Constance Hauman
type: MusicGroup
genre: avant-garde
genre: funk rock
description: Constance Hauman (born 1961) is a soprano. She attended Northwestern University. Constance Hauman performed the title role in the live recording of Alban Berg's Lulu (Chandos) made in Copenhagen in 19
popularity: 7
followers: 6513
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additional property: OTSVerificationAPI
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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 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: 2026-06-21T07:29:20Z
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  date published: 2025-09-19
track: Lost Highway (2002/03): Scene 1.1
  type: MusicRecording
  duration: PT9M53S
  duration ms: 593600
  explicit: false
  by artist: Olga Neuwirth
  by artist: Constance Hauman
  by artist: Johannes Kalitzke
  by artist: Klangforum Wien
  by artist: Vincent Crowly
  in album: Olga Neuwirth: Lost Highway
    type: MusicAlbum
    date published: 2006-07-01
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
  audio: Lost Highway (2002/03): Scene 1.1
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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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      value: C
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