Lithuanian Chamber Orchestra Vilnius
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-17T08:11:48Z
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track: Nocturne

Nocturne
type: MusicRecording
duration: PT5M13S
duration ms: 313986
explicit: false
by artist: Anatoli Brandukov
by artist: Jens Peter Maintz
by artist: Lithuanian Chamber Orchestra Vilnius
by artist: David Geringas
in album: Chilling Cello, Vol. 3
  type: MusicAlbum
  date published: 2018-03-23
isrc code: DEP620300394
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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: Nocturne
  type: AudioObject
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