Franz Konwitschny
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genre: classical
description: Franz Konwitschny (14 August 1901, Fulnek, Moravia – 28 July 1962, Belgrade) was a German conductor and violist of Moravian descent. Biography Konwitschny came from a family of musicians. From 1920 t
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album: Franz Konwitschny conducts Richard Wagner
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  date published: 2023-04-14
album: Wagner: Orchestral Works (Remastered 2023) [Live]
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  date published: 2023-01-27
album: Wagner: Der Ring des Nibelungen & Other Opera Highlights (Remastered 2023) [Live]
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  date published: 2023-01-27
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  track: Die Walküre, WWV 86B: Ride of the Valkyries (Remastered 2023) - Live
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      date published: 2026-07-08T03:20:19Z
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  track: Die Walküre, WWV 86B: Magic Fire Music (Remastered 2023) - Live
album: 475 Jahre Sächsische Staatskapelle Dresden (Live)
album: Emil Gilels Edition (1933-1963) [Live]
album: Wagner: Götterdämmerung (Live)
album: Wagner: Siegfried (Recorded Live 1959)
album: The Blackest Bass: Gottlob Frick Portrait
album: Beethoven: Symphony No. 3 "Eroica" & Leonore Overture No. 3
album: Historical Bruckner Vol. IV
album: Schubert: Symphony No. 9 in C Major, D. 944 "The Great" (Remastered 2023)
album: Violin Masterpieces: Josef Suk Plays Beethoven & Mozart (2019 Remaster)
album: The Great Conductors: Franz Konwitschny Conducts Beethoven (Remastered 2018)
album: Brahms: Symphony No. 1, Op. 68
album: Bach: Concerto for 2 Violins in D Minor, BWV 1043 - Vivaldi: Concerto for 2 Violins in A Minor, RV 522
album: Richard Wagner : Die Walküre (London 1959)
album: Wagner: Ouvertures, Preludes & Orchestral Works
album: Franz Konwitschny with Gewandhausorchester Leipzig, Vol. 4 (Live)
album: Franz Konwitschny with Gewandhausorchester Leipzig, Vol. 10
album: Beethoven: Symphonies Nos. 1-9 & Other Works
album: Beethoven (Greatest Works)
album: Beethoven: Sinfonie No. 9 & 1
album: Beethoven: Violin Concerto David Oistrakh conducted by Franz Konwitschny (Live)
album: Wagner: The Flying Dutchman
album: Anton Bruckner Symphonies 8 & 9 conducted by Franz Konwitschny
album: Franz Konwitschny conducts Sinfonia domestica
album: Orchestral Highlights : Richard Wagner
album: Wilhelm Kempff plays Brahms and Mozart
album: Milestones of a Violin Legend: Igor Oistrach, Vol. 6
album: Milestones of a Violin Legend: Igor Oistrach, Vol. 2
album: More Piano Giants: Wilhelm Kempff, Vol. 9
album: Beethoven, Mozart & Strauss: Works for Orchestra
album: Franz Konwitschny with Gewandhausorchester Leipzig, Vol. 9
album: Franz Konwitschny with Gewandhausorchester Leipzig, Vol. 8
album: Franz Konwitschny with Gewandhausorchester Leipzig, Vol. 7
album: Franz Konwitschny with Gewandhausorchester Leipzig, Vol. 6
album: Franz Konwitschny with Gewandhausorchester Leipzig, Vol. 5
album: Franz Konwitschny with Gewandhausorchester Leipzig, Vol. 3
album: Franz Konwitschny with Gewandhausorchester Leipzig, Vol. 2
album: Franz Konwitschny with Gewandhausorchester Leipzig, Vol. 1
album: The Great Conductors: Franz Konwitschny Conducts Beethoven Ouvertures & Violin Concerto, Op. 61
album: The Great Conductors: Franz Konwitschny Conducts Anton Bruckner
album: Beethoven: Sinfonie No. 5
album: Schumann: Symphony No. 2 In C Major, Op. 61 - Symphony No. 4 In D Minor, Op. 120
track: Tannhäuser · Romantische Oper in 3 Akten (Dresdner Fassung), Dritter Akt (Tal vor der Wartburg): Wie Todesahnung - Oh du mein holder Abendstern (Wolfram)

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  date published: 2026-07-08T03:20:19Z
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Emil Gilels Edition (1933-1963) [Live]
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Wagner: Götterdämmerung (Live)
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Wagner: Siegfried (Recorded Live 1959)
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track: Die Entführung aus dem Serail, K. 384: Wer ein Liebchen hat gefunden
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Historical Bruckner Vol. IV
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Schubert: Symphony No. 9 in C Major, D. 944 "The Great" (Remastered 2023)
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Violin Masterpieces: Josef Suk Plays Beethoven & Mozart (2019 Remaster)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T17:29:52Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T06:42:11Z
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  subject of: OpenTimestamps Proof of Existence
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type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380022865

OTSTimestamp
type: PropertyValue
value: 2026-07-31T10:20:10Z

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 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
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83d5b5f405ba9953532d3132004900575dc23c3a2be61342760bad9088aecf8f. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380022865 — a six-check JSON result.
date published: 2026-07-31T10:20:10Z

Concerto for 2 Violins in A Minor, RV 522: I. Allegro
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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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)
  type: PropertyValue
  value: -15.268
additional property: Key Name
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additional property: Mode Name
  type: PropertyValue
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Richard Wagner : Die Walküre (London 1959)
type: MusicAlbum
date published: 2010-11-22

Wagner: Ouvertures, Preludes & Orchestral Works
type: MusicAlbum
date published: 2021-08-13
track: Die Meistersinger von Nürnberg, WWV 96: Ouverture
  type: MusicRecording
  duration: PT8M56S
  duration ms: 536756
  explicit: false
  by artist: Richard Wagner
  by artist: Franz Konwitschny
  by artist: The City of Prague Philharmonic Orchestra
  in album: Wagner: Ouvertures, Preludes & Orchestral Works
    type: MusicAlbum
    date published: 2021-08-13
  popularity: 1
  genre: classical
  genre: opera
  isrc code: DEL112101126
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T12:35:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x38e491add69aa073ca5cb66332500b7da2dd0432a2c02e53522894fda35658f3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEL112101126
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  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 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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38e491add69aa073ca5cb66332500b7da2dd0432a2c02e53522894fda35658f3. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEL112101126 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Die Meistersinger von Nürnberg, WWV 96: Ouverture
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 122.572
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.244
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.265
    additional property: Key Name
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track: Tannhäuser, WWV 70: Ouverture
  type: MusicRecording
  duration: PT14M12S
  duration ms: 852131
  explicit: false
  by artist: Richard Wagner
  by artist: Franz Konwitschny
  by artist: The City of Prague Philharmonic Orchestra
  in album: Wagner: Ouvertures, Preludes & Orchestral Works
    type: MusicAlbum
    date published: 2021-08-13
  popularity: 1
  genre: classical
  genre: opera
  isrc code: DEL112101127
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T19:03:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x42a44e4365d7a031bf8a282fae623166eabddec9a22a131d6ba5d44a2bea3c81
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEL112101127
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  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 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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42a44e4365d7a031bf8a282fae623166eabddec9a22a131d6ba5d44a2bea3c81. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEL112101127 — a six-check JSON result.
    date published: 2026-07-08T03:53:27Z
  audio: Tannhäuser, WWV 70: Ouverture
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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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)
      type: PropertyValue
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    additional property: Key Name
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    additional property: Mode Name
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track: Tristan und Isolde, WWV 90 (Excerpts): Act I Prelude
  type: MusicRecording
  duration: PT10M3S
  duration ms: 603670
  explicit: false
  by artist: Richard Wagner
  by artist: Franz Konwitschny
  by artist: The City of Prague Philharmonic Orchestra
  in album: Wagner: Ouvertures, Preludes & Orchestral Works
    type: MusicAlbum
    date published: 2021-08-13
  popularity: 1
  genre: classical
  genre: opera
  isrc code: DEL112101131
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Tristan und Isolde, WWV 90 (Excerpts): Act I Prelude
track: Siegfried-Idyll, WWV 103

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-31T05:19:21+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xf2ee46c2cec0549ab2192f15d1b353f7b15d6a4213b1c35efab65dd1e6e5af6e

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 960352

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960352

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEL112101131

OTSTimestamp
type: PropertyValue
value: 2026-07-31T05:48:30Z

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 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
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2ee46c2cec0549ab2192f15d1b353f7b15d6a4213b1c35efab65dd1e6e5af6e. Chain 2 (Bitcoin): anchored in block 960352 (2026-07-31T05:48:30Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEL112101131 — a six-check JSON result.
date published: 2026-07-31T05:48:30Z

Tristan und Isolde, WWV 90 (Excerpts): Act I Prelude
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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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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  value: -21.112
additional property: Key Name
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additional property: Mode Name
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Siegfried-Idyll, WWV 103
type: MusicRecording
duration: PT20M26S
duration ms: 1226127
explicit: false
by artist: Richard Wagner
by artist: Franz Konwitschny
by artist: The City of Prague Philharmonic Orchestra
in album: Wagner: Ouvertures, Preludes & Orchestral Works
  type: MusicAlbum
  date published: 2021-08-13
popularity: 1
genre: classical
genre: opera
isrc code: DEL112101133
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x78b725f4cdf379c863888f83719bb6014cb24cbb33846406c8e952f76b651658
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEL112101133
additional property: OTSTimestamp
  type: PropertyValue
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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 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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78b725f4cdf379c863888f83719bb6014cb24cbb33846406c8e952f76b651658. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEL112101133 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Siegfried-Idyll, WWV 103
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.126
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.485
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Franz Konwitschny with Gewandhausorchester Leipzig, Vol. 4 (Live)
type: MusicAlbum
date published: 2018-12-07

Franz Konwitschny with Gewandhausorchester Leipzig, Vol. 10
type: MusicAlbum
date published: 2018-12-07

Beethoven: Symphonies Nos. 1-9 & Other Works
type: MusicAlbum
date published: 2020-05-01

Beethoven (Greatest Works)
type: MusicAlbum
date published: 2010-01-20

Beethoven: Sinfonie No. 9 & 1
type: MusicAlbum
date published: 2021-08-06

Beethoven: Violin Concerto David Oistrakh conducted by Franz Konwitschny (Live)
type: MusicAlbum
date published: 2025-01-03

Wagner: The Flying Dutchman
type: MusicAlbum
date published: 2024-11-01
track: The Flying Dutchman: Ouvertüre - Remastered
  type: MusicRecording
  duration: PT11M32S
  duration ms: 692051
  explicit: false
  by artist: Richard Wagner
  by artist: Staatskapelle Berlin
  by artist: Franz Konwitschny
  in album: Wagner: The Flying Dutchman
    type: MusicAlbum
    date published: 2024-11-01
  genre: classical
  genre: opera
  isrc code: DES382152401
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xca11df4ec524b86925ecc21c6d4214aade39305577f32900a35c41205897e7c8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES382152401
  additional property: OTSTimestamp
    type: PropertyValue
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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 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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca11df4ec524b86925ecc21c6d4214aade39305577f32900a35c41205897e7c8. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES382152401 — a six-check JSON result.
    date published: 2026-07-31T17:29:52Z
  audio: The Flying Dutchman: Ouvertüre - Remastered
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: The Flying Dutchman: I. Aufzug: "Hejohe! Hallojo! Ho He! Ja!" - Remastered
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  duration: PT5M28S
  duration ms: 328831
  explicit: false
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  by artist: Staatskapelle Berlin
  by artist: Chor Der Staatsoper Berlin
  by artist: Franz Konwitschny
  by artist: Gottlob Frick
  by artist: Fritz Wunderlich
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    type: MusicAlbum
    date published: 2024-11-01
  genre: classical
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES382152402
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  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 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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Franz Konwitschny conducts Sinfonia domestica
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Orchestral Highlights : Richard Wagner
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Wilhelm Kempff plays Brahms and Mozart
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Milestones of a Violin Legend: Igor Oistrach, Vol. 6
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Milestones of a Violin Legend: Igor Oistrach, Vol. 2
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Franz Konwitschny with Gewandhausorchester Leipzig, Vol. 8
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Franz Konwitschny with Gewandhausorchester Leipzig, Vol. 7
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Franz Konwitschny with Gewandhausorchester Leipzig, Vol. 6
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Franz Konwitschny with Gewandhausorchester Leipzig, Vol. 3
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Franz Konwitschny with Gewandhausorchester Leipzig, Vol. 2
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Franz Konwitschny with Gewandhausorchester Leipzig, Vol. 1
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The Great Conductors: Franz Konwitschny Conducts Beethoven Ouvertures & Violin Concerto, Op. 61
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The Great Conductors: Franz Konwitschny Conducts Anton Bruckner
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Schumann: Symphony No. 2 In C Major, Op. 61 - Symphony No. 4 In D Minor, Op. 120
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Tannhäuser · Romantische Oper in 3 Akten (Dresdner Fassung), Dritter Akt (Tal vor der Wartburg): Wie Todesahnung - Oh du mein holder Abendstern (Wolfram)
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA340703103
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bf52980598027069e3493005177078107691c0515d812a78284512bc7430538. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA340703103 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Tannhäuser · Romantische Oper in 3 Akten (Dresdner Fassung), Dritter Akt (Tal vor der Wartburg): Wie Todesahnung - Oh du mein holder Abendstern (Wolfram)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.803
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.144
  additional property: Energy
    type: PropertyValue
    value: 0.013
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.892
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -36.456
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major