Dieuwertje Blok
type: MusicGroup
description: Dieuwer Sarah "Dieuwertje" Blok (8 August 1957 – 2 March 2025) was a Dutch actress, writer and radio and television presenter who was best known for presenting Het Sinterklaasjournaal from 2001 to 202
popularity: 10
followers: 110
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-16T18:08:34Z
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track: Kerstverhaal verteld door Dieuwertje Blok

Kerstverhaal verteld door Dieuwertje Blok
type: MusicRecording
duration: PT6M48S
duration ms: 408080
explicit: false
by artist: Anonymous
by artist: Amsterdam Baroque Orchestra
by artist: Nieuw Vocaal Amsterdam
by artist: Dieuwertje Blok
by artist: Ton Koopman
in album: Kerstspel
  type: MusicAlbum
  date published: 2017-11-24
popularity: 0
isrc code: NLK171700026
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Kerstverhaal verteld door Dieuwertje Blok
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  additional property: Danceability
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  additional property: Loudness (dB)
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  additional property: Key Name
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