Siegfried Lorenz
type: MusicGroup
genre: opera
description: Siegfried Lorenz can refer to: Siegfried Lorenz (athlete) (born 1933), German hammer thrower Siegfried Lorenz (baritone) (1945–2024), German singer Siegfried Lorenz (politician) (born 1930), Germa
popularity: 15
followers: 192
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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 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
subject of: OpenTimestamps Proof of Existence
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album: Klassische Weihnachtskonzerte der grossen Meister
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  date published: 1996
track: Die erste Walpurgisnacht, Op. 60: So weit gebracht, dass wir bei Nacht (Baritone, Chorus)
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  by artist: Felix Mendelssohn
  by artist: MDR Leipzig Radio Chorus
  by artist: Kurt Masur
  by artist: Leipzig Gewandhaus Orchestra
  by artist: Siegfried Lorenz
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    type: MusicAlbum
    date published: 1974
  popularity: 2
  genre: classical
  genre: early-romantic-era
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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
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Die erste Walpurgisnacht, Op. 60: Wer Opfer heut' zu bringen scheut (Baritone, Chorus)
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    type: MusicAlbum
    date published: 1974
  popularity: 1
  genre: classical
  genre: early-romantic-era
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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
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Die erste Walpurgisnacht, Op. 60: Die Flamme reinigt sich vom Rauch (Baritone, Chorus)
track: Wolfgang Amadeus Mozart: Schatten ung licht: Chapter 2: Salzburgs Glanz und Wolfgangs Gloria (1765-1769)

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Die erste Walpurgisnacht, Op. 60: Die Flamme reinigt sich vom Rauch (Baritone, Chorus)
type: MusicRecording
duration: PT2M17S
duration ms: 137773
explicit: false
by artist: Felix Mendelssohn
by artist: MDR Leipzig Radio Chorus
by artist: Kurt Masur
by artist: Leipzig Gewandhaus Orchestra
by artist: Siegfried Lorenz
in album: Mendelssohn Bartholdy: Die Erste Walpurgisnacht / Infelice / Ouverture zum Marchen von der schonen Melusine
  type: MusicAlbum
  date published: 1974
popularity: 1
genre: classical
genre: early-romantic-era
genre: german-romanticism
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Die erste Walpurgisnacht, Op. 60: Die Flamme reinigt sich vom Rauch (Baritone, Chorus)
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Wolfgang Amadeus Mozart: Schatten ung licht: Chapter 2: Salzburgs Glanz und Wolfgangs Gloria (1765-1769)
type: MusicRecording
duration: PT23M34S
duration ms: 1414840
explicit: false
by artist: Jörg Handstein
by artist: Udo Wachtveitl
by artist: Andreas Borcherding
by artist: Anna Greiter
by artist: Hans Jurgen Stockerl
by artist: Christian Baumann
by artist: Katja Schild
by artist: Beate Himmelstoß
by artist: Vienna Chamber Orchestra
by artist: Pieter-Jan Belder
by artist: Orpheus Chamber Orchestra
by artist: Elfie Hobarth
by artist: Aldo Baldin
by artist: Stuttgart Radio Symphony Orchestra
by artist: Südwestdeutsches Kammerorchester Pforzheim
by artist: Chamber Choir Of Europe
by artist: Carl Philipp Emanuel Bach Chamber Orchestra
by artist: Hans Peter Blochwitz
by artist: Siegfried Lorenz
by artist: György Fischer
by artist: Sir Neville Marriner
by artist: Nicol Matt
by artist: Peter Schreier
in album: Mozart: Schatten und Licht
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  date published: 2015-02-03
popularity: 1
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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