Coole Piet
type: MusicGroup
popularity: 32
followers: 20985
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5e40cc60c23331dcb53569fc27a51e019141f496ec5866cdd132054a606a8968
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/1ba35ba8-ea69-4b3e-a293-f492b4a9d901.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1ba35ba8-ea69-4b3e-a293-f492b4a9d901.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1ba35ba8-ea69-4b3e-a293-f492b4a9d901
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T21:20:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5e40cc60c23331dcb53569fc27a51e019141f496ec5866cdd132054a606a8968","name":"Coole Piet","registered_at":"2026-06-11T13:25:27Z","symbol":"NIM0035461","token_address":"0x32dfe630278cac4a69141a2f7f23d80a773e6631","type":"artist","uuid":"1ba35ba8-ea69-4b3e-a293-f492b4a9d901"}
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 0x5e40cc60c23331dcb53569fc27a51e019141f496ec5866cdd132054a606a8968. 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/1ba35ba8-ea69-4b3e-a293-f492b4a9d901.json and https://artists.proofprofile.net/proofs/artist/1ba35ba8-ea69-4b3e-a293-f492b4a9d901.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x5e40cc60c23331dcb53569fc27a51e019141f496ec5866cdd132054a606a8968","name":"Coole Piet","registered_at":"2026-06-11T13:25:27Z","symbol":"NIM0035461","token_address":"0x32dfe630278cac4a69141a2f7f23d80a773e6631","type":"artist","uuid":"1ba35ba8-ea69-4b3e-a293-f492b4a9d901"}
album: De Streken van Tante Toets
  type: MusicAlbum
  date published: 2005-11-07
  track: De streken van Tante Toets - Radio versie
    type: MusicRecording
    duration: PT2M44S
    duration ms: 164440
    explicit: false
    by artist: Coole Piet
    in album: De Streken van Tante Toets
      type: MusicAlbum
      date published: 2005-11-07
    isrc code: NLR790500001
  track: De streken van Tante Toets - Karaoke versie
    type: MusicRecording
    duration: PT2M42S
    duration ms: 162946
    explicit: false
    by artist: Coole Piet
    in album: De Streken van Tante Toets
      type: MusicAlbum
      date published: 2005-11-07
album: 1 Sinterklaas (De Club Van Sinterklaas)
  type: MusicAlbum
  date published: 2012-10-26
  track: 1 Sinterklaas
    type: MusicRecording
    duration: PT3M12S
    duration ms: 192876
    explicit: false
    by artist: Coole Piet
    in album: 1 Sinterklaas (De Club Van Sinterklaas)
      type: MusicAlbum
      date published: 2012-10-26
    isrc code: NLS241201802
album: Een Echte Piet (De Club Van Sinterklaas)
  type: MusicAlbum
  date published: 2013-11-01
  track: Een Echte Piet
    type: MusicRecording
    duration: PT3M2S
    duration ms: 182868
    explicit: false
    by artist: Coole Piet
    in album: Een Echte Piet (De Club Van Sinterklaas)
      type: MusicAlbum
      date published: 2013-11-01
  track: De Pietendans
    type: MusicRecording
    duration: PT2M49S
    duration ms: 169752
    explicit: false
    by artist: Coole Piet
    in album: Een Echte Piet (De Club Van Sinterklaas)
      type: MusicAlbum
      date published: 2013-11-01
    isrc code: NLS241204059
album: Viva Sinterklaas
  type: MusicAlbum
  date published: 2016-10-10
  track: Viva Sinterklaas
    type: MusicRecording
    duration: PT3M7S
    duration ms: 187714
    explicit: false
    by artist: Coole Piet
    in album: Viva Sinterklaas
      type: MusicAlbum
      date published: 2016-10-10
album: Chocola
  type: MusicAlbum
  date published: 2018-10-23
  track: Chocola
    type: MusicRecording
    duration: PT2M44S
    duration ms: 164997
    explicit: false
    by artist: Coole Piet
    in album: Chocola
      type: MusicAlbum
      date published: 2018-10-23
    isrc code: NLHR51845719
  track: Chocola (Meezing Versie)
    type: MusicRecording
    duration: PT2M44S
    duration ms: 164372
    explicit: false
    by artist: Coole Piet
    in album: Chocola
      type: MusicAlbum
      date published: 2018-10-23
album: Swingelele
  type: MusicAlbum
  date published: 2019-10-18
  track: Swingelele
    type: MusicRecording
    duration: PT3M3S
    duration ms: 183382
    explicit: false
    by artist: Coole Piet
    in album: Swingelele
      type: MusicAlbum
      date published: 2019-10-18
    isrc code: NLHR51958028
album: Pieten Clublied
  type: MusicAlbum
  date published: 2019-11-04
  track: Pieten Clublied
    type: MusicRecording
    duration: PT3M0S
    duration ms: 180460
    explicit: false
    by artist: Coole Piet
    in album: Pieten Clublied
      type: MusicAlbum
      date published: 2019-11-04
album: Paniek Op Het Kasteel
  type: MusicAlbum
  date published: 2020-10-01
  track: Paniek Op Het Kasteel
    type: MusicRecording
    duration: PT2M55S
    duration ms: 175130
    explicit: false
    by artist: Coole Piet
    in album: Paniek Op Het Kasteel
      type: MusicAlbum
      date published: 2020-10-01
album: Paniek Op Het Kasteel
  type: MusicAlbum
  date published: 2020-10-01
  track: Paniek Op Het Kasteel
    type: MusicRecording
    duration: PT2M55S
    duration ms: 175130
    explicit: false
    by artist: Coole Piet
    in album: Paniek Op Het Kasteel
      type: MusicAlbum
      date published: 2020-10-01
album: Pietentube
  type: MusicAlbum
  date published: 2020-11-01
  track: Pietentube
    type: MusicRecording
    duration: PT2M18S
    duration ms: 138632
    explicit: false
    by artist: Coole Piet
    in album: Pietentube
      type: MusicAlbum
      date published: 2020-11-01
album: Pietentube
  type: MusicAlbum
  date published: 2020-11-01
  track: Pietentube
    type: MusicRecording
    duration: PT2M18S
    duration ms: 138632
    explicit: false
    by artist: Coole Piet
    in album: Pietentube
      type: MusicAlbum
      date published: 2020-11-01
track: Zoeken, Zoeken, Zoeken
track: Alle Brieven
track: Piet Ging Uit Fietsen
track: Het Paard Van Sinterklaas
track: Het Verjaardagslied
track: Alle Pieten Zwaaien
track: De Gestrande Stoomboot
track: Ben Je Boos Op Mij
track: Op De Hoge Daken
track: Springen
track: Wij Zijn Toch Pieten
track: Paniek Op Het Kasteel
track: Feesten Op De Daken
track: Ooh Ooh Heejo
track: Pakjesavond op 5 december
track: Pakjesfabriek
track: Pieten Piraten
track: Pietentube
track: Allermooiste Schoentje
track: Het Dak Eraf (WK Versie)

Zoeken, Zoeken, Zoeken
type: MusicRecording
duration: PT2M46S
duration ms: 166187
explicit: false
by artist: Coole Piet
in album: De Leukste Liedjes 2021
  type: MusicAlbum
  date published: 2021-11-12
isrc code: NL2QQ2100095
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T03:27:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x03c0ff0f28ff90f7cfb60c6a1dddcc8f7d29c604ae60d5af018526628b88102e
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/5Q9PwcMBX4lPghd1Xwphfz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Q9PwcMBX4lPghd1Xwphfz
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x03c0ff0f28ff90f7cfb60c6a1dddcc8f7d29c604ae60d5af018526628b88102e","isrc":"NL2QQ2100095","name":"Zoeken, Zoeken, Zoeken","registered_at":"2026-06-11T03:27:24Z","spotify_id":"5Q9PwcMBX4lPghd1Xwphfz","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 0x03c0ff0f28ff90f7cfb60c6a1dddcc8f7d29c604ae60d5af018526628b88102e. 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/5Q9PwcMBX4lPghd1Xwphfz.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/5Q9PwcMBX4lPghd1Xwphfz.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x03c0ff0f28ff90f7cfb60c6a1dddcc8f7d29c604ae60d5af018526628b88102e","isrc":"NL2QQ2100095","name":"Zoeken, Zoeken, Zoeken","registered_at":"2026-06-11T03:27:24Z","spotify_id":"5Q9PwcMBX4lPghd1Xwphfz","type":"track"}

Alle Brieven
type: MusicRecording
duration: PT2M42S
duration ms: 162617
explicit: false
by artist: Coole Piet
in album: De Leukste Liedjes 2021
  type: MusicAlbum
  date published: 2021-11-12
isrc code: NL2QQ2100094
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T06:39:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0a86565fc9c04dde7e2eb502bbb24d826a9b24845c102daeeef0743a8e19aff9
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/3bPChGjw0bR8qWuaiDxswj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3bPChGjw0bR8qWuaiDxswj
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0a86565fc9c04dde7e2eb502bbb24d826a9b24845c102daeeef0743a8e19aff9","isrc":"NL2QQ2100094","name":"Alle Brieven","registered_at":"2026-06-23T06:39:37Z","spotify_id":"3bPChGjw0bR8qWuaiDxswj","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 0x0a86565fc9c04dde7e2eb502bbb24d826a9b24845c102daeeef0743a8e19aff9. 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/3bPChGjw0bR8qWuaiDxswj.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/3bPChGjw0bR8qWuaiDxswj.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x0a86565fc9c04dde7e2eb502bbb24d826a9b24845c102daeeef0743a8e19aff9","isrc":"NL2QQ2100094","name":"Alle Brieven","registered_at":"2026-06-23T06:39:37Z","spotify_id":"3bPChGjw0bR8qWuaiDxswj","type":"track"}

Piet Ging Uit Fietsen
type: MusicRecording
duration: PT1M53S
duration ms: 113703
explicit: false
by artist: Coole Piet
in album: De Leukste Liedjes 2021
  type: MusicAlbum
  date published: 2021-11-12
isrc code: NL2QQ2100097
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T17:56:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x388ce623388ebc37530cb6ae385878f8fd4c5dbc3980da96e23a883466f74a17
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/2D24FYmRmwDUfhB7SNE7mm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2D24FYmRmwDUfhB7SNE7mm
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x388ce623388ebc37530cb6ae385878f8fd4c5dbc3980da96e23a883466f74a17","isrc":"NL2QQ2100097","name":"Piet Ging Uit Fietsen","registered_at":"2026-06-11T17:56:08Z","spotify_id":"2D24FYmRmwDUfhB7SNE7mm","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 0x388ce623388ebc37530cb6ae385878f8fd4c5dbc3980da96e23a883466f74a17. 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/2D24FYmRmwDUfhB7SNE7mm.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/2D24FYmRmwDUfhB7SNE7mm.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x388ce623388ebc37530cb6ae385878f8fd4c5dbc3980da96e23a883466f74a17","isrc":"NL2QQ2100097","name":"Piet Ging Uit Fietsen","registered_at":"2026-06-11T17:56:08Z","spotify_id":"2D24FYmRmwDUfhB7SNE7mm","type":"track"}

Het Paard Van Sinterklaas
type: MusicRecording
duration: PT2M42S
duration ms: 162570
explicit: false
by artist: De Club van Sinterklaas
by artist: Coole Piet
in album: De Leukste Liedjes 2021
  type: MusicAlbum
  date published: 2021-11-12
isrc code: NL2QQ2100104
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T09:06:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x73568c886dedcdfee5455b643af080f3c216e9c43028296a860d270b645c6a9b
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/2xDEm7Ua0vqUJgHa6udKMV.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2xDEm7Ua0vqUJgHa6udKMV
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x73568c886dedcdfee5455b643af080f3c216e9c43028296a860d270b645c6a9b","isrc":"NL2QQ2100104","name":"Het Paard Van Sinterklaas","registered_at":"2026-06-22T09:06:47Z","spotify_id":"2xDEm7Ua0vqUJgHa6udKMV","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 0x73568c886dedcdfee5455b643af080f3c216e9c43028296a860d270b645c6a9b. 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/2xDEm7Ua0vqUJgHa6udKMV.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/2xDEm7Ua0vqUJgHa6udKMV.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x73568c886dedcdfee5455b643af080f3c216e9c43028296a860d270b645c6a9b","isrc":"NL2QQ2100104","name":"Het Paard Van Sinterklaas","registered_at":"2026-06-22T09:06:47Z","spotify_id":"2xDEm7Ua0vqUJgHa6udKMV","type":"track"}

Het Verjaardagslied
type: MusicRecording
duration: PT2M57S
duration ms: 177258
explicit: false
by artist: De Club van Sinterklaas
by artist: Coole Piet
in album: De Leukste Liedjes 2021
  type: MusicAlbum
  date published: 2021-11-12
isrc code: NL2QQ2100105

Alle Pieten Zwaaien
type: MusicRecording
duration: PT2M16S
duration ms: 136713
explicit: false
by artist: De Club van Sinterklaas
by artist: Coole Piet
in album: De Leukste Liedjes 2021
  type: MusicAlbum
  date published: 2021-11-12
isrc code: NL2QQ2100107
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T06:01:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x80a3a09219524a65870fa7519310695e4c54b81395dc62f7e0b18131f9ffa1f0
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/0LajHOJjyQnPi7kRHvXo3G.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0LajHOJjyQnPi7kRHvXo3G
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x80a3a09219524a65870fa7519310695e4c54b81395dc62f7e0b18131f9ffa1f0","isrc":"NL2QQ2100107","name":"Alle Pieten Zwaaien","registered_at":"2026-06-18T06:01:00Z","spotify_id":"0LajHOJjyQnPi7kRHvXo3G","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 0x80a3a09219524a65870fa7519310695e4c54b81395dc62f7e0b18131f9ffa1f0. 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/0LajHOJjyQnPi7kRHvXo3G.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/0LajHOJjyQnPi7kRHvXo3G.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x80a3a09219524a65870fa7519310695e4c54b81395dc62f7e0b18131f9ffa1f0","isrc":"NL2QQ2100107","name":"Alle Pieten Zwaaien","registered_at":"2026-06-18T06:01:00Z","spotify_id":"0LajHOJjyQnPi7kRHvXo3G","type":"track"}

De Gestrande Stoomboot
type: MusicRecording
duration: PT2M48S
duration ms: 168750
explicit: false
by artist: De Club van Sinterklaas
by artist: Coole Piet
by artist: Danspiet
in album: Feest Op de Stoomboot
  type: MusicAlbum
  date published: 2023-10-13
isrc code: NLU7E2300066
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T07:05:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7b94027969076f8f9ba51c060af88fe11c412bb7c66e206a182547c4b81e0f98
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/709JUQHRYd2oIaImWqjOSA.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/709JUQHRYd2oIaImWqjOSA
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7b94027969076f8f9ba51c060af88fe11c412bb7c66e206a182547c4b81e0f98","isrc":"NLU7E2300066","name":"De Gestrande Stoomboot","registered_at":"2026-06-18T07:05:04Z","spotify_id":"709JUQHRYd2oIaImWqjOSA","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 0x7b94027969076f8f9ba51c060af88fe11c412bb7c66e206a182547c4b81e0f98. 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/709JUQHRYd2oIaImWqjOSA.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/709JUQHRYd2oIaImWqjOSA.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x7b94027969076f8f9ba51c060af88fe11c412bb7c66e206a182547c4b81e0f98","isrc":"NLU7E2300066","name":"De Gestrande Stoomboot","registered_at":"2026-06-18T07:05:04Z","spotify_id":"709JUQHRYd2oIaImWqjOSA","type":"track"}

Ben Je Boos Op Mij
type: MusicRecording
duration: PT3M24S
duration ms: 204444
explicit: false
by artist: De Club van Sinterklaas
by artist: Danspiet
by artist: Coole Piet
in album: Feest Op de Stoomboot
  type: MusicAlbum
  date published: 2023-10-13
isrc code: NLU7E2300065
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T22:36:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeea5cb0ae6c11f44bb0cbd38bcd12ef54e1f61501a6192c3cc4ab4b53f0331b9
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/7M7z1mjGdrEHiqCfr80XuI.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7M7z1mjGdrEHiqCfr80XuI
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xeea5cb0ae6c11f44bb0cbd38bcd12ef54e1f61501a6192c3cc4ab4b53f0331b9","isrc":"NLU7E2300065","name":"Ben Je Boos Op Mij","registered_at":"2026-06-10T22:36:18Z","spotify_id":"7M7z1mjGdrEHiqCfr80XuI","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 0xeea5cb0ae6c11f44bb0cbd38bcd12ef54e1f61501a6192c3cc4ab4b53f0331b9. 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/7M7z1mjGdrEHiqCfr80XuI.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/7M7z1mjGdrEHiqCfr80XuI.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xeea5cb0ae6c11f44bb0cbd38bcd12ef54e1f61501a6192c3cc4ab4b53f0331b9","isrc":"NLU7E2300065","name":"Ben Je Boos Op Mij","registered_at":"2026-06-10T22:36:18Z","spotify_id":"7M7z1mjGdrEHiqCfr80XuI","type":"track"}

Op De Hoge Daken
type: MusicRecording
duration: PT2M44S
duration ms: 164062
explicit: false
by artist: De Club van Sinterklaas
by artist: Danspiet
by artist: Coole Piet
by artist: KADO
in album: Feest Op de Stoomboot
  type: MusicAlbum
  date published: 2023-10-13
isrc code: NLU7E2300072
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T07:21:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd527bff46d3305ace1841a32e948dec0ac85a81095b1dd26a8b57127833585c9
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/2r9Iz7BXY64ZHmEdlWWHOx.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2r9Iz7BXY64ZHmEdlWWHOx
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd527bff46d3305ace1841a32e948dec0ac85a81095b1dd26a8b57127833585c9","isrc":"NLU7E2300072","name":"Op De Hoge Daken","registered_at":"2026-06-24T07:21:00Z","spotify_id":"2r9Iz7BXY64ZHmEdlWWHOx","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 0xd527bff46d3305ace1841a32e948dec0ac85a81095b1dd26a8b57127833585c9. 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/2r9Iz7BXY64ZHmEdlWWHOx.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/2r9Iz7BXY64ZHmEdlWWHOx.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xd527bff46d3305ace1841a32e948dec0ac85a81095b1dd26a8b57127833585c9","isrc":"NLU7E2300072","name":"Op De Hoge Daken","registered_at":"2026-06-24T07:21:00Z","spotify_id":"2r9Iz7BXY64ZHmEdlWWHOx","type":"track"}

Springen
type: MusicRecording
duration: PT2M59S
duration ms: 179612
explicit: false
by artist: De Club van Sinterklaas
by artist: Coole Piet
in album: Feest Op de Stoomboot
  type: MusicAlbum
  date published: 2023-10-13
isrc code: NLU7E2300068
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T18:02:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x64f6f19d6a3f5e220da59c9aef926b2b54733c26344af61c91903534501a5d59
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/3h4vzpeiwvfUhYaSlMDDVT.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3h4vzpeiwvfUhYaSlMDDVT
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 0x64f6f19d6a3f5e220da59c9aef926b2b54733c26344af61c91903534501a5d59. 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/3h4vzpeiwvfUhYaSlMDDVT.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/3h4vzpeiwvfUhYaSlMDDVT.
  date published: 2026-07-02T03:55:08Z

Wij Zijn Toch Pieten
type: MusicRecording
duration: PT2M22S
duration ms: 142641
explicit: false
by artist: De Club van Sinterklaas
by artist: Coole Piet
by artist: Danspiet
in album: Feest Op de Stoomboot
  type: MusicAlbum
  date published: 2023-10-13
isrc code: NLU7E2300074
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T23:38:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x74787c2b71c418f531ca78449f73af57673d1ad305a6945a62da26e58687d33d
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/1pWzhKZSqmCNHb7yGuEqWj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1pWzhKZSqmCNHb7yGuEqWj
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x74787c2b71c418f531ca78449f73af57673d1ad305a6945a62da26e58687d33d","isrc":"NLU7E2300074","name":"Wij Zijn Toch Pieten","registered_at":"2026-06-24T23:38:14Z","spotify_id":"1pWzhKZSqmCNHb7yGuEqWj","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 0x74787c2b71c418f531ca78449f73af57673d1ad305a6945a62da26e58687d33d. 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/1pWzhKZSqmCNHb7yGuEqWj.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/1pWzhKZSqmCNHb7yGuEqWj.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x74787c2b71c418f531ca78449f73af57673d1ad305a6945a62da26e58687d33d","isrc":"NLU7E2300074","name":"Wij Zijn Toch Pieten","registered_at":"2026-06-24T23:38:14Z","spotify_id":"1pWzhKZSqmCNHb7yGuEqWj","type":"track"}

Paniek Op Het Kasteel
type: MusicRecording
duration: PT2M55S
duration ms: 175130
explicit: false
by artist: Coole Piet
by artist: Luan Bellinga
by artist: De Club van Sinterklaas
in album: De Leukste Liedjes
  type: MusicAlbum
  date published: 2020-11-13
isrc code: NL2QQ2000073
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T19:03:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x50d8ee11c434ef4d8442d3c053366a315bb75ecf2e021b5815f4b4aef7d87193
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/7zC0sFeK5CkP9AMa0MqfFR.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7zC0sFeK5CkP9AMa0MqfFR
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x50d8ee11c434ef4d8442d3c053366a315bb75ecf2e021b5815f4b4aef7d87193","isrc":"NL2QQ2000073","name":"Paniek Op Het Kasteel","registered_at":"2026-06-27T19:03:03Z","spotify_id":"7zC0sFeK5CkP9AMa0MqfFR","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 0x50d8ee11c434ef4d8442d3c053366a315bb75ecf2e021b5815f4b4aef7d87193. 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/7zC0sFeK5CkP9AMa0MqfFR.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/7zC0sFeK5CkP9AMa0MqfFR.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0x50d8ee11c434ef4d8442d3c053366a315bb75ecf2e021b5815f4b4aef7d87193","isrc":"NL2QQ2000073","name":"Paniek Op Het Kasteel","registered_at":"2026-06-27T19:03:03Z","spotify_id":"7zC0sFeK5CkP9AMa0MqfFR","type":"track"}

Feesten Op De Daken
type: MusicRecording
duration: PT2M48S
duration ms: 168629
explicit: false
by artist: De Club van Sinterklaas
by artist: Coole Piet
by artist: Danspiet
in album: De Leukste Liedjes
  type: MusicAlbum
  date published: 2020-11-13
isrc code: NL2QQ2000081
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T23:53:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6e7033736b161eb7dd09dac6ec78f5d23b9155bff6b7255d6c617f4aeb7609d2
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/2Fl63YqvOuACBAapEH2QSL.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Fl63YqvOuACBAapEH2QSL
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6e7033736b161eb7dd09dac6ec78f5d23b9155bff6b7255d6c617f4aeb7609d2","isrc":"NL2QQ2000081","name":"Feesten Op De Daken","registered_at":"2026-06-08T23:53:05Z","spotify_id":"2Fl63YqvOuACBAapEH2QSL","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 0x6e7033736b161eb7dd09dac6ec78f5d23b9155bff6b7255d6c617f4aeb7609d2. 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/2Fl63YqvOuACBAapEH2QSL.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/2Fl63YqvOuACBAapEH2QSL.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x6e7033736b161eb7dd09dac6ec78f5d23b9155bff6b7255d6c617f4aeb7609d2","isrc":"NL2QQ2000081","name":"Feesten Op De Daken","registered_at":"2026-06-08T23:53:05Z","spotify_id":"2Fl63YqvOuACBAapEH2QSL","type":"track"}

Ooh Ooh Heejo
type: MusicRecording
duration: PT3M2S
duration ms: 182106
explicit: false
by artist: De Club van Sinterklaas
by artist: Testpiet
by artist: KADO
by artist: Coole Piet
by artist: Danspiet
in album: De Leukste Liedjes
  type: MusicAlbum
  date published: 2020-11-13
isrc code: NL2QQ2000085
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T04:00:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x275613c8ed2cf28c3cb0796b9a6002574ac4be3a236b0e2cb98ca6d9f4c22d19
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/2f4ON8A5P34UNQVoT64Lk5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2f4ON8A5P34UNQVoT64Lk5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x275613c8ed2cf28c3cb0796b9a6002574ac4be3a236b0e2cb98ca6d9f4c22d19","isrc":"NL2QQ2000085","name":"Ooh Ooh Heejo","registered_at":"2026-06-07T04:00:55Z","spotify_id":"2f4ON8A5P34UNQVoT64Lk5","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 0x275613c8ed2cf28c3cb0796b9a6002574ac4be3a236b0e2cb98ca6d9f4c22d19. 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/2f4ON8A5P34UNQVoT64Lk5.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/2f4ON8A5P34UNQVoT64Lk5.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x275613c8ed2cf28c3cb0796b9a6002574ac4be3a236b0e2cb98ca6d9f4c22d19","isrc":"NL2QQ2000085","name":"Ooh Ooh Heejo","registered_at":"2026-06-07T04:00:55Z","spotify_id":"2f4ON8A5P34UNQVoT64Lk5","type":"track"}

Pakjesavond op 5 december
type: MusicRecording
duration: PT3M43S
duration ms: 223593
explicit: false
by artist: De Club van Sinterklaas
by artist: Coole Piet
by artist: Danspiet
by artist: Testpiet
by artist: KADO
by artist: Superpiet
in album: De Leukste Liedjes
  type: MusicAlbum
  date published: 2020-11-13
isrc code: NL2QQ2000086
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T19:19:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2d909e5d549e7586623402c065bd60c5bf16ddc6f2071a968a1de6f1974a0cb5
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/6EyadrHNIN42njzCBTuehY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6EyadrHNIN42njzCBTuehY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2d909e5d549e7586623402c065bd60c5bf16ddc6f2071a968a1de6f1974a0cb5","isrc":"NL2QQ2000086","name":"Pakjesavond op 5 december","registered_at":"2026-06-11T19:19:46Z","spotify_id":"6EyadrHNIN42njzCBTuehY","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 0x2d909e5d549e7586623402c065bd60c5bf16ddc6f2071a968a1de6f1974a0cb5. 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/6EyadrHNIN42njzCBTuehY.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/6EyadrHNIN42njzCBTuehY.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x2d909e5d549e7586623402c065bd60c5bf16ddc6f2071a968a1de6f1974a0cb5","isrc":"NL2QQ2000086","name":"Pakjesavond op 5 december","registered_at":"2026-06-11T19:19:46Z","spotify_id":"6EyadrHNIN42njzCBTuehY","type":"track"}

Pakjesfabriek
type: MusicRecording
duration: PT2M34S
duration ms: 154799
explicit: false
by artist: Coole Piet
by artist: De Club van Sinterklaas
in album: De Leukste Liedjes
  type: MusicAlbum
  date published: 2020-11-13
isrc code: NL2QQ2000087
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T05:10:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3286529db49e2795e6840bd3cdbaa6b0582fc4d3942b946994e30e1d095b2f0b
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/46J06lZ7QKZYeNvVDDMXdx.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/46J06lZ7QKZYeNvVDDMXdx
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 0x3286529db49e2795e6840bd3cdbaa6b0582fc4d3942b946994e30e1d095b2f0b. 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/46J06lZ7QKZYeNvVDDMXdx.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/46J06lZ7QKZYeNvVDDMXdx.
  date published: 2026-07-02T03:55:08Z

Pieten Piraten
type: MusicRecording
duration: PT2M14S
duration ms: 134062
explicit: false
by artist: Coole Piet
by artist: Danspiet
by artist: Testpiet
by artist: De Club van Sinterklaas
in album: De Leukste Liedjes
  type: MusicAlbum
  date published: 2020-11-13
isrc code: NL2QQ2000088
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T23:39:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x94d06415b6b5f688e5ae5885c13cf3cdf8a4113ef79e5226606b29ac1e53f9b9
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/1tFUjHf8Zi3kOL7tywoTSA.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1tFUjHf8Zi3kOL7tywoTSA
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x94d06415b6b5f688e5ae5885c13cf3cdf8a4113ef79e5226606b29ac1e53f9b9","isrc":"NL2QQ2000088","name":"Pieten Piraten","registered_at":"2026-06-24T23:39:15Z","spotify_id":"1tFUjHf8Zi3kOL7tywoTSA","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 0x94d06415b6b5f688e5ae5885c13cf3cdf8a4113ef79e5226606b29ac1e53f9b9. 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/1tFUjHf8Zi3kOL7tywoTSA.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/1tFUjHf8Zi3kOL7tywoTSA.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x94d06415b6b5f688e5ae5885c13cf3cdf8a4113ef79e5226606b29ac1e53f9b9","isrc":"NL2QQ2000088","name":"Pieten Piraten","registered_at":"2026-06-24T23:39:15Z","spotify_id":"1tFUjHf8Zi3kOL7tywoTSA","type":"track"}

Pietentube
type: MusicRecording
duration: PT2M18S
duration ms: 138632
explicit: false
by artist: Coole Piet
by artist: De Club van Sinterklaas
in album: De Leukste Liedjes
  type: MusicAlbum
  date published: 2020-11-13
isrc code: NL2QQ2000090

Allermooiste Schoentje
type: MusicRecording
duration: PT3M12S
duration ms: 192000
explicit: false
by artist: De Club van Sinterklaas
by artist: Coole Piet
by artist: Luan Bellinga
by artist: Lucilla Bellinga
in album: Allermooiste Schoentje
  type: MusicAlbum
  date published: 2022-11-25
isrc code: NLU7E2200018
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T21:57:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x58a9edab1cb9493f127a4ff64832d520ec02e659df7ae59929f2401d046734d0
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/4uwTUKXDuwuDLXGYUtOAlC.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4uwTUKXDuwuDLXGYUtOAlC
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x58a9edab1cb9493f127a4ff64832d520ec02e659df7ae59929f2401d046734d0","isrc":"NLU7E2200018","name":"Allermooiste Schoentje","registered_at":"2026-06-09T21:57:52Z","spotify_id":"4uwTUKXDuwuDLXGYUtOAlC","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 0x58a9edab1cb9493f127a4ff64832d520ec02e659df7ae59929f2401d046734d0. 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/4uwTUKXDuwuDLXGYUtOAlC.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/4uwTUKXDuwuDLXGYUtOAlC.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x58a9edab1cb9493f127a4ff64832d520ec02e659df7ae59929f2401d046734d0","isrc":"NLU7E2200018","name":"Allermooiste Schoentje","registered_at":"2026-06-09T21:57:52Z","spotify_id":"4uwTUKXDuwuDLXGYUtOAlC","type":"track"}

Het Dak Eraf (WK Versie)
type: MusicRecording
duration: PT2M28S
duration ms: 148799
explicit: false
by artist: De Club van Sinterklaas
by artist: Danny Lukassen
by artist: Coole Piet
in album: Het Dak Eraf (WK Versie)
  type: MusicAlbum
  date published: 2022-10-01
isrc code: NLU7E2200007