Fritz Wunderlich
type: MusicGroup
genre: opera
description: Friedrich "Fritz" Karl Otto Wunderlich (26 September 1930 – 17 September 1966) was a German lyric tenor, famed for his singing of the Mozart repertoire and various lieder. Biography Wunderlich was bo
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followers: 16611
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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: Fritz Wunderlich: Greatest Tracks
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  date published: 2023-08-26
album: Schubert: Fierrabras, D. 796
  type: MusicAlbum
  date published: 2014-12-01
album: R. Strauss: Capriccio, Op. 85, TrV 279 (Excerpts) [Live]
  type: MusicAlbum
  date published: 2016-01-01
album: Handel: Giulio Cesare in Egitto, HWV 17 (Sung in German)
  type: MusicAlbum
  date published: 2016-01-01
album: Fall: Die Rose von Stambul
  type: MusicAlbum
  date published: 2014-12-05
album: Zeller: Der Vogelhändler
  type: MusicAlbum
  date published: 2014-09-29
album: Lehár: Das Land des Lächelns
  type: MusicAlbum
  date published: 2014-09-05
album: Donizetti: Don Pasquale (Live)
  type: MusicAlbum
  date published: 2020-02-14
album: Mozart: Die Entführung aus dem Serail, K. 384 (Live)
  type: MusicAlbum
  date published: 2014-09-01
album: Richard Strauss: Der Rosenkavalier, Op. 59, TrV 227 [Recorded 1961]
  type: MusicAlbum
  date published: 2014-08-01
album: Mozart: Entführung aus dem Serail - Highlights
  type: MusicAlbum
  date published: 1999-01-01
album: Fritz Wunderlich: Arias from the 20th Century (Live)
  type: MusicAlbum
  date published: 2019-06-14
album: Verdi: La traviata - Highlights (Sung in German)
  type: MusicAlbum
  date published: 1963-07-01
album: Egk: Furchtlosigkeit und Wohlwollen
  type: MusicAlbum
  date published: 2016-01-01
album: R. Strauss: Die schweigsame Frau, Op. 80, TrV 265
  type: MusicAlbum
  date published: 2024-04-05
album: Beethoven, Brahms, Schubert & Others: Lieder
  type: MusicAlbum
  date published: 2018-09-14
album: Classical Arias
  type: MusicAlbum
  date published: 2017-10-13
album: Handel: Serse, HWV 40 (Sung in German)
  type: MusicAlbum
  date published: 2022-11-18
album: Verdi: La traviata (Bayerische Staatsoper Live)
  type: MusicAlbum
  date published: 2016-01-01
album: The Legend
  type: MusicAlbum
  date published: 2018-05-04
album: Opera Classics
  type: MusicAlbum
  date published: 2010-05-01
album: Operetta Arias
  type: MusicAlbum
  date published: 2017-09-08
album: Romantische Arien
  type: MusicAlbum
  date published: 2017-06-09
album: Fritz Wunderlich: Musical Pearls
  type: MusicAlbum
  date published: 2005-01-01
album: Music Before Bach
  type: MusicAlbum
  date published: 2018-01-12
album: Wunderlich, Fritz: Legend (The) - Arias, Opera and Operetta Scenes and Songs
  type: MusicAlbum
  date published: 2007-01-01
album: Fritz Wunderlich - Der große deutsche Tenor
  type: MusicAlbum
  date published: 1990-10-02
album: Icon: Fritz Wunderlich
  type: MusicAlbum
  date published: 2010-08-09
album: Fritz Wunderlich - Die frühen Jahre
  type: MusicAlbum
  date published: 2005-09-23
album: Hits from the 50s
  type: MusicAlbum
  date published: 2017-02-10
album: Vocal Recital: Wunderlich, Fritz - Kaiser, E. / Georgy-Engelhardt, G. / Katt, M. / Hasenpflug, C. / Berner, H. / Kowalski, L. (1953-1956)
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  date published: 2009-05-26
album: Wunderlich populär
  type: MusicAlbum
  date published: 2007-01-01
album: Fritz Wunderlich - The 50 Greatest Tracks
  type: MusicAlbum
  date published: 2016-09-09
album: Lortzing: Der Wildschütz (Recorded 1958) [Live]
  type: MusicAlbum
  date published: 2014-07-01
album: Fritz Wunderlich sings
  type: MusicAlbum
  date published: 1991-01-01
album: Fritz Wunderlich: Die Tenor-Legende
  type: MusicAlbum
  date published: 2016-09-30
album: Le prince des ténors (Les indispensables de Diapason)
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album: Fritz Wunderlich
  type: MusicAlbum
  date published: 2016-11-04
album: Passion (Live)
  type: MusicAlbum
  date published: 2018-04-20
album: Portrait einer unsterblichen Stimme
  type: MusicAlbum
  date published: 2005-01-01
album: Egk: Columbus (Orfeo d'Or)
  type: MusicAlbum
  date published: 2016-01-01
album: Thomas: Mignon
  type: MusicAlbum
  date published: 2016-03-04
album: Wunderlich: Opernarien (Bayerischer Rundfunk 1961-1966) [Live]
  type: MusicAlbum
  date published: 2016-01-01
album: Fritz Wunderlich - The Christmas Album
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  date published: 2024-11-28
album: Funiculi Funicula
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  date published: 2024-04-09
album: O sole mio
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  date published: 2023-12-01
  track: Dies Bildnis ist bezaubernd schön
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    audio: Dies Bildnis ist bezaubernd schön
  track: Ach so fromm
  track: Granada
  track: Ich bin nur ein armer Wandergesell'
  track: Trinke, Liebchen (Glücklich ist, wer vergisst)
album: Cherubini: Der Wasserträger (Sung in German)
album: Mozart: Zaide, K. 344 (Fragment)
album: Arias & Scenes
album: Mozart Contemporaries
album: Festive Arias (Live)
album: Egk: Die Verlobung in San Domingo (Live)
album: Das Weihnachtsalbum
album: Mozart: Die Zauberflöte, K. 620
album: Fritz Wunderlich - Die Legende
album: Wunderlich: Opernarien & Duette
track: Die Zauberflöte, K. 620, Act I: No. 1, Zu Hilfe! Zu Hilfe!

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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

OpenTimestamps Proof of Existence
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date published: 2026-07-02T05:09:12Z

Dies Bildnis ist bezaubernd schön
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Ach so fromm
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Ach so fromm
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Granada
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Granada
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Ich bin nur ein armer Wandergesell'
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Ich bin nur ein armer Wandergesell'
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Trinke, Liebchen (Glücklich ist, wer vergisst)
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Cherubini: Der Wasserträger (Sung in German)
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date published: 2021-07-16

Mozart: Zaide, K. 344 (Fragment)
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date published: 2021-07-09

Arias & Scenes
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date published: 2021-05-14

Mozart Contemporaries
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date published: 2018-05-11

Hits from the 50s
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date published: 2017-02-10

Festive Arias (Live)
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date published: 2016-09-09

Handel: Serse, HWV 40 (Sung in German)
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date published: 2016-01-01

Egk: Die Verlobung in San Domingo (Live)
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date published: 2016-01-01

Das Weihnachtsalbum
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Mozart: Die Zauberflöte, K. 620
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Fritz Wunderlich - Die Legende
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Wunderlich: Opernarien & Duette
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Wunderlich, Fritz: Legend (The) - Arias, Opera and Operetta Scenes and Songs
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The Legend
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by artist: Hildegard Hillebrecht
by artist: Cvetka Ahlin
by artist: Sieglinde Wagner
by artist: Fritz Wunderlich
by artist: Berliner Philharmoniker
by artist: Karl Böhm
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