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genre: opera
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subject of: OpenTimestamps Proof of Existence
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album: Peter Schreier: Best Recordings of All Time
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album: Wagner: Lohengrin, WWV 75 (Live)
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album: Strauss: Der Rosenkavalier (Mono Version)
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album: Wagner: Parsifal (Recorded 1959)
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album: Mozart 111 Vol. 2
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  track: Rondo in D Major, K. 485
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  track: Euryanthe, Act I: No. 2. Romanze "Unter blüh'nden Mandelbäumen" (Adolar)
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      date published: 2026-07-08T03:39:04Z
    audio: Euryanthe, Act I: No. 2. Romanze "Unter blüh'nden Mandelbäumen" (Adolar)
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  track: Euryanthe, Act II: No. 10. Szene und Arie "Wo berg' ich mich?" - "Schweigt, glüh'nden Sehnens wilde Triebe" (Lysiart)
  track: Euryanthe, Act I: No. 9. Finale "Fröhliche Klänge, Tänze, Gesänge" (Euryanthe, Chor, Eglantine, Rudolf, Lysiart)
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album: Discover the Great Opera Works
album: Paul Dessau Edition
album: Eugen D'Albert: Tiefland
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album: Flute and String Orchestra Arrangements - Brahms, J. / Porumbescu, C. / Enescu, G. / Doppler, F. / Bartok , B.
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album: Strauss, Lehár, Suppé, Kálmán & Millöcker: Operetta Melodies
album: Lortzing: Der Waffenschmied
album: Orff: Die Kluge
album: Offenbach: Salon Pitzelberger (M. Choufleuri restera chez lui le...)
album: Puccini: Turandot (Highlights - Sung in German)
album: Bizet: Carmen
album: Smetana: The Bartered Bride (Sung in German)
album: Nova: Dessau: Einstein
album: Smetana: The Bartered Bride (Highlights - Sung in German)
album: Smetana: Die verkaufte Braut (Highlights - Sung in German)
album: Rossini: Der Barbier von Sevilla (Highlights)
album: Georges Bizet: Carmen (Sung in German) [Opera][Cervena, Apreck, Leipzig Radio Symphony Orchestra, Kegel]
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album: Mozart, W.A.: The Abduction from the Seraglio
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album: Wagner: Die Meistersinger von Nürnberg
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Euryanthe, Act I: No. 9. Finale "Fröhliche Klänge, Tänze, Gesänge" (Euryanthe, Chor, Eglantine, Rudolf, Lysiart)
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by artist: Carl Maria von Weber
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by artist: Jessye Norman
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by artist: Harald Neukirch
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popularity: 2
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T18:48:12Z
audio: Euryanthe, Act I: No. 9. Finale "Fröhliche Klänge, Tänze, Gesänge" (Euryanthe, Chor, Eglantine, Rudolf, Lysiart)
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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

Meyerbeer: Les Huguenots: Des beaux jours de la jeunesse - Act One
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  date published: 2026-07-31T04:14:58Z
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Meyerbeer: Les Huguenots: Sous le beau ciel de la Touraine - Act One
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by artist: Jaroslav Stanic
by artist: Kurt Equiluz
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by artist: Ewald Aichberger
by artist: Radio Austria Chorus
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Meyerbeer: Les Huguenots: Trop de merite aussi - Act One
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by artist: Radio Austria Chorus
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by artist: Nicolai Gedda
by artist: Jaroslav Stanic
by artist: Kurt Equiluz
by artist: Harald Neukirch
by artist: Ewald Aichberger
by artist: Ernst Märzendorfer
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Die Entführung aus dem Serail, K.384 / Act 1: "Marsch! Trollt euch fort!"
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Die Entführung aus dem Serail, K.384 / Act 3: "Nie werd' ich deine Huld verkennen" - "Bassa Selim lebe lange"
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Die Entführung aus dem Serail, K.384 / Act 1: "Solche hergelaufne Laffen" - "Was bist du nur für ein Mensch!" - "Erst geköpft, dann gehangen"
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Die Entführung aus dem Serail, K.384 / Act 2: "Vivat Bacchus! Bacchus lebe!"
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Euryanthe, Act II: No. 10. Szene und Arie "Wo berg' ich mich?" - "Schweigt, glüh'nden Sehnens wilde Triebe" (Lysiart)
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Operettenhighlights
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Discover the Great Opera Works
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Paul Dessau Edition
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d'Albert: Tiefland
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Oriental Sounds in Classical Music
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Flute and String Orchestra Arrangements - Brahms, J. / Porumbescu, C. / Enescu, G. / Doppler, F. / Bartok , B.
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Lehár: Die lustige Witwe (Highlights)
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Strauss, Lehár, Suppé, Kálmán & Millöcker: Operetta Melodies
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Lortzing: Der Waffenschmied
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Orff: Die Kluge
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Nova: Dessau: Einstein
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Georges Bizet: Carmen (Sung in German) [Opera][Cervena, Apreck, Leipzig Radio Symphony Orchestra, Kegel]
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track: Meyerbeer: Les Huguenots: Des beaux jours de la jeunesse - Act One
track: Meyerbeer: Les Huguenots: Sous le beau ciel de la Touraine - Act One
track: Meyerbeer: Les Huguenots: Trop de merite aussi - Act One

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value: 2026-06-08T20:52:25+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x34e8404f5fb73e65bf6afd0dce76686a904c0430712bab0d490a567bd23ad2f0

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 953528

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/953528

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US89R0695454

OTSTimestamp
type: PropertyValue
value: 2026-06-13T15:41:10Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34e8404f5fb73e65bf6afd0dce76686a904c0430712bab0d490a567bd23ad2f0. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US89R0695454.
date published: 2026-06-13T15:41:10Z

Meyerbeer: Les Huguenots: Et maintenant je dois offrir - Act Two
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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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  value: 5
additional property: Danceability
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  value: 0.289
additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
  type: PropertyValue
  value: 0.896
additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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  value: 0.231
additional property: Loudness (dB)
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additional property: Key Name
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  value: C#
additional property: Mode Name
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Mozart, W.A.: The Abduction from the Seraglio
type: MusicAlbum
date published: 1974-01-01
track: Die Entführung aus dem Serail, K.384 / Act 2: "Welche Wonne, welche Lust"
  type: MusicRecording
  duration: PT2M39S
  duration ms: 159000
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Reri Grist
  by artist: Staatskapelle Dresden
  by artist: Karl Böhm
  in album: Mozart, W.A.: The Abduction from the Seraglio
    type: MusicAlbum
    date published: 1974-01-01
  genre: classical
  genre: classical-era
  isrc code: DEF057330308
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-07-07T17:06:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x56b426413463a0fa5839a76a6f20b14c23c187b441f8328f2705f4458bd80094
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  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/DEF057330308
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56b426413463a0fa5839a76a6f20b14c23c187b441f8328f2705f4458bd80094. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330308.
    date published: 2026-07-08T03:53:27Z
  audio: Die Entführung aus dem Serail, K.384 / Act 2: "Welche Wonne, welche Lust"
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    additional property: Tempo (BPM)
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      value: 138.071
    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.578
    additional property: Energy
      type: PropertyValue
      value: 0.242
    additional property: Speechiness
      type: PropertyValue
      value: 0.051
    additional property: Acousticness
      type: PropertyValue
      value: 0.965
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.213
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.513
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.692
    additional property: Key Name
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      value: D
    additional property: Mode Name
      type: PropertyValue
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track: Die Entführung aus dem Serail, K.384 / Act 1: Fort ist er
  type: MusicRecording
  duration: PT1M2S
  duration ms: 62333
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Wolfgang Dehler
  by artist: Kurt Hachlicki
  in album: Mozart, W.A.: The Abduction from the Seraglio
    type: MusicAlbum
    date published: 1974-01-01
  genre: classical
  genre: classical-era
  isrc code: DEF057330319
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T13:14:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xabf46b116daea46c12e670180a8921f22ffec019d9574dcbc13fbc8fddc92636
  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/DEF057330319
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabf46b116daea46c12e670180a8921f22ffec019d9574dcbc13fbc8fddc92636. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330319.
    date published: 2026-07-08T03:20:19Z
  audio: Die Entführung aus dem Serail, K.384 / Act 1: Fort ist er
    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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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
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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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    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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track: Die Entführung aus dem Serail, K.384 / Act 1: Geh nur, verwünschter Kerl
  type: MusicRecording
  duration: PT2M1S
  duration ms: 121173
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Kurt Hachlicki
  by artist: Hans Jörn Weber
  in album: Mozart, W.A.: The Abduction from the Seraglio
    type: MusicAlbum
    date published: 1974-01-01
  genre: classical
  genre: classical-era
  isrc code: DEF057330320
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T17:18:45+00:00
  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: Die Entführung aus dem Serail, K.384 / Act 1: Geh nur, verwünschter Kerl
track: Die Entführung aus dem Serail, K.384 / Act 1: "Singt dem großen Bassa Lieder"
track: Die Entführung aus dem Serail, K.384 / Act 1: "Ach ich liebte, war so glücklich"
track: Die Entführung aus dem Serail, K.384 / Act 1: "Marsch! Trollt euch fort!"
track: Die Entführung aus dem Serail, K.384 / Act 2: "Durch Zärtlichkeit und Schmeicheln"
track: Die Entführung aus dem Serail, K.384 / Act 2: "Ich gehe, doch rate ich dir"
track: Die Entführung aus dem Serail, K.384 / Act 3: "Nie werd' ich deine Huld verkennen" - "Bassa Selim lebe lange"
track: Die Entführung aus dem Serail, K.384 / Act 2: "Martern aller Arten"
track: Die Entführung aus dem Serail, K.384 / Act 1: "Solche hergelaufne Laffen" - "Was bist du nur für ein Mensch!" - "Erst geköpft, dann gehangen"
track: Die Entführung aus dem Serail, K.384 / Act 2: "Vivat Bacchus! Bacchus lebe!"

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0xdb44945af2c904fcb016b2b1385d1e70acb8dfeae38c29c53dcb2eb95193d6de

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957124

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957124

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330320

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:53:27Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb44945af2c904fcb016b2b1385d1e70acb8dfeae38c29c53dcb2eb95193d6de. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330320.
date published: 2026-07-08T03:53:27Z

Die Entführung aus dem Serail, K.384 / Act 1: Geh nur, verwünschter Kerl
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 109.455
additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
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  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.628
additional property: Energy
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  value: 0.29
additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.454
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.488
additional property: Loudness (dB)
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  value: -28.847
additional property: Key Name
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  value: C#
additional property: Mode Name
  type: PropertyValue
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Die Entführung aus dem Serail, K.384 / Act 1: "Singt dem großen Bassa Lieder"
type: MusicRecording
duration: PT1M39S
duration ms: 99133
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Staatskapelle Dresden
by artist: Karl Böhm
by artist: MDR Leipzig Radio Chorus
in album: Mozart, W.A.: The Abduction from the Seraglio
  type: MusicAlbum
  date published: 1974-01-01
genre: classical
genre: classical-era
isrc code: DEF057330322
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:11:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1e26b83721ba86cfed0b14376b5bbe4ea4d69888a8450668566232d6cd7c709b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957046
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957046
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330322
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:04:01Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e26b83721ba86cfed0b14376b5bbe4ea4d69888a8450668566232d6cd7c709b. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330322.
  date published: 2026-07-07T14:04:01Z
audio: Die Entführung aus dem Serail, K.384 / Act 1: "Singt dem großen Bassa Lieder"
  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
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  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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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Entführung aus dem Serail, K.384 / Act 1: "Ach ich liebte, war so glücklich"
type: MusicRecording
duration: PT5M35S
duration ms: 335826
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Arleen Auger
by artist: Staatskapelle Dresden
by artist: Karl Böhm
in album: Mozart, W.A.: The Abduction from the Seraglio
  type: MusicAlbum
  date published: 1974-01-01
genre: classical
genre: classical-era
isrc code: DEF057330305
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:25:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x13abe0be0057c54edc3c5c43e2da82bfbeff9f80e7bb0153fb5f2218a90a42a5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
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/DEF057330305
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13abe0be0057c54edc3c5c43e2da82bfbeff9f80e7bb0153fb5f2218a90a42a5. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330305.
  date published: 2026-07-08T03:53:27Z
audio: Die Entführung aus dem Serail, K.384 / Act 1: "Ach ich liebte, war so glücklich"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.935
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.273
  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.473
  additional property: Liveness
    type: PropertyValue
    value: 0.15
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.151
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.913
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Die Entführung aus dem Serail, K.384 / Act 2: "Durch Zärtlichkeit und Schmeicheln"
type: MusicRecording
duration: PT3M15S
duration ms: 195826
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Reri Grist
by artist: Staatskapelle Dresden
by artist: Karl Böhm
in album: Mozart, W.A.: The Abduction from the Seraglio
  type: MusicAlbum
  date published: 1974-01-01
genre: classical
genre: classical-era
isrc code: DEF057330327
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:10:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x804cad61da55d18a2c9ecb424738bb3dabbf872c9c2fd925eb7f4bb454a1b31e
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957819
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057330327
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T16:57:28Z
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
subject of: OpenTimestamps Proof of Existence
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Wagner: Parsifal (1960)
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Wagner: Die Meistersinger von Nürnberg
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Strauss: Der Rosenkavalier (Stereo Version)
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