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  track: Elias, Op. 70: Teil II: Der Herr hat dich erhoben
  track: Elias, Op. 70: Teil I: Die Tiefe ist versieget
  track: Elias, Op. 70: Teil I: Herr höre unser Gebet
  track: Elias, Op. 70: Teil II: Es ist genug
  track: Elias, Op. 70: Teil I: So ihr mich von ganzem Herzen
  track: Elias, Op. 70: Teil I: Aber der Herr sieht es nicht
  track: Elias, Op. 70: Teil II: Hebe deine Augen auf
  track: Elias, Op. 70: Teil I: Elias, gehe weg von hinnen
  track: Elias, Op. 70: Teil I: Denn er hat seinen Engeln
  track: Elias, Op. 70: Teil II: Stehe auf, Elias
  track: Elias, Op. 70: Teil II: Wer bis an das Ende beharrt
  track: Elias, Op. 70: Teil I: Wohl dem, der den Herrn fürchtet
  track: Elias, Op. 70: Teil I: So wahr der Herr Zebaoth lebet
  track: Elias, Op. 70: Teil II: Der Herr ging vorüber
  track: Elias, Op. 70: Teil I: Rufet lauter! Denn er ist ja Gott!
  track: Elias, Op. 70: Teil I: Herr Gott Abrahams
  track: Elias, Op. 70: Teil I: Wirf dein Anliegen auf den Herrn
  track: Elias, Op. 70: Teil II: Aber einer erwacht von Mitternacht
  track: Elias, Op. 70: Teil II: Wohlan alle, die ihr durstig seid
  track: Elias, Op. 70: Teil I: So wahr der Herr
  track: Elias, Op. 70: Teil I: Was hast du mir getan
  track: Elias, Op. 70: Teil I: Der Du deine Diener machst zu Geistern
  track: Elias, Op. 70: Teil II: Du Mann Gottes
  track: Elias, Op. 70: Teil II: Herr, es wird Nacht um mich
  track: Elias, Op. 70: Teil II: Gehe wiederum hinab
  track: Elias, Op. 70: Teil II: Ja, es sollen wohl Berge weichen
  track: Elias, Op. 70: Teil I: Ist nicht des Herrn Wort wie ein Hammer
  track: Elias, Op. 70: Teil I: Hilf deinem Volk, du Mann Gottes
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Elias, Op. 70: Teil I: So wahr der Herr Zebaoth lebet
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  date published: 2026-07-07T14:41:13Z
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Elias, Op. 70: Teil I: Rufet lauter! Denn er ist ja Gott!
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  date published: 2026-07-06T06:56:49Z
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Elias, Op. 70: Teil I: Herr Gott Abrahams
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  date published: 2026-07-06T07:53:57Z
audio: Elias, Op. 70: Teil I: Herr Gott Abrahams
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Elias, Op. 70: Teil II: Wohlan alle, die ihr durstig seid
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Elias, Op. 70: Teil I: So wahr der Herr
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Elias, Op. 70: Teil I: Was hast du mir getan
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Elias, Op. 70: Teil I: Der Du deine Diener machst zu Geistern
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by artist: Balthasar-Neumann-Chor
in album: Mendelssohn: Elias, Op. 70
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popularity: 6
genre: classical
genre: early-romantic-era
genre: german-romanticism
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  date published: 2026-07-22T16:28:12Z
audio: Elias, Op. 70: Teil I: Der Du deine Diener machst zu Geistern
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Elias, Op. 70: Teil II: Du Mann Gottes
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explicit: false
by artist: Felix Mendelssohn
by artist: Thomas Hengelbrock
by artist: Balthasar-Neumann-Ensemble
by artist: Lothar Odinius
by artist: Michael Nagy
in album: Mendelssohn: Elias, Op. 70
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popularity: 4
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T07:48:45Z
audio: Elias, Op. 70: Teil II: Du Mann Gottes
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Elias, Op. 70: Teil II: Herr, es wird Nacht um mich
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duration: PT1M51S
duration ms: 111720
explicit: false
by artist: Felix Mendelssohn
by artist: Thomas Hengelbrock
by artist: Balthasar-Neumann-Ensemble
by artist: Michael Nagy
by artist: Genia Kühmeier
in album: Mendelssohn: Elias, Op. 70
  type: MusicAlbum
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popularity: 4
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T01:32:48Z
audio: Elias, Op. 70: Teil II: Herr, es wird Nacht um mich
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Elias, Op. 70: Teil II: Gehe wiederum hinab
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by artist: Thomas Hengelbrock
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by artist: Balthasar-Neumann-Chor
by artist: Michael Nagy
in album: Mendelssohn: Elias, Op. 70
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popularity: 5
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
audio: Elias, Op. 70: Teil II: Gehe wiederum hinab
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Elias, Op. 70: Teil II: Ja, es sollen wohl Berge weichen
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popularity: 4
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
audio: Elias, Op. 70: Teil II: Ja, es sollen wohl Berge weichen
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Elias, Op. 70: Teil I: Ist nicht des Herrn Wort wie ein Hammer
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by artist: Michael Nagy
in album: Mendelssohn: Elias, Op. 70
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popularity: 6
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T15:22:21Z
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Elias, Op. 70: Teil I: Hilf deinem Volk, du Mann Gottes
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in album: Mendelssohn: Elias, Op. 70
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popularity: 6
genre: classical
genre: early-romantic-era
genre: german-romanticism
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  date published: 2026-07-29T11:07:37Z
audio: Elias, Op. 70: Teil I: Hilf deinem Volk, du Mann Gottes
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additional property: OTSVerifyInstructions
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Schlaf, Kindlein, süße
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by artist: Juliane Ruf
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genre: opera
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  date published: 2026-07-29T13:09:35Z
audio: Schlaf, Kindlein, süße
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additional property: OTSVerifyInstructions
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Wer will fleißige Handwerker sehn
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duration: PT3M13S
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by artist: Michael Nagy
by artist: Juliane Ruf
in album: Kinderlieder Vol. 3 (LIEDERPROJEKT)
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popularity: 3
genre: opera
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  date published: 2026-07-31T12:24:41Z
audio: Wer will fleißige Handwerker sehn
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additional property: OTSVerifyInstructions
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St. Matthew Passion, BWV 244: Part I: Recitative: Der Heiland fallt vor seinem Vater nieder (Bass)
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duration: PT0M56S
duration ms: 56293
explicit: false
by artist: Johann Sebastian Bach
by artist: Michael Nagy
by artist: Concerto Köln
by artist: Peter Dijkstra
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popularity: 0
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T23:30:38Z
audio: St. Matthew Passion, BWV 244: Part I: Recitative: Der Heiland fallt vor seinem Vater nieder (Bass)
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additional property: OTSVerifyInstructions
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Die tote Stadt (The Dead City), Op. 12: Act III: Prelude
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duration ms: 165280
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
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  date published: 2011-09-06
genre: early-modern-classical
genre: classic-soundtrack
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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 tote Stadt (The Dead City), Op. 12: Act III: Prelude
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Die tote Stadt (The Dead City), Op. 12: Act I Scene 3: Nur deiner harr ich, niemals Verlorne! (Paul)
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duration: PT2M6S
duration ms: 126133
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
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genre: early-modern-classical
genre: classic-soundtrack
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  date published: 2026-07-07T13:25:45Z
audio: Die tote Stadt (The Dead City), Op. 12: Act I Scene 3: Nur deiner harr ich, niemals Verlorne! (Paul)
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Die tote Stadt (The Dead City), Op. 12: Act III Scene 1: Dich such ich, Bild! (Marietta, Children's Choir)
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duration: PT3M56S
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by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
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genre: early-modern-classical
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  date published: 2026-07-08T03:22:41Z
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Die tote Stadt (The Dead City), Op. 12: Act I Scene 4: Rosen, so ist's rechts! (Paul, Brigitta)
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duration ms: 94706
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by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
in album: Korngold: Die tote Stadt
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  date published: 2011-09-06
genre: early-modern-classical
genre: classic-soundtrack
isrc code: DEU921194804
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Die tote Stadt (The Dead City), Op. 12: Act I Scene 4: Rosen, so ist's rechts! (Paul, Brigitta)
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Die tote Stadt (The Dead City), Op. 12: Act I Scene 5: Wunderbar! (Paul, Marietta)
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duration: PT4M54S
duration ms: 294506
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
in album: Korngold: Die tote Stadt
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  date published: 2011-09-06
genre: early-modern-classical
genre: classic-soundtrack
isrc code: DEU921194805
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:50:38Z
audio: Die tote Stadt (The Dead City), Op. 12: Act I Scene 5: Wunderbar! (Paul, Marietta)
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Die tote Stadt (The Dead City), Op. 12: Act I Scene 5: Gluck, das mir verblieb (Marietta, Paul)
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duration: PT5M28S
duration ms: 328160
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
in album: Korngold: Die tote Stadt
  type: MusicAlbum
  date published: 2011-09-06
genre: early-modern-classical
genre: classic-soundtrack
isrc code: DEU921194806
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Die tote Stadt (The Dead City), Op. 12: Act I Scene 5: Gluck, das mir verblieb (Marietta, Paul)
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Die tote Stadt (The Dead City), Op. 12: Act III Scene 2: Und der Erste, der Lieb mich gelehrt (Marietta, Paul)
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duration: PT4M45S
duration ms: 285093
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
in album: Korngold: Die tote Stadt
  type: MusicAlbum
  date published: 2011-09-06
genre: early-modern-classical
genre: classic-soundtrack
isrc code: DEU921194822
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Die tote Stadt (The Dead City), Op. 12: Act III Scene 2: Und der Erste, der Lieb mich gelehrt (Marietta, Paul)
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Die tote Stadt (The Dead City), Op. 12: Act I Scene 6: Da bist du ja, Marie, ich wusste es (Paul, Marie)
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duration: PT8M24S
duration ms: 504520
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
in album: Korngold: Die tote Stadt
  type: MusicAlbum
  date published: 2011-09-06
genre: early-modern-classical
genre: classic-soundtrack
isrc code: DEU921194808
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Die tote Stadt (The Dead City), Op. 12: Act I Scene 6: Da bist du ja, Marie, ich wusste es (Paul, Marie)
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Die tote Stadt (The Dead City), Op. 12: Act III Scene 3: Die Tote, wo, lag sie nicht hier … (Paul, Brigitta, Marietta, Frank)
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duration: PT12M29S
duration ms: 749853
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
in album: Korngold: Die tote Stadt
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  date published: 2011-09-06
genre: early-modern-classical
genre: classic-soundtrack
isrc code: DEU921194824
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921194824
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T16:54:37+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957067
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-07T16:54:37+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x690189e427c9c2447607605e9f0a99784923f1fb9a27f7e91090c200ab0aed79. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/DEU921194824.
  date published: 2026-07-07T18:50:38Z
audio: Die tote Stadt (The Dead City), Op. 12: Act III Scene 3: Die Tote, wo, lag sie nicht hier … (Paul, Brigitta, Marietta, Frank)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.219
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.104
  additional property: Energy
    type: PropertyValue
    value: 0.334
  additional property: Speechiness
    type: PropertyValue
    value: 0.177
  additional property: Acousticness
    type: PropertyValue
    value: 0.781
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.198
  additional property: Liveness
    type: PropertyValue
    value: 0.943
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.088
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.424
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die tote Stadt (The Dead City), Op. 12: Act II Scene 2: Wohin!? … Frank, du? (Paul, Frank)
type: MusicRecording
duration: PT3M25S
duration ms: 205733
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
in album: Korngold: Die tote Stadt
  type: MusicAlbum
  date published: 2011-09-06
genre: early-modern-classical
genre: classic-soundtrack
isrc code: DEU921194811
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:08:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfdb2634e5b656e59dc4ebeb9388cd4ebe899db26bd62521b496cd1e8943cf451
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/DEU921194811
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdb2634e5b656e59dc4ebeb9388cd4ebe899db26bd62521b496cd1e8943cf451. 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/DEU921194811.
  date published: 2026-07-08T03:20:19Z
audio: Die tote Stadt (The Dead City), Op. 12: Act II Scene 2: Wohin!? … Frank, du? (Paul, Frank)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.532
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.311
  additional property: Energy
    type: PropertyValue
    value: 0.294
  additional property: Speechiness
    type: PropertyValue
    value: 0.073
  additional property: Acousticness
    type: PropertyValue
    value: 0.74
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.326
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.779
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die tote Stadt (The Dead City), Op. 12: Act II Scene 3: Schaume, tolles Tanzerblut (Julienne, Lucienne, Victorin, Graf Albert, Fritz, Marietta)
type: MusicRecording
duration: PT8M58S
duration ms: 538386
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
in album: Korngold: Die tote Stadt
  type: MusicAlbum
  date published: 2011-09-06
genre: early-modern-classical
genre: classic-soundtrack
isrc code: DEU921194812
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:03:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x52ca216c1162491e4f87aba0266da43f5627c39068da1694e862881e9e8bfe01
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/DEU921194812
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52ca216c1162491e4f87aba0266da43f5627c39068da1694e862881e9e8bfe01. 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/DEU921194812.
  date published: 2026-07-08T03:20:19Z
audio: Die tote Stadt (The Dead City), Op. 12: Act II Scene 3: Schaume, tolles Tanzerblut (Julienne, Lucienne, Victorin, Graf Albert, Fritz, Marietta)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.82
  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: 0.33
  additional property: Energy
    type: PropertyValue
    value: 0.267
  additional property: Speechiness
    type: PropertyValue
    value: 0.084
  additional property: Acousticness
    type: PropertyValue
    value: 0.894
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.144
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.914
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die tote Stadt (The Dead City), Op. 12: Act II Scene 3: Mein Sehnen, mein Wahnen (Fritz, Women's Choir)
type: MusicRecording
duration: PT3M58S
duration ms: 238933
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
in album: Korngold: Die tote Stadt
  type: MusicAlbum
  date published: 2011-09-06
genre: early-modern-classical
genre: classic-soundtrack
isrc code: DEU921194813
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T02:43:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd37ea7dd2062c3e8cc986cd1acd430a5506d85b190bea0140a1014860c1ed972
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921194813
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd37ea7dd2062c3e8cc986cd1acd430a5506d85b190bea0140a1014860c1ed972. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/DEU921194813.
  date published: 2026-07-02T11:34:59Z
audio: Die tote Stadt (The Dead City), Op. 12: Act II Scene 3: Mein Sehnen, mein Wahnen (Fritz, Women's Choir)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 164.657
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.147
  additional property: Energy
    type: PropertyValue
    value: 0.145
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.917
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.029
  additional property: Liveness
    type: PropertyValue
    value: 0.152
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.163
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.809
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die tote Stadt (The Dead City), Op. 12: Act II Scene 3: Bravo, guter Pierrot (Marietta, Julienne, Lucienne, Victorin, Graf Albert, Fritz)
type: MusicRecording
duration: PT2M44S
duration ms: 164093
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
in album: Korngold: Die tote Stadt
  type: MusicAlbum
  date published: 2011-09-06
genre: early-modern-classical
genre: classic-soundtrack
isrc code: DEU921194814
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:46:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf4911636b16487abb376eb3d33620f194eee0064a75ff3cd1d6717372f459532
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/DEU921194814
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4911636b16487abb376eb3d33620f194eee0064a75ff3cd1d6717372f459532. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DEU921194814.
  date published: 2026-07-08T03:22:41Z
audio: Die tote Stadt (The Dead City), Op. 12: Act II Scene 3: Bravo, guter Pierrot (Marietta, Julienne, Lucienne, Victorin, Graf Albert, Fritz)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.851
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.358
  additional property: Energy
    type: PropertyValue
    value: 0.316
  additional property: Speechiness
    type: PropertyValue
    value: 0.155
  additional property: Acousticness
    type: PropertyValue
    value: 0.916
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.685
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.195
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.369
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die tote Stadt (The Dead City), Op. 12: Act I: Prelude - Scene 1: Behutsam! (Brigitta, Frank)
type: MusicRecording
duration: PT7M14S
duration ms: 434773
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
in album: Korngold: Die tote Stadt
  type: MusicAlbum
  date published: 2011-09-06
genre: early-modern-classical
genre: classic-soundtrack
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c2cbd4558a7dfae3e98acc1c3be8c09a47fd5db2e99887e3aa12b5fc13b3196. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T19:55:31Z), 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/DEU921194801.
  date published: 2026-07-22T19:55:31Z
audio: Die tote Stadt (The Dead City), Op. 12: Act I: Prelude - Scene 1: Behutsam! (Brigitta, Frank)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.042
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.198
  additional property: Energy
    type: PropertyValue
    value: 0.174
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.904
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.723
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.058
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.183
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEU921194801
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 959159
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-22T17:48:40+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921194801
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959159
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959159
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T17:48:40+00:00
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

Die tote Stadt (The Dead City), Op. 12: Act II Scene 4: Du machst mir eine Szene? (Marietta, Paul)
type: MusicRecording
duration: PT12M21S
duration ms: 741480
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
in album: Korngold: Die tote Stadt
  type: MusicAlbum
  date published: 2011-09-06
genre: early-modern-classical
genre: classic-soundtrack
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6e21d40c271a9025e3dfa13a698bec4c8d6b161415ee320da0ee83631538c97. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/DEU921194816.
  date published: 2026-07-30T15:42:38Z
audio: Die tote Stadt (The Dead City), Op. 12: Act II Scene 4: Du machst mir eine Szene? (Marietta, Paul)
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  additional property: Musical Key
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  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
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    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEU921194816
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921194816
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960273
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T15:42:38+00:00
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

Die tote Stadt (The Dead City), Op. 12: Act I Scene 2: Frank! Freund! (Paul, Frank)
type: MusicRecording
duration: PT11M30S
duration ms: 690133
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
in album: Korngold: Die tote Stadt
  type: MusicAlbum
  date published: 2011-09-06
genre: early-modern-classical
genre: classic-soundtrack
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44ea65439cbd11b7513cae913b7a4dcd95771a67df765914e77e3d458113dd2d. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/DEU921194802.
  date published: 2026-07-29T19:35:34Z
audio: Die tote Stadt (The Dead City), Op. 12: Act I Scene 2: Frank! Freund! (Paul, Frank)
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 104.295
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.173
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.895
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.271
  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.877
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEU921194802
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960138
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921194802
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
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

Die tote Stadt (The Dead City), Op. 12: Act III Scene 2: Du hier? (Paul, Marietta)
type: MusicRecording
duration: PT3M19S
duration ms: 199880
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
in album: Korngold: Die tote Stadt
  type: MusicAlbum
  date published: 2011-09-06
genre: early-modern-classical
genre: classic-soundtrack
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa962c9b2701f547e0763e4c6e921eec2b3777cec12eef33ec1924e58de21db0b. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/DEU921194819.
  date published: 2026-07-30T09:57:33Z
audio: Die tote Stadt (The Dead City), Op. 12: Act III Scene 2: Du hier? (Paul, Marietta)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.302
  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: 0.303
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.071
  additional property: Acousticness
    type: PropertyValue
    value: 0.855
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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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
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEU921194819
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T09:57:33+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921194819
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960240
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960240
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:57:33+00:00
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

Die tote Stadt (The Dead City), Op. 12: Act III Scene 2: O susser Heiland mein (Choir, Children's Choir, Paul)
type: MusicRecording
duration: PT6M36S
duration ms: 396053
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
in album: Korngold: Die tote Stadt
  type: MusicAlbum
  date published: 2011-09-06
genre: early-modern-classical
genre: classic-soundtrack
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9704642f5ab067d26bba43a44c1722d4fb756c0f7f35b155491f926c8b060e1f. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/DEU921194820.
  date published: 2026-07-31T09:50:11Z
audio: Die tote Stadt (The Dead City), Op. 12: Act III Scene 2: O susser Heiland mein (Choir, Children's Choir, Paul)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.355
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.215
  additional property: Energy
    type: PropertyValue
    value: 0.237
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.026
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
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  additional property: Key Name
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    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEU921194820
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T09:50:11+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921194820
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960381
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960381
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T09:50:11+00:00
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

Die tote Stadt (The Dead City), Op. 12: Act III Scene 2: Du bist ja fromm! (Marietta, Paul)
type: MusicRecording
duration: PT2M58S
duration ms: 178173
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
in album: Korngold: Die tote Stadt
  type: MusicAlbum
  date published: 2011-09-06
genre: early-modern-classical
genre: classic-soundtrack
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d0c5b41caee430ef96064ddb7d99948472e3e1620265472de454b5c70ae1eea. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), 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/DEU921194821.
  date published: 2026-07-30T09:58:01Z
audio: Die tote Stadt (The Dead City), Op. 12: Act III Scene 2: Du bist ja fromm! (Marietta, Paul)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.399
  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: 0.275
  additional property: Energy
    type: PropertyValue
    value: 0.231
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.814
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.233
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.084
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.896
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEU921194821
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960241
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T09:58:01+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921194821
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960241
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960241
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:58:01+00:00
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

Die tote Stadt (The Dead City), Op. 12: Act I Scene 5: Das dumme Lied, es hat Sie ganz verzaubert (Marietta, Gaston, Juliette, Lucienne, Paul)
type: MusicRecording
duration: PT5M49S
duration ms: 349813
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
in album: Korngold: Die tote Stadt
  type: MusicAlbum
  date published: 2011-09-06
genre: early-modern-classical
genre: classic-soundtrack
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3887d01fbef834e16ca14305699f762981da9c611e096678d59bc64a865ac9e. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/DEU921194807.
  date published: 2026-07-30T03:35:13Z
audio: Die tote Stadt (The Dead City), Op. 12: Act I Scene 5: Das dumme Lied, es hat Sie ganz verzaubert (Marietta, Gaston, Juliette, Lucienne, Paul)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.294
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.303
  additional property: Energy
    type: PropertyValue
    value: 0.267
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.863
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.718
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.125
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.634
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: DEU921194807
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960203
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T03:35:13+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921194807
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960203
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960203
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T03:35:13+00:00
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

Die tote Stadt (The Dead City), Op. 12: Act III Scene 2: Bin ich nicht schon … (Marietta, Paul)
type: MusicRecording
duration: PT4M28S
duration ms: 268360
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
in album: Korngold: Die tote Stadt
  type: MusicAlbum
  date published: 2011-09-06
genre: early-modern-classical
genre: classic-soundtrack
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-30T21:00:46Z
audio: Die tote Stadt (The Dead City), Op. 12: Act III Scene 2: Bin ich nicht schon … (Marietta, Paul)
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additional property: OTSTimestamp
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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

Die tote Stadt (The Dead City), Op. 12: Act II: Prelude
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duration: PT0M56S
duration ms: 56520
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
in album: Korngold: Die tote Stadt
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genre: early-modern-classical
genre: classic-soundtrack
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T09:37:10Z
audio: Die tote Stadt (The Dead City), Op. 12: Act II: Prelude
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Die tote Stadt (The Dead City), Op. 12: Act II Scene 1: Was ward aus mir? (Paul, Brigitta)
type: MusicRecording
duration: PT6M26S
duration ms: 386133
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
in album: Korngold: Die tote Stadt
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genre: early-modern-classical
genre: classic-soundtrack
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T02:05:19Z
audio: Die tote Stadt (The Dead City), Op. 12: Act II Scene 1: Was ward aus mir? (Paul, Brigitta)
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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

Die tote Stadt (The Dead City), Op. 12: Act II Scene 3: Halt ein! Du eine auferstandne Tote?! (Paul, Marietta, Victorin, Graf Albert, Fritz)
type: MusicRecording
duration: PT3M53S
duration ms: 233960
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Klaus Florian Vogt
by artist: Tatiana Pavlovskaya
by artist: Michael Nagy
by artist: Hedwig Fassbender
by artist: Anna Ryberg
by artist: Jenny Carlstedt
by artist: Julian Prégardien
by artist: Hans-Jurgen Lazar
by artist: Frankfurt Opera Chorus
by artist: Frankfurt Opera Children's Chorus
by artist: Frankfurt Opera and Museum Orchestra
by artist: Sebastian Weigle
in album: Korngold: Die tote Stadt
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  date published: 2011-09-06
genre: early-modern-classical
genre: classic-soundtrack
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T18:46:00Z
audio: Die tote Stadt (The Dead City), Op. 12: Act II Scene 3: Halt ein! Du eine auferstandne Tote?! (Paul, Marietta, Victorin, Graf Albert, Fritz)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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La finta giardiniera, K. 196, Act I Scene 1: No. 1, Introduzione "Che lieto giorno" (Ramiro, Podestà, Sandrina, Nardo, Serpetta)
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duration: PT5M5S
duration ms: 305773
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Marie-Claude Chappuis
by artist: Nicolas Rivenq
by artist: Sophie Karthäuser
by artist: Michael Nagy
by artist: Sunhae Im
by artist: Freiburger Barockorchester
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  type: MusicAlbum
  date published: 2012-10-09
genre: classical
genre: classical-era
isrc code: FRZ141126020
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T01:26:17Z
audio: La finta giardiniera, K. 196, Act I Scene 1: No. 1, Introduzione "Che lieto giorno" (Ramiro, Podestà, Sandrina, Nardo, Serpetta)
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La finta giardiniera, K. 196, Act I Scene 1: Recitativo "Viva, viva il buon gusto" (Podestà, Ramiro, Serpetta, Nardo, Sandrina)
type: MusicRecording
duration: PT1M56S
duration ms: 116533
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Nicolas Rivenq
by artist: Marie-Claude Chappuis
by artist: Sunhae Im
by artist: Michael Nagy
by artist: Sophie Karthäuser
by artist: Freiburger Barockorchester
in album: Mozart: La finta giardiniera
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  date published: 2012-10-09
genre: classical
genre: classical-era
isrc code: FRZ141126030
additional property: CopyrightID
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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  date published: 2026-07-08T03:20:19Z
audio: La finta giardiniera, K. 196, Act I Scene 1: Recitativo "Viva, viva il buon gusto" (Podestà, Ramiro, Serpetta, Nardo, Sandrina)
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La finta giardiniera, K. 196, Act II Scene 4: No. 14, Aria "Con un vezzo all'italiana" (Nardo)
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duration: PT3M1S
duration ms: 181386
explicit: false
by artist: Wolfgang Amadeus Mozart
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by artist: Michael Nagy
by artist: Freiburger Barockorchester
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genre: classical
genre: classical-era
isrc code: FRZ141127040
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightChainExplorerURL
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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/FRZ141127040
additional property: OTSTimestamp
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  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x081197e62e5e83f2755dd43a76ea8c936b51e1d57d9e13736693f8dacb6d9fb0. 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/FRZ141127040.
  date published: 2026-07-08T03:53:27Z
audio: La finta giardiniera, K. 196, Act II Scene 4: No. 14, Aria "Con un vezzo all'italiana" (Nardo)
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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: 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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La finta giardiniera, K. 196, Act I Scene 2: Recitativo "Presto, Nardo" (Podestà, Serpetta, Nardo, Sandrina)
type: MusicRecording
duration: PT2M19S
duration ms: 139573
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Nicolas Rivenq
by artist: Sunhae Im
by artist: Michael Nagy
by artist: Sophie Karthäuser
by artist: Freiburger Barockorchester
in album: Mozart: La finta giardiniera
  type: MusicAlbum
  date published: 2012-10-09
genre: classical
genre: classical-era
isrc code: FRZ141126050
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x059e560b37b9b312093c9e81d7088bec1fac0ee5e944408cd23a1572a409aba0
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/FRZ141126050
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x059e560b37b9b312093c9e81d7088bec1fac0ee5e944408cd23a1572a409aba0. 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/FRZ141126050.
  date published: 2026-07-08T03:20:19Z
audio: La finta giardiniera, K. 196, Act I Scene 2: Recitativo "Presto, Nardo" (Podestà, Serpetta, Nardo, Sandrina)
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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
    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
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.35
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Major

La finta giardiniera, K. 196, Act I Scenes 4 - 5: Recitativo "Sarei felice appieno" (Ramiro) - "Io per me non capisco" (Nardo)
type: MusicRecording
duration: PT1M5S
duration ms: 65546
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Marie-Claude Chappuis
by artist: Michael Nagy
by artist: Freiburger Barockorchester
in album: Mozart: La finta giardiniera
  type: MusicAlbum
  date published: 2012-10-09
genre: classical
genre: classical-era
isrc code: FRZ141126090
additional property: CopyrightID
additional property: CopyrightStatus
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  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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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/FRZ141126090
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99dd27cb6cd9a59fe665f4c6fc381081a06e012973202809e8eadfbafbe85992. 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/FRZ141126090.
  date published: 2026-07-08T03:53:27Z
audio: La finta giardiniera, K. 196, Act I Scenes 4 - 5: Recitativo "Sarei felice appieno" (Ramiro) - "Io per me non capisco" (Nardo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.866
  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
    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
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.333
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.256
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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La finta giardiniera, K. 196, Act I Scene 5: No. 5, Aria "A forza di martelli" (Nardo)
type: MusicRecording
duration: PT3M18S
duration ms: 198786
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Michael Nagy
by artist: Freiburger Barockorchester
in album: Mozart: La finta giardiniera
  type: MusicAlbum
  date published: 2012-10-09
genre: classical
genre: classical-era
isrc code: FRZ141126100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:39:03+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x36db1b043b8a2b17ef968898f83981e6cb17c641278bbec6a9a9f59ec6ead5ab
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957061
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141126100
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T16:07:00Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957061
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-07T16:07:00+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36db1b043b8a2b17ef968898f83981e6cb17c641278bbec6a9a9f59ec6ead5ab. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/FRZ141126100.
  date published: 2026-07-07T16:07:00Z
audio: La finta giardiniera, K. 196, Act I Scene 5: No. 5, Aria "A forza di martelli" (Nardo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.757
  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
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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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    type: PropertyValue
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La finta giardiniera, K. 196, Act I Scene 9: Recitativo "Bravo, signor buffone" (Serpetta, Nardo)
type: MusicRecording
duration: PT1M17S
duration ms: 77760
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Sunhae Im
by artist: Michael Nagy
by artist: Freiburger Barockorchester
in album: Mozart: La finta giardiniera
  type: MusicAlbum
  date published: 2012-10-09
genre: classical
genre: classical-era
isrc code: FRZ141126190
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:19:13+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xb7bb3c30a96fb0eb1278f563ae55c23bacc7d02654fbbf4fa02a24b4387a3ba0
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/FRZ141126190
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7bb3c30a96fb0eb1278f563ae55c23bacc7d02654fbbf4fa02a24b4387a3ba0. 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/FRZ141126190.
  date published: 2026-07-08T03:20:19Z
audio: La finta giardiniera, K. 196, Act I Scene 9: Recitativo "Bravo, signor buffone" (Serpetta, Nardo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.984
  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
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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: 0.115
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.873
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.515
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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La finta giardiniera, K. 196, Act III Scenes 1 - 2: Recitativo "Sentimi, Nardo mio" (Serpetta, Nardo) - "Dovrò dunque languire..."(Nardo, Contino, Sandrina)
type: MusicRecording
duration: PT2M41S
duration ms: 161333
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Sunhae Im
by artist: Michael Nagy
by artist: Jeremy Ovenden
by artist: Sophie Karthäuser
by artist: Freiburger Barockorchester
in album: Mozart: La finta giardiniera
  type: MusicAlbum
  date published: 2012-10-09
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43c36d76e38a8e6135d8d32d7084caa03adedaa3ddb537dd3529a5bc13ba9978. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), 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/FRZ141128010.
  date published: 2026-07-31T16:33:26Z
audio: La finta giardiniera, K. 196, Act III Scenes 1 - 2: Recitativo "Sentimi, Nardo mio" (Serpetta, Nardo) - "Dovrò dunque languire..."(Nardo, Contino, Sandrina)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.796
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.446
  additional property: Energy
    type: PropertyValue
    value: 0.23
  additional property: Speechiness
    type: PropertyValue
    value: 0.5
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.544
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.217
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.86
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ141128010
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141128010
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960435
additional property: OTSTimestamp
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  value: 2026-07-31T16:33:26+00:00
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

La finta giardiniera, K. 196, Act III Scene 2: No. 24a, Aria "Mirate che contrasto" (Nardo) - No. 24b, Duetto "Da bravi seguitate" (Contino, Sandrina)
type: MusicRecording
duration: PT2M45S
duration ms: 165840
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Michael Nagy
by artist: Jeremy Ovenden
by artist: Sophie Karthäuser
by artist: Freiburger Barockorchester
in album: Mozart: La finta giardiniera
  type: MusicAlbum
  date published: 2012-10-09
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd95cfd9d2720f51efa72b7519c0cf8a85019756664a26a2bd7c0c054ecc0367. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), 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/FRZ141128020.
  date published: 2026-07-31T09:25:34Z
audio: La finta giardiniera, K. 196, Act III Scene 2: No. 24a, Aria "Mirate che contrasto" (Nardo) - No. 24b, Duetto "Da bravi seguitate" (Contino, Sandrina)
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additional property: OTSTimestamp
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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

La finta giardiniera, K. 196, Act II Scenes 3 & 4: Scene 3: Recitativo: "Ah costei non è donna" (Contino, Serpetta) - Scene 4: "Quanto lo compatisco" (Serpetta, Nardo)
type: MusicRecording
duration: PT2M47S
duration ms: 167920
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Jeremy Ovenden
by artist: Sunhae Im
by artist: Michael Nagy
by artist: Freiburger Barockorchester
in album: Mozart: La finta giardiniera
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  date published: 2012-10-09
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:57Z
audio: La finta giardiniera, K. 196, Act II Scenes 3 & 4: Scene 3: Recitativo: "Ah costei non è donna" (Contino, Serpetta) - Scene 4: "Quanto lo compatisco" (Serpetta, Nardo)
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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 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

La finta giardiniera, K. 196, Act I Scenes 3 - 4: Recitativo "Della nemica sorte" (Sandrina, Nardo) - "Gl'uomini s'han da amar" (Ramiro, Nardo, Sandrina)
type: MusicRecording
duration: PT3M12S
duration ms: 192173
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Sophie Karthäuser
by artist: Michael Nagy
by artist: Marie-Claude Chappuis
by artist: Freiburger Barockorchester
in album: Mozart: La finta giardiniera
  type: MusicAlbum
  date published: 2012-10-09
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x781aced4c636a61a40f8615e847d774cff60f010ddbcac216d06e86f26c026e2. Chain 2 (Bitcoin): anchored in block 960285 (2026-07-30T17:26:40Z), 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/FRZ141126070.
  date published: 2026-07-30T17:26:40Z
audio: La finta giardiniera, K. 196, Act I Scenes 3 - 4: Recitativo "Della nemica sorte" (Sandrina, Nardo) - "Gl'uomini s'han da amar" (Ramiro, Nardo, Sandrina)
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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 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

La finta giardiniera, K. 196, Act II Scenes 13 & 14: Scene 13: Recitativo: "Oh poveretto me!" (Nardo, Ramiro, Podestà, Serpetta) - Scene 14: "Va' pur, ma questa volta" (Serpetta, Nardo)
type: MusicRecording
duration: PT2M10S
duration ms: 130240
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Michael Nagy
by artist: Marie-Claude Chappuis
by artist: Nicolas Rivenq
by artist: Sunhae Im
by artist: Freiburger Barockorchester
in album: Mozart: La finta giardiniera
  type: MusicAlbum
  date published: 2012-10-09
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ba6802e69375c258d6d340fd2c02c74666f8d1e4c18e5ef4cdd2d7d04e189c2. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/FRZ141127150.
  date published: 2026-07-31T19:53:13Z
audio: La finta giardiniera, K. 196, Act II Scenes 13 & 14: Scene 13: Recitativo: "Oh poveretto me!" (Nardo, Ramiro, Podestà, Serpetta) - Scene 14: "Va' pur, ma questa volta" (Serpetta, Nardo)
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additional property: OTSBitcoinBlockVerifyURL
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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 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

La finta giardiniera, K. 196, Act I Scene 9: No. 9a, Cavatina "Un marito oh dio, vorrei" (Serpetta) - Recitativo "Come in questa canzone" (Nardo) - No. 9b, Cavatina "Un marito, oh dio, vorres
type: MusicRecording
duration: PT2M18S
duration ms: 138600
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Sunhae Im
by artist: Michael Nagy
by artist: Freiburger Barockorchester
in album: Mozart: La finta giardiniera
  type: MusicAlbum
  date published: 2012-10-09
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1151662913bf9fea4162824f38028fff785fec26def27a7950a4905f4243f86. Chain 2 (Bitcoin): anchored in block 960212 (2026-07-30T05:43:45Z), 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/FRZ141126180.
  date published: 2026-07-30T05:43:45Z
audio: La finta giardiniera, K. 196, Act I Scene 9: No. 9a, Cavatina "Un marito oh dio, vorrei" (Serpetta) - Recitativo "Come in questa canzone" (Nardo) - No. 9b, Cavatina "Un marito, oh dio, vorres
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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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 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

La finta giardiniera, K. 196, Act II Scene 16: No. 23, Setteto "Fra quest'ombre" (Contino, Nardo, Sandrina, Arminda)
type: MusicRecording
duration: PT3M50S
duration ms: 230946
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Jeremy Ovenden
by artist: Michael Nagy
by artist: Sophie Karthäuser
by artist: Alexandrina Pendatchanska
by artist: Freiburger Barockorchester
in album: Mozart: La finta giardiniera
  type: MusicAlbum
  date published: 2012-10-09
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40df083d6402c446aa70e13f0460111b486931915e3d07000155d84bde4cfec7. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141127190.
  date published: 2026-07-30T07:28:30Z
audio: La finta giardiniera, K. 196, Act II Scene 16: No. 23, Setteto "Fra quest'ombre" (Contino, Nardo, Sandrina, Arminda)
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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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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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 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

La finta giardiniera, K. 196, Act II Scene 16: "Qui fermate" (Ramiro, Podestà, Arminda, Contino, Serpetta, Nardo, Sandrina)
type: MusicRecording
duration: PT3M49S
duration ms: 229240
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Marie-Claude Chappuis
by artist: Nicolas Rivenq
by artist: Alexandrina Pendatchanska
by artist: Jeremy Ovenden
by artist: Sunhae Im
by artist: Michael Nagy
by artist: Sophie Karthäuser
in album: Mozart: La finta giardiniera
  type: MusicAlbum
  date published: 2012-10-09
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb107c8b245aac302f491918b2714618a3b0e64255c6e880e89ad7168e036f97. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/FRZ141127200.
  date published: 2026-07-30T17:23:26Z
audio: La finta giardiniera, K. 196, Act II Scene 16: "Qui fermate" (Ramiro, Podestà, Arminda, Contino, Serpetta, Nardo, Sandrina)
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  additional property: Tempo (BPM)
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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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    value: 0.612
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.356
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.064
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ141127200
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960284
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T17:23:26+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141127200
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960284
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960284
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T17:23:26+00:00
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

La finta giardiniera, K. 196, Act II Scene 16: "Mio Tirsi, deh senti" (Sandrina, Contino, Podestà, Ramiro, Arminda, Serpetta, Nardo)
type: MusicRecording
duration: PT5M54S
duration ms: 354503
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Sophie Karthäuser
by artist: Jeremy Ovenden
by artist: Nicolas Rivenq
by artist: Marie-Claude Chappuis
by artist: Alexandrina Pendatchanska
by artist: Sunhae Im
by artist: Michael Nagy
in album: Mozart: La finta giardiniera
  type: MusicAlbum
  date published: 2012-10-09
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x011c30a36e760fa70e762c512bea16a5d2b358a340db8f7b9a07eea7def25153. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/FRZ141127210.
  date published: 2026-07-30T09:57:33Z
audio: La finta giardiniera, K. 196, Act II Scene 16: "Mio Tirsi, deh senti" (Sandrina, Contino, Podestà, Ramiro, Arminda, Serpetta, Nardo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.284
  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: 0.394
  additional property: Energy
    type: PropertyValue
    value: 0.272
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.163
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.384
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.114
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ141127210
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960240
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T09:57:33+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141127210
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960240
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960240
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:57:33+00:00
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

La finta giardiniera, K. 196, Act I Scenes 13 - 14: "Che silenzio!" (Podestà, Sandrina, Contino, Arminda, Ramiro) - "Che tratto è questo" (Podestà, Serpetta, Nardo)
type: MusicRecording
duration: PT2M52S
duration ms: 172533
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Nicolas Rivenq
by artist: Sophie Karthäuser
by artist: Jeremy Ovenden
by artist: Alexandrina Pendatchanska
by artist: Marie-Claude Chappuis
by artist: Sunhae Im
by artist: Michael Nagy
in album: Mozart: La finta giardiniera
  type: MusicAlbum
  date published: 2012-10-09
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d2a250e46863111aaedba316fd913066e2dc48835e24949e4d50e957975f87b. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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/FRZ141126240.
  date published: 2026-07-30T01:32:48Z
audio: La finta giardiniera, K. 196, Act I Scenes 13 - 14: "Che silenzio!" (Podestà, Sandrina, Contino, Arminda, Ramiro) - "Che tratto è questo" (Podestà, Serpetta, Nardo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.871
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.402
  additional property: Energy
    type: PropertyValue
    value: 0.304
  additional property: Speechiness
    type: PropertyValue
    value: 0.232
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.518
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.342
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.305
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ141126240
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960185
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T01:32:48+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141126240
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960185
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960185
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T01:32:48+00:00
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

La finta giardiniera, K. 196, Act I Scene 15: "Ma voi che pretendete" (Sandrina, Contino, Serpetta, Podestà, Nardo, Arminda, Ramiro)
type: MusicRecording
duration: PT3M28S
duration ms: 208640
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Sophie Karthäuser
by artist: Jeremy Ovenden
by artist: Sunhae Im
by artist: Nicolas Rivenq
by artist: Michael Nagy
by artist: Alexandrina Pendatchanska
by artist: Marie-Claude Chappuis
in album: Mozart: La finta giardiniera
  type: MusicAlbum
  date published: 2012-10-09
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x279fcac326f85cc3dc0e25456b159a8ccbabddf2d777d0b3c35289c681ef355e. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/FRZ141126250.
  date published: 2026-07-30T04:47:22Z
audio: La finta giardiniera, K. 196, Act I Scene 15: "Ma voi che pretendete" (Sandrina, Contino, Serpetta, Podestà, Nardo, Arminda, Ramiro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.081
  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: 0.499
  additional property: Energy
    type: PropertyValue
    value: 0.292
  additional property: Speechiness
    type: PropertyValue
    value: 0.076
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.555
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.417
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.8
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ141126250
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960207
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T04:47:22+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141126250
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960207
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960207
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T04:47:22+00:00
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

La finta giardiniera, K. 196, Act I Scene 15: "Perfido! Indegno" (Arminda, Ramiro, Podestà, Serpetta, Nardo, Sandrina, Contino)
type: MusicRecording
duration: PT3M1S
duration ms: 181192
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Alexandrina Pendatchanska
by artist: Marie-Claude Chappuis
by artist: Nicolas Rivenq
by artist: Sunhae Im
by artist: Michael Nagy
by artist: Sophie Karthäuser
by artist: Jeremy Ovenden
in album: Mozart: La finta giardiniera
  type: MusicAlbum
  date published: 2012-10-09
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x712ba17df60d05c38969cae8b32c12f6e15d03b4f783133527e0ed7049788c76. Chain 2 (Bitcoin): anchored in block 960113 (2026-07-29T13:38:16Z), 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/FRZ141126260.
  date published: 2026-07-29T13:38:16Z
audio: La finta giardiniera, K. 196, Act I Scene 15: "Perfido! Indegno" (Arminda, Ramiro, Podestà, Serpetta, Nardo, Sandrina, Contino)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 151.483
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.412
  additional property: Energy
    type: PropertyValue
    value: 0.235
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.143
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.333
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.583
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ141126260
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960113
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T13:38:16+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141126260
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960113
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960113
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T13:38:16+00:00
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

Lukaspassion, TWV 5:29: No. 2, Und er ging hinaus
type: MusicRecording
duration: PT2M34S
duration ms: 154431
explicit: false
by artist: Georg Philipp Telemann
by artist: Benedikt Kristjánsson
by artist: Michael Nagy
by artist: Wrocław Baroque Orchestra
by artist: Jarosław Thiel
in album: Georg Philipp Telemann: Lukaspassion 1744
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEB112500103
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T23:54:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x91b88aa41ebdd53630ee2f3f8794e5462ba14bb197c732ff9d8f614f214a96a6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB112500103
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91b88aa41ebdd53630ee2f3f8794e5462ba14bb197c732ff9d8f614f214a96a6. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB112500103.
  date published: 2026-07-02T03:55:08Z
audio: Lukaspassion, TWV 5:29: No. 2, Und er ging hinaus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.319
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.367
  additional property: Energy
    type: PropertyValue
    value: 0.079
  additional property: Speechiness
    type: PropertyValue
    value: 0.071
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.235
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.196
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.569
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Lukaspassion, TWV 5:29: No. 42, Und es war
type: MusicRecording
duration: PT1M32S
duration ms: 92201
explicit: false
by artist: Georg Philipp Telemann
by artist: Benedikt Kristjánsson
by artist: Michael Nagy
by artist: Wrocław Baroque Orchestra
by artist: Jarosław Thiel
in album: Georg Philipp Telemann: Lukaspassion 1744
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEB112500142
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T18:18:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa002c3f581f6eea94461089492f0af93e89a2276dcc739b28210bc1c9d2d0d54
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB112500142
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957073
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-07T18:39:05+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa002c3f581f6eea94461089492f0af93e89a2276dcc739b28210bc1c9d2d0d54. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/DEB112500142.
  date published: 2026-07-07T18:39:05Z
audio: Lukaspassion, TWV 5:29: No. 42, Und es war
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.529
  additional property: Musical Key
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Lukaspassion, TWV 5:29: No. 8, Und einer aus ihnen
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by artist: Benedikt Kristjánsson
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by artist: Wrocław Baroque Orchestra
by artist: Jarosław Thiel
in album: Georg Philipp Telemann: Lukaspassion 1744
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T14:03:35Z
audio: Lukaspassion, TWV 5:29: No. 8, Und einer aus ihnen
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additional property: OTSVerifyInstructions
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Lukaspassion, TWV 5:29: No. 19, Ihr werdet mich sehen
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duration: PT5M25S
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by artist: Wrocław Baroque Orchestra
by artist: Jarosław Thiel
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T15:22:21Z
audio: Lukaspassion, TWV 5:29: No. 19, Ihr werdet mich sehen
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additional property: OTSVerifyInstructions
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Lukaspassion, TWV 5:29: No. 36, Jesus aber
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duration: PT3M12S
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by artist: Georg Philipp Telemann
by artist: Benedikt Kristjánsson
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by artist: Wrocław Baroque Orchestra
by artist: Jarosław Thiel
in album: Georg Philipp Telemann: Lukaspassion 1744
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T01:10:20Z
audio: Lukaspassion, TWV 5:29: No. 36, Jesus aber
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additional property: OTSVerifyInstructions
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Lukaspassion, TWV 5:29: No. 40, Es war auch oben
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by artist: Benedikt Kristjánsson
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by artist: Wrocław Baroque Orchestra
by artist: Jarosław Thiel
in album: Georg Philipp Telemann: Lukaspassion 1744
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subject of: OpenTimestamps Proof of Existence
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audio: Lukaspassion, TWV 5:29: No. 40, Es war auch oben
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Time Signature
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Energy
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Liveness
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Elias, Op. 70: Teil I: Die Tiefe ist versieget
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by artist: Balthasar-Neumann-Chor
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  date published: 2016-11-18
popularity: 8
genre: classical
genre: early-romantic-era
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Elias, Op. 70: Teil I: Die Tiefe ist versieget
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Elias, Op. 70: Teil I: Herr höre unser Gebet
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popularity: 10
genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: Elias, Op. 70: Teil I: Herr höre unser Gebet
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Elias, Op. 70: Teil I: So ihr mich von ganzem Herzen
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by artist: Lothar Odinius
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popularity: 7
genre: classical
genre: early-romantic-era
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additional property: OTSVerificationAPI
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-13T07:53:33Z
audio: Elias, Op. 70: Teil I: So ihr mich von ganzem Herzen
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Elias, Op. 70: Teil I: Aber der Herr sieht es nicht
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by artist: Felix Mendelssohn
by artist: Thomas Hengelbrock
by artist: Balthasar-Neumann-Ensemble
by artist: Balthasar-Neumann-Chor
in album: Mendelssohn: Elias, Op. 70
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popularity: 9
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Elias, Op. 70: Teil I: Aber der Herr sieht es nicht
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Elias, Op. 70: Teil II: Hebe deine Augen auf
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duration: PT1M32S
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by artist: Felix Mendelssohn
by artist: Thomas Hengelbrock
by artist: Balthasar-Neumann-Ensemble
by artist: Gerlinde Sämann
by artist: Antonia Bourvé
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popularity: 8
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additional property: OTSTimestamp
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:53:57Z
audio: Elias, Op. 70: Teil II: Hebe deine Augen auf
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Elias, Op. 70: Teil I: Elias, gehe weg von hinnen
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duration: PT0M41S
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by artist: Felix Mendelssohn
by artist: Thomas Hengelbrock
by artist: Balthasar-Neumann-Ensemble
by artist: Ann Hallenberg
in album: Mendelssohn: Elias, Op. 70
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popularity: 7
genre: classical
genre: early-romantic-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: Elias, Op. 70: Teil I: Elias, gehe weg von hinnen
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Elias, Op. 70: Teil I: Denn er hat seinen Engeln
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by artist: Felix Mendelssohn
by artist: Thomas Hengelbrock
by artist: Balthasar-Neumann-Ensemble
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Elias, Op. 70: Teil I: Denn er hat seinen Engeln
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Elias, Op. 70: Teil II: Wer bis an das Ende beharrt
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by artist: Felix Mendelssohn
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by artist: Balthasar-Neumann-Ensemble
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popularity: 7
genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Elias, Op. 70: Teil II: Wer bis an das Ende beharrt
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Elias, Op. 70: Teil I: Wohl dem, der den Herrn fürchtet
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popularity: 8
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Elias, Op. 70: Teil I: Wohl dem, der den Herrn fürchtet
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Elias, Op. 70: Teil II: Der Herr ging vorüber
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by artist: Balthasar-Neumann-Chor
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genre: classical
genre: early-romantic-era
genre: german-romanticism
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additional property: OTSVerificationAPI
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T13:52:39Z
audio: Elias, Op. 70: Teil II: Der Herr ging vorüber
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Elias, Op. 70: Teil I: Wirf dein Anliegen auf den Herrn
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by artist: Felix Mendelssohn
by artist: Thomas Hengelbrock
by artist: Balthasar-Neumann-Ensemble
by artist: Antonia Bourvé
by artist: Anne Bierwirth
by artist: Jakob Pilgram
by artist: Stefan Geyer
in album: Mendelssohn: Elias, Op. 70
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popularity: 8
genre: classical
genre: early-romantic-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac21c3a8099383fc6d3c766872e54805d535bf4c2f2c23c1b8fc864b7868b70a. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE861600512.
  date published: 2026-07-02T03:55:08Z
audio: Elias, Op. 70: Teil I: Wirf dein Anliegen auf den Herrn
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Elias, Op. 70: Teil II: Aber einer erwacht von Mitternacht
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duration: PT2M53S
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by artist: Felix Mendelssohn
by artist: Thomas Hengelbrock
by artist: Balthasar-Neumann-Ensemble
by artist: Balthasar-Neumann-Chor
in album: Mendelssohn: Elias, Op. 70
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popularity: 4
genre: classical
genre: early-romantic-era
genre: german-romanticism
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5212ae309e832cbb1d454e874c88663e40fd3f6e0b7aad61a8fa7537efa97087. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DEE861600539.
  date published: 2026-07-08T03:22:41Z
audio: Elias, Op. 70: Teil II: Aber einer erwacht von Mitternacht
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Reimann: Medea
type: MusicAlbum
date published: 2011-05-03

Pfitzner: Palestrina
type: MusicAlbum
date published: 2012-04-03

Wiegenlieder Vol. 1 (LIEDERPROJEKT)
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf4c924fcbe1da36468e03c9406210403bde9c78401616abe08e7763e8d06b39. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB110903501.
    date published: 2026-07-02T03:55:08Z
  audio: Der Mond ist aufgegangen
    type: AudioObject
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    additional property: Danceability
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track: Guten Abend
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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
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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track: Schlaf, Kindchen, balde
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  by artist: Burkhard Kehring
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Schlaf, Kindchen, balde
track: Wer hat die schönsten Schäfchen
track: Abends will ich schlafen gehn
track: Abend wird es wieder
track: Abendlied
track: Puppenwiegenlied
track: Wiegenlied der Hirten
track: Schlaf, Kindlein, süße

OTSBitcoinBlockVerifyURL
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value: https://blockstream.info/api/block-height/956304

OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB110903503

OTSTimestamp
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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 0x3aef3e7948d4fe3023c954b12b1f31c9e4fc2e5abf07a1e136f5695c14b0d752. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB110903503.
date published: 2026-07-02T03:55:08Z

Schlaf, Kindchen, balde
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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: Instrumentalness
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additional property: Valence (Positivity)
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additional property: Mode Name
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Wer hat die schönsten Schäfchen
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by artist: Gerold Huber
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Wer hat die schönsten Schäfchen
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  additional property: Speechiness
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    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.169
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.527
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Abends will ich schlafen gehn
type: MusicRecording
duration: PT2M38S
duration ms: 158266
explicit: false
by artist: Sibylla Rubens
by artist: Ingeborg Danz
by artist: Elisabeth Föll
in album: Wiegenlieder Vol. 1 (LIEDERPROJEKT)
  type: MusicAlbum
  date published: 2022-02-11
genre: choral
genre: requiem
isrc code: DEB110903517
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T07:31:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbd430f2e5f6efbb97afd5f9acef71bfdb2fedb3beb791a23efaa4ab48b0f67ea
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956891
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956891
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB110903517
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:16:32Z
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 0xbd430f2e5f6efbb97afd5f9acef71bfdb2fedb3beb791a23efaa4ab48b0f67ea. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/DEB110903517.
  date published: 2026-07-06T07:16:32Z
audio: Abends will ich schlafen gehn
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.258
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.223
  additional property: Energy
    type: PropertyValue
    value: 0.022
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.031
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.84
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Abend wird es wieder
type: MusicRecording
duration: PT1M24S
duration ms: 84800
explicit: false
by artist: Roman Trekel
by artist: Oliver Pohl
in album: Wiegenlieder Vol. 1 (LIEDERPROJEKT)
  type: MusicAlbum
  date published: 2022-02-11
genre: classical-baritone
isrc code: DEB110903518
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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  value: https://explorer.copyrightchains.com/tx/0xaf7b8504b62590efa044938bd34c091d9ed002282d89b321ace8e43b496a2fce
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957052
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957052
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB110903518
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:50:41Z
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 0xaf7b8504b62590efa044938bd34c091d9ed002282d89b321ace8e43b496a2fce. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/DEB110903518.
  date published: 2026-07-07T14:50:41Z
audio: Abend wird es wieder
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 164.124
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.23
  additional property: Energy
    type: PropertyValue
    value: 0.015
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.025
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.275
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.297
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
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Abendlied
type: MusicRecording
duration: PT1M57S
duration ms: 117546
explicit: false
by artist: Klaus Mertens
by artist: Juliane Ruf
in album: Wiegenlieder Vol. 1 (LIEDERPROJEKT)
  type: MusicAlbum
  date published: 2022-02-11
isrc code: DEB110903520
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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  value: 2026-07-06T10:03:55+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x4b931a94b6c93844dc0913d7bd1680e7d6bae6f92195c2cf2b9316f130c6866e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957052
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957052
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB110903520
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:50:41Z
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 0x4b931a94b6c93844dc0913d7bd1680e7d6bae6f92195c2cf2b9316f130c6866e. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/DEB110903520.
  date published: 2026-07-07T14:50:41Z
audio: Abendlied
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.229
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.301
  additional property: Energy
    type: PropertyValue
    value: 0.016
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.067
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.164
  additional property: Loudness (dB)
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    value: -29.048
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
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Puppenwiegenlied
type: MusicRecording
duration: PT1M17S
duration ms: 77466
explicit: false
by artist: Lea Kübler
by artist: Johannes Knecht
in album: Wiegenlieder Vol. 1 (LIEDERPROJEKT)
  type: MusicAlbum
  date published: 2022-02-11
isrc code: DEB110903521
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7dae362802da9e111599458370d28bf55f1f8788a504d92ad698db2cbf814e38
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB110903521
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 0x7dae362802da9e111599458370d28bf55f1f8788a504d92ad698db2cbf814e38. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DEB110903521.
  date published: 2026-07-02T03:30:09Z
audio: Puppenwiegenlied
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.615
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Wiegenlied der Hirten
type: MusicRecording
duration: PT2M36S
duration ms: 156613
explicit: false
by artist: Benoit Haller
by artist: Juliane Ruf
in album: Wiegenlieder Vol. 1 (LIEDERPROJEKT)
  type: MusicAlbum
  date published: 2022-02-11
isrc code: DEB110903525
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:46:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xce8785edd4dc0f20393a40cec55dbaa05d7ca7b384327ade71cac86485fbf4af
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/DEB110903525
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 0xce8785edd4dc0f20393a40cec55dbaa05d7ca7b384327ade71cac86485fbf4af. 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/DEB110903525.
  date published: 2026-07-08T03:53:27Z
audio: Wiegenlied der Hirten
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.775
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.327
  additional property: Energy
    type: PropertyValue
    value: 0.022
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.193
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.484
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kinderlieder Vol. 3 (LIEDERPROJEKT)
type: MusicAlbum
date published: 2022-07-01
track: Summ, summ, summ
  type: MusicRecording
  duration: PT1M7S
  duration ms: 67813
  explicit: false
  by artist: Lydia Teuscher
  by artist: Juliane Ruf
  in album: Kinderlieder Vol. 3 (LIEDERPROJEKT)
    type: MusicAlbum
    date published: 2022-07-01
  popularity: 3
  genre: choral
  genre: requiem
  isrc code: DEB111104005
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T12:15:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0dbbae50d6cfbcc5873be85809370b0eefa4c785ad44002d74e48b3220dedc23
  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/DEB111104005
  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 0x0dbbae50d6cfbcc5873be85809370b0eefa4c785ad44002d74e48b3220dedc23. 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/DEB111104005.
    date published: 2026-07-08T03:20:19Z
  audio: Summ, summ, summ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
      value: 0.487
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.992
    additional property: Instrumentalness
      type: PropertyValue
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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)
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    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Der kleine Reiter
  type: MusicRecording
  duration: PT0M36S
  duration ms: 36360
  explicit: false
  by artist: Christiane Oelze
  by artist: Eric Schneider
  in album: Kinderlieder Vol. 3 (LIEDERPROJEKT)
    type: MusicAlbum
    date published: 2022-07-01
  popularity: 2
  genre: classical
  genre: opera
  genre: requiem
  isrc code: DEB111104017
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T14:24:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xace89e802a275120fee6f0f554dec82173e921da518540a7086f846b361f9409
  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/DEB111104017
  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 0xace89e802a275120fee6f0f554dec82173e921da518540a7086f846b361f9409. 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/DEB111104017.
    date published: 2026-07-08T03:20:19Z
  audio: Der kleine Reiter
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.7
    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
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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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track: In dem Wald, da steht ein Haus
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  subject of: OpenTimestamps Proof of Existence
  audio: In dem Wald, da steht ein Haus
track: Ach, bittrer Winter
track: Ich bin ein Musikante
track: Hänsel und Gretel
track: Ein Vogel wollte Hochzeit machen
track: Wer will fleißige Handwerker sehn

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53af4bfb674e5816b4d36ac2f21d291f1ef6e7a5caf2c285d6c9638dddb137f4. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DEB111104018.
date published: 2026-07-08T03:22:41Z

In dem Wald, da steht ein Haus
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Ach, bittrer Winter
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by artist: Kay Johannsen
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Ach, bittrer Winter
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Ich bin ein Musikante
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Ich bin ein Musikante
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Hänsel und Gretel
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by artist: Leonhard Elsner
by artist: Paulina Elsner
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Hänsel und Gretel
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Ein Vogel wollte Hochzeit machen
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by artist: Juliane Ruf
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Ein Vogel wollte Hochzeit machen
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Volkslieder (LIEDERPROJEKT) [Vol. 1]
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track: 12 Deutsche Volkslieder, WoO 35: No. 7, Wach auf, meins Herzens Schöne
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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Telemann: Miriways
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date published: 2020-05-08

Bach: Soli Deo Gloria
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date published: 2016-10-07

J.S. Bach: St. Matthew Passion, BWV 244
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track: St. Matthew Passion, BWV 244: Part I: Kommt, ihr Tochter, helft mir klagen (Chorus)
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  by artist: Concerto Köln
  by artist: Regensburg Cathedral Choir
  by artist: Bavarian Radio Chorus
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: St. Matthew Passion, BWV 244: Part I: Recitative: Er sprach (Evangelist) - Gehet hin di die Stadt (Jesus)
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track: St. Matthew Passion, BWV 244: Part I: Recitative: Der Heiland fallt vor seinem Vater nieder (Bass)

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St. Matthew Passion, BWV 244: Part I: Recitative: Er sprach (Evangelist) - Gehet hin di die Stadt (Jesus)
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track: Die tote Stadt (The Dead City), Op. 12: Act I Scene 5: Das dumme Lied, es hat Sie ganz verzaubert (Marietta, Gaston, Juliette, Lucienne, Paul)
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track: Die tote Stadt (The Dead City), Op. 12: Act II: Prelude
track: Die tote Stadt (The Dead City), Op. 12: Act II Scene 1: Was ward aus mir? (Paul, Brigitta)
track: Die tote Stadt (The Dead City), Op. 12: Act II Scene 3: Halt ein! Du eine auferstandne Tote?! (Paul, Marietta, Victorin, Graf Albert, Fritz)

Glanert: 4 Präludien und Ernste Gesänge & Weites Land - Brahms: Clarinet Sonata No. 1
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Wagner: Das Liebesverbot
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Haydn, J.: Mass in B-Flat Major, "Harmoniemesse" / Mass in B-Flat Major, "Heiligmesse"
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Haydn, F.J.: Lord Nelson Mass / Creation Mass
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La finta giardiniera, K. 196, Act II Scene 15: No. 21, Aria "Crudeli, oh dio!" (Sandrina) - Recitativo "Dove son!" (Sandrina)
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La finta giardiniera, K. 196, Act I Scene 10: No. 11, Cavatina "Geme la tortorella" (Sandrina)
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  date published: 2026-07-08T03:22:41Z
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Iván Eröd - Lieder
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Dallapiccola: Il Prigioniero
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Die Feen: Große romantische Oper in drei Akten
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Scartazzini: Edward II.
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Sandström: Messiah
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  audio: Lukaspassion, TWV 5:29: No. 20, Sie aber sprachen & No. 21, Was dürfen wir weiter Zeugnis
track: Lukaspassion, TWV 5:29: No. 32, Er aber sprach
track: Lukaspassion, TWV 5:29: No. 39, Bist du der Juden König
track: Lukaspassion, TWV 5:29: No. 42, Und es war
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track: Lukaspassion, TWV 5:29: No. 19, Ihr werdet mich sehen
track: Lukaspassion, TWV 5:29: No. 36, Jesus aber
track: Lukaspassion, TWV 5:29: No. 40, Es war auch oben

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OpenTimestamps Proof of Existence
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date published: 2026-07-07T14:41:13Z

Lukaspassion, TWV 5:29: No. 20, Sie aber sprachen & No. 21, Was dürfen wir weiter Zeugnis
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Lukaspassion, TWV 5:29: No. 39, Bist du der Juden König
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Lukaspassion, TWV 5:29: No. 45, So fahr’ ich hin
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Sacred Masterpieces Stuttgart Gachinger Kantorei, Stuttgart Bach Collegium, Rilling
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Es Lo Que Es
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Brahms: Complete Songs & Duets, Vol. 3
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Mozart: Requiem in D Minor, K. 626 - Pfluger: Memento mori
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41 ausgewählte Lieder
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Haydn: Masses
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