Sara Lazarus
type: MusicGroup
genre: french jazz
genre: vocal jazz
description: Sara Lazarus (born April 1, 1962) is an American jazz singer who lives in France. Music career Lazarus was born in Wilmington, Delaware and began piano lessons when she was eight. She was a member of
popularity: 23
followers: 2367
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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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  date published: 2026-06-12T19:24:56Z
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album: Give Me the Simple Life
  type: MusicAlbum
  date published: 2005
album: Give Me The Simple Life
  type: MusicAlbum
  date published: 2005
album: Give Me the Simple Life
  type: MusicAlbum
  date published: 2005-03-07
album: Give me the simple life
  type: MusicAlbum
  date published: 2005-03-07
album: Give Me the Simple Life
  type: MusicAlbum
  date published: 2005-05-24
album: It's All Right with Me
  type: MusicAlbum
  date published: 2006-11-13
  track: Dans mon île (with Biréli Lagrène Gipsy Project)
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    by artist: Sara Lazarus
    in album: It's All Right with Me
      type: MusicAlbum
      date published: 2006-11-13
    genre: french jazz
    genre: vocal jazz
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-04T11:19:20Z
    audio: Dans mon île (with Biréli Lagrène Gipsy Project)
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album: It's All Right with Me (feat. Biréli Lagrène Gipsy Project)
  type: MusicAlbum
  date published: 2006-11-13
album: It's all right with me
  type: MusicAlbum
  date published: 2006-11-13
album: It's All Right With Me
  type: MusicAlbum
  date published: 2007-03-27
track: Some of My Best Friends Are the Blues (feat. Bireli Lagrene)
track: Taking a Chance on Love
track: What a Little Moonlight Can Do

Some of My Best Friends Are the Blues (feat. Bireli Lagrene)
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duration: PT4M36S
duration ms: 276626
explicit: false
by artist: Sara Lazarus
by artist: Biréli Lagrène
in album: Cool Jazz 03 by Jazz Radio
  type: MusicAlbum
  date published: 2017-01-27
isrc code: FR71P0400120
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Some of My Best Friends Are the Blues (feat. Bireli Lagrene)
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Taking a Chance on Love
type: MusicRecording
duration: PT4M8S
duration ms: 248613
explicit: false
by artist: Sara Lazarus
in album: Jazz Divas: Les nouvelles voix féminines du jazz
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  date published: 2015-11-06
isrc code: FR14F0600470
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  date published: 2026-07-02T03:55:08Z
audio: Taking a Chance on Love
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What a Little Moonlight Can Do
type: MusicRecording
duration: PT3M31S
duration ms: 211720
explicit: false
by artist: Bireli Lagrene & Gipsy Project
by artist: Sara Lazarus
in album: New Jazz Divas
  type: MusicAlbum
  date published: 2016-03-18
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T04:47:22Z
audio: What a Little Moonlight Can Do
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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