Pearl Chertok
type: MusicGroup
description: Pearl Chertok (June 18, 1918, in Laconia, New Hampshire – August 1, 1981 in White Plains, New York) was an internationally regarded harpist and composer for harp.American Harp Journal, Vol. 8, no. 2,
popularity: 8
followers: 86
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-20T10:56:20Z
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album: American Harp
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  date published: 2011-11-01
track: Around the Clock Suite: Ten Past Two
track: Around the Clock Suite: Beige nocturne
track: Around the cCock Suite: Harpicide ai midnight
track: Around the Clock Suite: The Morning After

Around the Clock Suite: Ten Past Two
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duration: PT2M25S
duration ms: 145160
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by artist: Pearl Chertok
by artist: Emanuela Degli Esposti
in album: Pedal Harp
  type: MusicAlbum
  date published: 2003-07-31
isrc code: ITK391009913
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additional property: OTSTimestamp
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bf8bb03ee86c15345529da8f1a6252b9dbcf89638341fdbc29f97821b48cc90. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/ITK391009913.
  date published: 2026-07-06T06:56:49Z
audio: Around the Clock Suite: Ten Past Two
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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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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Around the Clock Suite: Beige nocturne
type: MusicRecording
duration: PT2M6S
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explicit: false
by artist: Pearl Chertok
by artist: Emanuela Degli Esposti
in album: Pedal Harp
  type: MusicAlbum
  date published: 2003-07-31
isrc code: ITK391009914
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Around the Clock Suite: Beige nocturne
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Around the cCock Suite: Harpicide ai midnight
type: MusicRecording
duration: PT1M53S
duration ms: 113853
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by artist: Pearl Chertok
by artist: Emanuela Degli Esposti
in album: Pedal Harp
  type: MusicAlbum
  date published: 2003-07-31
isrc code: ITK391009915
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additional property: OTSTimestamp
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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: 2026-07-02T03:55:08Z
audio: Around the cCock Suite: Harpicide ai midnight
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Around the Clock Suite: The Morning After
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duration: PT3M29S
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by artist: Pearl Chertok
by artist: Emanuela Degli Esposti
in album: Pedal Harp
  type: MusicAlbum
  date published: 2003-07-31
isrc code: ITK391009916
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additional property: OTSTimestamp
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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
additional property: ProofProfileEvidenceStatus
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  date published: 2026-07-02T11:38:34Z
audio: Around the Clock Suite: The Morning After
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