Hildegarde
type: MusicGroup
description: Hildegarde Loretta Sell, known as Hildegarde (February 1, 1906 – July 29, 2005) was an American cabaret entertainer, singer and piano player. At the peak of her career, Hildegarde was popular for her
popularity: 7
followers: 523
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-16T20:07:57Z
album: Song Hits by Rodgers and Hart
  type: MusicAlbum
  date published: 1939-01-01
album: Noel Coward Songs
  type: MusicAlbum
  date published: 1939-01-01
album: Songs by Vernon Duke
  type: MusicAlbum
  date published: 1940-01-01
album: Selections from "By Jupiter"
  type: MusicAlbum
  date published: 1942-01-01
album: What I Did for Love
  type: MusicAlbum
  date published: 1976-01-27
album: Hildegarde Sings "The Incomparable Hildegarde"
  type: MusicAlbum
  date published: 2000-01-01
album: Hildegarde - Gold
  type: MusicAlbum
  date published: 2005-09-15
album: Hildegarde - Gold
  type: MusicAlbum
  date published: 2005-09-15
album: On the Air
  type: MusicAlbum
  date published: 2010-11-01
album: Isn't It Romantic
  type: MusicAlbum
  date published: 2010-12-01
album: Life Begins When You're In Love
  type: MusicAlbum
  date published: 2012-03-07
album: On the Air
  type: MusicAlbum
  date published: 2012-05-31
album: The 1964 Unreleased Session
  type: MusicAlbum
  date published: 2012-08-01
album: The Best Of
  type: MusicAlbum
  date published: 2012-11-01
album: Remember
  type: MusicAlbum
  date published: 2015-05-21
album: The Incomparable Hildegarde
  type: MusicAlbum
  date published: 2015-09-02
album: The Best Of
  type: MusicAlbum
  date published: 2016-07-06
  track: Darling, Je Vous Aime Beaucoup
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    in album: The Best Of
      type: MusicAlbum
      date published: 2016-07-06
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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
    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ad555aa893391b7396668809b6a7ca0d5028df3b5d480d5d44956e89d824856. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/QM6XS1600236.
      date published: 2026-07-18T12:14:37Z
    audio: Darling, Je Vous Aime Beaucoup
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  track: Isn't It a Lovely Day?
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    by artist: Hildegarde
    in album: The Best Of
      type: MusicAlbum
      date published: 2016-07-06
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    subject of: OpenTimestamps Proof of Existence
    audio: Isn't It a Lovely Day?
album: New Songs by the Incomparable Hildegarde
album: Let's Face It (From the Musical ''Let's Face It'')
album: Lady in the Dark (From the Musical ''Lady in the Dark'')

OTSTimestamp
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value: 2026-07-05T19:27:56Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x577129010fdd7cf97a74b303938feceb9ff4048e1a3e80c94b7e2bec48e1c514. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QM6XS1600260.
date published: 2026-07-05T19:27:56Z

Isn't It a Lovely Day?
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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  value: 0.395
additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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  value: 0.939
additional property: Instrumentalness
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  value: 0.001
additional property: Liveness
  type: PropertyValue
  value: 0.134
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.383
additional property: Loudness (dB)
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New Songs by the Incomparable Hildegarde
type: MusicAlbum
date published: 2018-07-13

Let's Face It (From the Musical ''Let's Face It'')
type: MusicAlbum
date published: 2020-07-20

Lady in the Dark (From the Musical ''Lady in the Dark'')
type: MusicAlbum
date published: 2020-07-20