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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-21T04:36:58Z
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track: Die Zauberflöte, K. 620, Act I: Dialogue. Ha, ha, ha! - He, Sklaven!

Die Zauberflöte, K. 620, Act I: Dialogue. Ha, ha, ha! - He, Sklaven!
type: MusicRecording
duration: PT1M15S
duration ms: 75960
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Matthias Bernhold
by artist: Martin Olbertz
by artist: Tobias Beyer
by artist: Kurt Azesberger
in album: Mozart: Die Zauberflöte
  type: MusicAlbum
  date published: 2005-01-24
popularity: 15
genre: classical
genre: classical-era
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additional property: OTSTimestamp
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additional property: 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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Die Zauberflöte, K. 620, Act I: Dialogue. Ha, ha, ha! - He, Sklaven!
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