Karol XVII & MB Valence
type: MusicGroup
genre: organic house
description: Karol XVII & MB Valence – a Polish duo of DJs and producers of electronic music – Karol Samocki (as Karol XVII) and Marek Bigajski (as MB Valence). The duo's work focuses on such genres as Deep house,
popularity: 25
followers: 3172
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  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 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
subject of: OpenTimestamps Proof of Existence
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album: Whispers (Rosario Galati Remix)
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  date published: 2023-12-08
  track: Whispers - Rosario Galati Remix
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    by artist: Karol XVII & MB Valence
    by artist: Lazarusman
    by artist: Rosario Galati
    in album: Whispers (Rosario Galati Remix)
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      date published: 2023-12-08
    popularity: 4
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-31T09:25:34Z
    audio: Whispers - Rosario Galati Remix
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album: Close Your Eyes (Karol XVII & MB Valence Loco Remix - Extended)
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  date published: 2025-06-13
album: Close Your Eyes (Karol XVII & MB Valence Loco Remix)
  type: MusicAlbum
  date published: 2025-05-30
album: Space Trip
  type: MusicAlbum
  date published: 2013-10-18
album: Happy (Including Milk & Sugar, Karol XVII & MB Valence, Ruben Alvarez, Loui & Scibi Remixes)
  type: MusicAlbum
  date published: 2010-11-19
track: Sonus - Lusine Remix - Mixed - March 2024
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  duration: PT3M51S
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  by artist: Karol XVII & MB Valence
  by artist: Lusine
  in album: Get Physical Radio - March 2024
    type: MusicAlbum
    date published: 2024-03-26
  popularity: 10
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
  audio: Sonus - Lusine Remix - Mixed - March 2024
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track: Fool's Gold - Fur Coat Remix
track: Sweet Honey Drops

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Fool's Gold - Fur Coat Remix
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by artist: Karol XVII & MB Valence
by artist: Fur Coat
by artist: Jono McCleery
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Sweet Honey Drops
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duration: PT3M11S
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by artist: Karol XVII & MB Valence
in album: Deep House Top 100
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  date published: 2016-04-22
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Sweet Honey Drops
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