Lou Van Burg
type: MusicGroup
genre: schlager
description: Lou van Burg (born Louis van Weerdenburg) (25 August 1917 – 26 April 1986) was a Dutchman who had a successful career as a television personality, singer and game show host in Germany. Biography Bo
popularity: 6
followers: 698
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additional property: CopyrightChainExplorerURL
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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 0x019b4b298796e3cd40c898af5dcebafff8c5303bdfcbb920009dadeabc0b7913. Chain 2 (Bitcoin): anchored in block 954638 (2026-06-21T03:45:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d3f8f445-e388-4f70-9654-8451164dc982.json and https://artists.proofprofile.net/proofs/artist/d3f8f445-e388-4f70-9654-8451164dc982.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T03:45:44Z
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album: Cindy, oh Cindy (feat. Robert Valentino et son orchestre) [Mono Version]
  type: MusicAlbum
  date published: 1957-01-01
album: Freunde fürs Leben – 50 große Erfolge
  type: MusicAlbum
  date published: 2015-09-16
  track: Freunde fürs Leben (Down by the Riverside)
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    by artist: Lou Van Burg
    in album: Freunde fürs Leben – 50 große Erfolge
      type: MusicAlbum
      date published: 2015-09-16
    genre: schlager
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    additional property: OTSTimestamp
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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
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a03ba3497cda06d448905faf2450ad1125c150e439696bac0edf326ba3185f9. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/DER751533826.
      date published: 2026-07-18T11:58:44Z
    audio: Freunde fürs Leben (Down by the Riverside)
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      additional property: Tempo (BPM)
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      additional property: Danceability
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      additional property: Speechiness
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      additional property: Instrumentalness
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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        value: -13.462
      additional property: Key Name
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        value: F
      additional property: Mode Name
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        value: Major
album: Cindy, Oh Cindy
  type: MusicAlbum
  date published: 2022-01-06