBSb2mqkWwK.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0fOM5t6sheisBSb2mqkWwK
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xe6db7263b463866738528a83ae0a076f55cccb5378fb9ad1a6470aa18b4f3ab3. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0fOM5t6sheisBSb2mqkWwK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0fOM5t6sheisBSb2mqkWwK.
    date published: 2026-07-02T05:09:12Z
track: Ik Heb Haar Gezegd
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201500
  explicit: false
  by artist: Kempi
  by artist: Shour
  by artist: Zyon
  in album: CuraSaus
    type: MusicAlbum
    date published: 2018-12-21
  isrc code: NLH211800125
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T07:27:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe0c10ce8eab0369e5cc60e0a19c926f8be7ec3926f3a39989cefbb3702c25d1a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5ok89AAkuk1n3tV3FGNh7P.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5ok89AAkuk1n3tV3FGNh7P
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Verdoofd
track: Voor Jou
track: Answers
track: Mooi Meisje
track: Aruba
track: Rechter Gaf Me Tayas
track: Pum Pum
track: Internaat

OTSTimestamp
type: PropertyValue
value: 2026-07-02T05:09:12Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xe0c10ce8eab0369e5cc60e0a19c926f8be7ec3926f3a39989cefbb3702c25d1a","isrc":"NLH211800125","name":"Ik Heb Haar Gezegd","registered_at":"2026-06-23T07:27:16Z","spotify_id":"5ok89AAkuk1n3tV3FGNh7P","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0c10ce8eab0369e5cc60e0a19c926f8be7ec3926f3a39989cefbb3702c25d1a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5ok89AAkuk1n3tV3FGNh7P.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5ok89AAkuk1n3tV3FGNh7P.
date published: 2026-07-02T05:09:12Z
text: {"copyright_id":"0xe0c10ce8eab0369e5cc60e0a19c926f8be7ec3926f3a39989cefbb3702c25d1a","isrc":"NLH211800125","name":"Ik Heb Haar Gezegd","registered_at":"2026-06-23T07:27:16Z","spotify_id":"5ok89AAkuk1n3tV3FGNh7P","type":"track"}

Verdoofd
type: MusicRecording
duration: PT2M38S
duration ms: 158374
explicit: false
by artist: Kempi
by artist: Figo Gang
by artist: Flori del Pino
in album: CuraSaus
  type: MusicAlbum
  date published: 2018-12-21
isrc code: NLH211800126

Voor Jou
type: MusicRecording
duration: PT2M4S
duration ms: 124765
explicit: false
by artist: Kempi
by artist: Flori del Pino
in album: CuraSaus
  type: MusicAlbum
  date published: 2018-12-21
isrc code: NLH211800129
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T12:31:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x05f2396a735523435b1d0a16e9484c8c3e2402dbbd9e423902a886292ef480e0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/76UdOoV0cAqtNrzFFCqq1q.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/76UdOoV0cAqtNrzFFCqq1q
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x05f2396a735523435b1d0a16e9484c8c3e2402dbbd9e423902a886292ef480e0","isrc":"NLH211800129","name":"Voor Jou","registered_at":"2026-06-08T12:31:17Z","spotify_id":"76UdOoV0cAqtNrzFFCqq1q","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x05f2396a735523435b1d0a16e9484c8c3e2402dbbd9e423902a886292ef480e0. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/76UdOoV0cAqtNrzFFCqq1q.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/76UdOoV0cAqtNrzFFCqq1q.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x05f2396a735523435b1d0a16e9484c8c3e2402dbbd9e423902a886292ef480e0","isrc":"NLH211800129","name":"Voor Jou","registered_at":"2026-06-08T12:31:17Z","spotify_id":"76UdOoV0cAqtNrzFFCqq1q","type":"track"}

Answers
type: MusicRecording
duration: PT4M1S
duration ms: 241500
explicit: false
by artist: Kempi
by artist: Ori
in album: CuraSaus
  type: MusicAlbum
  date published: 2018-12-21
isrc code: NLH211800130

Mooi Meisje
type: MusicRecording
duration: PT2M58S
duration ms: 178800
explicit: false
by artist: Kempi
by artist: Ziko
in album: CuraSaus
  type: MusicAlbum
  date published: 2018-12-21
isrc code: NLH211800131

Aruba
type: MusicRecording
duration: PT2M56S
duration ms: 176732
explicit: false
by artist: Kempi
by artist: Grif
in album: CuraSaus
  type: MusicAlbum
  date published: 2018-12-21
isrc code: NLH211800132

Rechter Gaf Me Tayas
type: MusicRecording
duration: PT2M54S
duration ms: 174736
explicit: false
by artist: Kempi
by artist: Dreadkrullen
in album: CuraSaus
  type: MusicAlbum
  date published: 2018-12-21
isrc code: NLH211800133

Pum Pum
type: MusicRecording
duration: PT3M39S
duration ms: 219428
explicit: false
by artist: Kempi
by artist: Salute Events
by artist: Kalibwoy
by artist: Jermaine Niffer
by artist: La baby
by artist: Anne Frank
in album: CuraSaus
  type: MusicAlbum
  date published: 2018-12-21
isrc code: NLH211800134
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T22:04:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd24940791d1f59b7dee2fc209488cd45ed7eea429d1dcbfb4a1aaae4ae5fed38
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956351
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3vkLkMZ9aclUzWYbFXzbYg.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3vkLkMZ9aclUzWYbFXzbYg
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd24940791d1f59b7dee2fc209488cd45ed7eea429d1dcbfb4a1aaae4ae5fed38","isrc":"NLH211800134","name":"Pum Pum","registered_at":"2026-06-25T22:04:50Z","spotify_id":"3vkLkMZ9aclUzWYbFXzbYg","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xd24940791d1f59b7dee2fc209488cd45ed7eea429d1dcbfb4a1aaae4ae5fed38. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3vkLkMZ9aclUzWYbFXzbYg.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3vkLkMZ9aclUzWYbFXzbYg.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0xd24940791d1f59b7dee2fc209488cd45ed7eea429d1dcbfb4a1aaae4ae5fed38","isrc":"NLH211800134","name":"Pum Pum","registered_at":"2026-06-25T22:04:50Z","spotify_id":"3vkLkMZ9aclUzWYbFXzbYg","type":"track"}

Internaat
type: MusicRecording
duration: PT3M0S
duration ms: 180886
explicit: false
by artist: Kempi
in album: CuraSaus
  type: MusicAlbum
  date published: 2018-12-21
isrc code: NLH211800135

Du Zoon
type: MusicAlbum
date published: 2008-01-01
track: Draai Ehm Af
  type: MusicRecording
  duration: PT3M34S
  duration ms: 214453
  explicit: false
  by artist: Kempi
  in album: Du Zoon
    type: MusicAlbum
    date published: 2008-01-01
  isrc code: NLG660800065
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T08:15:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8c06e2cc2194ea766fd94c83e359e50b8073a03900d049f450f1b6c9f65321e4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2FEDlI3yQ3FBQu91I26967.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2FEDlI3yQ3FBQu91I26967
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x8c06e2cc2194ea766fd94c83e359e50b8073a03900d049f450f1b6c9f65321e4","isrc":"NLG660800065","name":"Draai Ehm Af","registered_at":"2026-06-21T08:15:49Z","spotify_id":"2FEDlI3yQ3FBQu91I26967","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x8c06e2cc2194ea766fd94c83e359e50b8073a03900d049f450f1b6c9f65321e4. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2FEDlI3yQ3FBQu91I26967.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2FEDlI3yQ3FBQu91I26967.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x8c06e2cc2194ea766fd94c83e359e50b8073a03900d049f450f1b6c9f65321e4","isrc":"NLG660800065","name":"Draai Ehm Af","registered_at":"2026-06-21T08:15:49Z","spotify_id":"2FEDlI3yQ3FBQu91I26967","type":"track"}
track: Revolutie
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249986
  explicit: false
  by artist: Kempi
  in album: Du Zoon
    type: MusicAlbum
    date published: 2008-01-01
  isrc code: NLG660800066
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T11:11:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7a79bb0a2129e6a5ca3f8a4be387bce9e3c97f52d94a758c87bc33cead8ad0ba
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/06iwec8hMB683NWREFuRCZ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/06iwec8hMB683NWREFuRCZ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x7a79bb0a2129e6a5ca3f8a4be387bce9e3c97f52d94a758c87bc33cead8ad0ba. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/06iwec8hMB683NWREFuRCZ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/06iwec8hMB683NWREFuRCZ.
    date published: 2026-07-02T03:55:08Z
track: Leven Van De Faam
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199173
  explicit: false
  by artist: Kempi
  by artist: Sjaak
  in album: Du Zoon
    type: MusicAlbum
    date published: 2008-01-01
  isrc code: NLG660800067
track: Hier Ver Vandaan
  type: MusicRecording
  duration: PT3M2S
  duration ms: 182533
  explicit: false
  by artist: Kempi
  by artist: Willy
  in album: Du Zoon
    type: MusicAlbum
    date published: 2008-01-01
  isrc code: NLG660800068
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T15:14:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0bd45032534a6ea8babf4ea358018db30d7d12d11f5d366f555fd8f73dd13eb9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/52g1lJAg9ZaKSwU6aT1Mbt.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/52g1lJAg9ZaKSwU6aT1Mbt
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0bd45032534a6ea8babf4ea358018db30d7d12d11f5d366f555fd8f73dd13eb9","isrc":"NLG660800068","name":"Hier Ver Vandaan","registered_at":"2026-06-04T15:14:07Z","spotify_id":"52g1lJAg9ZaKSwU6aT1Mbt","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x0bd45032534a6ea8babf4ea358018db30d7d12d11f5d366f555fd8f73dd13eb9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/52g1lJAg9ZaKSwU6aT1Mbt.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/52g1lJAg9ZaKSwU6aT1Mbt.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x0bd45032534a6ea8babf4ea358018db30d7d12d11f5d366f555fd8f73dd13eb9","isrc":"NLG660800068","name":"Hier Ver Vandaan","registered_at":"2026-06-04T15:14:07Z","spotify_id":"52g1lJAg9ZaKSwU6aT1Mbt","type":"track"}
track: Haat & Verraad
  type: MusicRecording
  duration: PT6M36S
  duration ms: 396306
  explicit: false
  by artist: Kempi
  by artist: Winne
  by artist: RBDjan
  in album: Du Zoon
    type: MusicAlbum
    date published: 2008-01-01
  isrc code: NLG660800069
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T15:33:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5faaf3676d6c8b6c2740428b66ef227e9cd55f0923498b7074b869695b7c5af1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6V66T2PVnlu2ylk7lMJXj6.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6V66T2PVnlu2ylk7lMJXj6
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5faaf3676d6c8b6c2740428b66ef227e9cd55f0923498b7074b869695b7c5af1","isrc":"NLG660800069","name":"Haat & Verraad","registered_at":"2026-06-11T15:33:53Z","spotify_id":"6V66T2PVnlu2ylk7lMJXj6","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x5faaf3676d6c8b6c2740428b66ef227e9cd55f0923498b7074b869695b7c5af1. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6V66T2PVnlu2ylk7lMJXj6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6V66T2PVnlu2ylk7lMJXj6.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x5faaf3676d6c8b6c2740428b66ef227e9cd55f0923498b7074b869695b7c5af1","isrc":"NLG660800069","name":"Haat & Verraad","registered_at":"2026-06-11T15:33:53Z","spotify_id":"6V66T2PVnlu2ylk7lMJXj6","type":"track"}
track: LORD
track: Stratiblues
track: Ze Weten Van Mij
track: Ze Wil Weg
track: Door Dik & Dun
track: Wakker In Du Cel
track: Dagen Van De Bijbel
track: Buschauffeur
track: Dans Met Je Moeder
track: Nice

LORD
type: MusicRecording
duration: PT4M29S
duration ms: 269053
explicit: false
by artist: Kempi
in album: Du Zoon
  type: MusicAlbum
  date published: 2008-01-01
isrc code: NLG660800070
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T06:58:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4c8166f7df7c778f0d4ba744559970bd4088f00d1c91632732253589f5982c31
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6K5ZHTedb469uYXCZrgDJl.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6K5ZHTedb469uYXCZrgDJl
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x4c8166f7df7c778f0d4ba744559970bd4088f00d1c91632732253589f5982c31. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6K5ZHTedb469uYXCZrgDJl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6K5ZHTedb469uYXCZrgDJl.
  date published: 2026-07-02T05:09:12Z

Stratiblues
type: MusicRecording
duration: PT4M17S
duration ms: 257106
explicit: false
by artist: Kempi
in album: Du Zoon
  type: MusicAlbum
  date published: 2008-01-01
isrc code: NLG660800071
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T06:21:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd7f75fd35159759cddb3ca806df19c8a62035afdab7295737025313293992f14
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2oNG6Cxb2mp2q7z6VSJOSj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2oNG6Cxb2mp2q7z6VSJOSj
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xd7f75fd35159759cddb3ca806df19c8a62035afdab7295737025313293992f14. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2oNG6Cxb2mp2q7z6VSJOSj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2oNG6Cxb2mp2q7z6VSJOSj.
  date published: 2026-06-13T17:25:41Z

Ze Weten Van Mij
type: MusicRecording
duration: PT3M50S
duration ms: 230720
explicit: false
by artist: Kempi
by artist: Salah Edin
by artist: Klemma
in album: Du Zoon
  type: MusicAlbum
  date published: 2008-01-01
isrc code: NLG660800072
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T10:35:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcc2034b8dde900002dfa13bfc0fe9189b331d9333b18e37a04112a5cb1f2db82
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/38ug8GRw2JrwcMuhpuJBHG.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/38ug8GRw2JrwcMuhpuJBHG
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcc2034b8dde900002dfa13bfc0fe9189b331d9333b18e37a04112a5cb1f2db82","isrc":"NLG660800072","name":"Ze Weten Van Mij","registered_at":"2026-06-20T10:35:38Z","spotify_id":"38ug8GRw2JrwcMuhpuJBHG","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xcc2034b8dde900002dfa13bfc0fe9189b331d9333b18e37a04112a5cb1f2db82. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/38ug8GRw2JrwcMuhpuJBHG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/38ug8GRw2JrwcMuhpuJBHG.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xcc2034b8dde900002dfa13bfc0fe9189b331d9333b18e37a04112a5cb1f2db82","isrc":"NLG660800072","name":"Ze Weten Van Mij","registered_at":"2026-06-20T10:35:38Z","spotify_id":"38ug8GRw2JrwcMuhpuJBHG","type":"track"}

Ze Wil Weg
type: MusicRecording
duration: PT3M56S
duration ms: 236160
explicit: false
by artist: Kempi
in album: Du Zoon
  type: MusicAlbum
  date published: 2008-01-01
isrc code: NLG660800073
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T12:13:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x986c6a22abfd1ec0439535e790ae20a741ca9824caa007805abab7501881a8dd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3x339ayG3lBNvSdXGgSF5s.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3x339ayG3lBNvSdXGgSF5s
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x986c6a22abfd1ec0439535e790ae20a741ca9824caa007805abab7501881a8dd","isrc":"NLG660800073","name":"Ze Wil Weg","registered_at":"2026-06-20T12:13:59Z","spotify_id":"3x339ayG3lBNvSdXGgSF5s","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x986c6a22abfd1ec0439535e790ae20a741ca9824caa007805abab7501881a8dd. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3x339ayG3lBNvSdXGgSF5s.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3x339ayG3lBNvSdXGgSF5s.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x986c6a22abfd1ec0439535e790ae20a741ca9824caa007805abab7501881a8dd","isrc":"NLG660800073","name":"Ze Wil Weg","registered_at":"2026-06-20T12:13:59Z","spotify_id":"3x339ayG3lBNvSdXGgSF5s","type":"track"}

Door Dik & Dun
type: MusicRecording
duration: PT4M6S
duration ms: 246333
explicit: false
by artist: Kempi
by artist: Jalise
in album: Du Zoon
  type: MusicAlbum
  date published: 2008-01-01
isrc code: NLG660800074
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T19:49:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x57eea64ede180a24f63d0cfd3726f0d617efd4337e7a5305d9e6f4c05a91fb89
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6dFbSm8mlniIFJd1jTtTyu.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6dFbSm8mlniIFJd1jTtTyu
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x57eea64ede180a24f63d0cfd3726f0d617efd4337e7a5305d9e6f4c05a91fb89","isrc":"NLG660800074","name":"Door Dik & Dun","registered_at":"2026-06-09T19:49:37Z","spotify_id":"6dFbSm8mlniIFJd1jTtTyu","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x57eea64ede180a24f63d0cfd3726f0d617efd4337e7a5305d9e6f4c05a91fb89. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6dFbSm8mlniIFJd1jTtTyu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6dFbSm8mlniIFJd1jTtTyu.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x57eea64ede180a24f63d0cfd3726f0d617efd4337e7a5305d9e6f4c05a91fb89","isrc":"NLG660800074","name":"Door Dik & Dun","registered_at":"2026-06-09T19:49:37Z","spotify_id":"6dFbSm8mlniIFJd1jTtTyu","type":"track"}

Wakker In Du Cel
type: MusicRecording
duration: PT4M50S
duration ms: 290906
explicit: false
by artist: Kempi
in album: Du Zoon
  type: MusicAlbum
  date published: 2008-01-01
isrc code: NLG660800075
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T05:51:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x15fe2eb266452337777b930b414a76ca004bec28ce73f11dc23cb6206371ba87
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4CD7S5MjBQMTOZWEPMCqnd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4CD7S5MjBQMTOZWEPMCqnd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x15fe2eb266452337777b930b414a76ca004bec28ce73f11dc23cb6206371ba87","isrc":"NLG660800075","name":"Wakker In Du Cel","registered_at":"2026-06-06T05:51:34Z","spotify_id":"4CD7S5MjBQMTOZWEPMCqnd","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x15fe2eb266452337777b930b414a76ca004bec28ce73f11dc23cb6206371ba87. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4CD7S5MjBQMTOZWEPMCqnd.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4CD7S5MjBQMTOZWEPMCqnd.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x15fe2eb266452337777b930b414a76ca004bec28ce73f11dc23cb6206371ba87","isrc":"NLG660800075","name":"Wakker In Du Cel","registered_at":"2026-06-06T05:51:34Z","spotify_id":"4CD7S5MjBQMTOZWEPMCqnd","type":"track"}

Dagen Van De Bijbel
type: MusicRecording
duration: PT2M10S
duration ms: 130413
explicit: false
by artist: Kempi
in album: Du Zoon
  type: MusicAlbum
  date published: 2008-01-01
isrc code: NLG660800076
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T08:12:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd8d7d1e448f95589b48534cdb09c865d763f598384f9659cf96caf2a3c8f3a9a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3xpFmmcQUt5E9s61vZ13j1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3xpFmmcQUt5E9s61vZ13j1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd8d7d1e448f95589b48534cdb09c865d763f598384f9659cf96caf2a3c8f3a9a","isrc":"NLG660800076","name":"Dagen Van De Bijbel","registered_at":"2026-06-21T08:12:39Z","spotify_id":"3xpFmmcQUt5E9s61vZ13j1","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xd8d7d1e448f95589b48534cdb09c865d763f598384f9659cf96caf2a3c8f3a9a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3xpFmmcQUt5E9s61vZ13j1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3xpFmmcQUt5E9s61vZ13j1.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xd8d7d1e448f95589b48534cdb09c865d763f598384f9659cf96caf2a3c8f3a9a","isrc":"NLG660800076","name":"Dagen Van De Bijbel","registered_at":"2026-06-21T08:12:39Z","spotify_id":"3xpFmmcQUt5E9s61vZ13j1","type":"track"}

Buschauffeur
type: MusicRecording
duration: PT2M59S
duration ms: 179653
explicit: false
by artist: Kempi
in album: Du Zoon
  type: MusicAlbum
  date published: 2008-01-01
isrc code: NLG660800077
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T05:49:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x47596beabc3b63ccb552ef2963d443ab0db8398c9c534f21fd0b57bf96c3f613
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3N1qohiQ5xPgoYg9m0McId.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3N1qohiQ5xPgoYg9m0McId
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x47596beabc3b63ccb552ef2963d443ab0db8398c9c534f21fd0b57bf96c3f613. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3N1qohiQ5xPgoYg9m0McId.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3N1qohiQ5xPgoYg9m0McId.
  date published: 2026-06-13T17:25:41Z

Dans Met Je Moeder
type: MusicRecording
duration: PT8M38S
duration ms: 518000
explicit: false
by artist: Kempi
in album: Du Zoon
  type: MusicAlbum
  date published: 2008-01-01
isrc code: NLG660800078
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T15:53:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x37736cf957c39fea343b1184c96136ed5d87eb18d78ad7bd0d285d46152e2256
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7euAiy2WkuuGZNFrgUCEnW.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7euAiy2WkuuGZNFrgUCEnW
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x37736cf957c39fea343b1184c96136ed5d87eb18d78ad7bd0d285d46152e2256","isrc":"NLG660800078","name":"Dans Met Je Moeder","registered_at":"2026-06-19T15:53:24Z","spotify_id":"7euAiy2WkuuGZNFrgUCEnW","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x37736cf957c39fea343b1184c96136ed5d87eb18d78ad7bd0d285d46152e2256. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7euAiy2WkuuGZNFrgUCEnW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7euAiy2WkuuGZNFrgUCEnW.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x37736cf957c39fea343b1184c96136ed5d87eb18d78ad7bd0d285d46152e2256","isrc":"NLG660800078","name":"Dans Met Je Moeder","registered_at":"2026-06-19T15:53:24Z","spotify_id":"7euAiy2WkuuGZNFrgUCEnW","type":"track"}

Nice
type: MusicRecording
duration: PT3M25S
duration ms: 205600
explicit: false
by artist: Kempi
in album: Du Zoon
  type: MusicAlbum
  date published: 2008-01-01
isrc code: NLG660800079

Maandag
type: MusicAlbum
date published: 2025-02-14
track: Maandag
  type: MusicRecording
  duration: PT2M7S
  duration ms: 127882
  explicit: false
  by artist: Dammie
  by artist: Kempi
  in album: Maandag
    type: MusicAlbum
    date published: 2025-02-14
  isrc code: NL3GQ2500722
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T09:44:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x69577d7f4b4daaafe6c37695f2ae86d22093042331b0807c3c6e4f3f37663f25
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2t29sXIRO13xtshYUocbH2.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2t29sXIRO13xtshYUocbH2
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x69577d7f4b4daaafe6c37695f2ae86d22093042331b0807c3c6e4f3f37663f25. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2t29sXIRO13xtshYUocbH2.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2t29sXIRO13xtshYUocbH2.
    date published: 2026-06-13T12:47:07Z

Bad News
type: MusicAlbum
date published: 2024-12-06
track: Bad News
  type: MusicRecording
  duration: PT1M48S
  duration ms: 108169
  explicit: false
  by artist: Kempi
  in album: Bad News
    type: MusicAlbum
    date published: 2024-12-06
  isrc code: QMDA72493855
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T06:27:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa13dc49c08d56677f355729f52bb41d85365553991821ae333525bce065f11f6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1bxtNnHq8kbSIvikkVXZ40.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1bxtNnHq8kbSIvikkVXZ40
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa13dc49c08d56677f355729f52bb41d85365553991821ae333525bce065f11f6","isrc":"QMDA72493855","name":"Bad News","registered_at":"2026-06-10T06:27:18Z","spotify_id":"1bxtNnHq8kbSIvikkVXZ40","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa13dc49c08d56677f355729f52bb41d85365553991821ae333525bce065f11f6. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1bxtNnHq8kbSIvikkVXZ40.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1bxtNnHq8kbSIvikkVXZ40.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xa13dc49c08d56677f355729f52bb41d85365553991821ae333525bce065f11f6","isrc":"QMDA72493855","name":"Bad News","registered_at":"2026-06-10T06:27:18Z","spotify_id":"1bxtNnHq8kbSIvikkVXZ40","type":"track"}

Dilara
type: MusicAlbum
date published: 2024-10-04
track: Dilara
  type: MusicRecording
  duration: PT2M5S
  duration ms: 125038
  explicit: false
  by artist: Kempi
  in album: Dilara
    type: MusicAlbum
    date published: 2024-10-04
  isrc code: QMDA62420193
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T17:48:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf67810c28ef764555ee1dfc34e21da5192b56d0d703c121e13d79ce851e959ca
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3N2cxA2874Unb9GY7jLK0F.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3N2cxA2874Unb9GY7jLK0F
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf67810c28ef764555ee1dfc34e21da5192b56d0d703c121e13d79ce851e959ca. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3N2cxA2874Unb9GY7jLK0F.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3N2cxA2874Unb9GY7jLK0F.
    date published: 2026-06-13T17:25:41Z

Independent Woman
type: MusicAlbum
date published: 2024-09-27
track: Independent Woman
  type: MusicRecording
  duration: PT2M27S
  duration ms: 147878
  explicit: false
  by artist: Mello
  by artist: Kempi
  in album: Independent Woman
    type: MusicAlbum
    date published: 2024-09-27
  isrc code: QMBZ92462272
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T22:24:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3cfc849a4bddc25beb342c969b937b42c17811fc0a26ac33cf6dacdb0f5f5430
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/10oLiwHDcZKguYVl4Vwgwx.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/10oLiwHDcZKguYVl4Vwgwx
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3cfc849a4bddc25beb342c969b937b42c17811fc0a26ac33cf6dacdb0f5f5430","isrc":"QMBZ92462272","name":"Independent Woman","registered_at":"2026-06-08T22:24:31Z","spotify_id":"10oLiwHDcZKguYVl4Vwgwx","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3cfc849a4bddc25beb342c969b937b42c17811fc0a26ac33cf6dacdb0f5f5430. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/10oLiwHDcZKguYVl4Vwgwx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/10oLiwHDcZKguYVl4Vwgwx.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x3cfc849a4bddc25beb342c969b937b42c17811fc0a26ac33cf6dacdb0f5f5430","isrc":"QMBZ92462272","name":"Independent Woman","registered_at":"2026-06-08T22:24:31Z","spotify_id":"10oLiwHDcZKguYVl4Vwgwx","type":"track"}

Bati Sanka (feat. Saaff, Kempi & Tyrell)
type: MusicAlbum
date published: 2024-08-30
track: Bati Sanka (feat. Saaff, Kempi & Tyrell)
  type: MusicRecording
  duration: PT2M7S
  duration ms: 127000
  explicit: false
  by artist: The Partysquad
  by artist: Saaff
  by artist: Kempi
  by artist: Tyrell
  in album: Bati Sanka (feat. Saaff, Kempi & Tyrell)
    type: MusicAlbum
    date published: 2024-08-30
  isrc code: NL5UR2400003
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T18:44:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf5f767096d51dbefb4033f82b6f909694657ddf05043707408051fc263faddfd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5VPGAximLdBE9CaZdmY8bG.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5VPGAximLdBE9CaZdmY8bG
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xf5f767096d51dbefb4033f82b6f909694657ddf05043707408051fc263faddfd","isrc":"NL5UR2400003","name":"Bati Sanka (feat. Saaff, Kempi & Tyrell)","registered_at":"2026-06-06T18:44:17Z","spotify_id":"5VPGAximLdBE9CaZdmY8bG","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf5f767096d51dbefb4033f82b6f909694657ddf05043707408051fc263faddfd. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5VPGAximLdBE9CaZdmY8bG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5VPGAximLdBE9CaZdmY8bG.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xf5f767096d51dbefb4033f82b6f909694657ddf05043707408051fc263faddfd","isrc":"NL5UR2400003","name":"Bati Sanka (feat. Saaff, Kempi & Tyrell)","registered_at":"2026-06-06T18:44:17Z","spotify_id":"5VPGAximLdBE9CaZdmY8bG","type":"track"}

Mama
type: MusicAlbum
date published: 2024-08-01
track: Mama
  type: MusicRecording
  duration: PT2M47S
  duration ms: 167608
  explicit: false
  by artist: Cor
  by artist: Kempi
  in album: Mama
    type: MusicAlbum
    date published: 2024-08-01
  isrc code: NLG662400243
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T08:53:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfcbf14ba121a866551ba0a8d4fd55312538955817888a4a4bd10973079b6efb9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7a1sDnBWeiXTr1uCngBgk3.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7a1sDnBWeiXTr1uCngBgk3
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xfcbf14ba121a866551ba0a8d4fd55312538955817888a4a4bd10973079b6efb9. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7a1sDnBWeiXTr1uCngBgk3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7a1sDnBWeiXTr1uCngBgk3.
    date published: 2026-06-13T15:41:10Z

Kandela Di Amor
type: MusicAlbum
date published: 2024-06-28
track: Kandela Di Amor
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213600
  explicit: false
  by artist: Kempi
  by artist: Ori
  in album: Kandela Di Amor
    type: MusicAlbum
    date published: 2024-06-28
  isrc code: QM6P42451460
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T08:51:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x74a38d041df462e617cf2b95bff1560e703a508e0938513663d2af1f5bf90cab
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5IB3LqzhffiMGwpVsIVaxC.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5IB3LqzhffiMGwpVsIVaxC
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x74a38d041df462e617cf2b95bff1560e703a508e0938513663d2af1f5bf90cab","isrc":"QM6P42451460","name":"Kandela Di Amor","registered_at":"2026-06-07T08:51:07Z","spotify_id":"5IB3LqzhffiMGwpVsIVaxC","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x74a38d041df462e617cf2b95bff1560e703a508e0938513663d2af1f5bf90cab. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5IB3LqzhffiMGwpVsIVaxC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5IB3LqzhffiMGwpVsIVaxC.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x74a38d041df462e617cf2b95bff1560e703a508e0938513663d2af1f5bf90cab","isrc":"QM6P42451460","name":"Kandela Di Amor","registered_at":"2026-06-07T08:51:07Z","spotify_id":"5IB3LqzhffiMGwpVsIVaxC","type":"track"}

Sacrifice
type: MusicAlbum
date published: 2024-05-31
track: Sacrifice
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186666
  explicit: false
  by artist: Kempi
  by artist: Toluwa
  by artist: Xla Vie
  in album: Sacrifice
    type: MusicAlbum
    date published: 2024-05-31
  isrc code: QM6N22468498
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T06:23:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xda76dad61d81537dc6aa215313a4e727c7d74e131b3d2098bb0889fdf7b2e4f4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0LVY59AY6KexpvXcEsNK1k.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0LVY59AY6KexpvXcEsNK1k
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xda76dad61d81537dc6aa215313a4e727c7d74e131b3d2098bb0889fdf7b2e4f4. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0LVY59AY6KexpvXcEsNK1k.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0LVY59AY6KexpvXcEsNK1k.
    date published: 2026-06-13T15:41:10Z

Keuzes
type: MusicAlbum
date published: 2024-04-19
track: Keuzes
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174631
  explicit: false
  by artist: Rz
  by artist: Kempi
  in album: Keuzes
    type: MusicAlbum
    date published: 2024-04-19

Jij Hoort Bij Mij
type: MusicAlbum
date published: 2024-01-19
track: Jij Hoort Bij Mij
  type: MusicRecording
  duration: PT2M24S
  duration ms: 144444
  explicit: false
  by artist: Kempi
  by artist: MB
  in album: Jij Hoort Bij Mij
    type: MusicAlbum
    date published: 2024-01-19
  isrc code: QM4TW2413527
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T13:52:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0b5ff6bf1615ac1afec5d4f8bd4a92d805dd2f4cfffe15883dcfdc5606542705
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6VC7LjzoIvI1UpXKG5r8FO.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6VC7LjzoIvI1UpXKG5r8FO
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0b5ff6bf1615ac1afec5d4f8bd4a92d805dd2f4cfffe15883dcfdc5606542705","isrc":"QM4TW2413527","name":"Jij Hoort Bij Mij","registered_at":"2026-06-08T13:52:34Z","spotify_id":"6VC7LjzoIvI1UpXKG5r8FO","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x0b5ff6bf1615ac1afec5d4f8bd4a92d805dd2f4cfffe15883dcfdc5606542705. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6VC7LjzoIvI1UpXKG5r8FO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6VC7LjzoIvI1UpXKG5r8FO.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x0b5ff6bf1615ac1afec5d4f8bd4a92d805dd2f4cfffe15883dcfdc5606542705","isrc":"QM4TW2413527","name":"Jij Hoort Bij Mij","registered_at":"2026-06-08T13:52:34Z","spotify_id":"6VC7LjzoIvI1UpXKG5r8FO","type":"track"}

Pa Ra Pa
type: MusicAlbum
date published: 2023-11-17
track: Pa Ra Pa
  type: MusicRecording
  duration: PT2M27S
  duration ms: 147200
  explicit: false
  by artist: The Plugz Europe
  by artist: THABITI
  by artist: Kempi
  in album: Pa Ra Pa
    type: MusicAlbum
    date published: 2023-11-17
  isrc code: USA2P2312743
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T10:24:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa301b25e4fc1e589541066ea39a51d10d6b34774136aa64a70220ecf6f9755e0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7t8c3Cuhh4O2Ck9jvMiRTy.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7t8c3Cuhh4O2Ck9jvMiRTy
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa301b25e4fc1e589541066ea39a51d10d6b34774136aa64a70220ecf6f9755e0","isrc":"USA2P2312743","name":"Pa Ra Pa","registered_at":"2026-06-25T10:24:12Z","spotify_id":"7t8c3Cuhh4O2Ck9jvMiRTy","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa301b25e4fc1e589541066ea39a51d10d6b34774136aa64a70220ecf6f9755e0. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7t8c3Cuhh4O2Ck9jvMiRTy.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7t8c3Cuhh4O2Ck9jvMiRTy.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xa301b25e4fc1e589541066ea39a51d10d6b34774136aa64a70220ecf6f9755e0","isrc":"USA2P2312743","name":"Pa Ra Pa","registered_at":"2026-06-25T10:24:12Z","spotify_id":"7t8c3Cuhh4O2Ck9jvMiRTy","type":"track"}

PIÑATA
type: MusicAlbum
date published: 2023-07-13
track: PIÑATA
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174374
  explicit: false
  by artist: NoFees
  by artist: Kempi
  by artist: Ds19
  in album: PIÑATA
    type: MusicAlbum
    date published: 2023-07-13
  isrc code: QZMER2320747
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T04:52:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xeef6a570ea94ae14b63d9dcc4d2c14c5a601f33022419d487742ba4c9409c913
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7MSp95nm20NZNTZ6IgBoAe.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7MSp95nm20NZNTZ6IgBoAe
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xeef6a570ea94ae14b63d9dcc4d2c14c5a601f33022419d487742ba4c9409c913","isrc":"QZMER2320747","name":"PIÑATA","registered_at":"2026-06-18T04:52:13Z","spotify_id":"7MSp95nm20NZNTZ6IgBoAe","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xeef6a570ea94ae14b63d9dcc4d2c14c5a601f33022419d487742ba4c9409c913. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7MSp95nm20NZNTZ6IgBoAe.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7MSp95nm20NZNTZ6IgBoAe.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xeef6a570ea94ae14b63d9dcc4d2c14c5a601f33022419d487742ba4c9409c913","isrc":"QZMER2320747","name":"PIÑATA","registered_at":"2026-06-18T04:52:13Z","spotify_id":"7MSp95nm20NZNTZ6IgBoAe","type":"track"}

Good Guys
type: MusicAlbum
date published: 2023-06-30
track: Good Guys
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157152
  explicit: false
  by artist: Berry VHW
  by artist: Kempi
  in album: Good Guys
    type: MusicAlbum
    date published: 2023-06-30
  isrc code: QZMEQ2304797
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T08:23:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xddd2679577539419eb096596fb00b68d3aa8d5ade0ac7e22b6bfc987b65012ba
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5xq8vA1ulSocxxFLak3Ivn.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5xq8vA1ulSocxxFLak3Ivn
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xddd2679577539419eb096596fb00b68d3aa8d5ade0ac7e22b6bfc987b65012ba","isrc":"QZMEQ2304797","name":"Good Guys","registered_at":"2026-06-21T08:23:19Z","spotify_id":"5xq8vA1ulSocxxFLak3Ivn","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xddd2679577539419eb096596fb00b68d3aa8d5ade0ac7e22b6bfc987b65012ba. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5xq8vA1ulSocxxFLak3Ivn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5xq8vA1ulSocxxFLak3Ivn.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xddd2679577539419eb096596fb00b68d3aa8d5ade0ac7e22b6bfc987b65012ba","isrc":"QZMEQ2304797","name":"Good Guys","registered_at":"2026-06-21T08:23:19Z","spotify_id":"5xq8vA1ulSocxxFLak3Ivn","type":"track"}

FBMS
type: MusicAlbum
date published: 2023-06-21
track: FBMS
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181069
  explicit: false
  by artist: JOJO AIR
  by artist: Kempi
  in album: FBMS
    type: MusicAlbum
    date published: 2023-06-21
  isrc code: NL2BN2300060
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-27T13:07:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7664e66d547eac056cefc991fd73d2f6bade163cab05ad0c56e21b96154035e5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956351
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956351
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3RFRCQr2X9v1i0uaRj4KDu.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3RFRCQr2X9v1i0uaRj4KDu
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:38:34Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x7664e66d547eac056cefc991fd73d2f6bade163cab05ad0c56e21b96154035e5. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3RFRCQr2X9v1i0uaRj4KDu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3RFRCQr2X9v1i0uaRj4KDu.
    date published: 2026-07-02T11:38:34Z

Aan Jou Denk
type: MusicAlbum
date published: 2023-05-05
track: Aan Jou Denk
  type: MusicRecording
  duration: PT2M41S
  duration ms: 161242
  explicit: false
  by artist: Kempi
  in album: Aan Jou Denk
    type: MusicAlbum
    date published: 2023-05-05
  isrc code: QM6N22369896
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T14:26:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe6f66068d81ffdfb0188b75feee66398f9391a93ca039bb492543918e2ecc122
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/62j2eKcbucwEYScJctiypN.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/62j2eKcbucwEYScJctiypN
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe6f66068d81ffdfb0188b75feee66398f9391a93ca039bb492543918e2ecc122","isrc":"QM6N22369896","name":"Aan Jou Denk","registered_at":"2026-06-10T14:26:03Z","spotify_id":"62j2eKcbucwEYScJctiypN","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xe6f66068d81ffdfb0188b75feee66398f9391a93ca039bb492543918e2ecc122. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/62j2eKcbucwEYScJctiypN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/62j2eKcbucwEYScJctiypN.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xe6f66068d81ffdfb0188b75feee66398f9391a93ca039bb492543918e2ecc122","isrc":"QM6N22369896","name":"Aan Jou Denk","registered_at":"2026-06-10T14:26:03Z","spotify_id":"62j2eKcbucwEYScJctiypN","type":"track"}

Biglov3
type: MusicAlbum
date published: 2023-05-01
track: Biglov3
  type: MusicRecording
  duration: PT2M7S
  duration ms: 127200
  explicit: false
  by artist: Scep Kendallovic
  by artist: Kempi
  in album: Biglov3
    type: MusicAlbum
    date published: 2023-05-01
  isrc code: TCAGW2388454

Ik Heb Schijt
type: MusicAlbum
date published: 2023-03-17
track: Ik Heb Schijt
  type: MusicRecording
  duration: PT2M3S
  duration ms: 123857
  explicit: false
  by artist: Kempi
  in album: Ik Heb Schijt
    type: MusicAlbum
    date published: 2023-03-17
  isrc code: QM4TX2332872
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T22:36:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x740620a914bdc2455dff708575fcdb6f206fa1f50daf238bafadfbf7ce9745a7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/40ityTQ22y9xUqiffxJ0uK.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/40ityTQ22y9xUqiffxJ0uK
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x740620a914bdc2455dff708575fcdb6f206fa1f50daf238bafadfbf7ce9745a7","isrc":"QM4TX2332872","name":"Ik Heb Schijt","registered_at":"2026-06-08T22:36:30Z","spotify_id":"40ityTQ22y9xUqiffxJ0uK","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x740620a914bdc2455dff708575fcdb6f206fa1f50daf238bafadfbf7ce9745a7. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/40ityTQ22y9xUqiffxJ0uK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/40ityTQ22y9xUqiffxJ0uK.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x740620a914bdc2455dff708575fcdb6f206fa1f50daf238bafadfbf7ce9745a7","isrc":"QM4TX2332872","name":"Ik Heb Schijt","registered_at":"2026-06-08T22:36:30Z","spotify_id":"40ityTQ22y9xUqiffxJ0uK","type":"track"}

Tobi
type: MusicAlbum
date published: 2023-03-03
track: Tobi
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198367
  explicit: false
  by artist: Kempi
  in album: Tobi
    type: MusicAlbum
    date published: 2023-03-03
  isrc code: QM4TX2305293
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T17:52:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x04a32b5c88c72869fd3f2307b0c4774fbcb836cbce6e766ba0c4edf44ba25b47
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0bgXWCo6NMZJMuu1sRUKcw.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0bgXWCo6NMZJMuu1sRUKcw
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x04a32b5c88c72869fd3f2307b0c4774fbcb836cbce6e766ba0c4edf44ba25b47. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0bgXWCo6NMZJMuu1sRUKcw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0bgXWCo6NMZJMuu1sRUKcw.
    date published: 2026-07-02T03:55:08Z

Tot De Dood
type: MusicAlbum
date published: 2023-02-10
track: Tot De Dood
  type: MusicRecording
  duration: PT2M22S
  duration ms: 142395
  explicit: false
  by artist: Piet Junior
  by artist: Kempi
  in album: Tot De Dood
    type: MusicAlbum
    date published: 2023-02-10
  isrc code: QM4TW2368748
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T20:38:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x62e58e4c7e30c6f4f960416b72c0a5e9347578da75b2dcf883dea91ef075c256
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7pj0MymlGo5A67vLog7NSm.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7pj0MymlGo5A67vLog7NSm
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x62e58e4c7e30c6f4f960416b72c0a5e9347578da75b2dcf883dea91ef075c256","isrc":"QM4TW2368748","name":"Tot De Dood","registered_at":"2026-06-10T20:38:15Z","spotify_id":"7pj0MymlGo5A67vLog7NSm","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x62e58e4c7e30c6f4f960416b72c0a5e9347578da75b2dcf883dea91ef075c256. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7pj0MymlGo5A67vLog7NSm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7pj0MymlGo5A67vLog7NSm.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x62e58e4c7e30c6f4f960416b72c0a5e9347578da75b2dcf883dea91ef075c256","isrc":"QM4TW2368748","name":"Tot De Dood","registered_at":"2026-06-10T20:38:15Z","spotify_id":"7pj0MymlGo5A67vLog7NSm","type":"track"}

Ik Moest Man Zijn
type: MusicAlbum
date published: 2023-02-03
track: Ik Moest Man Zijn
  type: MusicRecording
  duration: PT1M59S
  duration ms: 119289
  explicit: false
  by artist: Kempi
  in album: Ik Moest Man Zijn
    type: MusicAlbum
    date published: 2023-02-03
  isrc code: QM4TW2324542
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T07:46:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xeafd8b5d174f2230cb06a06a590b9b22bd45002b70c3610dc12d098ea53efa80
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7lCdLSMR5zTigPXvF6LoAu.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7lCdLSMR5zTigPXvF6LoAu
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xeafd8b5d174f2230cb06a06a590b9b22bd45002b70c3610dc12d098ea53efa80","isrc":"QM4TW2324542","name":"Ik Moest Man Zijn","registered_at":"2026-06-07T07:46:11Z","spotify_id":"7lCdLSMR5zTigPXvF6LoAu","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xeafd8b5d174f2230cb06a06a590b9b22bd45002b70c3610dc12d098ea53efa80. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7lCdLSMR5zTigPXvF6LoAu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7lCdLSMR5zTigPXvF6LoAu.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xeafd8b5d174f2230cb06a06a590b9b22bd45002b70c3610dc12d098ea53efa80","isrc":"QM4TW2324542","name":"Ik Moest Man Zijn","registered_at":"2026-06-07T07:46:11Z","spotify_id":"7lCdLSMR5zTigPXvF6LoAu","type":"track"}

Weer Wakker In Du Cel
type: MusicAlbum
date published: 2022-12-16
track: Weer Wakker In Du Cel
  type: MusicRecording
  duration: PT2M27S
  duration ms: 147346
  explicit: false
  by artist: Kempi
  by artist: JoeyAK
  in album: Weer Wakker In Du Cel
    type: MusicAlbum
    date published: 2022-12-16
  isrc code: QMFME2262782
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T12:21:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9a56844178c887e95c838c8f2df8aab2c811bfce4ea28c427229c80c331e6d0a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3DUZXZEQz3K6luhG943HdA.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3DUZXZEQz3K6luhG943HdA
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x9a56844178c887e95c838c8f2df8aab2c811bfce4ea28c427229c80c331e6d0a","isrc":"QMFME2262782","name":"Weer Wakker In Du Cel","registered_at":"2026-06-06T12:21:35Z","spotify_id":"3DUZXZEQz3K6luhG943HdA","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9a56844178c887e95c838c8f2df8aab2c811bfce4ea28c427229c80c331e6d0a. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3DUZXZEQz3K6luhG943HdA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3DUZXZEQz3K6luhG943HdA.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x9a56844178c887e95c838c8f2df8aab2c811bfce4ea28c427229c80c331e6d0a","isrc":"QMFME2262782","name":"Weer Wakker In Du Cel","registered_at":"2026-06-06T12:21:35Z","spotify_id":"3DUZXZEQz3K6luhG943HdA","type":"track"}

Mulala
type: MusicRecording
duration: PT2M44S
duration ms: 164829
explicit: false
by artist: Bigidagoe
by artist: Dylisa
by artist: Kempi
in album: Zes Gangen Menu
  type: MusicAlbum
  date published: 2024-06-14
isrc code: TCAII2459752
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T02:24:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e2822b989bf554100dc3ab27f8ca0ff0e8ec657d76c0e6ffb05dbd7fed4bfd8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/10Za79y9cUKh7KuieDvbj6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/10Za79y9cUKh7KuieDvbj6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x4e2822b989bf554100dc3ab27f8ca0ff0e8ec657d76c0e6ffb05dbd7fed4bfd8. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/10Za79y9cUKh7KuieDvbj6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/10Za79y9cUKh7KuieDvbj6.
  date published: 2026-06-13T17:25:41Z

Mijn Hossel
type: MusicRecording
duration: PT4M17S
duration ms: 257120
explicit: false
by artist: Jayh
by artist: Hef
by artist: Adje
by artist: Kempi
in album: Jayh.nl
  type: MusicAlbum
  date published: 2009-01-01
isrc code: NLG660900053
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T04:56:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xffa7596dc7aa324dfeed07c794f40ee59de73f6075211fc48f842ce09964adab
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3yIqk7jtR7frUAMhterXDN.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3yIqk7jtR7frUAMhterXDN
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xffa7596dc7aa324dfeed07c794f40ee59de73f6075211fc48f842ce09964adab","isrc":"NLG660900053","name":"Mijn Hossel","registered_at":"2026-06-06T04:56:19Z","spotify_id":"3yIqk7jtR7frUAMhterXDN","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xffa7596dc7aa324dfeed07c794f40ee59de73f6075211fc48f842ce09964adab. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3yIqk7jtR7frUAMhterXDN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3yIqk7jtR7frUAMhterXDN.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xffa7596dc7aa324dfeed07c794f40ee59de73f6075211fc48f842ce09964adab","isrc":"NLG660900053","name":"Mijn Hossel","registered_at":"2026-06-06T04:56:19Z","spotify_id":"3yIqk7jtR7frUAMhterXDN","type":"track"}

Hoe Het Was
type: MusicRecording
duration: PT3M47S
duration ms: 227601
explicit: false
by artist: Rotjoch
by artist: Crooks
by artist: Henkie T
by artist: Kempi
in album: Float
  type: MusicAlbum
  date published: 2022-08-03
isrc code: NLG662200275
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T06:03:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3a7137cf84917f7ea7070178fb295d0dcba310c501870c9c4b3eff559a19041d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2IUAHnXDvjFDAgW8W2xttu.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2IUAHnXDvjFDAgW8W2xttu
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3a7137cf84917f7ea7070178fb295d0dcba310c501870c9c4b3eff559a19041d","isrc":"NLG662200275","name":"Hoe Het Was","registered_at":"2026-06-10T06:03:36Z","spotify_id":"2IUAHnXDvjFDAgW8W2xttu","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3a7137cf84917f7ea7070178fb295d0dcba310c501870c9c4b3eff559a19041d. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2IUAHnXDvjFDAgW8W2xttu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2IUAHnXDvjFDAgW8W2xttu.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x3a7137cf84917f7ea7070178fb295d0dcba310c501870c9c4b3eff559a19041d","isrc":"NLG662200275","name":"Hoe Het Was","registered_at":"2026-06-10T06:03:36Z","spotify_id":"2IUAHnXDvjFDAgW8W2xttu","type":"track"}

Tongparty (feat. GuyDo, Young Ellens, Kempi & Penchi)
type: MusicRecording
duration: PT2M52S
duration ms: 172029
explicit: false
by artist: ChildsPlay
by artist: Penchi
by artist: Guydo
by artist: Young Ellens
by artist: Kempi
in album: Tongparty (feat. GuyDo, Young Ellens, Kempi & Penchi)
  type: MusicAlbum
  date published: 2023-11-03
isrc code: US38Y2306158
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T18:57:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8855430486c1e77a3eb1d361e074f0ebb0e5a24862cc29c605376fcff86c8765
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0hlBEsdThTS8oucxjr8sfO.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0hlBEsdThTS8oucxjr8sfO
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8855430486c1e77a3eb1d361e074f0ebb0e5a24862cc29c605376fcff86c8765","isrc":"US38Y2306158","name":"Tongparty (feat. GuyDo, Young Ellens, Kempi & Penchi)","registered_at":"2026-06-10T18:57:25Z","spotify_id":"0hlBEsdThTS8oucxjr8sfO","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x8855430486c1e77a3eb1d361e074f0ebb0e5a24862cc29c605376fcff86c8765. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0hlBEsdThTS8oucxjr8sfO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0hlBEsdThTS8oucxjr8sfO.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x8855430486c1e77a3eb1d361e074f0ebb0e5a24862cc29c605376fcff86c8765","isrc":"US38Y2306158","name":"Tongparty (feat. GuyDo, Young Ellens, Kempi & Penchi)","registered_at":"2026-06-10T18:57:25Z","spotify_id":"0hlBEsdThTS8oucxjr8sfO","type":"track"}

Mama Don't Cry
type: MusicRecording
duration: PT3M20S
duration ms: 200213
explicit: false
by artist: Ard Adz
by artist: Kempi
in album: Adam
  type: MusicAlbum
  date published: 2018-08-28

Down / Up
type: MusicRecording
duration: PT3M0S
duration ms: 180451
explicit: false
by artist: Architrackz
by artist: Bryan Mg
by artist: Kempi
in album: Perfecte Timing
  type: MusicAlbum
  date published: 2022-03-03
isrc code: NLY9D2200015
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T13:26:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc70b0873ca1ffbc78a337e91573e166b5f62d86cfdcaaf86fe4aa4223e9cd20d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2FSiCq0V5t9iuz4aucV6D4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2FSiCq0V5t9iuz4aucV6D4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc70b0873ca1ffbc78a337e91573e166b5f62d86cfdcaaf86fe4aa4223e9cd20d","isrc":"NLY9D2200015","name":"Down / Up","registered_at":"2026-06-23T13:26:05Z","spotify_id":"2FSiCq0V5t9iuz4aucV6D4","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xc70b0873ca1ffbc78a337e91573e166b5f62d86cfdcaaf86fe4aa4223e9cd20d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2FSiCq0V5t9iuz4aucV6D4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2FSiCq0V5t9iuz4aucV6D4.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xc70b0873ca1ffbc78a337e91573e166b5f62d86cfdcaaf86fe4aa4223e9cd20d","isrc":"NLY9D2200015","name":"Down / Up","registered_at":"2026-06-23T13:26:05Z","spotify_id":"2FSiCq0V5t9iuz4aucV6D4","type":"track"}

Naughty doen
type: MusicRecording
duration: PT2M43S
duration ms: 163006
explicit: false
by artist: Kempi
by artist: Kalibwoy
by artist: Drayson Gashi
by artist: Lauwtje
in album: Naughty Doen
  type: MusicAlbum
  date published: 2022-11-25
isrc code: QMDA72255990
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T08:22:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x067e7b30182577e2fe9b30a3936267c21f5e41443042b6c004b54edc10acbef8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4Fbzrtl6GUGhCUIeBUas6r.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Fbzrtl6GUGhCUIeBUas6r
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x067e7b30182577e2fe9b30a3936267c21f5e41443042b6c004b54edc10acbef8","isrc":"QMDA72255990","name":"Naughty doen","registered_at":"2026-06-21T08:22:55Z","spotify_id":"4Fbzrtl6GUGhCUIeBUas6r","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x067e7b30182577e2fe9b30a3936267c21f5e41443042b6c004b54edc10acbef8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Fbzrtl6GUGhCUIeBUas6r.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Fbzrtl6GUGhCUIeBUas6r.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x067e7b30182577e2fe9b30a3936267c21f5e41443042b6c004b54edc10acbef8","isrc":"QMDA72255990","name":"Naughty doen","registered_at":"2026-06-21T08:22:55Z","spotify_id":"4Fbzrtl6GUGhCUIeBUas6r","type":"track"}

Ondernemer
type: MusicRecording
duration: PT2M53S
duration ms: 173400
explicit: false
by artist: Kempi
by artist: Bryan Mg
by artist: Architrackz
by artist: WAWA
in album: Perfecte Timing
  type: MusicAlbum
  date published: 2022-03-03
isrc code: NLY9D2000021
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T13:28:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeec076b2075aa1291f3b4017fd4f1affc300d9f290a7b1dcdc576a2873102627
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/26Fmtka1bCo9zbFR4aoP5y.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/26Fmtka1bCo9zbFR4aoP5y
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xeec076b2075aa1291f3b4017fd4f1affc300d9f290a7b1dcdc576a2873102627. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/26Fmtka1bCo9zbFR4aoP5y.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/26Fmtka1bCo9zbFR4aoP5y.
  date published: 2026-07-02T05:09:12Z

Wip Wap
type: MusicRecording
duration: PT2M40S
duration ms: 160000
explicit: false
by artist: DJ Irwan
by artist: Ghetto Flow
by artist: Kalibwoy
by artist: Kempi
by artist: FRNKIE
in album: Urban Hits Top 50 2018
  type: MusicAlbum
  date published: 2018-11-30
isrc code: NLS241800327
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T08:52:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8cf9c5a16b109b52a29b4435b62a5a11f2c5011655f243fa3d4870bf7f2bac9f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2G4APySAmdgdfD1KEIUIwa.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2G4APySAmdgdfD1KEIUIwa
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8cf9c5a16b109b52a29b4435b62a5a11f2c5011655f243fa3d4870bf7f2bac9f","isrc":"NLS241800327","name":"Wip Wap","registered_at":"2026-06-24T08:52:17Z","spotify_id":"2G4APySAmdgdfD1KEIUIwa","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x8cf9c5a16b109b52a29b4435b62a5a11f2c5011655f243fa3d4870bf7f2bac9f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2G4APySAmdgdfD1KEIUIwa.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2G4APySAmdgdfD1KEIUIwa.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x8cf9c5a16b109b52a29b4435b62a5a11f2c5011655f243fa3d4870bf7f2bac9f","isrc":"NLS241800327","name":"Wip Wap","registered_at":"2026-06-24T08:52:17Z","spotify_id":"2G4APySAmdgdfD1KEIUIwa","type":"track"}

My Ting
type: MusicRecording
duration: PT2M42S
duration ms: 162212
explicit: false
by artist: Spanker
by artist: Mael
by artist: Kempi
in album: Ontbijten Met Champagne
  type: MusicAlbum
  date published: 2018-07-06
isrc code: NLG661800622
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T03:48:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf62980b9fe87017f2699707fc0b159bc74cf47b8b7d1f8ed0304d84973401d4f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7MV9Sly5aBSz2CQ14ASqmI.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7MV9Sly5aBSz2CQ14ASqmI
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf62980b9fe87017f2699707fc0b159bc74cf47b8b7d1f8ed0304d84973401d4f","isrc":"NLG661800622","name":"My Ting","registered_at":"2026-06-27T03:48:23Z","spotify_id":"7MV9Sly5aBSz2CQ14ASqmI","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf62980b9fe87017f2699707fc0b159bc74cf47b8b7d1f8ed0304d84973401d4f. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7MV9Sly5aBSz2CQ14ASqmI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7MV9Sly5aBSz2CQ14ASqmI.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0xf62980b9fe87017f2699707fc0b159bc74cf47b8b7d1f8ed0304d84973401d4f","isrc":"NLG661800622","name":"My Ting","registered_at":"2026-06-27T03:48:23Z","spotify_id":"7MV9Sly5aBSz2CQ14ASqmI","type":"track"}

Curadise (feat. Dezz)
type: MusicRecording
duration: PT3M28S
duration ms: 208875
explicit: false
by artist: Kalibwoy
by artist: Jhorrmountain
by artist: Kempi
by artist: Dezz
in album: FRASS4LIFE
  type: MusicAlbum
  date published: 2020-08-07
isrc code: NL1EW1800002
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T18:42:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x98a46e77b93b82cac651116d65a2c12e01a141c31ad09723b47ba588f14f0cea
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957118
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/13P4FDhaNW0nTYRMYMJNdg.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/13P4FDhaNW0nTYRMYMJNdg
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x98a46e77b93b82cac651116d65a2c12e01a141c31ad09723b47ba588f14f0cea","isrc":"NL1EW1800002","name":"Curadise (feat. Dezz)","registered_at":"2026-06-21T18:42:24Z","spotify_id":"13P4FDhaNW0nTYRMYMJNdg","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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
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  date published: 2026-07-08T03:20:19Z
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De Keuzes Die Je Maakt (Verspijkerd)
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by artist: Kempi
by artist: Sharon Doorson
in album: Van Dik Hout (Verspijkerd)
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  date published: 2019-12-13
isrc code: NLS241900538

Ik Kom Binnen
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by artist: Xerxes
by artist: Rocwell S
by artist: Kempi
by artist: Qino
in album: Urban Top 50
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  date published: 2018-05-18

Gevangenis
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by artist: Jermaine Niffer
by artist: Djaga Djaga
by artist: Kempi
in album: De Beste Urban Hits Van 2019
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  date published: 2019-11-08

Gevangenis
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by artist: Djaga Djaga
by artist: Kempi
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  date published: 2019-11-08

Laat Me Zien
type: MusicRecording
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by artist: Hef
by artist: Kempi
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  type: MusicAlbum
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Laat Me Zien
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by artist: Kempi
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Mollyworld
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by artist: Lilo
by artist: Kempi
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isrc code: GBLFP1779360

Big Man Ting
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by artist: RBDjan
by artist: Kempi
by artist: Puri
in album: Big Man Ting
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  date published: 2022-11-11
isrc code: QMDA72224590

Scootertijd
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by artist: Boef
by artist: Kempi
by artist: $hirak
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  date published: 2023-02-16
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z