Sinterklaasliedjes
type: MusicGroup
genre: children's music
popularity: 30
followers: 25296
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe1b399d0020e02ca5a335123e1af8f5da2f7bd0d13cfb1eefa62724ab7435ebf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/93be5bc3-b950-4e15-bb20-36f9c83a0303.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/93be5bc3-b950-4e15-bb20-36f9c83a0303.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/93be5bc3-b950-4e15-bb20-36f9c83a0303
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1b399d0020e02ca5a335123e1af8f5da2f7bd0d13cfb1eefa62724ab7435ebf. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/93be5bc3-b950-4e15-bb20-36f9c83a0303.json and https://artists.proofprofile.net/proofs/artist/93be5bc3-b950-4e15-bb20-36f9c83a0303.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
album: Sinterklaasliedjes
  type: MusicAlbum
  date published: 2015
album: Sinterklaasliedjes
  type: MusicAlbum
  date published: 2015
album: Sinterklaas Is Jarig
  type: MusicAlbum
  date published: 2015-06-03
album: Hop, Hop, Hop, We Zitten Nu Rechtop
  type: MusicAlbum
  date published: 2015-06-07
album: Jongens, Heb Je Het Al Vernomen
  type: MusicAlbum
  date published: 2015-06-07
album: Dag Sinterklaasje
  type: MusicAlbum
  date published: 2015-06-07
album: Zwarte Piet, Wiedewiedewiet
  type: MusicAlbum
  date published: 2015-06-07
album: Oh, Kom Er Eens Kijken
  type: MusicAlbum
  date published: 2015-06-07
album: Op De Hoge, Hoge Daken
  type: MusicAlbum
  date published: 2015-06-07
album: Zachtjes Gaan De Paardenvoetjes
  type: MusicAlbum
  date published: 2015-06-07
album: Hoor Wie Klopt Daar Kinderen
  type: MusicAlbum
  date published: 2015-06-07
album: Zie Ginds Komt De Stoomboot
  type: MusicAlbum
  date published: 2015-06-07
album: Zie De Maan Schijnt Door De Bomen
  type: MusicAlbum
  date published: 2015-06-07
album: Hoor De Wind Waait Door De Bomen
  type: MusicAlbum
  date published: 2015-06-07
album: Daar Wordt Aan De Deur Geklopt
  type: MusicAlbum
  date published: 2015-06-07
album: Zwarte Piet Ging Uit Fietsen
  type: MusicAlbum
  date published: 2015-06-07
album: Sinterklaasje Kom Maar Binnen
  type: MusicAlbum
  date published: 2015-06-07
album: De Zak Van Sinterklaas
  type: MusicAlbum
  date published: 2015-06-07
album: Sinterklaas Goedheiligman
  type: MusicAlbum
  date published: 2015-06-07
album: Sinterklaas Kapoentje
  type: MusicAlbum
  date published: 2015-06-07
album: Hij Komt, Hij Komt
  type: MusicAlbum
  date published: 2015-06-07
album: Sinterklaasje Bonne Bonne Bonne
  type: MusicAlbum
  date published: 2015-06-07
album: Sinterklaasliedjes
  type: MusicAlbum
  date published: 2015-11-05
album: Sinterklaasliedjes
  type: MusicAlbum
  date published: 2015-11-05
album: Sinterklaasliedjes
  type: MusicAlbum
  date published: 2016-11-20
album: Sinterklaasliedjes (Sinterklaas Kapoentje en 17 andere Sinterklaasliedjes)
  type: MusicAlbum
  date published: 2017-11-06
album: Sinterklaasliedjes (Sinterklaas Kapoentje en 17 andere Sinterklaasliedjes)
  type: MusicAlbum
  date published: 2017-11-06
album: Sinterklaasliedjes (Daar Wordt Aan De Deur Geklopt en 14 Sinterklaasliedjes)
  type: MusicAlbum
  date published: 2017-11-28
album: Sinterklaasliedjes 2019 (Zie Ginds Komt De Stoomboot en 14 andere Sinterklaasliedjes)
  type: MusicAlbum
  date published: 2019-11-11
album: Sinterklaasliedjes
  type: MusicAlbum
  date published: 2019-11-15
album: Sinterklaasliedjes 2019 (De Beste Sinterklaasliedjes Aller Tijden)
  type: MusicAlbum
  date published: 2019-11-20
album: Sinterklaasliedjes 2019 (De Beste Sinterklaasliedjes Aller Tijden)
  type: MusicAlbum
  date published: 2019-11-20
album: Sinterklaasliedjes
  type: MusicAlbum
  date published: 2019-11-22
album: Pepernoten Samba
  type: MusicAlbum
  date published: 2019-11-22
album: Zie Ginds Komt De Stoomboot
  type: MusicAlbum
  date published: 2020-11-11
album: Sinterklaas Kapoentje
  type: MusicAlbum
  date published: 2020-11-11
album: Daar Wordt Aan De Deur Geklopt
  type: MusicAlbum
  date published: 2020-11-11
album: Hij Komt, Hij Komt, Die Lieve Goede Sint
  type: MusicAlbum
  date published: 2020-11-11
album: De Zak Van Sinterklaas
  type: MusicAlbum
  date published: 2020-11-11
album: Sinterklaasliedjes 2019 (Zie Ginds Komt De Stoomboot en 14 andere Sinterklaasliedjes)
  type: MusicAlbum
  date published: 2020-11-12
album: Sinterklaasliedjes (Zie Ginds Komt De Stoomboot en 13 andere Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2020-11-16
album: Sinterklaasliedjes 2020 - De Beste Sint & Piet Hits Ooit (Daar Wordt Op De Deur Geklopt En 14 Andere Sinterklaasliedjes)
  type: MusicAlbum
  date published: 2020-11-25
album: Sinterklaasliedjes 2020 - De Beste Sint & Piet Hits Ooit (Daar Wordt Op De Deur Geklopt En 14 Andere Sinterklaasliedjes)
  type: MusicAlbum
  date published: 2020-11-25
album: Sinterklaasliedjes (Traditionale Sinterklaas Meezing Hits)
  type: MusicAlbum
  date published: 2020-11-28
album: Sinterklaasliedjes (De Beste SInterklaas Meezing Liedjes Ooit)
  type: MusicAlbum
  date published: 2020-12-02
album: De Leukste Sinterklaasliedjes
  type: MusicAlbum
  date published: 2020-12-03
album: Sinterklaasliedjes (Traditionale Sinterklaas Meezing Hits)
  type: MusicAlbum
  date published: 2020-12-05
album: Traditionele Sinterklaasliedjes
  type: MusicAlbum
  date published: 2020-12-05
album: Sinterklaasliedjes Van Nu
  type: MusicAlbum
  date published: 2021-10-11
album: Sinterklaasje Bonne Bonne Bonne 2021 nieuwe stijl
  type: MusicAlbum
  date published: 2021-11-11
album: Sinterklaas 2021
  type: MusicAlbum
  date published: 2021-11-13
album: Sinterklaas, wie kent hem niet 2021 nieuwe stijl
  type: MusicAlbum
  date published: 2021-11-16
album: Daar wordt aan de deur geklopt 2021 nieuwe stijl
  type: MusicAlbum
  date published: 2021-11-16
album: Sinterklaas Kapoentje En Andere Sinterklaasliedjes (2021)
  type: MusicAlbum
  date published: 2021-11-19
album: pepernoten rapen (2021 nieuwe stijl)
  type: MusicAlbum
  date published: 2021-11-20
album: Sinterklaasmuziek voor 2021
track: Pietengirl
track: Ik Wil Kadootjes
track: Hoor Wie Klopt Daar
track: Mee Naar Spanje
track: Piet Ging Uit Fietsen
track: Hoor De Wind Waait Door De Bomen
track: Rommel De Bommel
track: Sinterklaas Is Jarig

Pietengirl
type: MusicRecording
duration: PT2M49S
duration ms: 169121
explicit: false
by artist: Sinterklaasliedjes
by artist: Sinterklaas
by artist: Pietenkidz
in album: Sinterklaasliedjes 3
  type: MusicAlbum
  date published: 2023-11-10
isrc code: NL6HK2300016
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-06T22:46:08+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x50f21e90e3ba3770fd708859905d6f356ac3afcaddd88976332bd9e111834769
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL6HK2300016
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50f21e90e3ba3770fd708859905d6f356ac3afcaddd88976332bd9e111834769. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL6HK2300016.
  date published: 2026-07-08T03:22:41Z
audio: Pietengirl
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.725
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.728
  additional property: Energy
    type: PropertyValue
    value: 0.877
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.02
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.239
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.662
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.337
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ik Wil Kadootjes
type: MusicRecording
duration: PT3M7S
duration ms: 187650
explicit: false
by artist: Pietenkidz
by artist: Sinterklaas
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes 3
  type: MusicAlbum
  date published: 2023-11-10
isrc code: NL6HK2300018
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T18:52:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcd50f6be8fae1b1d1846cef054c8bfcd9e0069e9a5c1b532cdfd2cf5e13c1fd1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL6HK2300018
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd50f6be8fae1b1d1846cef054c8bfcd9e0069e9a5c1b532cdfd2cf5e13c1fd1. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL6HK2300018.
  date published: 2026-07-08T03:22:41Z
audio: Ik Wil Kadootjes
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.07
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.872
  additional property: Energy
    type: PropertyValue
    value: 0.82
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.071
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.777
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.086
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Hoor Wie Klopt Daar
type: MusicRecording
duration: PT1M39S
duration ms: 99439
explicit: false
by artist: Pietenkidz
by artist: Sinterklaas
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes 3
  type: MusicAlbum
  date published: 2023-11-10
isrc code: NL6HK2300019
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T11:00:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x384e4683c10f3bb2b00d0ec405388028754a572851ead71e4030baecbc930891
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957061
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957061
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL6HK2300019
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T16:07:00Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957061
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-07T16:07:00+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x384e4683c10f3bb2b00d0ec405388028754a572851ead71e4030baecbc930891. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/NL6HK2300019.
  date published: 2026-07-07T16:07:00Z
audio: Hoor Wie Klopt Daar
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.233
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.759
  additional property: Energy
    type: PropertyValue
    value: 0.882
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.107
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.412
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.937
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.792
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mee Naar Spanje
type: MusicRecording
duration: PT2M43S
duration ms: 163366
explicit: false
by artist: Pietenkidz
by artist: Sinterklaas
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes 3
  type: MusicAlbum
  date published: 2023-11-10
isrc code: NL6HK2300020
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:23:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3ccc6b5170714d8172d8e6d3be0e961a384285fc1919c7c797b4bdb3b2aa90dd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL6HK2300020
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ccc6b5170714d8172d8e6d3be0e961a384285fc1919c7c797b4bdb3b2aa90dd. 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/NL6HK2300020.
  date published: 2026-07-08T03:53:27Z
audio: Mee Naar Spanje
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.43
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.873
  additional property: Energy
    type: PropertyValue
    value: 0.861
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.074
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.274
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.96
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.218
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Piet Ging Uit Fietsen
type: MusicRecording
duration: PT1M53S
duration ms: 113501
explicit: false
by artist: Pietenkidz
by artist: Sinterklaas
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes 3
  type: MusicAlbum
  date published: 2023-11-10
isrc code: NL6HK2300021
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T07:48:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd840277c74d594883e7c753997008d51a74cfdccd0a1820e1d7e7a207c68f8e3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL6HK2300021
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd840277c74d594883e7c753997008d51a74cfdccd0a1820e1d7e7a207c68f8e3. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL6HK2300021.
  date published: 2026-07-02T11:38:34Z
audio: Piet Ging Uit Fietsen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.183
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.807
  additional property: Energy
    type: PropertyValue
    value: 0.824
  additional property: Speechiness
    type: PropertyValue
    value: 0.084
  additional property: Acousticness
    type: PropertyValue
    value: 0.33
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.33
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.909
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.284
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Hoor De Wind Waait Door De Bomen
type: MusicRecording
duration: PT1M34S
duration ms: 94827
explicit: false
by artist: Pietenkidz
by artist: Sinterklaas
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes 3
  type: MusicAlbum
  date published: 2023-11-10
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa5b62f3caa03085d51c0024e46df3ee833e388b13a91723749067bc736a3f47. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/NL6HK2300014.
  date published: 2026-07-30T12:06:10Z
audio: Hoor De Wind Waait Door De Bomen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 149.268
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.833
  additional property: Energy
    type: PropertyValue
    value: 0.564
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.136
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.134
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.92
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.235
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: NL6HK2300014
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960254
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T12:06:10+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL6HK2300014
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960254
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960254
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T12:06:10+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Rommel De Bommel
type: MusicRecording
duration: PT1M49S
duration ms: 109099
explicit: false
by artist: Pietenkidz
by artist: Sinterklaas
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes 3
  type: MusicAlbum
  date published: 2023-11-10
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0632088acf8f950d26a3fefa9abaf72d2c08bde7d30f71a2be83b4747431ad77. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL6HK2300015.
  date published: 2026-07-29T19:35:34Z
audio: Rommel De Bommel
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.841
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.768
  additional property: Energy
    type: PropertyValue
    value: 0.821
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.299
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.824
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.067
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: NL6HK2300015
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960138
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL6HK2300015
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Sinterklaas Is Jarig
type: MusicRecording
duration: PT2M37S
duration ms: 157105
explicit: false
by artist: Pietenkidz
by artist: Sinterklaas
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes 3
  type: MusicAlbum
  date published: 2023-11-10
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f4dae74bdf587c738d4c26d868caca2387c3a8a9d702bbcd665e8e4899e93a2. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/NL6HK2300017.
  date published: 2026-07-31T02:19:15Z
audio: Sinterklaas Is Jarig
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.635
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.638
  additional property: Energy
    type: PropertyValue
    value: 0.752
  additional property: Speechiness
    type: PropertyValue
    value: 0.087
  additional property: Acousticness
    type: PropertyValue
    value: 0.102
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.049
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.903
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.86
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: NL6HK2300017
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960334
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL6HK2300017
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Sinterklaasmuziek voor 2021
type: MusicAlbum
date published: 2021-11-20

de zak van sinterklaas (2021 nieuwe stijl)
type: MusicAlbum
date published: 2021-11-20

Sinterklaas danst met ons mee (2021 nieuwe stijl)
type: MusicAlbum
date published: 2021-11-20

Sinterklaas Hits 2021
type: MusicAlbum
date published: 2021-11-21

Sinterklaas Hits 2021
type: MusicAlbum
date published: 2021-11-21

De Leukste Sinterklaasliedjes (2021)
type: MusicAlbum
date published: 2021-11-21

Sinterklaasliedjes voor 2021
type: MusicAlbum
date published: 2021-11-26

Sinterklaasliedjes 2021
type: MusicAlbum
date published: 2021-11-27

Sinterklaasliedjes Van Nu 2021
type: MusicAlbum
date published: 2021-11-27

Daar Wordt Op De Deur Geklopt (En Andere Sinterklaasliedjes) [2021]
type: MusicAlbum
date published: 2021-11-28

Sinterklaasliedjes Om Mee Te Zingen 2021
type: MusicAlbum
date published: 2021-11-28

Sinterklaas journaal liedjes 2021
type: MusicAlbum
date published: 2021-11-30

Sinterklaas Hits 2021
type: MusicAlbum
date published: 2021-12-01

Meezingers Sinterklaas 2021
type: MusicAlbum
date published: 2021-12-02

De Leukste Sint Hits (2021)
type: MusicAlbum
date published: 2021-12-02

Sinterklaasliedjes (Zie Ginds Komt De Stoomboot En Andere Sinterklaasliedjes) [2021]
type: MusicAlbum
date published: 2021-12-03

De Leukste Sinterklaasliedjes Van 2021
type: MusicAlbum
date published: 2021-12-03

De Zak Van Sinterklaas (En Andere Sinterklaasliedjes) [2021]
type: MusicAlbum
date published: 2021-12-04

Sinterklaas Hits voor 2021
type: MusicAlbum
date published: 2021-12-04

Sinterklaas Hits Voor Pakjesavond (2021)
type: MusicAlbum
date published: 2021-12-05

Sinterklaasliedjes Voor Pakjesavond voor 2021
type: MusicAlbum
date published: 2021-12-05

Sinterklaasmuziek Voor Pakjesavond (2021)
type: MusicAlbum
date published: 2021-12-05

Liedjes Voor Pakjesavond (2021)
type: MusicAlbum
date published: 2021-12-05

Sinterklaasliedjes Voor 5 December (2021)
type: MusicAlbum
date published: 2021-12-05

Pakjesavond (2021)
type: MusicAlbum
date published: 2021-12-05

Sinterklaasliedjes Pakjesavond 2021
type: MusicAlbum
date published: 2021-12-05

Sinterklaasliedjes Voor Pakjesavond 2021
type: MusicAlbum
date published: 2021-12-05

Sinterklaasliedjes 2022 (Heerlijk Avondje Is Gekomen)
type: MusicAlbum
date published: 2022-09-15

Sinterklaasliedjes Van Vroeger
type: MusicAlbum
date published: 2022-09-30

De Sinterklaasliedjes Compilatie 2022
type: MusicAlbum
date published: 2022-10-05

Sinterklaasliedjes Voor Kinderen
type: MusicAlbum
date published: 2022-10-05

Daar Wordt Aan De Deur Geklopt En Andere Sinterklaasliedjes
type: MusicAlbum
date published: 2022-10-08

De Echte Sinterklaasliedjes
type: MusicAlbum
date published: 2022-10-09

De Leukste Sint Hits
type: MusicAlbum
date published: 2022-10-12

Sinterklaasliedjes Voor 2022
type: MusicAlbum
date published: 2022-10-12

Sinterklaasliedjes Om Mee Te Zingen
type: MusicAlbum
date published: 2022-10-18

Sinterklaasliedjes 2022
type: MusicAlbum
date published: 2022-10-19

Meezingers Sinterklaas
type: MusicAlbum
date published: 2022-10-20

Sinterklaasliedjes Van Nu
type: MusicAlbum
date published: 2022-10-22

Sinterklaasliedjes Pakjesavond
type: MusicAlbum
date published: 2022-10-23

Traditionele Sinterklaasliedjes 2022
type: MusicAlbum
date published: 2022-11-09

Sinterklaasmuziek 2022
type: MusicAlbum
date published: 2022-11-11

De Beste Sinterklaasliedjes 2022
type: MusicAlbum
date published: 2022-11-12

Sinterklaasliedjes voor De Intocht
type: MusicAlbum
date published: 2022-11-12

Kinderliedjes voor Sinterklaas 2022
type: MusicAlbum
date published: 2022-11-12

De Zak Van Sinterklaas en andere Sinterklaasliedjes
type: MusicAlbum
date published: 2022-11-12

Sinterklaasliedjes - 2022 Nieuwe Stijl
type: MusicAlbum
date published: 2022-11-12

Sinterklaasliedjes - 2022 Nieuwe Stijl
type: MusicAlbum
date published: 2022-11-12

Sint & Piet Liedjes 2022
type: MusicAlbum
date published: 2022-11-13

Sinterklaasliedjes van Vroeger
type: MusicAlbum
date published: 2022-11-13

Bekende Sinterklaasliedjes
type: MusicAlbum
date published: 2022-11-16

Sinterklaas Hits Voor Pakjesavond
type: MusicAlbum
date published: 2022-11-18

Zie Ginds Komt De Stoomboot en andere Sinterklaasliedjes
type: MusicAlbum
date published: 2022-11-19

De Bekendste Liedjes over Sinterklaas
type: MusicAlbum
date published: 2022-11-19

SinterklaasLiedjes 2022
type: MusicAlbum
date published: 2022-11-19

Aanstekelijke Sinterklaas Hits 2022
type: MusicAlbum
date published: 2022-11-20

Absolute Meezingers voor Sinterklaas 2022
type: MusicAlbum
date published: 2022-11-20

2022 - Zing mee met deze Sinterklaasliedjes!
type: MusicAlbum
date published: 2022-11-23

2022 Dag Sinterklaasje en andere Sinterklaasliedjes!
type: MusicAlbum
date published: 2022-11-25

2022 - Sinterklaas Kapoentje en andere Sinterklaasliedjes
type: MusicAlbum
date published: 2022-11-26

Aanstekelijke Sinterklaasliedjes Voor Pakjesavond
type: MusicAlbum
date published: 2022-11-26

5 December Sinterklaasliedjes
type: MusicAlbum
date published: 2022-11-27

2022 - Aan Beste Sint & Piet (De Beste Sint & Piet Hits)
type: MusicAlbum
date published: 2022-12-01

2022‘s Lands Beste Sinterklaasliedjes
type: MusicAlbum
date published: 2022-12-01

%100 Aangename Sinterklaasliedjes Voor Pakjesavond
type: MusicAlbum
date published: 2022-12-02

02-05-2022- Bekende Sinterklaasliedjes
type: MusicAlbum
date published: 2022-12-02

.100% Aanstekelijke Sinterklaas Hits
type: MusicAlbum
date published: 2022-12-02

.100% Aaangename Sinterklaasliedjes 2022
type: MusicAlbum
date published: 2022-12-03

(100) Aaangename Sinterklaasliedjes
type: MusicAlbum
date published: 2022-12-03

.1000% - Bekende Sinterklaas Hits
type: MusicAlbum
date published: 2022-12-03

Aaaah! De Stoomboot Is Weer Aangekomen: De Leukste Sinterklaasliedjes
type: MusicAlbum
date published: 2022-12-03

.#100 Alleen De Allerbeste Sinterklaasliedjes
type: MusicAlbum
date published: 2022-12-03

Aaangename Sinterklaasliedjes
type: MusicAlbum
date published: 2022-12-03

.100% Aangename Sinterklaasliedjes
type: MusicAlbum
date published: 2022-12-03

(100) - Allerleukste Sinterklaasliedjes
type: MusicAlbum
date published: 2022-12-04

*Aangename* - Sinterklaasliedjes Om Mee Te Zingen
type: MusicAlbum
date published: 2022-12-04

#100_$interklaasliedjes Om Mee Te Zingen
type: MusicAlbum
date published: 2022-12-04

Aanraders voor Sinterklaas 2022
type: MusicAlbum
date published: 2022-12-04

Aaaah! Daar is Sinterklaas!
type: MusicAlbum
date published: 2022-12-04

A B C (het Chocolade Alphabet Van De Sint) – Sinterklaasliedjes voor iedereen
type: MusicAlbum
date published: 2022-12-04

Aandoenlijke Sinterklaas Hits
type: MusicAlbum
date published: 2022-12-04

.5.12.22 & Allerleukste Sinterklaasliedjes Voor Pakjesavond
type: MusicAlbum
date published: 2022-12-04

__100% Aangename Sinterklaasliedjes
type: MusicAlbum
date published: 2022-12-04

Aardig veel Sinterklaasliedjes voor Pakjesavond
type: MusicAlbum
date published: 2022-12-05

A-a-a-h! Heerlijk avondje Is Gekomen – Aangename Sinterklaasliedjes voor Pakjesavond
type: MusicAlbum
date published: 2022-12-05

Aaah! Daar zijn Sint & Piet – Allerleukste Sinterklaasliedjes
type: MusicAlbum
date published: 2022-12-05

_05_12_2022 Beste Sinterklaasliedjes Om Mee Te Zingen
type: MusicAlbum
date published: 2022-12-05

:) 100% Beste Sinterklaas Hits
type: MusicAlbum
date published: 2022-12-05

_#100 -- Allerleukste Sinterklaasliedjes
type: MusicAlbum
date published: 2022-12-05

_5_12_2022 Allerbeste Sinterklaasliedjes
type: MusicAlbum
date published: 2022-12-05

Áaaallerbeste Sinterklaasliedjes Voor Pakjesavond
type: MusicAlbum
date published: 2022-12-05

*100* Allerbeste Sinterklaasliedjes
type: MusicAlbum
date published: 2022-12-05

_Allerbeste - Sinterklaasliedjes Om Mee Te Zingen
type: MusicAlbum
date published: 2022-12-05

2022 - Alle Sinterklaasliedjes 6 December
type: MusicAlbum
date published: 2022-12-06

White Christmas
type: MusicAlbum
date published: 2022-12-25

Harmonieuze feestdagen
type: MusicAlbum
date published: 2023-10-15

Kerst sensaties
type: MusicAlbum
date published: 2023-10-23

Vakantie harmonieën
type: MusicAlbum
date published: 2023-11-01

Carols bij het haardvuur
type: MusicAlbum
date published: 2023-11-01

Magische momenten
type: MusicAlbum
date published: 2023-11-02

De Beste Sinterklaasliedjes
type: MusicAlbum
date published: 2023-11-03

Allerbeste Sinterklaas Hits 2023
type: MusicAlbum
date published: 2023-11-04

Alle Sinterklaasliedjes van 2023
type: MusicAlbum
date published: 2023-11-06

Serenades voor sledetochten
type: MusicAlbum
date published: 2023-11-09

Pietengirl
type: MusicAlbum
date published: 2023-11-10

Allerleukste Sinterklaasliedjes 2023!
type: MusicAlbum
date published: 2023-11-18

Allerleukste Sinterklaasliedjes 2023!
type: MusicAlbum
date published: 2023-11-18

De Beste Sinterklaasliedjes 2023
type: MusicAlbum
date published: 2023-11-19

De Sinterklaasliedjes Compilatie 2023
type: MusicAlbum
date published: 2023-11-20

De Leukste Sinterklaasliedjes Van 2023
type: MusicAlbum
date published: 2023-11-22

Allerbeste Sinterklaasliedjes 2023
type: MusicAlbum
date published: 2023-11-25

#1 - Kinderliedjes voor Sinterklaas 2023
type: MusicAlbum
date published: 2023-11-25

#1 - De Sinterklaas Liedjes voor 2023
type: MusicAlbum
date published: 2023-11-25

#1 - Liedjes voor Sinterklaas 2023
type: MusicAlbum
date published: 2023-11-26

#1 Sint & Piet Liedjes 2023
type: MusicAlbum
date published: 2023-11-27

#1 Meezingers voor Sinterklaas 2023
type: MusicAlbum
date published: 2023-11-29

Aan Sinterklaas (Mijn Verlanglijstje)
type: MusicAlbum
date published: 2023-11-29

Aangename Sinterklaas Liedjes 2023
type: MusicAlbum
date published: 2023-11-30

Aaah! De Sinterklaas Hits van 2023
type: MusicAlbum
date published: 2023-12-01

Alleen Maar Sinterklaas 2023
type: MusicAlbum
date published: 2023-12-02

Sinterklaas Liedjes 2023
type: MusicAlbum
date published: 2023-12-02

Alle Kinderliedjes voor Pakjesavond 2023
type: MusicAlbum
date published: 2023-12-03

1 2 3 Alle Sinterklaasliedjes Op Een Rij
type: MusicAlbum
date published: 2023-12-03

Sinterklaasliedjes voor Pakjesavond 2023
type: MusicAlbum
date published: 2023-12-04

A-B-C van de Sint (Alle Sinterklaas Hits Op een Rij)
type: MusicAlbum
date published: 2023-12-05

Aanstekelijke Sinterklaasmuziek 2023
type: MusicAlbum
date published: 2023-12-05

Aaaah! Het is Pakjesavond 2023
type: MusicAlbum
date published: 2023-12-05

Kerstmelodieën
type: MusicAlbum
date published: 2024-09-20

Kerstliederen
type: MusicAlbum
date published: 2024-09-28

Kerstavond Melodieën
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date published: 2024-11-01
track: Oh, Heilige Nacht
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    date published: 2024-11-01
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-19T20:09:23Z
  audio: Oh, Heilige Nacht
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Kerstmuziek: Feestelijke Melodieën van het Hart
type: MusicAlbum
date published: 2024-11-09

A B C Van De Sint! (Alle Sinterklaasliedjes Op Een Rij)
type: MusicAlbum
date published: 2024-11-14

Alle Sinterklaasliedjes Voor De Intocht
type: MusicAlbum
date published: 2024-11-16

Kerstmis Harmonie
type: MusicAlbum
date published: 2024-11-17

Allerbeste Sinterklaasliedjes Voor Kids!
type: MusicAlbum
date published: 2024-11-23

Alleen De Beste Sinterklaasliedjes!
type: MusicAlbum
date published: 2024-11-27

Alleen de Beste Sinterklaasliedjes Voor Kids!
type: MusicAlbum
date published: 2024-11-29

Kerstavond Melodieën
type: MusicAlbum
date published: 2024-12-01

Sinterklaasliedjes 2024
type: MusicAlbum
date published: 2024-12-05

Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
type: MusicAlbum
date published: 2024-12-05

Alle Sinterklaasliedjes Voor Pakjesavond! (Alleen De Beste Sinterklaasliedjes!)
type: MusicAlbum
date published: 2024-12-06

1 - Sinterklaas (Alleen De Beste Sinterklaasliedjes!)
type: MusicAlbum
date published: 2024-12-06

1 - Sinterklaas (Alleen De Beste Sinterklaasliedjes!)
type: MusicAlbum
date published: 2024-12-06

Kerstliederen: Een Muzikale Reis door Feestelijke Tradities
type: MusicAlbum
date published: 2024-12-09

Kerstliederen: Een Muzikale Viering van de Feestdagen
type: MusicAlbum
date published: 2024-12-17

Vrolijk Kerstfeest!
type: MusicAlbum
date published: 2024-12-25

Sinterklaas Kapoentje
type: MusicAlbum
date published: 2025-08-01

Sinterklaasje, Kom Maar Binnen
type: MusicAlbum
date published: 2025-10-10

Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
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date published: 2025-10-28
track: Sinterklaasje Kom Maar Binnen!
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x803828e8899cbbcb7c2297255ff2816600d62073afbaa25179fe9a3fa80be681. Chain 2 (Bitcoin): anchored in block 957785 (2026-07-13T01:55:31Z), 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/NLS242300382.
    date published: 2026-07-13T01:55:31Z
  audio: Sinterklaasje Kom Maar Binnen!
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track: Daar Wordt Aan De Deur Geklopt!
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-15T09:44:58Z
  audio: Daar Wordt Aan De Deur Geklopt!
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track: Zachtjes Gaan De Paardenvoetjes!
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  subject of: OpenTimestamps Proof of Existence
  audio: Zachtjes Gaan De Paardenvoetjes!
track: Strooien Strooien!
track: De Zak Van Sinterklaas, Sinterklaas!
track: Daar Is Een Stoomboot Aangekomen!
track: Hij Is Voor Groot En Klein!
track: Sinterklaas Kapoentje! (Gooi Wat In Mijn Schoentje)
track: Hij Komt, Hij Komt!
track: Wat Heb Jij In Je Schoen Gelegd?
track: Rommel De Bommel! (Wat Een Gestommel)
track: Jongens Heb Je 't Al Vernomen?
track: Zie De Maan Schijnt Door De Bomen!
track: Zie Ginds Komt De Stoomboot! (Uit Spanje Weer Aan)
track: Sinterklaasje Bonne Bonne Bonne!
track: Wie Komt Er Alle Jaren?
track: Hop Hop Hop, Paardje In Galop!
track: Wie (Komt Er Alle Jaren)?
track: Sinterklaas Is Aangekomen!
track: Sinterklaas Die Goede Heer!
track: Sinterklaas Goedheiligman!
track: Oh Kom Er Eens Kijken!
track: Hoor Wie Klopt Daar Kinderen?
track: Hoor De Wind Waait (Door De Bomen)
track: Op De Hoge, Hoge Daken!
track: Ieder Kind Is Goud!
track: Wat Zijn We Blij!
track: Dag Sinterklaasje!
track: Dag Sinterklaasje, Dag Dag!
track: Sinterklaas, Tot Volgend Jaar!

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

OpenTimestamps Proof of Existence
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encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x958efc5d6f9dec573580f59d1f80427510be1f3612a09674a0123ab3c4c62fa4. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/NLS242300389.
date published: 2026-07-03T08:56:35Z

Zachtjes Gaan De Paardenvoetjes!
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Valence (Positivity)
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Strooien Strooien!
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genre: children's music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c99def55fa46a0f554efe736bf2721eed950f9cd650bf1d2838f1ab6cc1088a. Chain 2 (Bitcoin): anchored in block 958111 (2026-07-15T06:58:20Z), 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/NLS242300391.
  date published: 2026-07-15T06:58:20Z
audio: Strooien Strooien!
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De Zak Van Sinterklaas, Sinterklaas!
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genre: children's music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ac1b4c615633412c11c2d777bd4076219e238ac317e17ca68fb7ba2824c4aed. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/NLS242300375.
  date published: 2026-07-15T15:55:19Z
audio: De Zak Van Sinterklaas, Sinterklaas!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.905
  additional property: Energy
    type: PropertyValue
    value: 0.678
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.079
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.087
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.966
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.359
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Daar Is Een Stoomboot Aangekomen!
type: MusicRecording
duration: PT1M6S
duration ms: 66685
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300377
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T07:15:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x752f7c8b96775df5eed63a0012554bb256d3f9290c1e52f77eab603fa73e882f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956500
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956500
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300377
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T13:55:21Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x752f7c8b96775df5eed63a0012554bb256d3f9290c1e52f77eab603fa73e882f. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/NLS242300377.
  date published: 2026-07-03T13:55:21Z
audio: Daar Is Een Stoomboot Aangekomen!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.016
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.749
  additional property: Energy
    type: PropertyValue
    value: 0.686
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.004
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.301
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.847
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.277
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Hij Is Voor Groot En Klein!
type: MusicRecording
duration: PT0M52S
duration ms: 52524
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300376
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T07:19:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1afa70b52af4514df3c0a47d1617e840cf515c232789bc980c5bbcdd174a33f5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958263
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958263
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300376
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T08:19:47Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1afa70b52af4514df3c0a47d1617e840cf515c232789bc980c5bbcdd174a33f5. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T08:19:47Z), 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/NLS242300376.
  date published: 2026-07-16T08:19:47Z
audio: Hij Is Voor Groot En Klein!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.948
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.866
  additional property: Energy
    type: PropertyValue
    value: 0.69
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.134
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.329
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.905
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.84
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sinterklaas Kapoentje! (Gooi Wat In Mijn Schoentje)
type: MusicRecording
duration: PT1M6S
duration ms: 66151
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300392
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T19:50:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x172e915f4fb32c7c6b1871dbd8bbcfd69f0ba1cf7849acc8c958d54dcdc3ae6f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958194
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958194
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300392
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T22:52:21Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x172e915f4fb32c7c6b1871dbd8bbcfd69f0ba1cf7849acc8c958d54dcdc3ae6f. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T22:52:21Z), 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/NLS242300392.
  date published: 2026-07-15T22:52:21Z
audio: Sinterklaas Kapoentje! (Gooi Wat In Mijn Schoentje)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.96
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.748
  additional property: Energy
    type: PropertyValue
    value: 0.626
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.027
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.258
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.645
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.648
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Hij Komt, Hij Komt!
type: MusicRecording
duration: PT0M30S
duration ms: 30367
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300374
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T08:13:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe794d184c4501f6649b54d85243cf182bd77844ee919cef5daf54c6f1b609dd9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958271
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958271
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300374
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T11:08:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe794d184c4501f6649b54d85243cf182bd77844ee919cef5daf54c6f1b609dd9. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T11:08:10Z), 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/NLS242300374.
  date published: 2026-07-16T11:08:10Z
audio: Hij Komt, Hij Komt!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.075
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.841
  additional property: Energy
    type: PropertyValue
    value: 0.906
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.001
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.147
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.381
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.574
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wat Heb Jij In Je Schoen Gelegd?
type: MusicRecording
duration: PT0M56S
duration ms: 56334
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300386
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T06:36:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3debddf5417d5fef7bc8269c6cb12070482b5a8840a04daf092dbf49e0fdb409
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958256
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958256
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300386
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T07:22:18Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3debddf5417d5fef7bc8269c6cb12070482b5a8840a04daf092dbf49e0fdb409. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/NLS242300386.
  date published: 2026-07-16T07:22:18Z
audio: Wat Heb Jij In Je Schoen Gelegd?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 152.992
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.793
  additional property: Energy
    type: PropertyValue
    value: 0.665
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.099
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.268
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.962
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.974
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rommel De Bommel! (Wat Een Gestommel)
type: MusicRecording
duration: PT0M55S
duration ms: 55024
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300380
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T13:56:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd64c7e5e13b65848a4c1150087377eaafa98f2f133330e8164b2eeaa475a06f6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956560
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956560
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300380
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T23:28:02Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd64c7e5e13b65848a4c1150087377eaafa98f2f133330e8164b2eeaa475a06f6. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/NLS242300380.
  date published: 2026-07-03T23:28:02Z
audio: Rommel De Bommel! (Wat Een Gestommel)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.034
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.582
  additional property: Energy
    type: PropertyValue
    value: 0.444
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.023
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.483
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.061
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Jongens Heb Je 't Al Vernomen?
type: MusicRecording
duration: PT1M14S
duration ms: 74835
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300379
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T13:52:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa736257e3c6d752e616b6a38a71f5464e9a01ba83402c4a39614ddebc3947b40
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956551
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956551
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300379
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T21:18:05Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa736257e3c6d752e616b6a38a71f5464e9a01ba83402c4a39614ddebc3947b40. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/NLS242300379.
  date published: 2026-07-03T21:18:05Z
audio: Jongens Heb Je 't Al Vernomen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.363
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.565
  additional property: Energy
    type: PropertyValue
    value: 0.436
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.034
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.631
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.262
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.066
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Zie De Maan Schijnt Door De Bomen!
type: MusicRecording
duration: PT1M1S
duration ms: 61262
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300387
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T15:38:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3f08095f08d529a35e20a5dba418b98c779c2c2c0b50d90ec91bbcae3ac8fee2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958300
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958300
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300387
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T16:14:30Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f08095f08d529a35e20a5dba418b98c779c2c2c0b50d90ec91bbcae3ac8fee2. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300387.
  date published: 2026-07-16T16:14:30Z
audio: Zie De Maan Schijnt Door De Bomen!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.082
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.767
  additional property: Energy
    type: PropertyValue
    value: 0.298
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.67
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.155
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.616
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.412
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Zie Ginds Komt De Stoomboot! (Uit Spanje Weer Aan)
type: MusicRecording
duration: PT1M2S
duration ms: 62841
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300372
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T23:45:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb294ab58e19b5d4fb7cc9c1430711175cf5fd895105c95969f44e53b3190ff18
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958341
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958341
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300372
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T02:47:01Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb294ab58e19b5d4fb7cc9c1430711175cf5fd895105c95969f44e53b3190ff18. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T02:47:01Z), 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/NLS242300372.
  date published: 2026-07-17T02:47:01Z
audio: Zie Ginds Komt De Stoomboot! (Uit Spanje Weer Aan)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.983
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.809
  additional property: Energy
    type: PropertyValue
    value: 0.468
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.187
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.168
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.622
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.091
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sinterklaasje Bonne Bonne Bonne!
type: MusicRecording
duration: PT0M32S
duration ms: 32812
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300383
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T15:08:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6e534d54dba01530007f824f7239f2ec313a988bb761d8721bccff137ac6b61f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958300
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958300
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300383
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T16:14:30Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e534d54dba01530007f824f7239f2ec313a988bb761d8721bccff137ac6b61f. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300383.
  date published: 2026-07-16T16:14:30Z
audio: Sinterklaasje Bonne Bonne Bonne!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 153.029
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.723
  additional property: Energy
    type: PropertyValue
    value: 0.771
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.015
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.164
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.852
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.332
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wie Komt Er Alle Jaren?
type: MusicRecording
duration: PT0M36S
duration ms: 36943
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300373
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T23:37:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf91f237afaf44ad8695b870836e200708197e0cb2b6f36779cbce3c7116b3bba
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958340
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958340
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300373
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T02:40:43Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf91f237afaf44ad8695b870836e200708197e0cb2b6f36779cbce3c7116b3bba. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T02:40:43Z), 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/NLS242300373.
  date published: 2026-07-17T02:40:43Z
audio: Wie Komt Er Alle Jaren?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.97
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.664
  additional property: Energy
    type: PropertyValue
    value: 0.651
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.3
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.911
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.303
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Hop Hop Hop, Paardje In Galop!
type: MusicRecording
duration: PT0M33S
duration ms: 33529
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300381
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T23:54:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2b0317591580d5a178fc63a7fd0cbe53cbde00b50f85b2fa6fbe404444802c55
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958340
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958340
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300381
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T02:56:45Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b0317591580d5a178fc63a7fd0cbe53cbde00b50f85b2fa6fbe404444802c55. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T02:56:45Z), 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/NLS242300381.
  date published: 2026-07-17T02:56:45Z
audio: Hop Hop Hop, Paardje In Galop!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.788
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.927
  additional property: Energy
    type: PropertyValue
    value: 0.457
  additional property: Speechiness
    type: PropertyValue
    value: 0.076
  additional property: Acousticness
    type: PropertyValue
    value: 0.065
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.016
  additional property: Liveness
    type: PropertyValue
    value: 0.133
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.94
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.313
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wie (Komt Er Alle Jaren)?
type: MusicRecording
duration: PT0M32S
duration ms: 32735
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300394
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T14:11:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa2e7721183682b75c85e7f1e6ed18a9daa24a2fde8ac64f4aeea8df421b8b980
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958316
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958316
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300394
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T23:01:44Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2e7721183682b75c85e7f1e6ed18a9daa24a2fde8ac64f4aeea8df421b8b980. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T23:01:44Z), 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/NLS242300394.
  date published: 2026-07-16T23:01:44Z
audio: Wie (Komt Er Alle Jaren)?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 63.027
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.667
  additional property: Energy
    type: PropertyValue
    value: 0.522
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.635
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.211
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.645
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.453
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sinterklaas Is Aangekomen!
type: MusicRecording
duration: PT0M52S
duration ms: 52110
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300393
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T09:14:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8fda858dc45905ee0177e864c3ef371c6ef832037deb9adfef4b9de35bde241b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958390
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958390
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300393
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T09:35:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fda858dc45905ee0177e864c3ef371c6ef832037deb9adfef4b9de35bde241b. Chain 2 (Bitcoin): anchored in block 958390 (2026-07-17T09:35:49Z), 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/NLS242300393.
  date published: 2026-07-17T09:35:49Z
audio: Sinterklaas Is Aangekomen!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.059
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.642
  additional property: Energy
    type: PropertyValue
    value: 0.532
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.056
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.265
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.875
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.312
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sinterklaas Die Goede Heer!
type: MusicRecording
duration: PT0M43S
duration ms: 43591
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300384
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T03:19:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7d7b70000b1dd0dd36cba5c9fd808a412f1683dc9807475ede4b27f08499dc9d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956656
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956656
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300384
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T14:03:39Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d7b70000b1dd0dd36cba5c9fd808a412f1683dc9807475ede4b27f08499dc9d. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/NLS242300384.
  date published: 2026-07-04T14:03:39Z
audio: Sinterklaas Die Goede Heer!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 153.076
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.626
  additional property: Energy
    type: PropertyValue
    value: 0.664
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.028
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.269
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.963
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.463
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sinterklaas Goedheiligman!
type: MusicRecording
duration: PT0M49S
duration ms: 49483
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300385
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T22:12:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdba39c83c75837481aa4415767a4af03f9896976898cc31cc3fc89fca5a82435
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956639
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956639
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300385
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T11:19:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdba39c83c75837481aa4415767a4af03f9896976898cc31cc3fc89fca5a82435. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/NLS242300385.
  date published: 2026-07-04T11:19:20Z
audio: Sinterklaas Goedheiligman!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 153.15
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.712
  additional property: Energy
    type: PropertyValue
    value: 0.838
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.08
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.984
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.666
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Oh Kom Er Eens Kijken!
type: MusicRecording
duration: PT1M19S
duration ms: 79581
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300390
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T09:21:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa9f620553ddeb4f2c5c7ecc7ad447ad8a2f3fe2debec8cef09cffe69bca4d9cb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958444
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958444
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300390
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T19:12:23Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9f620553ddeb4f2c5c7ecc7ad447ad8a2f3fe2debec8cef09cffe69bca4d9cb. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/NLS242300390.
  date published: 2026-07-17T19:12:23Z
audio: Oh Kom Er Eens Kijken!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.583
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.398
  additional property: Energy
    type: PropertyValue
    value: 0.411
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.208
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.157
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.391
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.998
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Hoor Wie Klopt Daar Kinderen?
type: MusicRecording
duration: PT1M7S
duration ms: 67213
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300397
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T22:12:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f3db40de1e4d3e6fd8ff8430b9a6595d95433d243eab43b9f2f23e124ce4ddb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956639
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956639
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300397
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T11:19:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f3db40de1e4d3e6fd8ff8430b9a6595d95433d243eab43b9f2f23e124ce4ddb. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/NLS242300397.
  date published: 2026-07-04T11:19:20Z
audio: Hoor Wie Klopt Daar Kinderen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 209.22
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.471
  additional property: Energy
    type: PropertyValue
    value: 0.526
  additional property: Speechiness
    type: PropertyValue
    value: 0.166
  additional property: Acousticness
    type: PropertyValue
    value: 0.376
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.181
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.734
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.647
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Hoor De Wind Waait (Door De Bomen)
type: MusicRecording
duration: PT0M37S
duration ms: 37570
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300396
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T08:41:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x229f72524a146f6542ae2e9b7624415823f762c60a544e03ae490271c05d7152
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958388
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958388
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300396
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T09:14:21Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x229f72524a146f6542ae2e9b7624415823f762c60a544e03ae490271c05d7152. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/NLS242300396.
  date published: 2026-07-17T09:14:21Z
audio: Hoor De Wind Waait (Door De Bomen)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.216
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.7
  additional property: Energy
    type: PropertyValue
    value: 0.427
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.374
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.273
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.435
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.902
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Op De Hoge, Hoge Daken!
type: MusicRecording
duration: PT0M29S
duration ms: 29991
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300388
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T03:44:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7d2339ae2f7afee139f872d448745a3ec346dac817b59b95713a885a719796ec
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956891
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956891
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300388
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:16:32Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d2339ae2f7afee139f872d448745a3ec346dac817b59b95713a885a719796ec. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/NLS242300388.
  date published: 2026-07-06T07:16:32Z
audio: Op De Hoge, Hoge Daken!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.047
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.778
  additional property: Energy
    type: PropertyValue
    value: 0.28
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.236
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.288
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.966
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.121
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ieder Kind Is Goud!
type: MusicRecording
duration: PT0M34S
duration ms: 34768
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300395
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T04:04:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x262e1bc3d5681d2f714ef1479c7ef781ce8cf59eb3e944a761b454f152c7c7f6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956634
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956634
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300395
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T10:04:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x262e1bc3d5681d2f714ef1479c7ef781ce8cf59eb3e944a761b454f152c7c7f6. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300395.
  date published: 2026-07-04T10:04:33Z
audio: Ieder Kind Is Goud!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.01
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.849
  additional property: Energy
    type: PropertyValue
    value: 0.455
  additional property: Speechiness
    type: PropertyValue
    value: 0.21
  additional property: Acousticness
    type: PropertyValue
    value: 0.872
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.127
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.295
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.021
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wat Zijn We Blij!
type: MusicRecording
duration: PT0M38S
duration ms: 38421
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300399
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T09:32:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4ddc5fd46c240049c34cdfba223bae80ccc58d1e71615705854b86716167d1f6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956639
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956639
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300399
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T11:19:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ddc5fd46c240049c34cdfba223bae80ccc58d1e71615705854b86716167d1f6. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/NLS242300399.
  date published: 2026-07-04T11:19:20Z
audio: Wat Zijn We Blij!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.977
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.751
  additional property: Energy
    type: PropertyValue
    value: 0.892
  additional property: Speechiness
    type: PropertyValue
    value: 0.098
  additional property: Acousticness
    type: PropertyValue
    value: 0.008
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.143
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.607
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.625
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Dag Sinterklaasje!
type: MusicRecording
duration: PT0M41S
duration ms: 41563
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300398
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T09:05:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x57d269d13a1f1eaf8306afdf22d7a9a7e08092780216e518c88332f674dce29a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956656
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956656
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300398
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T14:03:39Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57d269d13a1f1eaf8306afdf22d7a9a7e08092780216e518c88332f674dce29a. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/NLS242300398.
  date published: 2026-07-04T14:03:39Z
audio: Dag Sinterklaasje!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.994
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.741
  additional property: Energy
    type: PropertyValue
    value: 0.691
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.324
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.859
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.903
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Dag Sinterklaasje, Dag Dag!
type: MusicRecording
duration: PT0M38S
duration ms: 38981
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300401
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T10:45:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x843cb46c32ecfee5dedc2c79d42b75b969c24a136c37a705c9817fbb724d914e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958544
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958544
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300401
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T12:14:37Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x843cb46c32ecfee5dedc2c79d42b75b969c24a136c37a705c9817fbb724d914e. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/NLS242300401.
  date published: 2026-07-18T12:14:37Z
audio: Dag Sinterklaasje, Dag Dag!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.899
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.641
  additional property: Energy
    type: PropertyValue
    value: 0.842
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.236
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.474
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.657
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sinterklaas, Tot Volgend Jaar!
type: MusicRecording
duration: PT0M34S
duration ms: 34296
explicit: false
by artist: Sinterklaasliedjes
in album: Sinterklaasliedjes (Alleen de Beste Sinterklaasliedjes!)
  type: MusicAlbum
  date published: 2025-10-28
genre: children's music
isrc code: NLS242300400
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T02:11:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x14434ca32b564db6342714961c3fc2ce2a359b2cc6231804da26b922c35dc35e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958484
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958484
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLS242300400
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T03:34:53Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14434ca32b564db6342714961c3fc2ce2a359b2cc6231804da26b922c35dc35e. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/NLS242300400.
  date published: 2026-07-18T03:34:53Z
audio: Sinterklaas, Tot Volgend Jaar!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.187
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.746
  additional property: Energy
    type: PropertyValue
    value: 0.819
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.006
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.171
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.424
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.132
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sinterklaasliedjes 2025 (Alleen De Beste Sinterklaasliedjes!)
type: MusicAlbum
date published: 2025-10-29

Alle Sinterklaasliedjes Voor De Intocht
type: MusicAlbum
date published: 2025-11-14