Magnus Gustafsson
type: MusicGroup
genre: folk
description: Magnus Nils Gustafsson (born 3 January 1967) is a tennis coach and former top ten professional tennis player from Sweden. Gustafsson won 14 tour singles titles during his career and finished 15 consec
popularity: 3
followers: 60
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additional property: OTSVerifyInstructions
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x566427dd072d5336880394a52006b6394c37ccff8843e658d6955ee4f1acf8f5. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/80ac8be7-9bf5-418a-83f0-06f87076866e.json and https://artists.proofprofile.net/proofs/artist/80ac8be7-9bf5-418a-83f0-06f87076866e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
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album: Bålgetingen - Låtar efter August Strömberg, Jät
  type: MusicAlbum
  date published: 2009
  track: Bålgetingen, schottis
album: Daahl!, Pt. 1
  type: MusicAlbum
  date published: 2021-11-26
album: Daahl!, Pt. 2
  type: MusicAlbum
  date published: 2021-11-26
album: Näcklåtar
  type: MusicAlbum
  date published: 2012-10-17
  track: Näckens Polska

Bålgetingen, schottis
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by artist: Anders Svensson
by artist: Magnus Gustafsson
by artist: Susanne Gustafsson
by artist: Jörgen Axelsson
in album: Bålgetingen - Låtar efter August Strömberg, Jät
  type: MusicAlbum
  date published: 2009
popularity: 2
isrc code: SE3SA1503220
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Bålgetingen, schottis
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  additional property: Acousticness
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Näckens Polska
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by artist: Magnus Gustafsson
in album: Näcklåtar
  type: MusicAlbum
  date published: 2012-10-17
genre: folk
isrc code: SEWJN1200111
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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: 2026-07-08T03:22:41Z
audio: Näckens Polska
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