Stefano Keizers
type: MusicGroup
popularity: 31
followers: 464
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf7cba0f287ab010033d59a750ae1425d23cd09c3f626489e994f5e893beafe96
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953423
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953423
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/128a5f6d-5a2b-4503-be1f-fbb3007e946f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/128a5f6d-5a2b-4503-be1f-fbb3007e946f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/128a5f6d-5a2b-4503-be1f-fbb3007e946f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T21:20:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf7cba0f287ab010033d59a750ae1425d23cd09c3f626489e994f5e893beafe96","name":"Stefano Keizers","registered_at":"2026-06-11T12:11:06Z","symbol":"NIM0024251","token_address":"0xf234af216f769a661ac11a7efa2466afe99763be","type":"artist","uuid":"128a5f6d-5a2b-4503-be1f-fbb3007e946f"}
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 0xf7cba0f287ab010033d59a750ae1425d23cd09c3f626489e994f5e893beafe96. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/128a5f6d-5a2b-4503-be1f-fbb3007e946f.json and https://artists.proofprofile.net/proofs/artist/128a5f6d-5a2b-4503-be1f-fbb3007e946f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0xf7cba0f287ab010033d59a750ae1425d23cd09c3f626489e994f5e893beafe96","name":"Stefano Keizers","registered_at":"2026-06-11T12:11:06Z","symbol":"NIM0024251","token_address":"0xf234af216f769a661ac11a7efa2466afe99763be","type":"artist","uuid":"128a5f6d-5a2b-4503-be1f-fbb3007e946f"}
album: Het Niets
  type: MusicAlbum
  date published: 2023-01-05
  track: Bij Jullie Zijn
    type: MusicRecording
    duration: PT2M49S
    duration ms: 169373
    explicit: false
    by artist: Véras
    in album: Het Niets
      type: MusicAlbum
      date published: 2023-01-05
    isrc code: NLSB72200881
  track: Sumbaya
    type: MusicRecording
    duration: PT3M21S
    duration ms: 201905
    explicit: false
    by artist: Véras
    by artist: Stefano Keizers
    in album: Het Niets
      type: MusicAlbum
      date published: 2023-01-05
    isrc code: NLSB72200882
  track: Alleen In Bed
    type: MusicRecording
    duration: PT3M3S
    duration ms: 183339
    explicit: false
    by artist: Véras
    by artist: Gotu Jim
    by artist: Ray Fuego
    in album: Het Niets
      type: MusicAlbum
      date published: 2023-01-05
    isrc code: NLSB72200883
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-19T17:27:25+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4197dbe617dd74e4cf87ad8ce0f17985ed12fa298e1faf9548c67e58bea21b08
    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/5YYGua7TW1KjqjqDO0EjqJ.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5YYGua7TW1KjqjqDO0EjqJ
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:30:09Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x4197dbe617dd74e4cf87ad8ce0f17985ed12fa298e1faf9548c67e58bea21b08","isrc":"NLSB72200883","name":"Alleen In Bed","registered_at":"2026-06-19T17:27:25Z","spotify_id":"5YYGua7TW1KjqjqDO0EjqJ","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 0x4197dbe617dd74e4cf87ad8ce0f17985ed12fa298e1faf9548c67e58bea21b08. 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/5YYGua7TW1KjqjqDO0EjqJ.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/5YYGua7TW1KjqjqDO0EjqJ.
      date published: 2026-07-02T03:30:09Z
      text: {"copyright_id":"0x4197dbe617dd74e4cf87ad8ce0f17985ed12fa298e1faf9548c67e58bea21b08","isrc":"NLSB72200883","name":"Alleen In Bed","registered_at":"2026-06-19T17:27:25Z","spotify_id":"5YYGua7TW1KjqjqDO0EjqJ","type":"track"}
  track: Engel In De Zwarte Zee
    type: MusicRecording
    duration: PT1M37S
    duration ms: 97614
    explicit: false
    by artist: Véras
    in album: Het Niets
      type: MusicAlbum
      date published: 2023-01-05
    isrc code: NLSB72200884
  track: Stilte En De Storm
    type: MusicRecording
    duration: PT3M0S
    duration ms: 180848
    explicit: false
    by artist: Véras
    by artist: Jeanne Rouwendaal
    in album: Het Niets
      type: MusicAlbum
      date published: 2023-01-05
    isrc code: NLSB72200885
  track: Iedereen Staart Ons Aan
    type: MusicRecording
    duration: PT3M30S
    duration ms: 210895
    explicit: false
    by artist: Véras
    by artist: Gotu Jim
    in album: Het Niets
      type: MusicAlbum
      date published: 2023-01-05
    isrc code: NLSB72200886
  track: Kapot
    type: MusicRecording
    duration: PT2M7S
    duration ms: 127124
    explicit: false
    by artist: Véras
    in album: Het Niets
      type: MusicAlbum
      date published: 2023-01-05
    isrc code: NLSB72200887
  track: De Wereld Zien
    type: MusicRecording
    duration: PT3M2S
    duration ms: 182434
    explicit: false
    by artist: Véras
    in album: Het Niets
      type: MusicAlbum
      date published: 2023-01-05
    isrc code: NLSB72200888
  track: Het Niets
    type: MusicRecording
    duration: PT3M37S
    duration ms: 217869
    explicit: false
    by artist: Véras
    by artist: Stefano Keizers
    in album: Het Niets
      type: MusicAlbum
      date published: 2023-01-05
    isrc code: NLSB72200889
  track: Spijt
    type: MusicRecording
    duration: PT3M23S
    duration ms: 203895
    explicit: false
    by artist: Véras
    in album: Het Niets
      type: MusicAlbum
      date published: 2023-01-05
    isrc code: NLSB72200890
  track: Slaappillen
    type: MusicRecording
    duration: PT1M0S
    duration ms: 60300
    explicit: false
    by artist: Véras
    in album: Het Niets
      type: MusicAlbum
      date published: 2023-01-05
    isrc code: NLSB72200891
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-23T23:38:25+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: Vier
  track: Het Alles
album: Destructie
album: Hallo
album: Twee Luitenanten (Onverkort)
album: Albino
album: Meeuw
album: Papa en Mama
album: Gloria
track: Sumbaya
track: Het Niets
track: Hallo
track: Hoofdstuk 1 - Twee Luitenanten
track: Hoofdstuk 2 - Twee Luitenanten
track: Hoofdstuk 3 - Twee Luitenanten
track: Hoofdstuk 4 - Twee Luitenanten
track: Hoofdstuk 5 - Twee Luitenanten
track: Hoofdstuk 6 - Twee Luitenanten
track: Hoofdstuk 7 - Twee Luitenanten
track: Hoofdstuk 8 - Twee Luitenanten
track: Hoofdstuk 9 - Twee Luitenanten
track: Hoofdstuk 10 - Twee Luitenanten
track: Hoofdstuk 11 - Twee Luitenanten
track: Hoofdstuk 12 - Twee Luitenanten
track: Hoofdstuk 13 - Twee Luitenanten
track: Hoofdstuk 14 - Twee Luitenanten
track: Hoofdstuk 15 - Twee Luitenanten
track: Hoofdstuk 16 - Twee Luitenanten

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x248cae6b2260fc796d2bb40ed9e5d0f13be0c2a00f49c7ebd9c7f26a31cfaad5

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956304

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/4rZ0w2Qugor40rbAvLqENB.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4rZ0w2Qugor40rbAvLqENB

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

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 0x248cae6b2260fc796d2bb40ed9e5d0f13be0c2a00f49c7ebd9c7f26a31cfaad5. 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/4rZ0w2Qugor40rbAvLqENB.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/4rZ0w2Qugor40rbAvLqENB.
date published: 2026-07-02T03:55:08Z

Vier
type: MusicRecording
duration: PT4M44S
duration ms: 284839
explicit: false
by artist: Véras
in album: Het Niets
  type: MusicAlbum
  date published: 2023-01-05
isrc code: NLSB72200892

Het Alles
type: MusicRecording
duration: PT3M1S
duration ms: 181983
explicit: false
by artist: Véras
in album: Het Niets
  type: MusicAlbum
  date published: 2023-01-05
isrc code: NLSB72200893

Destructie
type: MusicAlbum
date published: 2020-04-17
track: De Langste Nacht
  type: MusicRecording
  duration: PT1M36S
  duration ms: 96000
  explicit: false
  by artist: Véras
  in album: Destructie
    type: MusicAlbum
    date published: 2020-04-17
  isrc code: NLB602000055
track: Tyfoon
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189068
  explicit: false
  by artist: Véras
  in album: Destructie
    type: MusicAlbum
    date published: 2020-04-17
  isrc code: NLB602000020
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T12:48:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x75cc2feace3a1ad37795daa303bd922b2155771d7a1d403c036b7846b7ff82a6
  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/7ugz62mqd0w0ZHsbQHCbUw.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7ugz62mqd0w0ZHsbQHCbUw
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  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 0x75cc2feace3a1ad37795daa303bd922b2155771d7a1d403c036b7846b7ff82a6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7ugz62mqd0w0ZHsbQHCbUw.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/7ugz62mqd0w0ZHsbQHCbUw.
    date published: 2026-07-08T03:20:19Z
track: Hallo
  type: MusicRecording
  duration: PT2M38S
  duration ms: 158367
  explicit: false
  by artist: Véras
  by artist: Stefano Keizers
  in album: Destructie
    type: MusicAlbum
    date published: 2020-04-17
  isrc code: NLB602000037
track: Stadskanaal
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192820
  explicit: false
  by artist: Véras
  in album: Destructie
    type: MusicAlbum
    date published: 2020-04-17
  isrc code: QZES51855170
track: Niemandsland
  type: MusicRecording
  duration: PT3M27S
  duration ms: 207058
  explicit: false
  by artist: Véras
  in album: Destructie
    type: MusicAlbum
    date published: 2020-04-17
  isrc code: NLB602000056
track: Afscheid
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186105
  explicit: false
  by artist: Véras
  in album: Destructie
    type: MusicAlbum
    date published: 2020-04-17

Hallo
type: MusicAlbum
date published: 2020-02-28
track: Hallo
  type: MusicRecording
  duration: PT2M38S
  duration ms: 158367
  explicit: false
  by artist: Véras
  by artist: Stefano Keizers
  in album: Hallo
    type: MusicAlbum
    date published: 2020-02-28
  isrc code: NLB602000037

Twee Luitenanten (Onverkort)
type: MusicAlbum
date published: 2018-12-11
track: Hoofdstuk 1 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185130
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 2 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181994
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 3 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183310
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 4 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183846
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 5 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186969
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 6 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183887
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 7 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189180
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 8 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189816
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 9 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185876
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 10 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188761
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 11 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184917
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 12 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M2S
  duration ms: 182969
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 13 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M2S
  duration ms: 182816
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 14 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184179
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 15 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186226
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 16 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185952
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 17 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186231
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 18 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184974
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 19 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193675
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 20 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185204
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 21 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184021
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 22 - Twee Luitenanten
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184089
  explicit: false
  by artist: Stefano Keizers
  in album: Twee Luitenanten (Onverkort)
    type: MusicAlbum
    date published: 2018-12-11
track: Hoofdstuk 23 - Twee Luitenanten
track: Hoofdstuk 24 - Twee Luitenanten
track: Hoofdstuk 25 - Twee Luitenanten
track: Hoofdstuk 26 - Twee Luitenanten
track: Hoofdstuk 27 - Twee Luitenanten
track: Hoofdstuk 28 - Twee Luitenanten
track: Hoofdstuk 29 - Twee Luitenanten
track: Hoofdstuk 30 - Twee Luitenanten
track: Hoofdstuk 31 - Twee Luitenanten
track: Hoofdstuk 32 - Twee Luitenanten
track: Hoofdstuk 33 - Twee Luitenanten
track: Hoofdstuk 34 - Twee Luitenanten
track: Hoofdstuk 35 - Twee Luitenanten
track: Hoofdstuk 36 - Twee Luitenanten
track: Hoofdstuk 37 - Twee Luitenanten
track: Hoofdstuk 38 - Twee Luitenanten
track: Hoofdstuk 39 - Twee Luitenanten
track: Hoofdstuk 40 - Twee Luitenanten
track: Hoofdstuk 41 - Twee Luitenanten
track: Hoofdstuk 42 - Twee Luitenanten
track: Hoofdstuk 43 - Twee Luitenanten
track: Hoofdstuk 44 - Twee Luitenanten
track: Hoofdstuk 45 - Twee Luitenanten
track: Hoofdstuk 46 - Twee Luitenanten
track: Hoofdstuk 47 - Twee Luitenanten
track: Hoofdstuk 48 - Twee Luitenanten
track: Hoofdstuk 49 - Twee Luitenanten
track: Hoofdstuk 50 - Twee Luitenanten

Hoofdstuk 23 - Twee Luitenanten
type: MusicRecording
duration: PT3M3S
duration ms: 183915
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 24 - Twee Luitenanten
type: MusicRecording
duration: PT3M4S
duration ms: 184456
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 25 - Twee Luitenanten
type: MusicRecording
duration: PT3M4S
duration ms: 184229
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 26 - Twee Luitenanten
type: MusicRecording
duration: PT3M20S
duration ms: 200967
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 27 - Twee Luitenanten
type: MusicRecording
duration: PT3M3S
duration ms: 183394
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 28 - Twee Luitenanten
type: MusicRecording
duration: PT3M5S
duration ms: 185677
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 29 - Twee Luitenanten
type: MusicRecording
duration: PT3M2S
duration ms: 182348
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 30 - Twee Luitenanten
type: MusicRecording
duration: PT3M5S
duration ms: 185651
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 31 - Twee Luitenanten
type: MusicRecording
duration: PT3M5S
duration ms: 185682
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 32 - Twee Luitenanten
type: MusicRecording
duration: PT3M2S
duration ms: 182804
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 33 - Twee Luitenanten
type: MusicRecording
duration: PT3M8S
duration ms: 188207
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 34 - Twee Luitenanten
type: MusicRecording
duration: PT3M6S
duration ms: 186725
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 35 - Twee Luitenanten
type: MusicRecording
duration: PT3M2S
duration ms: 182681
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 36 - Twee Luitenanten
type: MusicRecording
duration: PT3M4S
duration ms: 184540
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 37 - Twee Luitenanten
type: MusicRecording
duration: PT3M6S
duration ms: 186032
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 38 - Twee Luitenanten
type: MusicRecording
duration: PT3M12S
duration ms: 192944
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 39 - Twee Luitenanten
type: MusicRecording
duration: PT3M2S
duration ms: 182170
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 40 - Twee Luitenanten
type: MusicRecording
duration: PT3M9S
duration ms: 189973
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 41 - Twee Luitenanten
type: MusicRecording
duration: PT3M1S
duration ms: 181981
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 42 - Twee Luitenanten
type: MusicRecording
duration: PT3M2S
duration ms: 182004
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 43 - Twee Luitenanten
type: MusicRecording
duration: PT3M7S
duration ms: 187402
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 44 - Twee Luitenanten
type: MusicRecording
duration: PT3M2S
duration ms: 182430
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 45 - Twee Luitenanten
type: MusicRecording
duration: PT3M10S
duration ms: 190702
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 46 - Twee Luitenanten
type: MusicRecording
duration: PT3M5S
duration ms: 185685
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 47 - Twee Luitenanten
type: MusicRecording
duration: PT3M4S
duration ms: 184555
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 48 - Twee Luitenanten
type: MusicRecording
duration: PT3M13S
duration ms: 193246
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 49 - Twee Luitenanten
type: MusicRecording
duration: PT3M4S
duration ms: 184447
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Hoofdstuk 50 - Twee Luitenanten
type: MusicRecording
duration: PT3M10S
duration ms: 190739
explicit: false
by artist: Stefano Keizers
in album: Twee Luitenanten (Onverkort)
  type: MusicAlbum
  date published: 2018-12-11

Albino
type: MusicAlbum
date published: 2019-01-18
track: Joost Klein
  type: MusicRecording
  duration: PT1M56S
  duration ms: 116951
  explicit: false
  by artist: Joost
  in album: Albino
    type: MusicAlbum
    date published: 2019-01-18
  isrc code: NL1MC1900001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T05:23:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x05e3d74cfb198483b29a84c154a84a0780733c61f88fb839ab259ff2f8789734
  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/2lj2y6ZppRELMdM3PL2ifT.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2lj2y6ZppRELMdM3PL2ifT
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x05e3d74cfb198483b29a84c154a84a0780733c61f88fb839ab259ff2f8789734","isrc":"NL1MC1900001","name":"Joost Klein","registered_at":"2026-06-05T05:23:15Z","spotify_id":"2lj2y6ZppRELMdM3PL2ifT","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 0x05e3d74cfb198483b29a84c154a84a0780733c61f88fb839ab259ff2f8789734. 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/2lj2y6ZppRELMdM3PL2ifT.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/2lj2y6ZppRELMdM3PL2ifT.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x05e3d74cfb198483b29a84c154a84a0780733c61f88fb839ab259ff2f8789734","isrc":"NL1MC1900001","name":"Joost Klein","registered_at":"2026-06-05T05:23:15Z","spotify_id":"2lj2y6ZppRELMdM3PL2ifT","type":"track"}
track: Albino
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212177
  explicit: false
  by artist: Joost
  by artist: Tice
  in album: Albino
    type: MusicAlbum
    date published: 2019-01-18
  isrc code: NL1MC1900002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T10:11:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdfd402324eea2a52bd1cd55815ae9bf51dab1e7c2d1fc7b70e4478736654569d
  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/7xVssMegpAxQ8GuFa84V31.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7xVssMegpAxQ8GuFa84V31
  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 0xdfd402324eea2a52bd1cd55815ae9bf51dab1e7c2d1fc7b70e4478736654569d. 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/7xVssMegpAxQ8GuFa84V31.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/7xVssMegpAxQ8GuFa84V31.
    date published: 2026-06-13T12:47:07Z
track: Ich Bin Krank
  type: MusicRecording
  duration: PT2M14S
  duration ms: 134447
  explicit: false
  by artist: Joost
  in album: Albino
    type: MusicAlbum
    date published: 2019-01-18
  isrc code: NL1MC1900003
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T08:33:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa406f0ec0a90f5e3c39776210087bd129cc919b6f925e860732b96d236f2668c
  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/0NZRGlATAFNRWwBjNGA3DC.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0NZRGlATAFNRWwBjNGA3DC
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa406f0ec0a90f5e3c39776210087bd129cc919b6f925e860732b96d236f2668c","isrc":"NL1MC1900003","name":"Ich Bin Krank","registered_at":"2026-06-08T08:33:02Z","spotify_id":"0NZRGlATAFNRWwBjNGA3DC","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 0xa406f0ec0a90f5e3c39776210087bd129cc919b6f925e860732b96d236f2668c. 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/0NZRGlATAFNRWwBjNGA3DC.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/0NZRGlATAFNRWwBjNGA3DC.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xa406f0ec0a90f5e3c39776210087bd129cc919b6f925e860732b96d236f2668c","isrc":"NL1MC1900003","name":"Ich Bin Krank","registered_at":"2026-06-08T08:33:02Z","spotify_id":"0NZRGlATAFNRWwBjNGA3DC","type":"track"}
track: Bus Gemist
  type: MusicRecording
  duration: PT2M45S
  duration ms: 165076
  explicit: false
  by artist: Joost
  by artist: Mick Spek
  by artist: Daan Koens
  in album: Albino
    type: MusicAlbum
    date published: 2019-01-18
  isrc code: NL1MC1900004
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T00:32:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd288ac8a3efcd1db254254b938376e8ea1b9607da0dc2076e7333c16a8b12fa7
  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/3UU8OqJfnsj1Z5lCQdTSJ6.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3UU8OqJfnsj1Z5lCQdTSJ6
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xd288ac8a3efcd1db254254b938376e8ea1b9607da0dc2076e7333c16a8b12fa7","isrc":"NL1MC1900004","name":"Bus Gemist","registered_at":"2026-06-06T00:32:31Z","spotify_id":"3UU8OqJfnsj1Z5lCQdTSJ6","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 0xd288ac8a3efcd1db254254b938376e8ea1b9607da0dc2076e7333c16a8b12fa7. 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/3UU8OqJfnsj1Z5lCQdTSJ6.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/3UU8OqJfnsj1Z5lCQdTSJ6.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xd288ac8a3efcd1db254254b938376e8ea1b9607da0dc2076e7333c16a8b12fa7","isrc":"NL1MC1900004","name":"Bus Gemist","registered_at":"2026-06-06T00:32:31Z","spotify_id":"3UU8OqJfnsj1Z5lCQdTSJ6","type":"track"}
track: Glaassie Water
  type: MusicRecording
  duration: PT1M27S
  duration ms: 87437
  explicit: false
  by artist: Joost
  in album: Albino
    type: MusicAlbum
    date published: 2019-01-18
  isrc code: QZES91868603
  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: Shrek
track: Ome Robert
track: Voorhoede
track: Meeuw
track: Agoeie
track: Door De Kerk
track: Guus Meeuwis
track: Demonen In Me Lichaam

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-05T06:26:16+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x2098e8b4e20f70f43c3e30155e94a8e11f216977af936863f96acb3b89b3c8c6

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/4ylgxoKpv0UwCUP4INgVNp.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4ylgxoKpv0UwCUP4INgVNp

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

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x2098e8b4e20f70f43c3e30155e94a8e11f216977af936863f96acb3b89b3c8c6","isrc":"QZES91868603","name":"Glaassie Water","registered_at":"2026-06-05T06:26:16Z","spotify_id":"4ylgxoKpv0UwCUP4INgVNp","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 0x2098e8b4e20f70f43c3e30155e94a8e11f216977af936863f96acb3b89b3c8c6. 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/4ylgxoKpv0UwCUP4INgVNp.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/4ylgxoKpv0UwCUP4INgVNp.
date published: 2026-06-13T15:41:10Z
text: {"copyright_id":"0x2098e8b4e20f70f43c3e30155e94a8e11f216977af936863f96acb3b89b3c8c6","isrc":"QZES91868603","name":"Glaassie Water","registered_at":"2026-06-05T06:26:16Z","spotify_id":"4ylgxoKpv0UwCUP4INgVNp","type":"track"}

Shrek
type: MusicRecording
duration: PT2M21S
duration ms: 141692
explicit: false
by artist: Joost
in album: Albino
  type: MusicAlbum
  date published: 2019-01-18
isrc code: NL1MC1900005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T08:36:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x45a8eb2fb0612f8f15335195806452febbf9d3abe62c60e916b4516c47d76e25
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/4ezFZsx32leihtAu0Rh5GZ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4ezFZsx32leihtAu0Rh5GZ
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 0x45a8eb2fb0612f8f15335195806452febbf9d3abe62c60e916b4516c47d76e25. 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/4ezFZsx32leihtAu0Rh5GZ.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/4ezFZsx32leihtAu0Rh5GZ.
  date published: 2026-06-13T17:25:41Z

Ome Robert
type: MusicRecording
duration: PT2M32S
duration ms: 152500
explicit: false
by artist: Joost
in album: Albino
  type: MusicAlbum
  date published: 2019-01-18
isrc code: NLG661800442
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T06:05:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2120520d16b8a08a73f06c50b97495bb811e5f853914a79fb5aaa4c96319fad8
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/4hFLAgCvQdngAtIhb3KaVI.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4hFLAgCvQdngAtIhb3KaVI
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2120520d16b8a08a73f06c50b97495bb811e5f853914a79fb5aaa4c96319fad8","isrc":"NLG661800442","name":"Ome Robert","registered_at":"2026-06-04T06:05:41Z","spotify_id":"4hFLAgCvQdngAtIhb3KaVI","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 0x2120520d16b8a08a73f06c50b97495bb811e5f853914a79fb5aaa4c96319fad8. 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/4hFLAgCvQdngAtIhb3KaVI.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/4hFLAgCvQdngAtIhb3KaVI.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x2120520d16b8a08a73f06c50b97495bb811e5f853914a79fb5aaa4c96319fad8","isrc":"NLG661800442","name":"Ome Robert","registered_at":"2026-06-04T06:05:41Z","spotify_id":"4hFLAgCvQdngAtIhb3KaVI","type":"track"}

Voorhoede
type: MusicRecording
duration: PT2M2S
duration ms: 122764
explicit: false
by artist: Joost
by artist: Brunzyn
in album: Albino
  type: MusicAlbum
  date published: 2019-01-18
isrc code: NL1MC1900006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T08:31:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb5a8033264648c06bc6d227377415f76e6086c997b36f1387613e1c8cee84ad5
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/6m1ZndzH8TCj4wvjPpNpt7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6m1ZndzH8TCj4wvjPpNpt7
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 0xb5a8033264648c06bc6d227377415f76e6086c997b36f1387613e1c8cee84ad5. 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/6m1ZndzH8TCj4wvjPpNpt7.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/6m1ZndzH8TCj4wvjPpNpt7.
  date published: 2026-06-13T17:25:41Z

Meeuw
type: MusicRecording
duration: PT3M26S
duration ms: 206625
explicit: false
by artist: Joost
by artist: Stefano Keizers
in album: Albino
  type: MusicAlbum
  date published: 2019-01-18
isrc code: NLG661800340
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T06:29:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5e057e7f893659fe358fc801393316db32dc8d8ad3b8281aea11161948406f12
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/58SAzHDZoAKTv5mNBZywak.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/58SAzHDZoAKTv5mNBZywak
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 0x5e057e7f893659fe358fc801393316db32dc8d8ad3b8281aea11161948406f12. 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/58SAzHDZoAKTv5mNBZywak.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/58SAzHDZoAKTv5mNBZywak.
  date published: 2026-06-13T15:41:10Z

Agoeie
type: MusicRecording
duration: PT2M11S
duration ms: 131408
explicit: false
by artist: Joost
by artist: Daan Koens
in album: Albino
  type: MusicAlbum
  date published: 2019-01-18
isrc code: NL1MC1900007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T12:51:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5c3cb04921706fc5cbc850fa19fa40138d621c883561959c1b6f291225965a47
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/65OiugSZZ4GSJC92XX33Hh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/65OiugSZZ4GSJC92XX33Hh
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 0x5c3cb04921706fc5cbc850fa19fa40138d621c883561959c1b6f291225965a47. 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/65OiugSZZ4GSJC92XX33Hh.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/65OiugSZZ4GSJC92XX33Hh.
  date published: 2026-06-13T15:41:10Z

Door De Kerk
type: MusicRecording
duration: PT3M9S
duration ms: 189187
explicit: false
by artist: Joost
in album: Albino
  type: MusicAlbum
  date published: 2019-01-18
isrc code: NL1MC1900008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T13:57:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x96cf5e0b272e96ea27562a4c767504fc067cf6c52ca5c86b078136f00ba99f04
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/3nHALlbTj5BXiNEJQJwrhS.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3nHALlbTj5BXiNEJQJwrhS
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x96cf5e0b272e96ea27562a4c767504fc067cf6c52ca5c86b078136f00ba99f04","isrc":"NL1MC1900008","name":"Door De Kerk","registered_at":"2026-06-04T13:57:23Z","spotify_id":"3nHALlbTj5BXiNEJQJwrhS","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 0x96cf5e0b272e96ea27562a4c767504fc067cf6c52ca5c86b078136f00ba99f04. 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/3nHALlbTj5BXiNEJQJwrhS.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/3nHALlbTj5BXiNEJQJwrhS.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x96cf5e0b272e96ea27562a4c767504fc067cf6c52ca5c86b078136f00ba99f04","isrc":"NL1MC1900008","name":"Door De Kerk","registered_at":"2026-06-04T13:57:23Z","spotify_id":"3nHALlbTj5BXiNEJQJwrhS","type":"track"}

Guus Meeuwis
type: MusicRecording
duration: PT2M54S
duration ms: 174312
explicit: false
by artist: Joost
by artist: Mick Spek
in album: Albino
  type: MusicAlbum
  date published: 2019-01-18
isrc code: NL1MC1900009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T08:27:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x38d9889cd160a3203a824cd8a092cc12ace621160d0f21f733003b0fc24ca4fc
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/6SsUaZrFHXwAjSkVqsKUew.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6SsUaZrFHXwAjSkVqsKUew
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x38d9889cd160a3203a824cd8a092cc12ace621160d0f21f733003b0fc24ca4fc","isrc":"NL1MC1900009","name":"Guus Meeuwis","registered_at":"2026-06-08T08:27:38Z","spotify_id":"6SsUaZrFHXwAjSkVqsKUew","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 0x38d9889cd160a3203a824cd8a092cc12ace621160d0f21f733003b0fc24ca4fc. 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/6SsUaZrFHXwAjSkVqsKUew.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/6SsUaZrFHXwAjSkVqsKUew.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x38d9889cd160a3203a824cd8a092cc12ace621160d0f21f733003b0fc24ca4fc","isrc":"NL1MC1900009","name":"Guus Meeuwis","registered_at":"2026-06-08T08:27:38Z","spotify_id":"6SsUaZrFHXwAjSkVqsKUew","type":"track"}

Demonen In Me Lichaam
type: MusicRecording
duration: PT3M7S
duration ms: 187057
explicit: false
by artist: Joost
in album: Albino
  type: MusicAlbum
  date published: 2019-01-18
isrc code: NL1MC1900010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T20:38:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7565bdd255c81a5511cb86a9a18a096c57acf9df1c774fda13d8202c2535c2b2
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/3s1Sk61JVqPo1Lbpei69C4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3s1Sk61JVqPo1Lbpei69C4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7565bdd255c81a5511cb86a9a18a096c57acf9df1c774fda13d8202c2535c2b2","isrc":"NL1MC1900010","name":"Demonen In Me Lichaam","registered_at":"2026-06-06T20:38:10Z","spotify_id":"3s1Sk61JVqPo1Lbpei69C4","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 0x7565bdd255c81a5511cb86a9a18a096c57acf9df1c774fda13d8202c2535c2b2. 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/3s1Sk61JVqPo1Lbpei69C4.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/3s1Sk61JVqPo1Lbpei69C4.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x7565bdd255c81a5511cb86a9a18a096c57acf9df1c774fda13d8202c2535c2b2","isrc":"NL1MC1900010","name":"Demonen In Me Lichaam","registered_at":"2026-06-06T20:38:10Z","spotify_id":"3s1Sk61JVqPo1Lbpei69C4","type":"track"}

Meeuw
type: MusicAlbum
date published: 2018-03-21
track: Meeuw
  type: MusicRecording
  duration: PT3M26S
  duration ms: 206625
  explicit: false
  by artist: Joost
  by artist: Stefano Keizers
  in album: Meeuw
    type: MusicAlbum
    date published: 2018-03-21
  isrc code: NLG661800340
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e057e7f893659fe358fc801393316db32dc8d8ad3b8281aea11161948406f12. 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/2TV1IfBNbGwL859kdcfGwJ.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/2TV1IfBNbGwL859kdcfGwJ.
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Papa en Mama
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dcaf2cea34a120f71aab055db25ba0fcf8059847b5562e01412b2b6a332ed8c. 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/6i0c4VSTOtsjizdQe6mCII.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/6i0c4VSTOtsjizdQe6mCII.
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track: Kut!
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe11e4f9b902b2c461eee2ae9b7445d3934a7118ca285e2ca732d1190f8f9560e. 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/4RMMcvhXaaowXhtzsEwFi1.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/4RMMcvhXaaowXhtzsEwFi1.
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Gloria
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track: Lieve Kerstman
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track: Onrust En Hoop
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  by artist: Thijs Boontjes
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track: Gaan We Kerstmis Samen Vieren?
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  by artist: Marien Dorleijn
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track: Thuis Met Kerst
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  by artist: Ruben Hein
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track: Volhouden Tot Kerstmis
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  by artist: Niek Nellen
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track: Kerst In Bed
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  by artist: Clean Pete
  by artist: Lucky Fonz III
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    type: MusicAlbum
    date published: 2019-11-15
  isrc code: NLB601900226
track: Haal Mij Over
  type: MusicRecording
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  by artist: Clean Pete
  by artist: Pieter Embrechts
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    type: MusicAlbum
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  isrc code: NLB601900227
track: Ster
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  by artist: Clean Pete
  by artist: Lea Kliphuis
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    type: MusicAlbum
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track: Oh Het Sneeuwt
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track: Kerstdiner
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  by artist: Anne Soldaat
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track: Kerstverhaal
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Sumbaya
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Het Niets
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Hallo
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by artist: Stefano Keizers
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isrc code: NLB602000037

Hallo
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Hoofdstuk 1 - Twee Luitenanten
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Hoofdstuk 2 - Twee Luitenanten
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Hoofdstuk 3 - Twee Luitenanten
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Hoofdstuk 4 - Twee Luitenanten
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Hoofdstuk 5 - Twee Luitenanten
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Hoofdstuk 6 - Twee Luitenanten
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Hoofdstuk 7 - Twee Luitenanten
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Hoofdstuk 8 - Twee Luitenanten
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Hoofdstuk 9 - Twee Luitenanten
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  type: MusicAlbum
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Hoofdstuk 10 - Twee Luitenanten
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Hoofdstuk 11 - Twee Luitenanten
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Hoofdstuk 12 - Twee Luitenanten
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Hoofdstuk 13 - Twee Luitenanten
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Hoofdstuk 14 - Twee Luitenanten
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Hoofdstuk 15 - Twee Luitenanten
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Hoofdstuk 16 - Twee Luitenanten
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duration: PT3M5S
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