Simon Gärdenfors
type: MusicGroup
genre: comedy
description: thumb|Simon Gärdenfors (left) with Calle Thörn. Simon Gärdenfors (born 23 March 1978) is a Swedish cartoonist, rapper, television presenter, and radio host.Simon Gardenfors at Top Shelf Productions, a
popularity: 18
followers: 611
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subject of: OpenTimestamps Proof of Existence
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album: En slapp timme
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  date published: 2017-04-17
  track: Kött är mord & Isbjörnar
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      date published: 2017-04-17
    genre: comedy
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-21T15:38:13Z
    audio: Kött är mord & Isbjörnar
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  track: Micromat & Pride
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    genre: comedy
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-05T19:27:56Z
    audio: Micromat & Pride
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  track: Minskningen & 5 kg
album: Vesslan
album: Uppvigling
album: Stad

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Minskningen & 5 kg
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by artist: Simon Gärdenfors
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genre: comedy
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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 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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  date published: 2026-07-21T13:22:35Z
audio: Minskningen & 5 kg
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Vesslan
type: MusicAlbum
date published: 2019-04-29

Vesslan
type: MusicAlbum
date published: 2019-04-29

Uppvigling
type: MusicAlbum
date published: 2022-06-03

Stad
type: MusicAlbum
date published: 2024-05-16