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description: Kenneth Riegel (April 19, 1938 – June 28, 2023) was an American opera tenor. Life and career Riegel was born on April 19, 1938, in Womelsdorf, Pennsylvania. He made his theatrical début as the Alchem
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La Damnation de Faust, Op. 24, H 111 / Pt. 4: Scène 18. La course à l'abîme. "Dans mon choeur retentit sa voix"
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La Damnation de Faust, Op. 24, H 111 / Pt. 1: Ronde des Paysans. "Les bergers quittent leurs troupeaux"
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La Damnation de Faust, Op. 24, H 111 / Pt. 2: Scène 3. "Sans regrets j'ai quitté les riantes campagnes"
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La Damnation de Faust, Op. 24, H 111 / Pt. 2: Chant de la fête de Pâques. "Christ vient de ressusciter!"
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La Damnation de Faust, Op. 24, H 111 / Pt. 2: Scène 4. "O pure émotion!"
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La Damnation de Faust, Op. 24, H 111 / Pt. 2: Chanson de Méphistophélès. "Une puce gentille"
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La Damnation de Faust, Op. 24, H 111 / Pt. 2: Choeur de gnomes et de sylphes "Dors! Dors! heureux"
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La Damnation de Faust, Op. 24, H 111 / Pt. 3: Trio & Chorus: "Allons, il est trop tard!...Je connais donc enfin"
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Lulu, Act II: Die Matinée wird, wie ich mir denke
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Lulu, Act I: Seit ich für die Bühne arbeite Noch etwas, bitte
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Lulu, Act I: Darf ich eintreten? – Mein Sohn! – Wie ist dir?
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Lulu, Act II: Sein Vater! – Du Kreatur, die mich durch den Strassenkot
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Lulu, Act II: Er lässt auf sich warten
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Lulu, Act II: Sie wollten der verrückten Rakete – Mit wem habe ich ... Sie?
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Lulu, Act II: Wenn deine beiden grossen Kinderaugen – Durch dieses Kleid
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Mussorgsky: Boris Godunov, Prologue: Coronation Scene. "Da zdravstvuet tsar' Boris Feodorovich" (Shuisky, Boris, Chorus)
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Missa in B-Flat Major, Hob. XXII:14 "Harmoniemesse": IIc. Gloria, Quoniam tu solus sanctus. Allegro spiritoso - 2017 Remastered Version
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Missa in B-Flat Major, Hob. XXII:14 "Harmoniemesse": IIIb. Credo, Et incarnatus est. Adagio - 2017 Remastered Version
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Missa in B-Flat Major, Hob. XXII:14 "Harmoniemesse": IV. Sanctus, Sanctus, sanctus. Adagio - Allegro - 2017 Remastered Version
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Missa in B-Flat Major, Hob. XXII:14 "Harmoniemesse": IIb. Gloria, Gratias agimus tibi. Allegretto - 2017 Remastered Version
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Missa in B-Flat Major, Hob. XXII:14 "Harmoniemesse": IIIa. Credo, Credo in unum Deum. Vivace - 2017 Remastered Version
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Missa in B-Flat Major, Hob. XXII:14 "Harmoniemesse": IIIc. Credo, Et ressurrexit. Vivace - 2017 Remastered Version
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Missa in B-Flat Major, Hob. XXII:14 "Harmoniemesse": IIId. Credo, Et vitam venturi. Vivace - 2017 Remastered Version
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Missa in B-Flat Major, Hob. XXII:14 "Harmoniemesse": V. Benedictus, Benedictus qui venit. Allegro molto - Allegro - 2017 Remastered Version
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Missa in B-Flat Major, Hob. XXII:14 "Harmoniemesse": VIa. Agnus Dei, Agnus Dei. Adagio - 2017 Remastered Version
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Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": I. Kyrie. Allegro moderato
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Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": II. Gloria: Qui tollis peccata mundi. Adagio
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Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": III. Credo: Credo in unum Deum. Allegro con spirito
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audio: Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": III. Credo: Credo in unum Deum. Allegro con spirito
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Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": III. Credo: Et incarnatus est. Largo
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by artist: Joseph Haydn
by artist: Leonard Bernstein
by artist: New York Philharmonic
by artist: Westminster Choir
by artist: Gwendolyn Killebrew
by artist: Kenneth Riegel
by artist: Judith Blegen
by artist: Simon Estes
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  date published: 2026-07-31T20:22:46Z
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Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": IV. Sanctus: Adagio - Allegro
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  date published: 2026-07-31T08:26:41Z
audio: Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": IV. Sanctus: Adagio - Allegro
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Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": VI. Agnus Dei. Adagio
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by artist: Leonard Bernstein
by artist: New York Philharmonic
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by artist: Simon Estes
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  date published: 2026-07-31T13:26:30Z
audio: Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": VI. Agnus Dei. Adagio
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Clarke: Suite in D Major IV. Prince of Denmark's March "Trumpet Voluntary" (Arr. Antonsen and Marshall for Trumpet and Organ)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Clarke: Suite in D Major IV. Prince of Denmark's March "Trumpet Voluntary" (Arr. Antonsen and Marshall for Trumpet and Organ)
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Parry: I Was Glad
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by artist: Choir of King's College, Cambridge
by artist: Cambridge University Musical Society Chorus
by artist: Royal Military School Of Music Band
by artist: New Philharmonia Orchestra
by artist: Philip Ledger
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Parry: I Was Glad
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Elgar: Coronation Ode, Op. 44: Finale. "Land of Hope and Glory"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Elgar: Coronation Ode, Op. 44: Finale. "Land of Hope and Glory"
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Walton: Orb and Sceptre
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by artist: André Previn
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Walton: Orb and Sceptre
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Elgar: Coronation March, Op. 65
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explicit: false
by artist: Edward Elgar
by artist: Sir Charles Groves
by artist: Noel Rawsthorne
by artist: Royal Liverpool Philharmonic Orchestra
in album: A Classical Coronation. Music for a Royal Celebration
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popularity: 1
genre: classical
genre: late-romantic-era
genre: british-modern-classical
genre: victorian-britain
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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: 2026-07-08T03:53:27Z
audio: Elgar: Coronation March, Op. 65
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Walton: Crown Imperial, a Coronation March
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duration ms: 539240
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by artist: William Walton
by artist: City Of Birmingham Symphony Orchestra
by artist: Louis Frémaux
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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: Walton: Crown Imperial, a Coronation March
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Giroust: Messe du sacre de Louis XVI: I. Kyrie
type: MusicRecording
duration: PT2M44S
duration ms: 164746
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by artist: François Giroust
by artist: Louis Devos
by artist: Chœur De Chambre De Namur
by artist: Bernadette Degelin
by artist: Catherine Vandevelde
by artist: Howard Crook
by artist: Michel Verschaeve
by artist: Musica Polyphonica
in album: A Classical Coronation. Music for a Royal Celebration
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popularity: 1
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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: 2026-07-08T03:20:19Z
audio: Giroust: Messe du sacre de Louis XVI: I. Kyrie
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Mahler: Symphony No. 8 "Symphony of a Thousand"
type: MusicAlbum
date published: 2010-01-01

Strauss, R.: Salome
type: MusicAlbum
date published: 1995

Berlioz: La Damnation de Faust
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date published: 1982-05-03
track: La Damnation de Faust, Op. 24, H 111 / Pt. 1: Scène 1. "Le vieil hiver a fait place au printemps"
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
  audio: La Damnation de Faust, Op. 24, H 111 / Pt. 1: Scène 1. "Le vieil hiver a fait place au printemps"
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track: La Damnation de Faust, Op. 24, H 111 / Pt. 1: Scène 2. "Mais d'un éclat guerrier"
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
  audio: La Damnation de Faust, Op. 24, H 111 / Pt. 1: Scène 2. "Mais d'un éclat guerrier"
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track: La Damnation de Faust, Op. 24, H 111 / Pt. 1: Marche hongroise
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  subject of: OpenTimestamps Proof of Existence
  audio: La Damnation de Faust, Op. 24, H 111 / Pt. 1: Marche hongroise
track: La Damnation de Faust, Op. 24, H 111 / Pt. 2: Choeur de buveurs: Oh! qu'il fait bon
track: La Damnation de Faust, Op. 24, H 111 / Pt. 2: Chanson de Brander. "Certain rat, dans une cuisine"
track: La Damnation de Faust, Op. 24, H 111 / Pt. 2: Fugue sur le thème de la chanson. "Amen"
track: La Damnation de Faust, Op. 24, H 111 / Pt. 2: Scène 6. Air de Méphistophélès. "Voici des roses"
track: La Damnation de Faust, Op. 24, H 111 / Pt. 2: Ballet des Sylphes
track: La Damnation de Faust, Op. 24, H 111 / Pt. 2: Choeurs de Soldats et Chanson d'Etudiants. "Villes entourées...Jam nox stellata velamina pandit"
track: La Damnation de Faust, Op. 24, H 111 / Pt. 3: Scène 8. Air de Faust. "Merci, doux crépuscule!"
track: La Damnation de Faust, Op. 24, H 111 / Pt. 3: Scène 9. "Je l'entends"
track: La Damnation de Faust, Op. 24, H 111 / Pt. 3: Scène 10. "Que l'air est étouffant"
track: La Damnation de Faust, Op. 24, H 111 / Pt. 3: Scène 11. Evocation. "Esprits des flammes inconstantes"
track: La Damnation de Faust, Op. 24, H 111 / Pt. 3: Menuet des Follets
track: La Damnation de Faust, Op. 24, H 111 / Pt. 3: Sérénade de Méphistophélès: "Devant la maison"
track: La Damnation de Faust, Op. 24, H 111 / Pt. 3: Scène 13. "Grands dieux!"
track: La Damnation de Faust, Op. 24, H 111 / Pt. 4: Scène 15. Romance. "D'amour l'ardente flamme"
track: La Damnation de Faust, Op. 24, H 111 / Pt. 4: Scène 16. Invocation à la Nature. "Nature immense"
track: La Damnation de Faust, Op. 24, H 111 / Pt. 4: Scène 18. La course à l'abîme. "Dans mon choeur retentit sa voix"
track: La Damnation de Faust, Op. 24, H 111 / Pt. 4: Scène 20. Epilogue sur la terre. "Alors, l'enfer se tut"
track: La Damnation de Faust, Op. 24, H 111 / Pt. 4: Scène 21. Le Ciel. "Laus! Laus!" - Apothéose de Marguerite. "Remonte au ciel, âme naïve"
track: La Damnation de Faust, Op. 24, H 111 / Pt. 1: Ronde des Paysans. "Les bergers quittent leurs troupeaux"
track: La Damnation de Faust, Op. 24, H 111 / Pt. 2: Scène 3. "Sans regrets j'ai quitté les riantes campagnes"
track: La Damnation de Faust, Op. 24, H 111 / Pt. 2: Chant de la fête de Pâques. "Christ vient de ressusciter!"
track: La Damnation de Faust, Op. 24, H 111 / Pt. 2: Scène 4. "O pure émotion!"
track: La Damnation de Faust, Op. 24, H 111 / Pt. 2: Chanson de Méphistophélès. "Une puce gentille"
track: La Damnation de Faust, Op. 24, H 111 / Pt. 2: Choeur de gnomes et de sylphes "Dors! Dors! heureux"
track: La Damnation de Faust, Op. 24, H 111 / Pt. 3: Trio & Chorus: "Allons, il est trop tard!...Je connais donc enfin"

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OTSBitcoinBlockVerifyURL
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
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date published: 2026-07-02T03:55:08Z

La Damnation de Faust, Op. 24, H 111 / Pt. 1: Marche hongroise
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La Damnation de Faust, Op. 24, H 111 / Pt. 2: Choeur de buveurs: Oh! qu'il fait bon
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  date published: 2026-07-08T03:20:19Z
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La Damnation de Faust, Op. 24, H 111 / Pt. 2: Chanson de Brander. "Certain rat, dans une cuisine"
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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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La Damnation de Faust, Op. 24, H 111 / Pt. 2: Fugue sur le thème de la chanson. "Amen"
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  date published: 2026-07-08T03:20:19Z
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La Damnation de Faust, Op. 24, H 111 / Pt. 2: Scène 6. Air de Méphistophélès. "Voici des roses"
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  date published: 2026-07-08T03:53:27Z
audio: La Damnation de Faust, Op. 24, H 111 / Pt. 2: Scène 6. Air de Méphistophélès. "Voici des roses"
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La Damnation de Faust, Op. 24, H 111 / Pt. 2: Ballet des Sylphes
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  date published: 2026-07-08T03:53:27Z
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La Damnation de Faust, Op. 24, H 111 / Pt. 2: Choeurs de Soldats et Chanson d'Etudiants. "Villes entourées...Jam nox stellata velamina pandit"
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  date published: 2026-07-08T03:22:41Z
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La Damnation de Faust, Op. 24, H 111 / Pt. 3: Scène 8. Air de Faust. "Merci, doux crépuscule!"
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  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/GBF078140620
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe66eef2a24cc968aefb55b341fc2d84544f47cf8a5cb17f223b7af9c9a67c9e9. 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/GBF078140620.
  date published: 2026-07-08T03:20:19Z
audio: La Damnation de Faust, Op. 24, H 111 / Pt. 3: Scène 8. Air de Faust. "Merci, doux crépuscule!"
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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
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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La Damnation de Faust, Op. 24, H 111 / Pt. 3: Scène 9. "Je l'entends"
type: MusicRecording
duration: PT1M2S
duration ms: 62133
explicit: false
by artist: Hector Berlioz
by artist: Kenneth Riegel
by artist: José van Dam
by artist: Chicago Symphony Orchestra
by artist: Sir Georg Solti
in album: Berlioz: La Damnation de Faust
  type: MusicAlbum
  date published: 1982-05-03
genre: classical
genre: orchestra
isrc code: GBF078140621
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078140621
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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 0x46b649ba0943d4da4b4163b6eb58bb8dc6a91ab7fe162e2e213f6de163c832ef. 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/GBF078140621.
  date published: 2026-07-08T03:22:41Z
audio: La Damnation de Faust, Op. 24, H 111 / Pt. 3: Scène 9. "Je l'entends"
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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La Damnation de Faust, Op. 24, H 111 / Pt. 3: Scène 10. "Que l'air est étouffant"
type: MusicRecording
duration: PT2M55S
duration ms: 175173
explicit: false
by artist: Hector Berlioz
by artist: Frederica von Stade
by artist: Chicago Symphony Orchestra
by artist: Sir Georg Solti
in album: Berlioz: La Damnation de Faust
  type: MusicAlbum
  date published: 1982-05-03
genre: classical
genre: orchestra
isrc code: GBF078140622
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
  type: PropertyValue
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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/GBF078140622
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 0x29fadc6fd0930c0defdb7710bd7941172a9f527dd585d013383cd3764f0d58ea. 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/GBF078140622.
  date published: 2026-07-08T03:20:19Z
audio: La Damnation de Faust, Op. 24, H 111 / Pt. 3: Scène 10. "Que l'air est étouffant"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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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
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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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La Damnation de Faust, Op. 24, H 111 / Pt. 3: Scène 11. Evocation. "Esprits des flammes inconstantes"
type: MusicRecording
duration: PT2M4S
duration ms: 124093
explicit: false
by artist: Hector Berlioz
by artist: José van Dam
by artist: Chicago Symphony Orchestra
by artist: Sir Georg Solti
in album: Berlioz: La Damnation de Faust
  type: MusicAlbum
  date published: 1982-05-03
genre: classical
genre: orchestra
isrc code: GBF078140624
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:23:30+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xfcac181968c951d2359b56e11d215d70125339001bdf93e26d6a7af5e2be0822
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/GBF078140624
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 0xfcac181968c951d2359b56e11d215d70125339001bdf93e26d6a7af5e2be0822. 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/GBF078140624.
  date published: 2026-07-08T03:20:19Z
audio: La Damnation de Faust, Op. 24, H 111 / Pt. 3: Scène 11. Evocation. "Esprits des flammes inconstantes"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 150.113
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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La Damnation de Faust, Op. 24, H 111 / Pt. 3: Menuet des Follets
type: MusicRecording
duration: PT5M47S
duration ms: 347933
explicit: false
by artist: Hector Berlioz
by artist: José van Dam
by artist: Chicago Symphony Orchestra
by artist: Sir Georg Solti
in album: Berlioz: La Damnation de Faust
  type: MusicAlbum
  date published: 1982-05-03
genre: classical
genre: orchestra
isrc code: GBF078140625
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:38:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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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/GBF078140625
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 0xdc693013736b89cf3e2e0c3555e3b5d3f8fd84e91d4825c7f88bd41e1dfb3dc1. 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/GBF078140625.
  date published: 2026-07-08T03:20:19Z
audio: La Damnation de Faust, Op. 24, H 111 / Pt. 3: Menuet des Follets
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
    value: 0.073
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.157
  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
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La Damnation de Faust, Op. 24, H 111 / Pt. 3: Sérénade de Méphistophélès: "Devant la maison"
type: MusicRecording
duration: PT2M3S
duration ms: 123640
explicit: false
by artist: Hector Berlioz
by artist: José van Dam
by artist: Chicago Symphony Chorus
by artist: Chicago Symphony Orchestra
by artist: Sir Georg Solti
in album: Berlioz: La Damnation de Faust
  type: MusicAlbum
  date published: 1982-05-03
genre: classical
genre: orchestra
isrc code: GBF078140626
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:42:59+00:00
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/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078140626
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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 0xc2b4a3e22025d2b914719dcf12c92a5513b5749fdf3217f2c41737a4e1aba96c. 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/GBF078140626.
  date published: 2026-07-08T03:22:41Z
audio: La Damnation de Faust, Op. 24, H 111 / Pt. 3: Sérénade de Méphistophélès: "Devant la maison"
  type: AudioObject
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    type: PropertyValue
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.517
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.926
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Mode Name
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La Damnation de Faust, Op. 24, H 111 / Pt. 3: Scène 13. "Grands dieux!"
type: MusicRecording
duration: PT5M9S
duration ms: 309133
explicit: false
by artist: Hector Berlioz
by artist: Frederica von Stade
by artist: Kenneth Riegel
by artist: Chicago Symphony Orchestra
by artist: Sir Georg Solti
in album: Berlioz: La Damnation de Faust
  type: MusicAlbum
  date published: 1982-05-03
genre: classical
genre: orchestra
isrc code: GBF078140627
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: 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/GBF078140627
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 0x8911d3b701f96b96944d485664bd64c1306247872195de48fb7e146498b4b7c4. 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/GBF078140627.
  date published: 2026-07-08T03:20:19Z
audio: La Damnation de Faust, Op. 24, H 111 / Pt. 3: Scène 13. "Grands dieux!"
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
    type: PropertyValue
    value: 0.277
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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La Damnation de Faust, Op. 24, H 111 / Pt. 4: Scène 15. Romance. "D'amour l'ardente flamme"
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duration: PT10M43S
duration ms: 643800
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La Damnation de Faust, Op. 24, H 111 / Pt. 4: Scène 16. Invocation à la Nature. "Nature immense"
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La Damnation de Faust, Op. 24, H 111 / Pt. 4: Scène 20. Epilogue sur la terre. "Alors, l'enfer se tut"
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La Damnation de Faust, Op. 24, H 111 / Pt. 4: Scène 21. Le Ciel. "Laus! Laus!" - Apothéose de Marguerite. "Remonte au ciel, âme naïve"
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Mozart - The 50 Best Classical Masterpieces
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track: 3 Pieces for Orchestra, Op. 6: No. 3, Marsch
track: Chamber Concerto for Piano, Violin & 13 Wind Instruments: III. Rondo ritmico con introduzione
track: Lyric Suite, 3 Pieces for String Orchestra: I. Andante amoroso
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track: Violin Concerto "To the Memory of an Angel": I. Andante - Allegro
track: Four Pieces For Clarinet And Piano, Op. 5: 3. Sehr rasch
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track: Chamber Concerto for Piano and Violin with 13 Wind Instruments: 2. Adagio
track: Sieben frühe Lieder: III. Die Nachtigall
track: Sieben frühe Lieder: IV. Traumgekrönt

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Lyric Suite For String Quartet (1926): II. Andante amoroso
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3 Pieces for Orchestra, Op. 6: No. 3, Marsch
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Chamber Concerto for Piano, Violin & 13 Wind Instruments: III. Rondo ritmico con introduzione
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Lyric Suite, 3 Pieces for String Orchestra: I. Andante amoroso
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Lyric Suite, 3 Pieces for String Orchestra: III. Adagio appassionato
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Violin Concerto "To the Memory of an Angel": I. Andante - Allegro
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Four Pieces For Clarinet And Piano, Op. 5: 3. Sehr rasch
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Violin Concerto "To the Memory of an Angel": II. Allegro - Adagio
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Four Pieces For Clarinet And Piano, Op. 5: 4. Langsam
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Chamber Concerto for Piano and Violin with 13 Wind Instruments: 2. Adagio
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Sieben frühe Lieder: III. Die Nachtigall
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audio: Sieben frühe Lieder: III. Die Nachtigall
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Sieben frühe Lieder: IV. Traumgekrönt
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Berg: Lulu
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track: Lulu, Prologue: Hereinspaziert in die Menagerie
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track: Lulu, Act II: Die Matinée wird, wie ich mir denke
track: Lulu, Act I: Den hab' ich mir auch ganz anders vorgestellt
track: Lulu, Act I: Was tut denn Ihr Vater da? Sonata. Wenn ich ihr Mann wäre
track: Lulu, Act I: Ich darf mich jetzt hier nicht sehen lassen
track: Lulu, Act I: Seit ich für die Bühne arbeite Noch etwas, bitte
track: Lulu, Act I: Über die liesse sich freilich – Das hättest du dir besser erspart
track: Lulu, Act I: Darf ich eintreten? – Mein Sohn! – Wie ist dir?
track: Lulu, Act II: Sein Vater! – Du Kreatur, die mich durch den Strassenkot
track: Lulu, Act II: Er lässt auf sich warten
track: Lulu, Act II: Sie wollten der verrückten Rakete – Mit wem habe ich ... Sie?
track: Lulu, Act II: Wenn deine beiden grossen Kinderaugen – Durch dieses Kleid

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Lulu, Act II: Gott sei dank, dass wir endlich – Hast oben abgeschlossen?
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Lulu, Act I: Den hab' ich mir auch ganz anders vorgestellt
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Lulu, Act I: Was tut denn Ihr Vater da? Sonata. Wenn ich ihr Mann wäre
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Lulu, Act I: Ich darf mich jetzt hier nicht sehen lassen
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Lulu, Act I: Über die liesse sich freilich – Das hättest du dir besser erspart
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Tenor Arias: The Definitive Collection
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Absolute Masterworks - Opera
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Music Inspired by "On the Basis of Sex" - A Night at the Opera with Ruth Bader Ginsburg
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The 50 Absolute Essentials of Classical Music
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I capolavori dell'opera
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track: Mussorgsky: Boris Godunov, Prologue: Coronation Scene. "Da zdravstvuet tsar' Boris Feodorovich" (Shuisky, Boris, Chorus)

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  type: PropertyValue
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additional property: Liveness
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additional property: Valence (Positivity)
  type: PropertyValue
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additional property: Loudness (dB)
  type: PropertyValue
  value: -22.449
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
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Satie: Parade: Petite fille américaine
type: MusicRecording
duration: PT1M46S
duration ms: 106053
explicit: false
by artist: Erik Satie
by artist: Orchestre Du Capitole De Toulouse
by artist: Michel Plasson
in album: Léon Bakst - A Life for the Stage
  type: MusicAlbum
  date published: 2025-01-21
genre: classical
genre: classical-piano
genre: impressionism
isrc code: FRZ112100224
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x22cbc38f7b3c801d0f634a93902c762a6574037c1f74149b282e6be4011e0af2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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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/FRZ112100224
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22cbc38f7b3c801d0f634a93902c762a6574037c1f74149b282e6be4011e0af2. 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/FRZ112100224.
  date published: 2026-07-07T18:39:05Z
audio: Satie: Parade: Petite fille américaine
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 110.617
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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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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    value: 0.285
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.648
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Ravel: Daphnis et Chloé, M. 57, Pt. 3: Danse générale
type: MusicRecording
duration: PT4M54S
duration ms: 294746
explicit: false
by artist: Maurice Ravel
by artist: Philippe Jordan
by artist: Chœur de l'Opéra national de Paris
by artist: Orchestre de l'Opéra National de Paris
in album: Léon Bakst - A Life for the Stage
  type: MusicAlbum
  date published: 2025-01-21
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
isrc code: GBAYC1402868
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x52e497990c92bf936e43b6af0c0cf4aed2d049c71eaa4ec422d7e22700b864fd
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/GBAYC1402868
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 0x52e497990c92bf936e43b6af0c0cf4aed2d049c71eaa4ec422d7e22700b864fd. 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/GBAYC1402868.
  date published: 2026-07-06T07:16:32Z
audio: Ravel: Daphnis et Chloé, M. 57, Pt. 3: Danse générale
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Chopin / Orch. Douglas: Les sylphides: Waltz, Op. 70 No. 1
type: MusicRecording
duration: PT2M6S
duration ms: 126000
explicit: false
by artist: Frédéric Chopin
by artist: Philharmonia Orchestra
by artist: Robert Irving
in album: Léon Bakst - A Life for the Stage
  type: MusicAlbum
  date published: 2025-01-21
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: GBAYC2102459
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T05:11:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa80b76b09623b0f94b560192215cefca0194d2a3090e91feee0150f2610de0c9
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2102459
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
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 0xa80b76b09623b0f94b560192215cefca0194d2a3090e91feee0150f2610de0c9. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GBAYC2102459.
  date published: 2026-07-06T06:56:49Z
audio: Chopin / Orch. Douglas: Les sylphides: Waltz, Op. 70 No. 1
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Mozart: Die Zauberflöte, K. 620, Act 1: "Du feines Täubchen, nur herein!" (Monostatos, Pamina, Papageno)
type: MusicRecording
duration: PT1M53S
duration ms: 113293
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Les Arts Florissants
by artist: William Christie
by artist: Anton Scharinger
by artist: Rosa Mannion
by artist: Steven Cole
in album: Léon Bakst - A Life for the Stage
  type: MusicAlbum
  date published: 2025-01-21
genre: classical
genre: classical-era
isrc code: FRZ209506922
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:18:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x162e357b5ffe91065d61daf211d42640541015bbca3d212e06944742a86ce043
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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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/FRZ209506922
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x162e357b5ffe91065d61daf211d42640541015bbca3d212e06944742a86ce043. 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/FRZ209506922.
  date published: 2026-07-07T16:07:00Z
audio: Mozart: Die Zauberflöte, K. 620, Act 1: "Du feines Täubchen, nur herein!" (Monostatos, Pamina, Papageno)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.245
  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: 0.434
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.082
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.234
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.404
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Messager: Fortunio, Act 4: "Lorsque je n'étais qu'une enfant" (Jacqueline)
type: MusicRecording
duration: PT2M21S
duration ms: 141933
explicit: false
by artist: André Messager
by artist: John Eliot Gardiner
by artist: Colette Alliot-Lugaz
by artist: Orchestre de l'Opéra de Lyon
in album: Léon Bakst - A Life for the Stage
  type: MusicAlbum
  date published: 2025-01-21
isrc code: FRZ208707540
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T08:44:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe77100192adbbc5321cb9e28510cbf4a05c5a0940a01c482d325ed6a17cbe228
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 957046
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957046
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208707540
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:04:01Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe77100192adbbc5321cb9e28510cbf4a05c5a0940a01c482d325ed6a17cbe228. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208707540.
  date published: 2026-07-07T14:04:01Z
audio: Messager: Fortunio, Act 4: "Lorsque je n'étais qu'une enfant" (Jacqueline)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.964
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.31
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.942
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.069
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.618
  additional property: Key Name
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    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Rimsky-Korsakov: Sadko, Scene 4: Song of the Indian Guest (Version for Cello and Harp)
type: MusicRecording
duration: PT3M8S
duration ms: 188000
explicit: false
by artist: Nikolai Rimsky-Korsakov
by artist: Julian Lloyd Webber
by artist: Catrin Finch
in album: Léon Bakst - A Life for the Stage
  type: MusicAlbum
  date published: 2025-01-21
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: avant-garde
genre: russian-romanticism
isrc code: GBAYC0502345
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T04:29:06+00:00
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/956894
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0502345
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
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 0xd0063e9bb68e6c8eb8132bc0f47235e4a93dcb4f80e90e1f43c627ef7e5cc280. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/GBAYC0502345.
  date published: 2026-07-06T07:53:57Z
audio: Rimsky-Korsakov: Sadko, Scene 4: Song of the Indian Guest (Version for Cello and Harp)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.616
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.159
  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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    value: 0.054
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.648
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Strauss, R: Symphonic Fragment from Josephs-Legende: I. Allegro moderato
type: MusicRecording
duration: PT6M37S
duration ms: 397466
explicit: false
by artist: Richard Strauss
by artist: Rudolf Kempe
by artist: Staatskapelle Dresden
in album: Léon Bakst - A Life for the Stage
  type: MusicAlbum
  date published: 2025-01-21
genre: classical
genre: opera
genre: orchestra
isrc code: GBAYC2102368
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:03:24+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2102368
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
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  date published: 2026-07-08T03:20:19Z
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Boito: Mefistofele, Act 1: "Dai campi, dai prati" (Faust, Mefistofele)
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Borodin: Prince Igor, Act 2: Polovtsian Dances. "Uletai na kryliyakh vetra" (Chorus)
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  date published: 2026-07-08T03:20:19Z
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Gounod: Faust, Act 3: "Les grands seigneurs ont seuls des airs si résolus" - Air des bijoux. "Ah, je ris de me voir si belle" (Marguerite)
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  date published: 2026-07-08T03:20:19Z
audio: Gounod: Faust, Act 3: "Les grands seigneurs ont seuls des airs si résolus" - Air des bijoux. "Ah, je ris de me voir si belle" (Marguerite)
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Puccini: La bohème, Act 3: "Donde lieta uscì" (Mimì)
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Stravinsky: Mavra: Parasha's Song. "My Dear Friend" (Transcr. Rostropovich for Cello and Piano)
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Gluck: Orfeo ed Euridice, Wq. 30, Act 3: "Che fiero momento" (Euridice)
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Massenet: Thaïs, Act 2: "Celle qui vient est plus belle" (La Charmeuse, Crobyle, Myrtale)
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Tchaikovsky: Symphony No. 2 in C Minor, Op. 17 "Little Russian": IV. Moderato assai - Allegro vivo - Presto
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Mussorgsky / Arr Lloyd-Jones : Boris Godunov [Highlights] (Apex)
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Haydn: Mass in D Minor, Hob.XXII:11 "Nelsonmesse" - Bach: Magnificat in D Major, BWV 243
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value: 2026-07-08T03:22:41Z

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 0x9ac0c44ac0dc8e183dee947240d6acaabade7d8c12fede93806171a50e622087. 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/USSM11703153.
date published: 2026-07-08T03:22:41Z

Missa in B-Flat Major, Hob. XXII:14 "Harmoniemesse": VIb. Agnus Dei, Dona nobis pacem. Allegro con spirito - 2017 Remastered Version
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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Haydn: Missa in tempore belli; Missa in angustiis "Nelson" Mass
type: MusicAlbum
date published: 1969
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  type: MusicRecording
  duration: PT2M39S
  duration ms: 159733
  explicit: false
  by artist: Joseph Haydn
  by artist: Leonard Bernstein
  by artist: New York Philharmonic
  by artist: Norman Scribner Choir
  in album: Haydn: Missa in tempore belli; Missa in angustiis "Nelson" Mass
    type: MusicAlbum
    date published: 1969
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM17300567
  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 0x2bf8725cd8889b8c8e449feb4c7eb504adcf84a163f05d596cb1c603bb4dd94a. 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/USSM17300567.
    date published: 2026-07-08T03:53:27Z
  audio: Mass in C Major, Hob.XXII:9 "Paukenmesse": II. Gloria: Gloria in excelsis Deo. Vivace
    type: AudioObject
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    additional property: Musical Key
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track: Mass in C Major, Hob.XXII:9 "Paukenmesse": II. Gloria: Quoniam tu solus sanctus. Allegro
  type: MusicRecording
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  by artist: Joseph Haydn
  by artist: Leonard Bernstein
  by artist: New York Philharmonic
  by artist: Norman Scribner Choir
  by artist: Patricia Wells
  in album: Haydn: Missa in tempore belli; Missa in angustiis "Nelson" Mass
    type: MusicAlbum
    date published: 1969
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  additional property: CopyrightID
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    type: PropertyValue
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    type: PropertyValue
    value: https://blockstream.info/api/block-height/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM17300569
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  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 0xd49895d97ed670fe5982ba2b2d81369095a4c3d9926e9d5576f29222220004d7. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USSM17300569.
    date published: 2026-07-08T08:56:20Z
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track: Mass in C Major, Hob.XXII:9 "Paukenmesse": V. Benedictus. Andante
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  duration: PT6M29S
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  explicit: false
  by artist: Joseph Haydn
  by artist: Leonard Bernstein
  by artist: New York Philharmonic
  by artist: Norman Scribner Choir
  by artist: Gwendolyn Killebrew
  by artist: Michael Devlin
  by artist: Alan Titus
  in album: Haydn: Missa in tempore belli; Missa in angustiis "Nelson" Mass
    type: MusicAlbum
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  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Mass in C Major, Hob.XXII:9 "Paukenmesse": V. Benedictus. Andante
track: Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": II. Gloria: Gloria in excelsis Deo. Allegro
track: Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": II. Gloria: Quoniam tu solus sanctus. Allegro
track: Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": III. Credo: Et resurrexit. Vivace
track: Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": I. Kyrie. Allegro moderato
track: Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": II. Gloria: Qui tollis peccata mundi. Adagio
track: Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": III. Credo: Credo in unum Deum. Allegro con spirito
track: Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": III. Credo: Et incarnatus est. Largo
track: Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": IV. Sanctus: Adagio - Allegro
track: Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": VI. Agnus Dei. Adagio

CopyrightChainExplorerURL
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OTSHash
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OTSBitcoinBlock
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value: 957120

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957120

OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM17300575

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:22:41Z

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 0x38c61ae8dc4d40640623a6ee886477d0003562ee7506c304211f8134a4d8bffb. 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/USSM17300575.
date published: 2026-07-08T03:22:41Z

Mass in C Major, Hob.XXII:9 "Paukenmesse": V. Benedictus. Andante
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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: 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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additional property: Mode Name
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Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": II. Gloria: Gloria in excelsis Deo. Allegro
type: MusicRecording
duration: PT3M17S
duration ms: 197573
explicit: false
by artist: Joseph Haydn
by artist: Leonard Bernstein
by artist: New York Philharmonic
by artist: Westminster Choir
by artist: Gwendolyn Killebrew
by artist: Kenneth Riegel
by artist: Judith Blegen
by artist: Simon Estes
in album: Haydn: Missa in tempore belli; Missa in angustiis "Nelson" Mass
  type: MusicAlbum
  date published: 1969
isrc code: USSM10100955
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: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10100955
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa2a8fd027ba2c77abeb9bc064cfb5a0ad956bbe042540fa051f65269e3c08e5. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USSM10100955.
  date published: 2026-07-08T08:56:20Z
audio: Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": II. Gloria: Gloria in excelsis Deo. Allegro
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  additional property: Valence (Positivity)
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Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": II. Gloria: Quoniam tu solus sanctus. Allegro
type: MusicRecording
duration: PT2M36S
duration ms: 156400
explicit: false
by artist: Joseph Haydn
by artist: Leonard Bernstein
by artist: New York Philharmonic
by artist: Westminster Choir
by artist: Gwendolyn Killebrew
by artist: Kenneth Riegel
by artist: Judith Blegen
by artist: Simon Estes
in album: Haydn: Missa in tempore belli; Missa in angustiis "Nelson" Mass
  type: MusicAlbum
  date published: 1969
isrc code: USSM10100957
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
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10100957
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81800bff339265d94f48a64fda69cd8d7ba43b1c2df521f5c44176835cf8e715. 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/USSM10100957.
  date published: 2026-07-08T03:22:41Z
audio: Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": II. Gloria: Quoniam tu solus sanctus. Allegro
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  additional property: Valence (Positivity)
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Missa in Angustiis in D Minor, Hob.XXII: 11 "Nelsonmesse": III. Credo: Et resurrexit. Vivace
type: MusicRecording
duration: PT3M34S
duration ms: 214200
explicit: false
by artist: Joseph Haydn
by artist: Leonard Bernstein
by artist: New York Philharmonic
by artist: Westminster Choir
by artist: Gwendolyn Killebrew
by artist: Kenneth Riegel
by artist: Judith Blegen
by artist: Simon Estes
in album: Haydn: Missa in tempore belli; Missa in angustiis "Nelson" Mass
  type: MusicAlbum
  date published: 1969
isrc code: USSM10100960
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
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10100960
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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Choral Classics
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track: Symphony No. 2 "Resurrection": Ia. Allegro maestoso - Live
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

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  date published: 2026-07-08T03:53:27Z
audio: Symphony No. 2 "Resurrection": Ib. Sehr mässig und zurückhaltend - Live
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Symphony No. 2 "Resurrection": Ic. Schnell - Live
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duration: PT3M44S
duration ms: 224200
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by artist: Gustav Mahler
by artist: New York Philharmonic
by artist: Leonard Bernstein
in album: Bernstein: Mahler
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  date published: 2023-10-13
genre: classical
genre: orchestra
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additional property: OTSVerificationAPI
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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 0xc6268c27c862ef88ca629ac0536eb75853fe2ea055b2b5d9137a14c89dea60f6. 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/DEF058700001.
  date published: 2026-07-08T03:22:41Z
audio: Symphony No. 2 "Resurrection": Ic. Schnell - Live
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Symphony No. 2 "Resurrection": Id. Tempo I - Live
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duration: PT4M45S
duration ms: 285600
explicit: false
by artist: Gustav Mahler
by artist: New York Philharmonic
by artist: Leonard Bernstein
in album: Bernstein: Mahler
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  date published: 2023-10-13
genre: classical
genre: orchestra
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additional property: OTSBitcoinBlock
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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
  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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7faab342ac284b09f83dfa8efdf0eb9f33c5e76a96431ab1bb50002b9be88715. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEF058700002.
  date published: 2026-07-08T08:56:20Z
audio: Symphony No. 2 "Resurrection": Id. Tempo I - Live
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Symphony No. 2 "Resurrection": Ie. Tempo sostenuto - Live
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duration: PT3M32S
duration ms: 212840
explicit: false
by artist: Gustav Mahler
by artist: New York Philharmonic
by artist: Leonard Bernstein
in album: Bernstein: Mahler
  type: MusicAlbum
  date published: 2023-10-13
genre: classical
genre: orchestra
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 2 "Resurrection": Ie. Tempo sostenuto - Live
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Symphony No. 2 "Resurrection": IIa. Andante moderato. Sehr gemächlich - Live
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duration: PT1M44S
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explicit: false
by artist: Gustav Mahler
by artist: New York Philharmonic
by artist: Leonard Bernstein
in album: Bernstein: Mahler
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  date published: 2023-10-13
genre: classical
genre: orchestra
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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
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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 0xa2ac6ed1c751112b7fdbef36225a59070bf4f47d75be1ef89efca67f8163d5c0. 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/DEF058700004.
  date published: 2026-07-08T03:22:41Z
audio: Symphony No. 2 "Resurrection": IIa. Andante moderato. Sehr gemächlich - Live
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Symphony No. 2 "Resurrection": IIb. Nicht eilen. Sehr gemächlich - Live
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duration: PT1M48S
duration ms: 108466
explicit: false
by artist: Gustav Mahler
by artist: New York Philharmonic
by artist: Leonard Bernstein
in album: Bernstein: Mahler
  type: MusicAlbum
  date published: 2023-10-13
genre: classical
genre: orchestra
isrc code: DEF058700005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ddce68ea84bac238b663dde4befe4a3d22f1d72c06d362078e10cd5331e5c6b. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEF058700005.
  date published: 2026-07-08T08:56:20Z
audio: Symphony No. 2 "Resurrection": IIb. Nicht eilen. Sehr gemächlich - Live
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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Symphony No. 2 "Resurrection": IId. Energisch bewegt - Live
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duration: PT2M26S
duration ms: 146333
explicit: false
by artist: Gustav Mahler
by artist: New York Philharmonic
by artist: Leonard Bernstein
in album: Bernstein: Mahler
  type: MusicAlbum
  date published: 2023-10-13
genre: classical
genre: orchestra
isrc code: DEF058700007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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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
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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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  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 0xb15000cc9889a59502428fa091f2c0012b85cbf2fcc9d01877d7f8e09c371454. 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/DEF058700007.
  date published: 2026-07-08T03:22:41Z
audio: Symphony No. 2 "Resurrection": IId. Energisch bewegt - Live
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Valence (Positivity)
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Symphony No. 2 "Resurrection": IIe. Wieder ins Tempo zurückgehen - Live
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duration ms: 243000
explicit: false
by artist: Gustav Mahler
by artist: New York Philharmonic
by artist: Leonard Bernstein
in album: Bernstein: Mahler
  type: MusicAlbum
  date published: 2023-10-13
genre: classical
genre: orchestra
isrc code: DEF058700008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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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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  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: 2026-07-08T08:56:20Z
audio: Symphony No. 2 "Resurrection": IIe. Wieder ins Tempo zurückgehen - Live
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Symphony No. 2 "Resurrection": III. Scherzo: b. Sehr getragen und gesangvoll - Live
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duration: PT1M27S
duration ms: 87760
explicit: false
by artist: Gustav Mahler
by artist: New York Philharmonic
by artist: Leonard Bernstein
in album: Bernstein: Mahler
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  date published: 2023-10-13
genre: classical
genre: orchestra
isrc code: DEF058700011
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additional property: OTSBitcoinBlock
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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
  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 0xb678d11ac7d6d208b5382c706dfced375830a5591f70e39d720a5e3e7e077834. 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/DEF058700011.
  date published: 2026-07-08T03:22:41Z
audio: Symphony No. 2 "Resurrection": III. Scherzo: b. Sehr getragen und gesangvoll - Live
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Symphony No. 2 "Resurrection": III. Scherzo: c. Zum Tempo I zurückkehren - Live
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duration: PT4M56S
duration ms: 296266
explicit: false
by artist: Gustav Mahler
by artist: New York Philharmonic
by artist: Leonard Bernstein
in album: Bernstein: Mahler
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  date published: 2023-10-13
genre: classical
genre: orchestra
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additional property: CopyrightID
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additional property: OTSBitcoinBlock
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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/DEF058700012
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc531b847793da7ac6b8a030426ccb7ecadfe266887d31de1f14d0b4b8f0cd44b. 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/DEF058700012.
  date published: 2026-07-08T03:22:41Z
audio: Symphony No. 2 "Resurrection": III. Scherzo: c. Zum Tempo I zurückkehren - Live
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Symphony No. 2 "Resurrection": IV. Urlicht. O Röschen rot! - Live
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duration ms: 378506
explicit: false
by artist: Gustav Mahler
by artist: Christa Ludwig
by artist: New York Philharmonic
by artist: Leonard Bernstein
in album: Bernstein: Mahler
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  date published: 2023-10-13
genre: classical
genre: orchestra
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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
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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 0x03dded2df581555e9ad338d38a99ad60581600cebc52e65edcec85d08d7ba676. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEF058702504.
  date published: 2026-07-08T08:56:20Z
audio: Symphony No. 2 "Resurrection": IV. Urlicht. O Röschen rot! - Live
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Symphony No. 2 "Resurrection": V. Finale: c. Am Anfang sehr zurückgehalten - Live
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duration: PT1M19S
duration ms: 79426
explicit: false
by artist: Gustav Mahler
by artist: New York Philharmonic
by artist: Leonard Bernstein
in album: Bernstein: Mahler
  type: MusicAlbum
  date published: 2023-10-13
genre: classical
genre: orchestra
isrc code: DEF058700015
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: OTSBitcoinBlock
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfae41759ea9ceb785cc26cea300c2102c45074dad61fb0ae025b7b535280b8a0. 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/DEF058700015.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 2 "Resurrection": V. Finale: c. Am Anfang sehr zurückgehalten - Live
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  additional property: Mode (Major/Minor)
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Symphony No. 2 "Resurrection": V. Finale: d. Wieder sehr breit - Live
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duration: PT3M41S
duration ms: 221506
explicit: false
by artist: Gustav Mahler
by artist: New York Philharmonic
by artist: Leonard Bernstein
in album: Bernstein: Mahler
  type: MusicAlbum
  date published: 2023-10-13
genre: classical
genre: orchestra
isrc code: DEF058700016
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: 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
  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 0x2ca93c3cfa185ed065167c7a26f6ce49eb551e035ea6c6681225d01a348fabc5. 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/DEF058700016.
  date published: 2026-07-08T03:53:27Z
audio: Symphony No. 2 "Resurrection": V. Finale: d. Wieder sehr breit - Live
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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: Danceability
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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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Symphony No. 2 "Resurrection": V. Finale: e. Molto ritenuto. Maestoso - Live
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duration: PT4M15S
duration ms: 255933
explicit: false
by artist: Gustav Mahler
by artist: New York Philharmonic
by artist: Leonard Bernstein
in album: Bernstein: Mahler
  type: MusicAlbum
  date published: 2023-10-13
genre: classical
genre: orchestra
isrc code: DEF058700017
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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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
  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 0x9999454a3f39568cff3f84ecab119427870f283040ff48a689c4e7a2907b855d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEF058700017.
  date published: 2026-07-08T08:56:20Z
audio: Symphony No. 2 "Resurrection": V. Finale: e. Molto ritenuto. Maestoso - Live
  type: AudioObject
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  additional property: Mode (Major/Minor)
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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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Symphony No. 2 "Resurrection": V. Finale: f. Wieder zurückhaltend - Live
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duration: PT3M58S
duration ms: 238626
explicit: false
by artist: Gustav Mahler
by artist: New York Philharmonic
by artist: Leonard Bernstein
in album: Bernstein: Mahler
  type: MusicAlbum
  date published: 2023-10-13
genre: classical
genre: orchestra
isrc code: DEF058700018
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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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
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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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audio: Symphony No. 2 "Resurrection": V. Finale: f. Wieder zurückhaltend - Live
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Symphony No. 2 "Resurrection": V. Finale: h. Langsam. Misterioso Auferstehen, ja auferstehen wirst du gesät - Live
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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: Symphony No. 2 "Resurrection": V. Finale: h. Langsam. Misterioso Auferstehen, ja auferstehen wirst du gesät - Live
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Symphony No. 2 "Resurrection": V. Finale: i. Langsam. Nicht schleppen. Wieder aufzublühn wirst du gesät - Live
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by artist: Westminster Choir
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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: Symphony No. 2 "Resurrection": V. Finale: i. Langsam. Nicht schleppen. Wieder aufzublühn wirst du gesät - Live
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Symphony No. 2 "Resurrection": V. Finale: j. Etwas bewegter. O glaube, mein Herz, o glaube - Live
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by artist: New York Philharmonic
by artist: Leonard Bernstein
by artist: Westminster Choir
by artist: Joseph Flummerfelt
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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: Symphony No. 2 "Resurrection": V. Finale: j. Etwas bewegter. O glaube, mein Herz, o glaube - Live
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Symphony No. 2 "Resurrection": V. Finale: k. Mit Aufschwung, aber nicht eilen - Live
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by artist: New York Philharmonic
by artist: Leonard Bernstein
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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: Symphony No. 2 "Resurrection": V. Finale: k. Mit Aufschwung, aber nicht eilen - Live
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Symphony No. 3: Ic. Tempo I - Live
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by artist: New York Philharmonic
by artist: Leonard Bernstein
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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: Symphony No. 3: Ic. Tempo I - Live
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Symphony No. 3: If. Immer dasselbe Tempo. Marsch. Nicht eilen - Live
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by artist: New York Philharmonic
by artist: Leonard Bernstein
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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: Symphony No. 3: If. Immer dasselbe Tempo. Marsch. Nicht eilen - Live
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Mahler: The Symphonies
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date published: 2010-01-01
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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
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  by artist: Royal Concertgebouw Orchestra
  by artist: Leonard Bernstein
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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  subject of: OpenTimestamps Proof of Existence
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track: Symphony No. 2 in C minor - "Resurrection": 5: Im Tempo des Scherzo

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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 0x3acb5919c92bd5fc496ed778d7da29e0bd5a1eef3408f5f5bb227a415969b59a. 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/DEF058704186.
date published: 2026-07-08T03:22:41Z

Symphony No. 3 In D Minor / Part 2: 6. Langsam. Ruhevoll. Empfunden
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by artist: New York Philharmonic
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by artist: Westminster Choir
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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: Symphony No. 2 in C minor - "Resurrection": 5: Im Tempo des Scherzo
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Mahler: Symphonies Nos. 8 In E Flat - "Symphony Of A Thousand" & 10 In F Sharp (Unfinished) - Adagio [Live]
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date published: 1991-01-01
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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
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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
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track: Symphony No. 8 in E-Flat Major "Symphony of a Thousand", Pt. 1: V. Infirma nostri corporis II - Live
track: Symphony No. 8 in E-Flat Major "Symphony of a Thousand", Pt. 1: VI. Accende lumen sensibus - Live
track: Symphony No. 8 in E-Flat Major "Symphony of a Thousand", Pt. 1: VIII. Gloria sit Patri Domino - Live
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Mahler: Symphonies Nos. 8 In E Flat - "Symphony Of A Thousand" & 10 In F Sharp (Unfinished) - Adagio [Live]
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OTSVerificationAPI
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

Symphony No. 8 in E-Flat Major "Symphony of a Thousand", Pt. 1: II. Imple superna gratia - Live
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Symphony No. 8 in E-Flat Major "Symphony of a Thousand", Pt. 1: V. Infirma nostri corporis II - Live
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  date published: 2026-07-08T03:53:27Z
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Symphony No. 8 in E-Flat Major "Symphony of a Thousand", Pt. 1: VI. Accende lumen sensibus - Live
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  date published: 2026-07-08T08:56:20Z
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Symphony No. 8 in E-Flat Major "Symphony of a Thousand", Pt. 1: VIII. Gloria sit Patri Domino - Live
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  date published: 2026-07-08T08:56:20Z
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