Jurre Haanstra
type: MusicGroup
genre: adult standards
popularity: 6
followers: 83
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf896be7f698f793bdecff969b27cf6bc6f08edd4a5eb3994c2d607d587eda338
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/96732bbb-3792-4d14-9d74-f2010cd52032.ots
additional property: OTSRecordURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/96732bbb-3792-4d14-9d74-f2010cd52032
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:51:26Z
additional property: OTSCanonicalRecord
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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 0xf896be7f698f793bdecff969b27cf6bc6f08edd4a5eb3994c2d607d587eda338. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/96732bbb-3792-4d14-9d74-f2010cd52032.json and https://artists.proofprofile.net/proofs/artist/96732bbb-3792-4d14-9d74-f2010cd52032.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
  text: {"copyright_id":"0xf896be7f698f793bdecff969b27cf6bc6f08edd4a5eb3994c2d607d587eda338","name":"Jurre Haanstra","registered_at":"2026-06-17T18:12:12Z","symbol":"NIM1477561","token_address":"0x8824dc43cfb79c22938c20a3b73a00f0fc18def9","type":"artist","uuid":"96732bbb-3792-4d14-9d74-f2010cd52032"}
album: Tour de Chant
  type: MusicAlbum
  date published: 1970-01-01
  track: September Ouverture
    type: MusicRecording
    duration: PT8M40S
    duration ms: 520693
    explicit: false
    by artist: Paul van Vliet
    by artist: Residentie Orkest The Hague
    by artist: Jurre Haanstra
    in album: Tour de Chant
      type: MusicAlbum
      date published: 1970-01-01
    isrc code: NLD321900397
  track: Ik ben zo vaak opnieuw begonnen
    type: MusicRecording
    duration: PT4M23S
    duration ms: 263106
    explicit: false
    by artist: Paul van Vliet
    by artist: Residentie Orkest The Hague
    by artist: Jurre Haanstra
    in album: Tour de Chant
      type: MusicAlbum
      date published: 1970-01-01
  track: Veilig achterop
    type: MusicRecording
    duration: PT3M48S
    duration ms: 228200
    explicit: false
    by artist: Paul van Vliet
    by artist: Residentie Orkest The Hague
    by artist: Jurre Haanstra
    in album: Tour de Chant
      type: MusicAlbum
      date published: 1970-01-01
    isrc code: NLD321900399
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
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      value: 2026-07-07T04:42:53+00:00
    additional property: CopyrightChainExplorerURL
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      value: https://explorer.copyrightchains.com/tx/0xd624cb072b00d629bd4c6009e67fb9433efebeb30dfb5c01d9282b335eca7d50
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957118
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/957118
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD321900399
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-08T03:20:19Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd624cb072b00d629bd4c6009e67fb9433efebeb30dfb5c01d9282b335eca7d50. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD321900399.
      date published: 2026-07-08T03:20:19Z
  track: Ik mis je kleine hoofd
    type: MusicRecording
    duration: PT3M36S
    duration ms: 216826
    explicit: false
    by artist: Paul van Vliet
    by artist: Residentie Orkest The Hague
    by artist: Jurre Haanstra
    in album: Tour de Chant
      type: MusicAlbum
      date published: 1970-01-01
  track: Huilbui
    type: MusicRecording
    duration: PT3M56S
    duration ms: 236373
    explicit: false
    by artist: Paul van Vliet
    by artist: Residentie Orkest The Hague
    by artist: Jurre Haanstra
    in album: Tour de Chant
      type: MusicAlbum
      date published: 1970-01-01
    isrc code: NLD321900401
  track: Er is nog zoveel niet gezegd
    type: MusicRecording
    duration: PT3M40S
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    explicit: false
    by artist: Paul van Vliet
    by artist: Residentie Orkest The Hague
    by artist: Jurre Haanstra
    in album: Tour de Chant
      type: MusicAlbum
      date published: 1970-01-01
    isrc code: NLD321900402
  track: Lieve Vriend
    type: MusicRecording
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    duration ms: 233133
    explicit: false
    by artist: Paul van Vliet
    by artist: Residentie Orkest The Hague
    by artist: Jurre Haanstra
    in album: Tour de Chant
      type: MusicAlbum
      date published: 1970-01-01
  track: Vlaanderen
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    duration: PT4M35S
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    by artist: Paul van Vliet
    by artist: Residentie Orkest The Hague
    by artist: Jurre Haanstra
    in album: Tour de Chant
      type: MusicAlbum
      date published: 1970-01-01
    isrc code: NLD321900404
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-20T09:12:32+00:00
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
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      value: 956304
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956304
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD321900404
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:55:08Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53246d2d75fdb705c0e62299e931af8d040a9818a580e55efc1032b948901228. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD321900404.
      date published: 2026-07-02T03:55:08Z
  track: Meisjes van 30
    type: MusicRecording
    duration: PT4M7S
    duration ms: 247533
    explicit: false
    by artist: Paul van Vliet
    by artist: Residentie Orkest The Hague
    by artist: Jurre Haanstra
    in album: Tour de Chant
    isrc code: NLD321900405
    additional property: CopyrightID
    additional property: CopyrightStatus
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
  track: Het touwtje uit de brievenbus
  track: Laatste wens
  track: Het Noorden
  track: Japie Groen
  track: De oude droom
album: a Bag of Music
track: September Ouverture
track: Ik ben zo vaak opnieuw begonnen
track: Veilig achterop
track: Ik mis je kleine hoofd
track: Huilbui
track: Er is nog zoveel niet gezegd
track: Lieve Vriend
track: Vlaanderen
track: Meisjes van 30
track: Het touwtje uit de brievenbus
track: Laatste wens
track: Het Noorden
track: Japie Groen
track: De oude droom
track: Circle of Smiles

Paul van Vliet
type: MusicGroup

Residentie Orkest The Hague
type: MusicGroup

Jurre Haanstra
type: MusicGroup

Tour de Chant
type: MusicAlbum
date published: 1970-01-01

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-07T16:03:42+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xe23e3d8090a15407810c1788ed944ff3aaff19aef8b92ad9fead6eaaecefdddc

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957118

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD321900405

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe23e3d8090a15407810c1788ed944ff3aaff19aef8b92ad9fead6eaaecefdddc. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD321900405.
date published: 2026-07-08T03:20:19Z

Het touwtje uit de brievenbus
type: MusicRecording
duration: PT4M50S
duration ms: 290960
explicit: false
by artist: Paul van Vliet
by artist: Residentie Orkest The Hague
by artist: Jurre Haanstra
in album: Tour de Chant
  type: MusicAlbum
  date published: 1970-01-01
isrc code: NLD321900406
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:03:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc08eac9a0e3480a579725e8d5bcce05fd987348d00de451e3e6d5faa46b0c414
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD321900406
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc08eac9a0e3480a579725e8d5bcce05fd987348d00de451e3e6d5faa46b0c414. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD321900406.
  date published: 2026-07-08T03:53:27Z

Laatste wens
type: MusicRecording
duration: PT4M15S
duration ms: 255333
explicit: false
by artist: Paul van Vliet
by artist: Residentie Orkest The Hague
by artist: Jurre Haanstra
in album: Tour de Chant
  type: MusicAlbum
  date published: 1970-01-01
isrc code: NLD321900407

Het Noorden
type: MusicRecording
duration: PT4M29S
duration ms: 269600
explicit: false
by artist: Paul van Vliet
by artist: Residentie Orkest The Hague
by artist: Jurre Haanstra
in album: Tour de Chant
  type: MusicAlbum
  date published: 1970-01-01
isrc code: NLD321900408

Japie Groen
type: MusicRecording
duration: PT2M23S
duration ms: 143000
explicit: false
by artist: Paul van Vliet
by artist: Residentie Orkest The Hague
by artist: Jurre Haanstra
in album: Tour de Chant
  type: MusicAlbum
  date published: 1970-01-01
isrc code: NLD321900409

De oude droom
type: MusicRecording
duration: PT5M6S
duration ms: 306720
explicit: false
by artist: Paul van Vliet
by artist: Residentie Orkest The Hague
by artist: Jurre Haanstra
in album: Tour de Chant
  type: MusicAlbum
  date published: 1970-01-01
isrc code: NLD321900410

a Bag of Music
type: MusicAlbum
date published: 2011-10-29
track: Summertime
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160573
  explicit: false
  by artist: George Gershwin
  by artist: Henk van Twillert
  by artist: Tjako van schie
  in album: a Bag of Music
    type: MusicAlbum
    date published: 2011-10-29
track: Die Nacht
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196573
  explicit: false
  by artist: Richard Strauss
  by artist: Henk van Twillert
  by artist: Tjako van schie
  in album: a Bag of Music
    type: MusicAlbum
    date published: 2011-10-29
track: Ave Maria
  type: MusicRecording
  duration: PT4M33S
  duration ms: 273480
  explicit: false
  by artist: Astor Piazzolla
  by artist: Henk van Twillert
  by artist: Tjako van schie
  in album: a Bag of Music
    type: MusicAlbum
    date published: 2011-10-29
track: Circle of Smiles
  type: MusicRecording
  duration: PT2M45S
  duration ms: 165386
  explicit: false
  by artist: Jurre Haanstra
  by artist: Henk van Twillert
  by artist: Tjako van schie
  in album: a Bag of Music
    type: MusicAlbum
    date published: 2011-10-29
track: Après un Rêve
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212133
  explicit: false
  by artist: Gabriel Fauré
  by artist: Henk van Twillert
  by artist: Tjako van schie
  in album: a Bag of Music
    type: MusicAlbum
    date published: 2011-10-29
track: Despedida
  type: MusicRecording
  duration: PT4M3S
  duration ms: 243320
  explicit: false
  by artist: Wim Statius-Muller
  by artist: Henk van Twillert
  by artist: Tjako van schie
  in album: a Bag of Music
    type: MusicAlbum
    date published: 2011-10-29
track: Never Seen Him Her Back
  type: MusicRecording
  duration: PT2M49S
  duration ms: 169546
  explicit: false
  by artist: Chiel Meijering
  by artist: Henk van Twillert
  by artist: Tjako van schie
  in album: a Bag of Music
    type: MusicAlbum
    date published: 2011-10-29
track: Adagio
  type: MusicRecording
  duration: PT6M6S
  duration ms: 366293
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Henk van Twillert
  by artist: Tjako van schie
  in album: a Bag of Music
    type: MusicAlbum
    date published: 2011-10-29
track: Nem às Paredes Confesso
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234066
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  by artist: Carlos Paredes
  by artist: Henk van Twillert
  by artist: Tjako van schie
  in album: a Bag of Music
    type: MusicAlbum
    date published: 2011-10-29
track: Dudi
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241426
  explicit: false
  by artist: Livio Hermans
  by artist: Henk van Twillert
  by artist: Tjako van schie
  in album: a Bag of Music
    type: MusicAlbum
    date published: 2011-10-29
track: I Wait for Thee
  type: MusicRecording
  duration: PT1M57S
  duration ms: 117373
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Henk van Twillert
  by artist: Tjako van schie
  in album: a Bag of Music
    type: MusicAlbum
    date published: 2011-10-29
track: Un Sueño en re Menor
  type: MusicRecording
  duration: PT2M10S
  duration ms: 130026
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  by artist: Jan Gerard Palm
  by artist: Henk van Twillert
  by artist: Tjako van schie
  in album: a Bag of Music
    type: MusicAlbum
    date published: 2011-10-29
track: Verdes Anos
  type: MusicRecording
  duration: PT3M24S
  duration ms: 204306
  explicit: false
  by artist: Carlos Paredes
  by artist: Henk van Twillert
  by artist: Tjako van schie
  in album: a Bag of Music
    type: MusicAlbum
    date published: 2011-10-29
track: The Harvest of Sorrow
  type: MusicRecording
  duration: PT4M37S
  duration ms: 277000
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Henk van Twillert
  by artist: Tjako van schie
  in album: a Bag of Music
    type: MusicAlbum
    date published: 2011-10-29
track: Não Sou Dono de Nada
  type: MusicRecording
  duration: PT3M26S
  duration ms: 206866
  explicit: false
  by artist: Henk van Twillert
  by artist: Tjako van schie
  in album: a Bag of Music
    type: MusicAlbum
    date published: 2011-10-29
track: Just for to Pray
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179040
  explicit: false
  by artist: Henk van Twillert
  by artist: Tjako van schie
  in album: a Bag of Music
    type: MusicAlbum
    date published: 2011-10-29
track: Oh, Never Sing to Me Again
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249773
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Henk van Twillert
  by artist: Tjako van schie
  in album: a Bag of Music
    type: MusicAlbum
    date published: 2011-10-29
track: Aan de Amsterdamse Grachten
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195053
  explicit: false
  by artist: Peter Schott / Pieter Goemans
  by artist: Henk van Twillert
  by artist: Tjako van schie
  in album: a Bag of Music
    type: MusicAlbum
    date published: 2011-10-29
  isrc code: NLG072100286
track: El Diablo Suelto
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186000
  explicit: false
  by artist: Heraclio Fernández
  by artist: Henk van Twillert
  by artist: Tjako van schie
  in album: a Bag of Music
track: A Dream Sergei Rachmaninov
track: Perfume de Gardenias
track: Choral on a Carillion Theme
track: Fado Azul
track: Abo So
track: Não Sou Dono de Nada: -
track: Titi
track: Duas Mãos
track: Waltz for Wim
track: Prélude
track: Traz Outro Amigo Também
track: Divertissement Tzigane
track: L’Invitation au Voyage
track: Oblivion
track: Balada Para un Loco
track: a Dream
track: La Fille aux Cheveux de Lin
track: Die Nakht
track: We Zullen Doorgaan
track: Vocalise
track: Petite Fleur
track: Pavane para Guiomar
track: Spiegel im Spiegel
track: What a Wonderful World

Heraclio Fernández
type: MusicGroup

Henk van Twillert
type: MusicGroup

Tjako van schie
type: MusicGroup

a Bag of Music
type: MusicAlbum
date published: 2011-10-29

A Dream Sergei Rachmaninov
type: MusicRecording
duration: PT1M38S
duration ms: 98226
explicit: false
by artist: Sergei Rachmaninoff
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

Perfume de Gardenias
type: MusicRecording
duration: PT2M53S
duration ms: 173080
explicit: false
by artist: Rafael Hernandez
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

Choral on a Carillion Theme
type: MusicRecording
duration: PT3M7S
duration ms: 187106
explicit: false
by artist: Gijs Van Dijk
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

Fado Azul
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duration: PT2M52S
duration ms: 172093
explicit: false
by artist: Tjako van schie
by artist: Henk van Twillert
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

Abo So
type: MusicRecording
duration: PT2M7S
duration ms: 127586
explicit: false
by artist: Padú del Caribe
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

Não Sou Dono de Nada: -
type: MusicRecording
duration: PT4M5S
duration ms: 245040
explicit: false
by artist: Mário Martin Guia / Henk van Twillert
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

Titi
type: MusicRecording
duration: PT4M7S
duration ms: 247933
explicit: false
by artist: Carlos Paredes
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

Duas Mãos
type: MusicRecording
duration: PT5M2S
duration ms: 302800
explicit: false
by artist: Jesus Zing / Henk van Twillert /Tjako van Schie
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

Waltz for Wim
type: MusicRecording
duration: PT2M13S
duration ms: 133213
explicit: false
by artist: Hans Odin Faassen
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

Prélude
type: MusicRecording
duration: PT6M0S
duration ms: 360920
explicit: false
by artist: Frédéric Chopin
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

Traz Outro Amigo Também
type: MusicRecording
duration: PT4M24S
duration ms: 264013
explicit: false
by artist: José Afonso
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

Divertissement Tzigane
type: MusicRecording
duration: PT2M26S
duration ms: 146133
explicit: false
by artist: Félix Antonini
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29
isrc code: NLG072100305

L’Invitation au Voyage
type: MusicRecording
duration: PT4M53S
duration ms: 293120
explicit: false
by artist: Henri Duparc
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

Oblivion
type: MusicRecording
duration: PT5M58S
duration ms: 358813
explicit: false
by artist: Astor Piazzolla
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

Balada Para un Loco
type: MusicRecording
duration: PT5M47S
duration ms: 347346
explicit: false
by artist: Astor Piazzolla
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

a Dream
type: MusicRecording
duration: PT4M1S
duration ms: 241480
explicit: false
by artist: Tjako van schie
by artist: Henk van Twillert
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

La Fille aux Cheveux de Lin
type: MusicRecording
duration: PT2M26S
duration ms: 146480
explicit: false
by artist: Claude Debussy
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

Die Nakht
type: MusicRecording
duration: PT4M34S
duration ms: 274853
explicit: false
by artist: Michel Gelbart / Tjako van Schie
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

We Zullen Doorgaan
type: MusicRecording
duration: PT2M54S
duration ms: 174306
explicit: false
by artist: Ramses Shaffy
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

Vocalise
type: MusicRecording
duration: PT6M24S
duration ms: 384280
explicit: false
by artist: Sergei Rachmaninoff
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

Petite Fleur
type: MusicRecording
duration: PT2M43S
duration ms: 163066
explicit: false
by artist: Sidney Bechet
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

Pavane para Guiomar
type: MusicRecording
duration: PT3M27S
duration ms: 207560
explicit: false
by artist: Livio Hermans
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

Spiegel im Spiegel
type: MusicRecording
duration: PT8M13S
duration ms: 493480
explicit: false
by artist: Arvo Pärt
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

What a Wonderful World
type: MusicRecording
duration: PT2M51S
duration ms: 171306
explicit: false
by artist: George David Weiss / George Douglas
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29

September Ouverture
type: MusicRecording
duration: PT8M40S
duration ms: 520693
explicit: false
by artist: Paul van Vliet
by artist: Residentie Orkest The Hague
by artist: Jurre Haanstra
in album: Tour de Chant
  type: MusicAlbum
  date published: 1970-01-01
isrc code: NLD321900397

Ik ben zo vaak opnieuw begonnen
type: MusicRecording
duration: PT4M23S
duration ms: 263106
explicit: false
by artist: Paul van Vliet
by artist: Residentie Orkest The Hague
by artist: Jurre Haanstra
in album: Tour de Chant
  type: MusicAlbum
  date published: 1970-01-01

Veilig achterop
type: MusicRecording
duration: PT3M48S
duration ms: 228200
explicit: false
by artist: Paul van Vliet
by artist: Residentie Orkest The Hague
by artist: Jurre Haanstra
in album: Tour de Chant
  type: MusicAlbum
  date published: 1970-01-01
isrc code: NLD321900399
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:42:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd624cb072b00d629bd4c6009e67fb9433efebeb30dfb5c01d9282b335eca7d50
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD321900399
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd624cb072b00d629bd4c6009e67fb9433efebeb30dfb5c01d9282b335eca7d50. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD321900399.
  date published: 2026-07-08T03:20:19Z

Ik mis je kleine hoofd
type: MusicRecording
duration: PT3M36S
duration ms: 216826
explicit: false
by artist: Paul van Vliet
by artist: Residentie Orkest The Hague
by artist: Jurre Haanstra
in album: Tour de Chant
  type: MusicAlbum
  date published: 1970-01-01

Huilbui
type: MusicRecording
duration: PT3M56S
duration ms: 236373
explicit: false
by artist: Paul van Vliet
by artist: Residentie Orkest The Hague
by artist: Jurre Haanstra
in album: Tour de Chant
  type: MusicAlbum
  date published: 1970-01-01
isrc code: NLD321900401

Er is nog zoveel niet gezegd
type: MusicRecording
duration: PT3M40S
duration ms: 220160
explicit: false
by artist: Paul van Vliet
by artist: Residentie Orkest The Hague
by artist: Jurre Haanstra
in album: Tour de Chant
  type: MusicAlbum
  date published: 1970-01-01
isrc code: NLD321900402

Lieve Vriend
type: MusicRecording
duration: PT3M53S
duration ms: 233133
explicit: false
by artist: Paul van Vliet
by artist: Residentie Orkest The Hague
by artist: Jurre Haanstra
in album: Tour de Chant
  type: MusicAlbum
  date published: 1970-01-01

Vlaanderen
type: MusicRecording
duration: PT4M35S
duration ms: 275973
explicit: false
by artist: Paul van Vliet
by artist: Residentie Orkest The Hague
by artist: Jurre Haanstra
in album: Tour de Chant
  type: MusicAlbum
  date published: 1970-01-01
isrc code: NLD321900404
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T09:12:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x53246d2d75fdb705c0e62299e931af8d040a9818a580e55efc1032b948901228
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD321900404
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53246d2d75fdb705c0e62299e931af8d040a9818a580e55efc1032b948901228. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD321900404.
  date published: 2026-07-02T03:55:08Z

Meisjes van 30
type: MusicRecording
duration: PT4M7S
duration ms: 247533
explicit: false
by artist: Paul van Vliet
by artist: Residentie Orkest The Hague
by artist: Jurre Haanstra
in album: Tour de Chant
  type: MusicAlbum
  date published: 1970-01-01
isrc code: NLD321900405
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD321900405
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe23e3d8090a15407810c1788ed944ff3aaff19aef8b92ad9fead6eaaecefdddc. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD321900405.
  date published: 2026-07-08T03:20:19Z

Het touwtje uit de brievenbus
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duration: PT4M50S
duration ms: 290960
explicit: false
by artist: Paul van Vliet
by artist: Residentie Orkest The Hague
by artist: Jurre Haanstra
in album: Tour de Chant
  type: MusicAlbum
  date published: 1970-01-01
isrc code: NLD321900406
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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  value: 2026-07-07T19:03:38+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD321900406
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc08eac9a0e3480a579725e8d5bcce05fd987348d00de451e3e6d5faa46b0c414. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD321900406.
  date published: 2026-07-08T03:53:27Z

Laatste wens
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duration: PT4M15S
duration ms: 255333
explicit: false
by artist: Paul van Vliet
by artist: Residentie Orkest The Hague
by artist: Jurre Haanstra
in album: Tour de Chant
  type: MusicAlbum
  date published: 1970-01-01
isrc code: NLD321900407

Het Noorden
type: MusicRecording
duration: PT4M29S
duration ms: 269600
explicit: false
by artist: Paul van Vliet
by artist: Residentie Orkest The Hague
by artist: Jurre Haanstra
in album: Tour de Chant
  type: MusicAlbum
  date published: 1970-01-01
isrc code: NLD321900408

Japie Groen
type: MusicRecording
duration: PT2M23S
duration ms: 143000
explicit: false
by artist: Paul van Vliet
by artist: Residentie Orkest The Hague
by artist: Jurre Haanstra
in album: Tour de Chant
  type: MusicAlbum
  date published: 1970-01-01
isrc code: NLD321900409

De oude droom
type: MusicRecording
duration: PT5M6S
duration ms: 306720
explicit: false
by artist: Paul van Vliet
by artist: Residentie Orkest The Hague
by artist: Jurre Haanstra
in album: Tour de Chant
  type: MusicAlbum
  date published: 1970-01-01
isrc code: NLD321900410

Circle of Smiles
type: MusicRecording
duration: PT2M45S
duration ms: 165386
explicit: false
by artist: Jurre Haanstra
by artist: Henk van Twillert
by artist: Tjako van schie
in album: a Bag of Music
  type: MusicAlbum
  date published: 2011-10-29