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genre: choral
genre: opera
description: Marlis Petersen (born 3 February 1968) is a German operatic coloratura soprano. Career Born in Sindelfingen, Baden-Württemberg, on 3 February 1968, Marlis Petersen won several piano competitions befo
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album: Jörg Widmann: Arche (Live at Elbphilharmonie, Hamburg / 2017)
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album: Widmann: Arche: 5. Dona nobis pacem (Live at Elbphilharmonie, Hamburg / 2017)
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album: Beethoven: Leonore
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  date published: 2019-11-29
  track: Leonore, Op. 72a: Ouverture (II)
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    by artist: Freiburger Barockorchester
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album: Schubert: Lieder & Vocal Quartets
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  date published: 2013-04-22
  track: Die Geselligkeit, D. 609
  track: Der Tanz, D. 826
album: Schumann: Spanische Liebeslieder, Op. 138
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  track: Spanisches Liederspiel, Op. 74: III. Liebesgram
  track: Spanisches Liederspiel, Op. 74: VI. Melancholie
  track: Spanisches Liederspiel, Op. 74: VIII. Botschaft
  track: Spanisches Liederspiel, Op. 74: IX. Ich bin geliebt
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  track: Spanische Liebeslieder, Op. 138: X. Quartett: "Dunkler Lichtglanz"
  track: Spanisches Liederspiel, Op. 74: IV. In der Nacht
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  track: Spanisches Liederspiel, Op. 74: II. Intermezzo
  track: Spanisches Liederspiel, Op. 74: V. Es ist verraten
  track: Spanische Liebeslieder, Op. 138: IX. Duett "Blaue Augen hat das Mädchen"
album: Brahms: Liebesliederwalzer & Neue Liebeslieder
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  track: Liebesliederwalzer, Op. 52: II. Am Gesteine rauscht die Flut
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  track: Liebesliederwalzer, Op. 52: VI. Ein kleiner, hübscher Vogel
  track: Liebesliederwalzer, Op. 52: VII. Wohl schön bewandt
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  track: Liebesliederwalzer, Op. 52: IX. Am Donaustrande
  track: Liebesliederwalzer, Op. 52: XIII. Vögelein durchrauscht die Luft
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  track: Drei Lieder, Op. 64: I. An die Heimat
  track: Drei Lieder, Op. 64: II. Der Abend
  track: Neue Liebeslieder, Op. 65: III. An jeder Hand die Finger
  track: Neue Liebeslieder, Op. 65: VI. Rosen steckt mir an die Mutter
  track: Neue Liebeslieder, Op. 65: XV. Zum Schluß
  track: Liebesliederwalzer, Op. 52: I. Rede, Mädchen, allzu liebes
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  track: Liebesliederwalzer, Op. 52: VIII. Wenn so lind dein Auge mir
  track: Liebesliederwalzer, Op. 52: X. O wie sanft die Quelle sich
  track: Liebesliederwalzer, Op. 52: XI. Nein, es ist nicht auszukommen
  track: Liebesliederwalzer, Op. 52: XII. Schlosser auf, und mache Schlösser
  track: Liebesliederwalzer, Op. 52: XV. Nachtigall, sie singt so schön
  track: Liebesliederwalzer, Op. 52: XVIII. Lebhaft en si bémol mineur
  track: Drei Lieder, Op. 64: III. Fragen
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  track: Neue Liebeslieder, Op. 65: II. Finstere Schatten der Nacht
  track: Neue Liebeslieder, Op. 65: VII. Vom Gebirge Well auf Well
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  track: Neue Liebeslieder, Op. 65: XII. Schwarzer Wald, dein Schatten ist so düster
  track: Neue Liebeslieder, Op. 65: XIII. Nein, Geliebter, setze dich
  track: Neue Liebeslieder, Op. 65: XIV. Flammenauge, dunkles Haar
album: Schumann & Brahms: Vocal Quartets
album: Pergolesi: Messa in Re Maggiore & Mottetto "Dignas laudes resonemus"
album: Beethoven: Symphony No. 9
album: Sacred Masterpieces Stuttgart Gachinger Kantorei, Stuttgart Bach Collegium, Rilling
album: harmonia mundi Autumn-Winter 2019
album: Lehár: Die lustige Witwe (Live)
album: Beethoven: Missa solemnis
album: Brahms: Ein deutsches Requiem (Arr. for Voices and 2 Pianos)
album: Mendelssohn: Elias, Op. 70, MWV A25 (Live)
album: Bach: Mass in B minor
album: Anniversary Series, Vol. 9: The Most Beautiful Concert Highlights from Maulbronn Monastery, 2006 (Live)
album: Mendelssohn: Sacred Works
album: Goethe-Lieder: Das ewig-weibliche
album: Bach: Congratulatory & Hommage Cantatas
album: Bach, J.S.: Secular Cantatas, Bwv 206-207
album: Dimensionen: Anderswelt
album: Mendelssohn, Felix: Psalms 42, 98, 114, 115
album: Braunfels: Lieder
album: Poulenc: Stabat Mater - Les Biches
album: Mozart: Der Messias K. 572 - Handel's English Oratorio Messiah HWV 56, arranged by Mozart (Complete recording, performed according to the traditions of the time)
album: Meistersaal Sessions / Vol. 1: Romantic Chamber Music
album: Dimension: New World
album: Dimensionen: Innenwelt
album: Dimensionen Welt
album: Mozart: Die Zauberflöte ((The Magic Flute): Famous Scenes
album: Mahler: Symphony No. 2 in C Minor, "Resurrection" (Arrangement for Small Orchestra)
album: Paradisi Gloria 21 (Live)
album: Vincero - New Wonderful Melodies
album: O Sole Mio - Classical & Modern Music Cross Over (Remixe)
album: R. Strauss: Mädchenblumen Op. 22: IV. Wasserrose (Arr. for Chamber Ensemble by Eberhard Kloke)
album: Beautiful Melodies, Vol. 1 (Compilation)
album: Mozart: Die Zauberflöte (The Magic Flute)
album: Haydn: Die Jahreszeiten

Die Geselligkeit, D. 609
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audio: Die Geselligkeit, D. 609
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Der Tanz, D. 826
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Spanisches Liederspiel, Op. 74: III. Liebesgram
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  date published: 2026-07-08T03:53:27Z
audio: Spanisches Liederspiel, Op. 74: III. Liebesgram
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Spanisches Liederspiel, Op. 74: VI. Melancholie
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duration: PT2M5S
duration ms: 125320
explicit: false
by artist: Robert Schumann
by artist: Marlis Petersen
by artist: Anke Vondung
by artist: Christoph Berner
in album: Schumann: Spanische Liebeslieder, Op. 138
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  date published: 2010-09-21
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Spanisches Liederspiel, Op. 74: VI. Melancholie
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Spanisches Liederspiel, Op. 74: VIII. Botschaft
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duration: PT4M14S
duration ms: 254853
explicit: false
by artist: Robert Schumann
by artist: Marlis Petersen
by artist: Anke Vondung
by artist: Christoph Berner
in album: Schumann: Spanische Liebeslieder, Op. 138
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  date published: 2010-09-21
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Spanisches Liederspiel, Op. 74: VIII. Botschaft
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Spanisches Liederspiel, Op. 74: IX. Ich bin geliebt
type: MusicRecording
duration: PT3M24S
duration ms: 204853
explicit: false
by artist: Robert Schumann
by artist: Marlis Petersen
by artist: Anke Vondung
by artist: Werner Güra
by artist: Konrad Jarnot
by artist: Christoph Berner
in album: Schumann: Spanische Liebeslieder, Op. 138
  type: MusicAlbum
  date published: 2010-09-21
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: FRZ140913090
additional property: CopyrightID
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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/FRZ140913090
additional property: OTSTimestamp
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  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Spanisches Liederspiel, Op. 74: IX. Ich bin geliebt
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Spanisches Liederspiel, Op. 74: X. Anhang: Der Contrabandiste
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duration: PT1M54S
duration ms: 114466
explicit: false
by artist: Robert Schumann
by artist: Konrad Jarnot
by artist: Marlis Petersen
by artist: Anke Vondung
by artist: Christoph Berner
in album: Schumann: Spanische Liebeslieder, Op. 138
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genre: classical
genre: classical-piano
genre: chamber-music
isrc code: FRZ140913100
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
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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/FRZ140913100
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Spanisches Liederspiel, Op. 74: X. Anhang: Der Contrabandiste
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Spanische Liebeslieder, Op. 138: II. Lied "Tief im Herzen trag' ich Pein"
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duration: PT2M11S
duration ms: 131160
explicit: false
by artist: Robert Schumann
by artist: Marlis Petersen
by artist: Anke Vondung
by artist: Christoph Berner
by artist: Camillo Radicke
in album: Schumann: Spanische Liebeslieder, Op. 138
  type: MusicAlbum
  date published: 2010-09-21
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: FRZ140913200
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-07T09:27:55+00:00
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/FRZ140913200
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Spanische Liebeslieder, Op. 138: II. Lied "Tief im Herzen trag' ich Pein"
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Spanische Liebeslieder, Op. 138: IV. Duett "Bedeckt mich mit Blumen"
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duration: PT2M25S
duration ms: 145773
explicit: false
by artist: Robert Schumann
by artist: Konrad Jarnot
by artist: Anke Vondung
by artist: Marlis Petersen
by artist: Christoph Berner
by artist: Camillo Radicke
in album: Schumann: Spanische Liebeslieder, Op. 138
  type: MusicAlbum
  date published: 2010-09-21
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: FRZ140913220
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
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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/FRZ140913220
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Spanische Liebeslieder, Op. 138: IV. Duett "Bedeckt mich mit Blumen"
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Spanische Liebeslieder, Op. 138: VII. Lied "Weh, wie zornig ist das Mädchen"
type: MusicRecording
duration: PT1M37S
duration ms: 97613
explicit: false
by artist: Robert Schumann
by artist: Werner Güra
by artist: Marlis Petersen
by artist: Anke Vondung
by artist: Christoph Berner
by artist: Camillo Radicke
in album: Schumann: Spanische Liebeslieder, Op. 138
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genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Spanische Liebeslieder, Op. 138: VII. Lied "Weh, wie zornig ist das Mädchen"
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Spanische Liebeslieder, Op. 138: VIII. Lied "Hoch, hoch sind die Berge"
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duration: PT2M7S
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by artist: Robert Schumann
by artist: Anke Vondung
by artist: Marlis Petersen
by artist: Christoph Berner
by artist: Camillo Radicke
in album: Schumann: Spanische Liebeslieder, Op. 138
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genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:39:04Z
audio: Spanische Liebeslieder, Op. 138: VIII. Lied "Hoch, hoch sind die Berge"
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Spanische Liebeslieder, Op. 138: X. Quartett: "Dunkler Lichtglanz"
type: MusicRecording
duration: PT2M26S
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explicit: false
by artist: Robert Schumann
by artist: Marlis Petersen
by artist: Anke Vondung
by artist: Konrad Jarnot
by artist: Werner Güra
by artist: Christoph Berner
by artist: Camillo Radicke
in album: Schumann: Spanische Liebeslieder, Op. 138
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genre: classical
genre: classical-piano
genre: chamber-music
isrc code: FRZ140913280
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Spanische Liebeslieder, Op. 138: X. Quartett: "Dunkler Lichtglanz"
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Spanisches Liederspiel, Op. 74: IV. In der Nacht
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by artist: Robert Schumann
by artist: Marlis Petersen
by artist: Werner Güra
by artist: Anke Vondung
by artist: Christoph Berner
in album: Schumann: Spanische Liebeslieder, Op. 138
  type: MusicAlbum
  date published: 2010-09-21
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dc5bf982466cbd39bcef0d720c8fbaf748be916d6381e9b6d4f8b3037341c0b. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T20:50:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140913040.
  date published: 2026-07-22T20:50:22Z
audio: Spanisches Liederspiel, Op. 74: IV. In der Nacht
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isrc code: FRZ140913040
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Spanisches Liederspiel, Op. 74: I. Erste Begegnung
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duration: PT2M15S
duration ms: 135613
explicit: false
by artist: Robert Schumann
by artist: Marlis Petersen
by artist: Anke Vondung
by artist: Christoph Berner
in album: Schumann: Spanische Liebeslieder, Op. 138
  type: MusicAlbum
  date published: 2010-09-21
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc168953cb019416ce45053b9407eccdcb7967f694fb6ae5f24ea0d5ea5009ee3. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140913010.
  date published: 2026-07-30T22:27:30Z
audio: Spanisches Liederspiel, Op. 74: I. Erste Begegnung
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Spanisches Liederspiel, Op. 74: II. Intermezzo
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duration: PT1M15S
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by artist: Robert Schumann
by artist: Werner Güra
by artist: Konrad Jarnot
by artist: Marlis Petersen
by artist: Anke Vondung
by artist: Christoph Berner
in album: Schumann: Spanische Liebeslieder, Op. 138
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genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T05:17:02Z
audio: Spanisches Liederspiel, Op. 74: II. Intermezzo
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Spanisches Liederspiel, Op. 74: V. Es ist verraten
type: MusicRecording
duration: PT2M29S
duration ms: 149293
explicit: false
by artist: Robert Schumann
by artist: Marlis Petersen
by artist: Anke Vondung
by artist: Werner Güra
by artist: Konrad Jarnot
by artist: Christoph Berner
in album: Schumann: Spanische Liebeslieder, Op. 138
  type: MusicAlbum
  date published: 2010-09-21
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78b5a5ba07ac23cb8ab9f5e4f24f28a598fa62f14adf390bfac5c964b64b590f. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/FRZ140913050.
  date published: 2026-07-30T11:13:28Z
audio: Spanisches Liederspiel, Op. 74: V. Es ist verraten
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.977
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.462
  additional property: Energy
    type: PropertyValue
    value: 0.208
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.129
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.339
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.507
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140913050
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960250
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T11:13:28+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140913050
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960250
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960250
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T11:13:28+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Spanische Liebeslieder, Op. 138: IX. Duett "Blaue Augen hat das Mädchen"
type: MusicRecording
duration: PT1M51S
duration ms: 111186
explicit: false
by artist: Robert Schumann
by artist: Werner Güra
by artist: Konrad Jarnot
by artist: Marlis Petersen
by artist: Anke Vondung
by artist: Christoph Berner
by artist: Camillo Radicke
in album: Schumann: Spanische Liebeslieder, Op. 138
  type: MusicAlbum
  date published: 2010-09-21
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9c1c20052e233c39251689780db66daa5fe0acdeae88207499e511adf325973. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140913270.
  date published: 2026-07-31T19:53:13Z
audio: Spanische Liebeslieder, Op. 138: IX. Duett "Blaue Augen hat das Mädchen"
  type: AudioObject
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    value: 123.957
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.613
  additional property: Energy
    type: PropertyValue
    value: 0.27
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.158
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.406
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.469
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140913270
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960455
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T19:53:13+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140913270
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Liebesliederwalzer, Op. 52: II. Am Gesteine rauscht die Flut
type: MusicRecording
duration: PT0M44S
duration ms: 44933
explicit: false
by artist: Johannes Brahms
by artist: Georg Friedrich Daumer
by artist: Christoph Berner
by artist: Camillo Radicke
by artist: Marlis Petersen
by artist: Konrad Jarnot
by artist: Werner Güra
by artist: Stella Doufexis
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 4
genre: classical
genre: german-romanticism
genre: late-romantic-era
isrc code: FRZ140617020
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:35:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2ec278489d3ef19838300544d464c175c2c51aef0c7c26d0708075cd4fb8d0d4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617020
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957073
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-07T18:39:05+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ec278489d3ef19838300544d464c175c2c51aef0c7c26d0708075cd4fb8d0d4. 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/FRZ140617020.
  date published: 2026-07-07T18:39:05Z
audio: Liebesliederwalzer, Op. 52: II. Am Gesteine rauscht die Flut
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 173.086
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.348
  additional property: Energy
    type: PropertyValue
    value: 0.48
  additional property: Speechiness
    type: PropertyValue
    value: 0.086
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.501
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.198
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.502
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Liebesliederwalzer, Op. 52: V. Die grüne Hopfenranke
type: MusicRecording
duration: PT1M34S
duration ms: 94800
explicit: false
by artist: Johannes Brahms
by artist: Georg Friedrich Daumer
by artist: Werner Güra
by artist: Stella Doufexis
by artist: Marlis Petersen
by artist: Christoph Berner
by artist: Camillo Radicke
by artist: Konrad Jarnot
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 3
genre: classical
genre: german-romanticism
genre: late-romantic-era
isrc code: FRZ140617050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:43:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfff2322d06177dfce8e47ca11372c9f9fffa18557b20c15d158bf50c05793dcc
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/FRZ140617050
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfff2322d06177dfce8e47ca11372c9f9fffa18557b20c15d158bf50c05793dcc. 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/FRZ140617050.
  date published: 2026-07-08T03:20:19Z
audio: Liebesliederwalzer, Op. 52: V. Die grüne Hopfenranke
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.982
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.38
  additional property: Energy
    type: PropertyValue
    value: 0.099
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.179
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.173
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Liebesliederwalzer, Op. 52: VI. Ein kleiner, hübscher Vogel
type: MusicRecording
duration: PT2M27S
duration ms: 147333
explicit: false
by artist: Johannes Brahms
by artist: Marlis Petersen
by artist: Konrad Jarnot
by artist: Camillo Radicke
by artist: Werner Güra
by artist: Christoph Berner
by artist: Stella Doufexis
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 5
genre: classical
genre: german-romanticism
genre: late-romantic-era
isrc code: FRZ140617060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T08:09:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x66bf5656fbdd7d7d7520faa320427cade79ca24543317ed7ca81d3c60dbe02fb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617060
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957073
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-07T18:39:05+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66bf5656fbdd7d7d7520faa320427cade79ca24543317ed7ca81d3c60dbe02fb. 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/FRZ140617060.
  date published: 2026-07-07T18:39:05Z
audio: Liebesliederwalzer, Op. 52: VI. Ein kleiner, hübscher Vogel
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.612
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.491
  additional property: Energy
    type: PropertyValue
    value: 0.119
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.011
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.344
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.53
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Liebesliederwalzer, Op. 52: IX. Am Donaustrande
type: MusicRecording
duration: PT2M6S
duration ms: 126800
explicit: false
by artist: Johannes Brahms
by artist: Georg Friedrich Daumer
by artist: Stella Doufexis
by artist: Werner Güra
by artist: Christoph Berner
by artist: Marlis Petersen
by artist: Konrad Jarnot
by artist: Camillo Radicke
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 3
genre: classical
genre: german-romanticism
genre: late-romantic-era
isrc code: FRZ140617090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:24:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe54f5831e39d0e1eb5ddc99b9084b3622c2181ed337d46b1ac7763bdbff82661
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957041
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957041
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617090
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T13:25:45+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957041
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-07T13:25:45+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe54f5831e39d0e1eb5ddc99b9084b3622c2181ed337d46b1ac7763bdbff82661. Chain 2 (Bitcoin): anchored in block 957043 (2026-07-07T13:52:39Z), 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/FRZ140617090.
  date published: 2026-07-07T13:52:39Z
audio: Liebesliederwalzer, Op. 52: IX. Am Donaustrande
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.153
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.4
  additional property: Energy
    type: PropertyValue
    value: 0.123
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.008
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.273
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.41
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Liebesliederwalzer, Op. 52: XIII. Vögelein durchrauscht die Luft
type: MusicRecording
duration: PT0M44S
duration ms: 44533
explicit: false
by artist: Johannes Brahms
by artist: Georg Friedrich Daumer
by artist: Marlis Petersen
by artist: Christoph Berner
by artist: Camillo Radicke
by artist: Stella Doufexis
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 3
genre: classical
genre: german-romanticism
genre: late-romantic-era
isrc code: FRZ140617130
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:49:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6d18c921337321ec0b30772cc66308414ec4f8874dee0fa6b328cb97b81f9265
additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/FRZ140617130
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d18c921337321ec0b30772cc66308414ec4f8874dee0fa6b328cb97b81f9265. 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/FRZ140617130.
  date published: 2026-07-08T03:53:27Z
audio: Liebesliederwalzer, Op. 52: XIII. Vögelein durchrauscht die Luft
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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: Mode Name
    type: PropertyValue
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Liebesliederwalzer, Op. 52: XVI. Ein dunkeler Schacht ist Liebe
type: MusicRecording
duration: PT1M15S
duration ms: 75066
explicit: false
by artist: Johannes Brahms
by artist: Georg Friedrich Daumer
by artist: Christoph Berner
by artist: Stella Doufexis
by artist: Camillo Radicke
by artist: Konrad Jarnot
by artist: Marlis Petersen
by artist: Werner Güra
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 2
genre: classical
genre: german-romanticism
genre: late-romantic-era
isrc code: FRZ140617160
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-07T00:23:53+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xd5779614fa6dc49913b13d4b6fc967f0b0e0e2efe0e82d77a108211a912d188b
additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/FRZ140617160
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5779614fa6dc49913b13d4b6fc967f0b0e0e2efe0e82d77a108211a912d188b. 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/FRZ140617160.
  date published: 2026-07-08T03:53:27Z
audio: Liebesliederwalzer, Op. 52: XVI. Ein dunkeler Schacht ist Liebe
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  additional property: Musical Key
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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
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.573
  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Drei Lieder, Op. 64: I. An die Heimat
type: MusicRecording
duration: PT5M5S
duration ms: 305466
explicit: false
by artist: Johannes Brahms
by artist: Konrad Jarnot
by artist: Werner Güra
by artist: Stella Doufexis
by artist: Marlis Petersen
by artist: Christoph Berner
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 1
genre: classical
genre: german-romanticism
genre: late-romantic-era
isrc code: FRZ140617190
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:40:32+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x6ef9f4a4955c5ee5e483c8ff8d4557704df4833ade8acedb4c178150bca5c72f
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/FRZ140617190
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ef9f4a4955c5ee5e483c8ff8d4557704df4833ade8acedb4c178150bca5c72f. 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/FRZ140617190.
  date published: 2026-07-08T03:22:41Z
audio: Drei Lieder, Op. 64: I. An die Heimat
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 111.911
  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
    value: 0.266
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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    value: -24.248
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Drei Lieder, Op. 64: II. Der Abend
type: MusicRecording
duration: PT4M32S
duration ms: 272133
explicit: false
by artist: Johannes Brahms
by artist: Friedrich Schiller
by artist: Marlis Petersen
by artist: Werner Güra
by artist: Konrad Jarnot
by artist: Stella Doufexis
by artist: Christoph Berner
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 1
genre: classical
genre: german-romanticism
genre: late-romantic-era
isrc code: FRZ140617200
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:58:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe629ea291bf8cab3e9529d7a8c881b7e5740ec8f1f622f65631f933f8330ac7b
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/FRZ140617200
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe629ea291bf8cab3e9529d7a8c881b7e5740ec8f1f622f65631f933f8330ac7b. 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/FRZ140617200.
  date published: 2026-07-08T03:53:27Z
audio: Drei Lieder, Op. 64: II. Der Abend
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  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.074
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.052
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.508
  additional property: Key Name
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    type: PropertyValue
    value: Minor

Neue Liebeslieder, Op. 65: III. An jeder Hand die Finger
type: MusicRecording
duration: PT1M22S
duration ms: 82933
explicit: false
by artist: Johannes Brahms
by artist: Camillo Radicke
by artist: Marlis Petersen
by artist: Christoph Berner
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 1
genre: classical
genre: german-romanticism
genre: late-romantic-era
isrc code: FRZ140617240
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:46:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4febeaf900fa357adcfa6da2fd6064bb56538ad8305423a35c2aab987dace36f
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/FRZ140617240
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4febeaf900fa357adcfa6da2fd6064bb56538ad8305423a35c2aab987dace36f. 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/FRZ140617240.
  date published: 2026-07-08T03:22:41Z
audio: Neue Liebeslieder, Op. 65: III. An jeder Hand die Finger
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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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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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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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    value: 0.197
  additional property: Loudness (dB)
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    type: PropertyValue
    value: Minor

Neue Liebeslieder, Op. 65: VI. Rosen steckt mir an die Mutter
type: MusicRecording
duration: PT1M1S
duration ms: 61866
explicit: false
by artist: Johannes Brahms
by artist: Christoph Berner
by artist: Marlis Petersen
by artist: Camillo Radicke
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 1
genre: classical
genre: german-romanticism
genre: late-romantic-era
isrc code: FRZ140617270
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:18:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x23a07660ed9de62ef11604725f2ea662ae31c0f0d9c963cfeef384ec0ace4ddc
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/FRZ140617270
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23a07660ed9de62ef11604725f2ea662ae31c0f0d9c963cfeef384ec0ace4ddc. 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/FRZ140617270.
  date published: 2026-07-08T03:53:27Z
audio: Neue Liebeslieder, Op. 65: VI. Rosen steckt mir an die Mutter
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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: 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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Neue Liebeslieder, Op. 65: XV. Zum Schluß
type: MusicRecording
duration: PT2M51S
duration ms: 171066
explicit: false
by artist: Johannes Brahms
by artist: Camillo Radicke
by artist: Christoph Berner
by artist: Werner Güra
by artist: Marlis Petersen
by artist: Konrad Jarnot
by artist: Stella Doufexis
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 1
genre: classical
genre: german-romanticism
genre: late-romantic-era
isrc code: FRZ140617360
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:18:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x035fb63a2055c40cadbbbdc3118f5fed5a897582d80757fc638244d44131892c
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/FRZ140617360
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x035fb63a2055c40cadbbbdc3118f5fed5a897582d80757fc638244d44131892c. 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/FRZ140617360.
  date published: 2026-07-08T03:22:41Z
audio: Neue Liebeslieder, Op. 65: XV. Zum Schluß
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 167.982
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.194
  additional property: Energy
    type: PropertyValue
    value: 0.126
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.109
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.248
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Liebesliederwalzer, Op. 52: I. Rede, Mädchen, allzu liebes
type: MusicRecording
duration: PT1M16S
duration ms: 76133
explicit: false
by artist: Johannes Brahms
by artist: Camillo Radicke
by artist: Marlis Petersen
by artist: Werner Güra
by artist: Konrad Jarnot
by artist: Christoph Berner
by artist: Stella Doufexis
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 5
genre: classical
genre: german-romanticism
genre: late-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6984306427e17262f60251a614f01adda1bd0064bfecd2ad9681faf2cfa137b9. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/FRZ140617010.
  date published: 2026-07-29T12:41:21Z
audio: Liebesliederwalzer, Op. 52: I. Rede, Mädchen, allzu liebes
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.385
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.462
  additional property: Energy
    type: PropertyValue
    value: 0.227
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.538
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.47
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.638
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140617010
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960106
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T12:41:21+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617010
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960106
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960106
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T12:41:21+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Liebesliederwalzer, Op. 52: IV. Wie des Abends schöne Röte
type: MusicRecording
duration: PT0M47S
duration ms: 47066
explicit: false
by artist: Johannes Brahms
by artist: Christoph Berner
by artist: Camillo Radicke
by artist: Marlis Petersen
by artist: Stella Doufexis
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 3
genre: classical
genre: german-romanticism
genre: late-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eedc0c0400b186cde95d57331e4701d6814f0c9034c57e0439a461388c61712. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617040.
  date published: 2026-07-29T19:35:34Z
audio: Liebesliederwalzer, Op. 52: IV. Wie des Abends schöne Röte
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.992
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.362
  additional property: Energy
    type: PropertyValue
    value: 0.198
  additional property: Speechiness
    type: PropertyValue
    value: 0.069
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.219
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.13
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.111
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140617040
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960138
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617040
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Liebesliederwalzer, Op. 52: VIII. Wenn so lind dein Auge mir
type: MusicRecording
duration: PT1M24S
duration ms: 84000
explicit: false
by artist: Johannes Brahms
by artist: Georg Friedrich Daumer
by artist: Werner Güra
by artist: Konrad Jarnot
by artist: Camillo Radicke
by artist: Christoph Berner
by artist: Stella Doufexis
by artist: Marlis Petersen
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 4
genre: classical
genre: german-romanticism
genre: late-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa34ba845f60827d6fd7fd4143b5d93f4b733b41716efda94681e5ee6146fda6. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617080.
  date published: 2026-07-29T19:35:34Z
audio: Liebesliederwalzer, Op. 52: VIII. Wenn so lind dein Auge mir
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.713
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.237
  additional property: Energy
    type: PropertyValue
    value: 0.203
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.377
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.603
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140617080
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960138
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617080
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Liebesliederwalzer, Op. 52: X. O wie sanft die Quelle sich
type: MusicRecording
duration: PT0M58S
duration ms: 58533
explicit: false
by artist: Johannes Brahms
by artist: Georg Friedrich Daumer
by artist: Werner Güra
by artist: Camillo Radicke
by artist: Stella Doufexis
by artist: Konrad Jarnot
by artist: Marlis Petersen
by artist: Christoph Berner
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 3
genre: classical
genre: german-romanticism
genre: late-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa78fecf0671be8d969e0f33a91159e79fd719afa93c128713e0b1348ad1d7007. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617100.
  date published: 2026-07-30T09:37:10Z
audio: Liebesliederwalzer, Op. 52: X. O wie sanft die Quelle sich
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 161.251
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.237
  additional property: Energy
    type: PropertyValue
    value: 0.197
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.542
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.538
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140617100
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960236
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T09:37:10+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617100
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960236
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960236
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:37:10+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Liebesliederwalzer, Op. 52: XI. Nein, es ist nicht auszukommen
type: MusicRecording
duration: PT0M53S
duration ms: 53866
explicit: false
by artist: Johannes Brahms
by artist: Georg Friedrich Daumer
by artist: Marlis Petersen
by artist: Camillo Radicke
by artist: Konrad Jarnot
by artist: Stella Doufexis
by artist: Werner Güra
by artist: Christoph Berner
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 4
genre: classical
genre: german-romanticism
genre: late-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0dd94a563328e913a626a3d9b1f4579aab7136678a9f4ba2bdeeaaa707e401a. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617110.
  date published: 2026-07-29T19:35:34Z
audio: Liebesliederwalzer, Op. 52: XI. Nein, es ist nicht auszukommen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.21
  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: 0.589
  additional property: Energy
    type: PropertyValue
    value: 0.382
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.079
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.819
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.472
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FRZ140617110
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960138
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617110
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Liebesliederwalzer, Op. 52: XII. Schlosser auf, und mache Schlösser
type: MusicRecording
duration: PT0M42S
duration ms: 42266
explicit: false
by artist: Johannes Brahms
by artist: Camillo Radicke
by artist: Marlis Petersen
by artist: Christoph Berner
by artist: Stella Doufexis
by artist: Konrad Jarnot
by artist: Werner Güra
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 3
genre: classical
genre: german-romanticism
genre: late-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa66183e80144d744a78c7a4a1546e6a111611812bb7079fa26e737af249a8196. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/FRZ140617120.
  date published: 2026-07-29T11:07:37Z
audio: Liebesliederwalzer, Op. 52: XII. Schlosser auf, und mache Schlösser
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.366
  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: 0.473
  additional property: Energy
    type: PropertyValue
    value: 0.438
  additional property: Speechiness
    type: PropertyValue
    value: 0.07
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.051
  additional property: Liveness
    type: PropertyValue
    value: 0.284
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.697
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.1
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FRZ140617120
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960095
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T11:07:37+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617120
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960095
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960095
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T11:07:37+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Liebesliederwalzer, Op. 52: XV. Nachtigall, sie singt so schön
type: MusicRecording
duration: PT1M9S
duration ms: 69066
explicit: false
by artist: Johannes Brahms
by artist: Christoph Berner
by artist: Konrad Jarnot
by artist: Werner Güra
by artist: Stella Doufexis
by artist: Camillo Radicke
by artist: Marlis Petersen
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 3
genre: classical
genre: german-romanticism
genre: late-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25c12afee3e477de92227cd9099b38ac536e399042fd6068175730e090a23e83. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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/FRZ140617150.
  date published: 2026-07-29T13:21:01Z
audio: Liebesliederwalzer, Op. 52: XV. Nachtigall, sie singt so schön
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.315
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.33
  additional property: Energy
    type: PropertyValue
    value: 0.178
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.054
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.726
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140617150
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960111
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T13:21:01+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617150
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960111
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960111
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T13:21:01+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Liebesliederwalzer, Op. 52: XVIII. Lebhaft en si bémol mineur
type: MusicRecording
duration: PT1M29S
duration ms: 89733
explicit: false
by artist: Johannes Brahms
by artist: Marlis Petersen
by artist: Werner Güra
by artist: Stella Doufexis
by artist: Konrad Jarnot
by artist: Christoph Berner
by artist: Camillo Radicke
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 2
genre: classical
genre: german-romanticism
genre: late-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92257cda12239bc445069ca1100186134de0cb34437c3b2658ce2027f4cde993. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617180.
  date published: 2026-07-30T15:42:38Z
audio: Liebesliederwalzer, Op. 52: XVIII. Lebhaft en si bémol mineur
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.999
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.387
  additional property: Energy
    type: PropertyValue
    value: 0.187
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.394
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.442
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140617180
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960273
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T15:42:38+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617180
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960273
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960273
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T15:42:38+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Drei Lieder, Op. 64: III. Fragen
type: MusicRecording
duration: PT3M2S
duration ms: 182133
explicit: false
by artist: Johannes Brahms
by artist: Georg Friedrich Daumer
by artist: Christoph Berner
by artist: Werner Güra
by artist: Stella Doufexis
by artist: Konrad Jarnot
by artist: Marlis Petersen
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 1
genre: classical
genre: german-romanticism
genre: late-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc9e011a93ee642a93940618a320aa91203a15968cc78e4c4e672c82b9b14ee5. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/FRZ140617210.
  date published: 2026-07-31T15:20:15Z
audio: Drei Lieder, Op. 64: III. Fragen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.329
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.275
  additional property: Energy
    type: PropertyValue
    value: 0.194
  additional property: Speechiness
    type: PropertyValue
    value: 0.064
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.306
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.592
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140617210
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960418
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617210
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Neue Liebeslieder, Op. 65: I. Verzicht, o Herz, auf Rettung
type: MusicRecording
duration: PT0M44S
duration ms: 44666
explicit: false
by artist: Johannes Brahms
by artist: Werner Güra
by artist: Marlis Petersen
by artist: Konrad Jarnot
by artist: Camillo Radicke
by artist: Stella Doufexis
by artist: Christoph Berner
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 2
genre: classical
genre: german-romanticism
genre: late-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x797a02dfd110a81c9c6ad63986693a2075726138f06419ae5a5449dc989f98db. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617220.
  date published: 2026-07-30T15:42:38Z
audio: Neue Liebeslieder, Op. 65: I. Verzicht, o Herz, auf Rettung
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 90.096
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.471
  additional property: Energy
    type: PropertyValue
    value: 0.318
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.298
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.741
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.695
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FRZ140617220
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960273
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T15:42:38+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617220
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960273
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960273
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T15:42:38+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Neue Liebeslieder, Op. 65: II. Finstere Schatten der Nacht
type: MusicRecording
duration: PT1M18S
duration ms: 78933
explicit: false
by artist: Johannes Brahms
by artist: Stella Doufexis
by artist: Konrad Jarnot
by artist: Camillo Radicke
by artist: Christoph Berner
by artist: Werner Güra
by artist: Marlis Petersen
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 1
genre: classical
genre: german-romanticism
genre: late-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2351197faad2cd043cf828a677b98ad33eb4fb3adf250bc260801c61d6c60354. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/FRZ140617230.
  date published: 2026-07-30T18:46:00Z
audio: Neue Liebeslieder, Op. 65: II. Finstere Schatten der Nacht
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 172.152
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.312
  additional property: Energy
    type: PropertyValue
    value: 0.263
  additional property: Speechiness
    type: PropertyValue
    value: 0.062
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.187
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.448
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.519
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140617230
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960294
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T18:46:00+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617230
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960294
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960294
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T18:46:00+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Neue Liebeslieder, Op. 65: VII. Vom Gebirge Well auf Well
type: MusicRecording
duration: PT1M5S
duration ms: 65333
explicit: false
by artist: Johannes Brahms
by artist: Camillo Radicke
by artist: Konrad Jarnot
by artist: Werner Güra
by artist: Marlis Petersen
by artist: Christoph Berner
by artist: Stella Doufexis
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 1
genre: classical
genre: german-romanticism
genre: late-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c05e0fc4df9ce036f7afb1f3f4d589e44735a050dc0c70422324abe9e5be91c. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/FRZ140617280.
  date published: 2026-07-31T12:24:41Z
audio: Neue Liebeslieder, Op. 65: VII. Vom Gebirge Well auf Well
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.915
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.548
  additional property: Energy
    type: PropertyValue
    value: 0.352
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.374
  additional property: Liveness
    type: PropertyValue
    value: 0.035
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.741
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.227
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140617280
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960397
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T12:24:41+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617280
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Neue Liebeslieder, Op. 65: VIII. Weiche Gräser im Revier
type: MusicRecording
duration: PT1M21S
duration ms: 81333
explicit: false
by artist: Johannes Brahms
by artist: Marlis Petersen
by artist: Camillo Radicke
by artist: Werner Güra
by artist: Konrad Jarnot
by artist: Christoph Berner
by artist: Stella Doufexis
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
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popularity: 1
genre: classical
genre: german-romanticism
genre: late-romantic-era
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  date published: 2026-07-31T17:29:52Z
audio: Neue Liebeslieder, Op. 65: VIII. Weiche Gräser im Revier
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additional property: OTSVerifyInstructions
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Neue Liebeslieder, Op. 65: IX. Nagen am Herzen fühl ich ein Gift mir
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duration ms: 88800
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by artist: Christoph Berner
by artist: Marlis Petersen
by artist: Camillo Radicke
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
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  date published: 2007-08-28
popularity: 1
genre: classical
genre: german-romanticism
genre: late-romantic-era
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
audio: Neue Liebeslieder, Op. 65: IX. Nagen am Herzen fühl ich ein Gift mir
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Neue Liebeslieder, Op. 65: XI. Alles, alles in den Wind
type: MusicRecording
duration: PT0M43S
duration ms: 43466
explicit: false
by artist: Johannes Brahms
by artist: Marlis Petersen
by artist: Christoph Berner
by artist: Camillo Radicke
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 1
genre: classical
genre: german-romanticism
genre: late-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-30T09:37:10Z
audio: Neue Liebeslieder, Op. 65: XI. Alles, alles in den Wind
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Neue Liebeslieder, Op. 65: XII. Schwarzer Wald, dein Schatten ist so düster
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duration: PT1M30S
duration ms: 90000
explicit: false
by artist: Johannes Brahms
by artist: Werner Güra
by artist: Christoph Berner
by artist: Konrad Jarnot
by artist: Stella Doufexis
by artist: Camillo Radicke
by artist: Marlis Petersen
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 1
genre: classical
genre: german-romanticism
genre: late-romantic-era
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-08-01T00:10:46Z
audio: Neue Liebeslieder, Op. 65: XII. Schwarzer Wald, dein Schatten ist so düster
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additional property: OTSVerifyInstructions
  type: PropertyValue
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Neue Liebeslieder, Op. 65: XIII. Nein, Geliebter, setze dich
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duration: PT1M41S
duration ms: 101866
explicit: false
by artist: Johannes Brahms
by artist: Christoph Berner
by artist: Marlis Petersen
by artist: Camillo Radicke
by artist: Stella Doufexis
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 1
genre: classical
genre: german-romanticism
genre: late-romantic-era
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-08-01T00:10:46Z
audio: Neue Liebeslieder, Op. 65: XIII. Nein, Geliebter, setze dich
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Neue Liebeslieder, Op. 65: XIV. Flammenauge, dunkles Haar
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duration: PT1M33S
duration ms: 93066
explicit: false
by artist: Johannes Brahms
by artist: Christoph Berner
by artist: Camillo Radicke
by artist: Stella Doufexis
by artist: Konrad Jarnot
by artist: Marlis Petersen
by artist: Werner Güra
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 1
genre: classical
genre: german-romanticism
genre: late-romantic-era
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:36:16Z
audio: Neue Liebeslieder, Op. 65: XIV. Flammenauge, dunkles Haar
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Missa solemnis in D Major, Op. 123: III. Credo
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duration: PT17M57S
duration ms: 1077697
explicit: false
by artist: Ludwig van Beethoven
by artist: Collegium Vocale Gent
by artist: Orchestre des Champs-Élysées
by artist: Philippe Herreweghe
by artist: Marlis Petersen
by artist: Gerhild Romberger
by artist: Benjamin Hulett
by artist: David Wilson-Johnson
in album: Beethoven: Missa solemnis
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  date published: 2012-11-12
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: BER181100703
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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
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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audio: Missa solemnis in D Major, Op. 123: III. Credo
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Missa solemnis in D Major, Op. 123: I. Kyrie
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by artist: David Wilson-Johnson
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  date published: 2026-07-31T15:20:15Z
audio: Missa solemnis in D Major, Op. 123: I. Kyrie
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Missa solemnis in D Major, Op. 123: II. Gloria
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by artist: David Wilson-Johnson
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  date published: 2026-07-31T19:53:13Z
audio: Missa solemnis in D Major, Op. 123: II. Gloria
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Ein deutsches Requiem, Op. 45: Ihr habt nun Traurigkeit - Arr. for Voices and 2 Pianos
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by artist: Simon Halsey
by artist: Philip Mayers
by artist: Phillip Moll
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  date published: 2026-07-02T03:55:08Z
audio: Ein deutsches Requiem, Op. 45: Ihr habt nun Traurigkeit - Arr. for Voices and 2 Pianos
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Elias, Op. 70, MWV A25, Pt. 2: Höre, Israel, höre des Herrn Stimme! (Live)
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  date published: 2026-07-08T03:20:19Z
audio: Elias, Op. 70, MWV A25, Pt. 2: Höre, Israel, höre des Herrn Stimme! (Live)
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Elias, Op. 70, MWV A25, Pt. 1: Herr, höre unser Gebet (Live)
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  date published: 2026-07-06T07:16:32Z
audio: Elias, Op. 70, MWV A25, Pt. 1: Herr, höre unser Gebet (Live)
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Elias, Op. 70, MWV A25, Pt. 1: Was hast du an mir getan (Live)
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audio: Elias, Op. 70, MWV A25, Pt. 1: Was hast du an mir getan (Live)
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Elias, Op. 70, MWV A25, Pt. 1: Wirf dein Anliegen auf den Herrn (Live)
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duration: PT1M43S
duration ms: 103493
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by artist: Felix Mendelssohn
by artist: Marlis Petersen
by artist: Lioba Braun
by artist: Maximilian Schmitt
by artist: Thomas Oliemans
by artist: Akademie für Alte Musik Berlin
by artist: Hans-Christoph Rademann
in album: Mendelssohn: Elias, Op. 70, MWV A25 (Live)
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genre: classical
genre: early-romantic-era
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Elias, Op. 70, MWV A25, Pt. 1: Wirf dein Anliegen auf den Herrn (Live)
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Elias, Op. 70, MWV A25, Pt. 2: Hebe deine Augen auf (Live)
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by artist: Marlis Petersen
by artist: Lioba Braun
in album: Mendelssohn: Elias, Op. 70, MWV A25 (Live)
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genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T08:30:10Z
audio: Elias, Op. 70, MWV A25, Pt. 2: Hebe deine Augen auf (Live)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Elias, Op. 70, MWV A25, Pt. 2: Herr, es wird Nacht um mich (Live)
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explicit: false
by artist: Felix Mendelssohn
by artist: Marlis Petersen
by artist: Thomas Oliemans
by artist: Akademie für Alte Musik Berlin
by artist: Hans-Christoph Rademann
in album: Mendelssohn: Elias, Op. 70, MWV A25 (Live)
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genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
audio: Elias, Op. 70, MWV A25, Pt. 2: Herr, es wird Nacht um mich (Live)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Elias, Op. 70, MWV A25, Pt. 2: Seraphim standen über ihm - Heilig, heilig, heilig ist Gott der Herr (Live)
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duration: PT2M54S
duration ms: 174706
explicit: false
by artist: Felix Mendelssohn
by artist: Marlis Petersen
by artist: Lioba Braun
by artist: Maximilian Schmitt
by artist: Thomas Oliemans
by artist: RIAS Kammerchor
by artist: Akademie für Alte Musik Berlin
by artist: Hans-Christoph Rademann
in album: Mendelssohn: Elias, Op. 70, MWV A25 (Live)
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genre: classical
genre: early-romantic-era
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:44:50Z
audio: Elias, Op. 70, MWV A25, Pt. 2: Seraphim standen über ihm - Heilig, heilig, heilig ist Gott der Herr (Live)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Elias, Op. 70, MWV A25, Pt. 2: Darum ward gesendet der Prophet Elias (Live)
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duration: PT1M2S
duration ms: 62986
explicit: false
by artist: Felix Mendelssohn
by artist: Marlis Petersen
by artist: Akademie für Alte Musik Berlin
by artist: Hans-Christoph Rademann
in album: Mendelssohn: Elias, Op. 70, MWV A25 (Live)
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genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T16:01:17Z
audio: Elias, Op. 70, MWV A25, Pt. 2: Darum ward gesendet der Prophet Elias (Live)
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Elias, Op. 70, MWV A25, Pt. 2: Wohlan, alle die ihr durstig seid (Live)
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duration: PT3M18S
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by artist: Marlis Petersen
by artist: Lioba Braun
by artist: Maximilian Schmitt
by artist: Thomas Oliemans
by artist: Akademie für Alte Musik Berlin
by artist: Hans-Christoph Rademann
in album: Mendelssohn: Elias, Op. 70, MWV A25 (Live)
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  date published: 2016-03-25
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T17:41:38Z
audio: Elias, Op. 70, MWV A25, Pt. 2: Wohlan, alle die ihr durstig seid (Live)
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6 Romances, Op. 6: VI. Nur wer die Sehnsucht kennt
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by artist: Marlis Petersen
by artist: Jendrik Springer
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:22:41Z
audio: 6 Romances, Op. 6: VI. Nur wer die Sehnsucht kennt
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Singet dem Herrn, Op. 91, "Psalm 98": Jauchzet dem Herrn alle Weit (Chorus)
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duration: PT2M16S
duration ms: 136000
explicit: false
by artist: Felix Mendelssohn
by artist: Marlis Petersen
by artist: Thomas Michael Allen
by artist: Morten Ernst Lassen
by artist: Gächinger Kantorei Stuttgart
by artist: Bach-Collegium Stuttgart
by artist: Helmuth Rilling
in album: Mendelssohn, Felix: Psalms 42, 98, 114, 115
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genre: classical
genre: early-romantic-era
genre: german-romanticism
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:53:27Z
audio: Singet dem Herrn, Op. 91, "Psalm 98": Jauchzet dem Herrn alle Weit (Chorus)
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Psalm 115, Op. 31: Nicht unserm Namen, Herr, nur deinem geheilligten (Chorus)
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duration: PT5M9S
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explicit: false
by artist: Felix Mendelssohn
by artist: Marlis Petersen
by artist: Alexandra Paulmichi
by artist: Thomas Michael Allen
by artist: Morten Ernst Lassen
by artist: Gächinger Kantorei Stuttgart
by artist: Bach-Collegium Stuttgart
by artist: Helmuth Rilling
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genre: classical
genre: early-romantic-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Psalm 115, Op. 31: Nicht unserm Namen, Herr, nur deinem geheilligten (Chorus)
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Psalm 115, Op. 31: Duet: Israel hofft auf dich, du wirst sie beschutzen in Not (Soprano, Tenor)
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duration: PT3M34S
duration ms: 214906
explicit: false
by artist: Felix Mendelssohn
by artist: Marlis Petersen
by artist: Alexandra Paulmichi
by artist: Thomas Michael Allen
by artist: Morten Ernst Lassen
by artist: Gächinger Kantorei Stuttgart
by artist: Bach-Collegium Stuttgart
by artist: Helmuth Rilling
in album: Mendelssohn, Felix: Psalms 42, 98, 114, 115
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genre: classical
genre: early-romantic-era
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:20:19Z
audio: Psalm 115, Op. 31: Duet: Israel hofft auf dich, du wirst sie beschutzen in Not (Soprano, Tenor)
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Psalm 115, Op. 31: Die Toten werden dich nicht loben (Chorus)
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duration: PT2M53S
duration ms: 173933
explicit: false
by artist: Felix Mendelssohn
by artist: Marlis Petersen
by artist: Alexandra Paulmichi
by artist: Thomas Michael Allen
by artist: Morten Ernst Lassen
by artist: Gächinger Kantorei Stuttgart
by artist: Bach-Collegium Stuttgart
by artist: Helmuth Rilling
in album: Mendelssohn, Felix: Psalms 42, 98, 114, 115
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  date published: 2009-08-01
genre: classical
genre: early-romantic-era
genre: german-romanticism
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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  date published: 2026-07-08T03:20:19Z
audio: Psalm 115, Op. 31: Die Toten werden dich nicht loben (Chorus)
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Singet dem Herrn ein neues Lied (Bass, Chorus)
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duration: PT1M29S
duration ms: 89133
explicit: false
by artist: Felix Mendelssohn
by artist: Marlis Petersen
by artist: Thomas Michael Allen
by artist: Morten Ernst Lassen
by artist: Gächinger Kantorei Stuttgart
by artist: Bach-Collegium Stuttgart
by artist: Helmuth Rilling
in album: Mendelssohn, Felix: Psalms 42, 98, 114, 115
  type: MusicAlbum
  date published: 2009-08-01
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T22:51:26Z
audio: Singet dem Herrn ein neues Lied (Bass, Chorus)
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Singet dem Herrn, Op. 91, "Psalm 98": Der Herr lasst sein Heil verkundigen (Soprano, Tenor, Bass, Chorus)
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by artist: Morten Ernst Lassen
by artist: Gächinger Kantorei Stuttgart
by artist: Bach-Collegium Stuttgart
by artist: Helmuth Rilling
in album: Mendelssohn, Felix: Psalms 42, 98, 114, 115
  type: MusicAlbum
  date published: 2009-08-01
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T08:30:10Z
audio: Singet dem Herrn, Op. 91, "Psalm 98": Der Herr lasst sein Heil verkundigen (Soprano, Tenor, Bass, Chorus)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Singet dem Herrn, Op. 91, "Psalm 98": Er wird den Erdkreis richten mit Gerechtigkeit (Chorus)
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duration: PT2M6S
duration ms: 126933
explicit: false
by artist: Felix Mendelssohn
by artist: Marlis Petersen
by artist: Thomas Michael Allen
by artist: Morten Ernst Lassen
by artist: Gächinger Kantorei Stuttgart
by artist: Bach-Collegium Stuttgart
by artist: Helmuth Rilling
in album: Mendelssohn, Felix: Psalms 42, 98, 114, 115
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genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T03:35:13Z
audio: Singet dem Herrn, Op. 91, "Psalm 98": Er wird den Erdkreis richten mit Gerechtigkeit (Chorus)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Psalm 115, Op. 31: Aria: Er segne euch je mehr und mehr (Bass)
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duration: PT2M53S
duration ms: 173480
explicit: false
by artist: Felix Mendelssohn
by artist: Marlis Petersen
by artist: Alexandra Paulmichi
by artist: Thomas Michael Allen
by artist: Morten Ernst Lassen
by artist: Gächinger Kantorei Stuttgart
by artist: Bach-Collegium Stuttgart
by artist: Helmuth Rilling
in album: Mendelssohn, Felix: Psalms 42, 98, 114, 115
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  date published: 2009-08-01
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T15:42:38Z
audio: Psalm 115, Op. 31: Aria: Er segne euch je mehr und mehr (Bass)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Stabat Mater dolorosa (Chorus)
type: MusicRecording
duration: PT3M58S
duration ms: 238600
explicit: false
by artist: Francis Poulenc
by artist: Marlis Petersen
by artist: SWR Vokalensemble Stuttgart
by artist: NDR Chor
by artist: Stuttgart Radio Symphony Orchestra
by artist: Stéphane Denève
in album: Poulenc: Stabat Mater - Les Biches
  type: MusicAlbum
  date published: 2013-01-29
genre: classical
genre: early-modern-classical
genre: neoclassicism
isrc code: DEA551230474
additional property: CopyrightID
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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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  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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  date published: 2026-07-08T03:22:41Z
audio: Stabat Mater dolorosa (Chorus)
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Stabat mater, FP 148: Cujus animam gementem (Chorus)
type: MusicRecording
duration: PT1M5S
duration ms: 65506
explicit: false
by artist: Francis Poulenc
by artist: Marlis Petersen
by artist: SWR Vokalensemble Stuttgart
by artist: NDR Chor
by artist: Stuttgart Radio Symphony Orchestra
by artist: Stéphane Denève
in album: Poulenc: Stabat Mater - Les Biches
  type: MusicAlbum
  date published: 2013-01-29
genre: classical
genre: early-modern-classical
genre: neoclassicism
isrc code: DEA551230475
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
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Stabat mater, FP 148: Cujus animam gementem (Chorus)
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    type: PropertyValue
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Stabat mater, FP 148: O quam tristis (Chorus a cappella)
type: MusicRecording
duration: PT2M42S
duration ms: 162600
explicit: false
by artist: Francis Poulenc
by artist: Marlis Petersen
by artist: SWR Vokalensemble Stuttgart
by artist: NDR Chor
by artist: Stuttgart Radio Symphony Orchestra
by artist: Stéphane Denève
in album: Poulenc: Stabat Mater - Les Biches
  type: MusicAlbum
  date published: 2013-01-29
genre: classical
genre: early-modern-classical
genre: neoclassicism
isrc code: DEA551230476
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:55:02+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/957124
additional property: OTSVerificationAPI
  type: PropertyValue
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Stabat mater, FP 148: O quam tristis (Chorus a cappella)
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  additional property: Danceability
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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    value: -34.113
  additional property: Key Name
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  additional property: Mode Name
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    value: Minor

Stabat mater, FP 148: Quae moerebat (Chorus)
type: MusicRecording
duration: PT1M26S
duration ms: 86973
explicit: false
by artist: Francis Poulenc
by artist: Marlis Petersen
by artist: SWR Vokalensemble Stuttgart
by artist: NDR Chor
by artist: Stuttgart Radio Symphony Orchestra
by artist: Stéphane Denève
in album: Poulenc: Stabat Mater - Les Biches
  type: MusicAlbum
  date published: 2013-01-29
genre: classical
genre: early-modern-classical
genre: neoclassicism
isrc code: DEA551230477
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T21:59:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6e389082def2ff82820e47cf1f8b36fef62e0d04c86369c72c11594063f38150
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/DEA551230477
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e389082def2ff82820e47cf1f8b36fef62e0d04c86369c72c11594063f38150. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/DEA551230477.
  date published: 2026-07-08T03:39:04Z
audio: Stabat mater, FP 148: Quae moerebat (Chorus)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.227
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Stabat mater, FP 148: Quis et homo (Chorus)
type: MusicRecording
duration: PT1M28S
duration ms: 88786
explicit: false
by artist: Francis Poulenc
by artist: Marlis Petersen
by artist: SWR Vokalensemble Stuttgart
by artist: NDR Chor
by artist: Stuttgart Radio Symphony Orchestra
by artist: Stéphane Denève
in album: Poulenc: Stabat Mater - Les Biches
  type: MusicAlbum
  date published: 2013-01-29
genre: classical
genre: early-modern-classical
genre: neoclassicism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e5397a262dfd6284475c8297a5a379b7259086341159fd1e624710493a2c01c. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/DEA551230478.
  date published: 2026-07-31T18:48:12Z
audio: Stabat mater, FP 148: Quis et homo (Chorus)
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 172.104
  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
    value: 0.316
  additional property: Energy
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    value: 0.298
  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: 0.208
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.404
  additional property: Key Name
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    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: DEA551230478
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960448
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T18:48:12+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA551230478
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960448
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960448
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Vincero - Radio Pop Version
type: MusicRecording
duration: PT4M2S
duration ms: 242671
explicit: false
by artist: Andreas Schönberg
by artist: n/a
by artist: Hanno Herbst
by artist: Herbst, Hanno
by artist: Schoenberg, Andreas
by artist: Marlis Petersen
in album: O Sole Mio - Classical & Modern Music Cross Over (Remixe)
  type: MusicAlbum
  date published: 2007-09-21
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf6c46abc8441b7d001ce3c2c025d8e69337e2879b729f7ed1e2d7788e3daf48. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZ650709339.
  date published: 2026-07-31T09:25:34Z
audio: Vincero - Radio Pop Version
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.175
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.55
  additional property: Energy
    type: PropertyValue
    value: 0.795
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.285
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.305
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.681
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: DEZ650709339
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960379
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T09:25:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZ650709339
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960379
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960379
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T09:25:34+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Die Zauberflöte, K. 620, Teil II: No. 21, "Tamino, halt" (Pamina, Tamino, die Geharnischten)
type: MusicRecording
duration: PT4M32S
duration ms: 272946
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Marlis Petersen
by artist: Daniel Behle
by artist: Magnus Staveland
by artist: Konstantin Wolff
by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
in album: Mozart: Die Zauberflöte (The Magic Flute)
  type: MusicAlbum
  date published: 2010-10-07
genre: classical
genre: classical-era
isrc code: FRZ140934090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:37:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x15170308c5ab1e0242840fbd7f80c1dc568051c89881e2addd5e88e1a8b91edf
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/FRZ140934090
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15170308c5ab1e0242840fbd7f80c1dc568051c89881e2addd5e88e1a8b91edf. 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/FRZ140934090.
  date published: 2026-07-08T03:53:27Z
audio: Die Zauberflöte, K. 620, Teil II: No. 21, "Tamino, halt" (Pamina, Tamino, die Geharnischten)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.322
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.352
  additional property: Energy
    type: PropertyValue
    value: 0.143
  additional property: Speechiness
    type: PropertyValue
    value: 0.065
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.198
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.079
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.287
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Zauberflöte, K. 620, Teil II: No. 21, Auftritt (Pamina, Tamino, Chor) - "Wir wandelten durch Feuergluten" (Pamina, Tamino)
type: MusicRecording
duration: PT3M27S
duration ms: 207240
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Akademie für Alte Musik Berlin
by artist: Daniel Behle
by artist: Marlis Petersen
in album: Mozart: Die Zauberflöte (The Magic Flute)
  type: MusicAlbum
  date published: 2010-10-07
genre: classical
genre: classical-era
isrc code: FRZ140934100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:50:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa14ae97d888bfca9743f477a20b3421f5eb35e7a548b44e9d12396f4f08b2a79
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/FRZ140934100
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa14ae97d888bfca9743f477a20b3421f5eb35e7a548b44e9d12396f4f08b2a79. 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/FRZ140934100.
  date published: 2026-07-08T08:56:20Z
audio: Die Zauberflöte, K. 620, Teil II: No. 21, Auftritt (Pamina, Tamino, Chor) - "Wir wandelten durch Feuergluten" (Pamina, Tamino)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.979
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.306
  additional property: Energy
    type: PropertyValue
    value: 0.035
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.071
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.111
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.223
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Zauberflöte, K. 620, Teil I: No. 8, Auftritt - Beide "Schnelle Füße, rascher Mut" (Papageno, Pamina)
type: MusicRecording
duration: PT1M3S
duration ms: 63413
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Daniel Schmutzhard
by artist: Marlis Petersen
by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
in album: Mozart: Die Zauberflöte (The Magic Flute)
  type: MusicAlbum
  date published: 2010-10-07
genre: classical
genre: classical-era
isrc code: FRZ140932160
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:42:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xff6da00d230cbe9b82dc7131ceb05a8b4b4b927eb8d4ea622989ca8e60bacdae
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/FRZ140932160
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff6da00d230cbe9b82dc7131ceb05a8b4b4b927eb8d4ea622989ca8e60bacdae. 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/FRZ140932160.
  date published: 2026-07-08T03:20:19Z
audio: Die Zauberflöte, K. 620, Teil I: No. 8, Auftritt - Beide "Schnelle Füße, rascher Mut" (Papageno, Pamina)
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  additional property: Tempo (BPM)
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    value: 105.808
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.211
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.694
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.428
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.361
  additional property: Key Name
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  additional property: Mode Name
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Die Zauberflöte, K. 620, Teil II: No. 16, Auftritt (Tamino, Papageno) - "Tamino, wollen wir nicht speisen?" (Papageno) - Auftritt (Pamina, Tamino, Papageno)
type: MusicRecording
duration: PT2M33S
duration ms: 153373
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Akademie für Alte Musik Berlin
by artist: Daniel Behle
by artist: Daniel Schmutzhard
by artist: Marlis Petersen
in album: Mozart: Die Zauberflöte (The Magic Flute)
  type: MusicAlbum
  date published: 2010-10-07
genre: classical
genre: classical-era
isrc code: FRZ140933160
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:13:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x42f16c9f2cb4d3f6b36cd5740244ef0131acb2fd71d2b8920ffaf4e60886fef4
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/FRZ140933160
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Die Zauberflöte, K. 620, Teil II: No. 16, Auftritt (Tamino, Papageno) - "Tamino, wollen wir nicht speisen?" (Papageno) - Auftritt (Pamina, Tamino, Papageno)
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Die Zauberflöte, K. 620, Teil I: No. 8, Auftritt (Papageno, Pamina, Monostatos) - "Ha, hab ich euch noch erwischt" (Monostatos)
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by artist: Akademie für Alte Musik Berlin
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by artist: Kurt Azesberger
by artist: Marlis Petersen
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genre: classical-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T13:25:45Z
audio: Die Zauberflöte, K. 620, Teil I: No. 8, Auftritt (Papageno, Pamina, Monostatos) - "Ha, hab ich euch noch erwischt" (Monostatos)
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Die Zauberflöte, K. 620, Teil I: No. 8, Auftritt (Papageno, Pamina) - Chor "Es lebe Sarastro" - Auftritt (Pamina, Sarastro) - Chor "Es lebe Sarastro"
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by artist: Akademie für Alte Musik Berlin
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by artist: Marlis Petersen
by artist: Marcos Fink
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genre: classical
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:20:19Z
audio: Die Zauberflöte, K. 620, Teil I: No. 8, Auftritt (Papageno, Pamina) - Chor "Es lebe Sarastro" - Auftritt (Pamina, Sarastro) - Chor "Es lebe Sarastro"
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Die Zauberflöte, K. 620, Teil I: No. 8, Auftritt (Monostatos, Tamino, Pamina, Sarastro) - Monostatos "Nun stolzer Jüngling, nur hieher!"
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by artist: Akademie für Alte Musik Berlin
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by artist: Marcos Fink
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  date published: 2026-07-08T03:22:41Z
audio: Die Zauberflöte, K. 620, Teil I: No. 8, Auftritt (Monostatos, Tamino, Pamina, Sarastro) - Monostatos "Nun stolzer Jüngling, nur hieher!"
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Die Zauberflöte, K. 620, Teil II: No. 18, Auftritt (Tamino, Pamina, Sarastro) - "Prinz, dein Betragen" (Sarastro)
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by artist: Wolfgang Amadeus Mozart
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by artist: Akademie für Alte Musik Berlin
by artist: Daniel Behle
by artist: Marlis Petersen
by artist: Marcos Fink
in album: Mozart: Die Zauberflöte (The Magic Flute)
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  date published: 2010-10-07
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T20:11:13Z
audio: Die Zauberflöte, K. 620, Teil II: No. 18, Auftritt (Tamino, Pamina, Sarastro) - "Prinz, dein Betragen" (Sarastro)
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additional property: OTSVerifyInstructions
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Die Zauberflöte, K. 620, Teil II: No. 19, Terzett (Pamina, Sarastro, Tamino) - "Soll ich dich, Teurer! nicht mehr seh'n?" (Pamina)
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by artist: Marlis Petersen
by artist: Marcos Fink
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genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T21:13:37Z
audio: Die Zauberflöte, K. 620, Teil II: No. 19, Terzett (Pamina, Sarastro, Tamino) - "Soll ich dich, Teurer! nicht mehr seh'n?" (Pamina)
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Die Zauberflöte, K. 620, Teil II: No. 21, Auftritt (Pamina, die drei Knaben) - "Du also bist mein Bräutigam?" (Pamina)
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duration: PT5M22S
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by artist: Akademie für Alte Musik Berlin
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genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T09:37:10Z
audio: Die Zauberflöte, K. 620, Teil II: No. 21, Auftritt (Pamina, die drei Knaben) - "Du also bist mein Bräutigam?" (Pamina)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Die Zauberflöte, K. 620, Teil I: No. 5, Auftritt (Monostatos, Pamina) - No. 6, Terzett "Du feines Täubchen, nur herein" (Monostatos) - Auftritt (Papageno, Monostatos) - "Wo bin ich wohl?" (Pa
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duration ms: 115386
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Akademie für Alte Musik Berlin
by artist: Daniel Schmutzhard
by artist: Kurt Azesberger
by artist: Marlis Petersen
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  date published: 2010-10-07
genre: classical
genre: classical-era
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genre: opera
genre: chamber-music
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T08:04:30Z
audio: Die Zauberflöte, K. 620, Teil I: No. 5, Auftritt (Monostatos, Pamina) - No. 6, Terzett "Du feines Täubchen, nur herein" (Monostatos) - Auftritt (Papageno, Monostatos) - "Wo bin ich wohl?" (Pa
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Die Zauberflöte, K. 620, Teil II: No. 13, Auftritt (Königin, Pamina, Monostatos) - "Zurücke!" (Königin)
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by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Akademie für Alte Musik Berlin
by artist: Kurt Azesberger
by artist: Marlis Petersen
by artist: Anna-Kristiina Kaappola
in album: Mozart: Die Zauberflöte (The Magic Flute)
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genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T18:23:33Z
audio: Die Zauberflöte, K. 620, Teil II: No. 13, Auftritt (Königin, Pamina, Monostatos) - "Zurücke!" (Königin)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Die Zauberflöte, K. 620, Teil I: No. 6, Auftritt (Pamina) - "Mutter" (Pamina) - Auftritt (Papageno, Pamina) - "Bin ich nicht ein Narr" (Papageno)
type: MusicRecording
duration: PT5M58S
duration ms: 358080
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Akademie für Alte Musik Berlin
by artist: Daniel Schmutzhard
by artist: Marlis Petersen
in album: Mozart: Die Zauberflöte (The Magic Flute)
  type: MusicAlbum
  date published: 2010-10-07
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T06:39:12Z
audio: Die Zauberflöte, K. 620, Teil I: No. 6, Auftritt (Pamina) - "Mutter" (Pamina) - Auftritt (Papageno, Pamina) - "Bin ich nicht ein Narr" (Papageno)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Die Zauberflöte, K. 620, Teil I: No. 6, Auftritt - No. 7, Duett "Bei Männern, welche Liebe fühlen" (Pamina, Papageno)
type: MusicRecording
duration: PT2M33S
duration ms: 153320
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Akademie für Alte Musik Berlin
by artist: Daniel Schmutzhard
by artist: Marlis Petersen
in album: Mozart: Die Zauberflöte (The Magic Flute)
  type: MusicAlbum
  date published: 2010-10-07
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe561a36f7388e5e2fe30bfb745e06cffedff96d4819b82c4cf902a9f05d2abfe. Chain 2 (Bitcoin): anchored in block 960170 (2026-07-29T23:52:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140932120.
  date published: 2026-07-29T23:52:38Z
audio: Die Zauberflöte, K. 620, Teil I: No. 6, Auftritt - No. 7, Duett "Bei Männern, welche Liebe fühlen" (Pamina, Papageno)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Die Zauberflöte, K. 620, Teil II: No. 14, Auftritt (Pamina) - Auftritt (Pamina, Monostatos) - Auftritt (Monostatos, Sarastro) - Auftritt (Pamina, Sarastro) - "Herr, strafe meine Mutter nicht"
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duration: PT3M5S
duration ms: 185493
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: René Jacobs
by artist: Akademie für Alte Musik Berlin
by artist: Kurt Azesberger
by artist: Marlis Petersen
by artist: Marcos Fink
in album: Mozart: Die Zauberflöte (The Magic Flute)
  type: MusicAlbum
  date published: 2010-10-07
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T11:13:28Z
audio: Die Zauberflöte, K. 620, Teil II: No. 14, Auftritt (Pamina) - Auftritt (Pamina, Monostatos) - Auftritt (Monostatos, Sarastro) - Auftritt (Pamina, Sarastro) - "Herr, strafe meine Mutter nicht"
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Die Zauberflöte, K. 620, Teil II: No. 17, Arie "Ach ich fühl's, es ist verschwunden" (Pamina)
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duration: PT3M6S
duration ms: 186960
explicit: false
by artist: Wolfgang Amadeus Mozart
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by artist: Akademie für Alte Musik Berlin
by artist: Marlis Petersen
in album: Mozart: Die Zauberflöte (The Magic Flute)
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  date published: 2010-10-07
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T22:13:32Z
audio: Die Zauberflöte, K. 620, Teil II: No. 17, Arie "Ach ich fühl's, es ist verschwunden" (Pamina)
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  additional property: Key Name
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    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FRZ140933170
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960155
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T22:13:32+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140933170
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960155
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960155
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T22:13:32+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Der Frühling: "Seht, wie der strenge Winter flieht!"
type: MusicRecording
duration: PT6M0S
duration ms: 360200
explicit: false
by artist: Joseph Haydn
by artist: René Jacobs
by artist: Freiburger Barockorchester
by artist: Marlis Petersen
by artist: Werner Güra
by artist: Dietrich Henschel
in album: Haydn: Die Jahreszeiten
  type: MusicAlbum
  date published: 2004
isrc code: FRZ140325010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:49:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0dca51e56a78adf234a3af184a3df021f39ede85a77e08609a4f269343cf5e0e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140325010
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dca51e56a78adf234a3af184a3df021f39ede85a77e08609a4f269343cf5e0e. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140325010.
  date published: 2026-07-02T11:38:34Z
audio: Der Frühling: "Seht, wie der strenge Winter flieht!"
  type: AudioObject
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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
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.891
  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Der Herbst: "Was durch seine Blüte"
type: MusicRecording
duration: PT2M9S
duration ms: 129586
explicit: false
by artist: Joseph Haydn
by artist: René Jacobs
by artist: Freiburger Barockorchester
by artist: Marlis Petersen
in album: Haydn: Die Jahreszeiten
  type: MusicAlbum
  date published: 2004
isrc code: FRZ140326010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:32:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6060f7e959e88fa76de4acd1a680969df19514bc581980a139c2eb1f326cb122
additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/FRZ140326010
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6060f7e959e88fa76de4acd1a680969df19514bc581980a139c2eb1f326cb122. 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/FRZ140326010.
  date published: 2026-07-08T03:20:19Z
audio: Der Herbst: "Was durch seine Blüte"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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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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Der Herbst: "Seht, wie zum Haselbusche dort"
type: MusicRecording
duration: PT0M55S
duration ms: 55080
explicit: false
by artist: Joseph Haydn
by artist: René Jacobs
by artist: Freiburger Barockorchester
by artist: Marlis Petersen
by artist: Werner Güra
by artist: Dietrich Henschel
in album: Haydn: Die Jahreszeiten
  type: MusicAlbum
  date published: 2004
isrc code: FRZ140326040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:08:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaad3e54c6ecbe570b08f29be5e390000e2b24c84edd9c45aa52d9c34aab47e7b
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/FRZ140326040
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaad3e54c6ecbe570b08f29be5e390000e2b24c84edd9c45aa52d9c34aab47e7b. 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/FRZ140326040.
  date published: 2026-07-08T03:53:27Z
audio: Der Herbst: "Seht, wie zum Haselbusche dort"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.767
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
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Der Frühling: "Erhört ist unser Flehn"
type: MusicRecording
duration: PT0M49S
duration ms: 49800
explicit: false
by artist: Joseph Haydn
by artist: René Jacobs
by artist: Freiburger Barockorchester
by artist: Marlis Petersen
in album: Haydn: Die Jahreszeiten
  type: MusicAlbum
  date published: 2004
isrc code: FRZ140325070

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617070

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

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4b298e7008bb5dd4140e938b6c8437559fa50d3c8de352aae73de2559795cf2. 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/FRZ140617070.
date published: 2026-07-08T03:53:27Z

Liebesliederwalzer, Op. 52: VII. Wohl schön bewandt
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 108.265
additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
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  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.396
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
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.133
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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Liebesliederwalzer, Op. 52: XVII. Nicht wandle, mein Licht, dort außen
type: MusicRecording
duration: PT2M1S
duration ms: 121066
explicit: false
by artist: Johannes Brahms
by artist: Georg Friedrich Daumer
by artist: Christoph Berner
by artist: Werner Güra
by artist: Camillo Radicke
in album: Brahms: Liebesliederwalzer & Neue Liebeslieder
  type: MusicAlbum
  date published: 2007-08-28
popularity: 2
genre: classical
genre: german-romanticism
genre: late-romantic-era
isrc code: FRZ140617170
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:19:18+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x3c251b7c169aea83e424f4dad087e3d6e914a8f7db6a496414f7c1fbae6732f5
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617170
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 0x3c251b7c169aea83e424f4dad087e3d6e914a8f7db6a496414f7c1fbae6732f5. 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/FRZ140617170.
  date published: 2026-07-08T03:53:27Z
audio: Liebesliederwalzer, Op. 52: XVII. Nicht wandle, mein Licht, dort außen
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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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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Schumann & Brahms: Vocal Quartets
type: MusicAlbum
date published: 2007

Pergolesi: Messa in Re Maggiore & Mottetto "Dignas laudes resonemus"
type: MusicAlbum
date published: 2018-03-09

Beethoven: Symphony No. 9
type: MusicAlbum
date published: 2020-12-04

Sacred Masterpieces Stuttgart Gachinger Kantorei, Stuttgart Bach Collegium, Rilling
type: MusicAlbum
date published: 2018-01-05

harmonia mundi Autumn-Winter 2019
type: MusicAlbum
date published: 2019-09-13

Lehár: Die lustige Witwe (Live)
type: MusicAlbum
date published: 2019-06-14

Beethoven: Missa solemnis
type: MusicAlbum
date published: 2012-11-12
track: Missa solemnis in D Major, Op. 123: III. Credo
track: Missa solemnis in D Major, Op. 123: I. Kyrie
track: Missa solemnis in D Major, Op. 123: II. Gloria

Brahms: Ein deutsches Requiem (Arr. for Voices and 2 Pianos)
type: MusicAlbum
date published: 2010-09-01
track: Ein deutsches Requiem, Op. 45: Selig sind, die da Leid tragen - Arr. for Voices and 2 Pianos
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  by artist: Rundfunkchor Berlin
  by artist: Simon Halsey
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  by artist: Phillip Moll
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    type: MusicAlbum
    date published: 2010-09-01
  genre: classical
  genre: german-romanticism
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  isrc code: DEX991040601
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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/DEX991040601
  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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2b31c664d91a781908237061807b15799b87a60edaabafac796e2fec5062150. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/DEX991040601.
    date published: 2026-07-02T05:09:12Z
  audio: Ein deutsches Requiem, Op. 45: Selig sind, die da Leid tragen - Arr. for Voices and 2 Pianos
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Valence (Positivity)
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track: Ein deutsches Requiem, Op. 45: Denn alles Fleisch, es ist wie Gras - Arr. for Voices and 2 Pianos
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    date published: 2026-07-06T07:53:57Z
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track: Ein deutsches Requiem, Op. 45: Ihr habt nun Traurigkeit - Arr. for Voices and 2 Pianos
track: Ein deutsches Requiem, Op. 45: Denn wir haben hie keine bleibende Statt - Arr. for Voices and 2 Pianos

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OpenTimestamps Proof of Existence
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
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track: Elias, Op. 70, MWV A25, Pt. 2: Höre, Israel, höre des Herrn Stimme! (Live)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T06:56:49Z
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track: Elias, Op. 70, MWV A25, Pt. 1: Herr, höre unser Gebet (Live)
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track: Elias, Op. 70, MWV A25, Pt. 2: Es ist genug! (Live)
track: Elias, Op. 70, MWV A25, Pt. 1: Was hast du an mir getan (Live)
track: Elias, Op. 70, MWV A25, Pt. 1: Baal, erhöre uns! (Live)
track: Elias, Op. 70, MWV A25, Pt. 2: Gehe wiederum hinab! (Live)
track: Elias, Op. 70, MWV A25, Pt. 1: Wirf dein Anliegen auf den Herrn (Live)
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track: Elias, Op. 70, MWV A25, Pt. 2: Alsdann wird euer Licht hervorbrechen (Live)
track: Elias, Op. 70, MWV A25, Pt. 2: Hebe deine Augen auf (Live)
track: Elias, Op. 70, MWV A25, Pt. 2: Herr, es wird Nacht um mich (Live)
track: Elias, Op. 70, MWV A25, Pt. 2: Seraphim standen über ihm - Heilig, heilig, heilig ist Gott der Herr (Live)
track: Elias, Op. 70, MWV A25, Pt. 2: Darum ward gesendet der Prophet Elias (Live)
track: Elias, Op. 70, MWV A25, Pt. 2: Wohlan, alle die ihr durstig seid (Live)

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

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track: Psalm 42, Op. 42, MWV A15: Recitative: Meine Tranen sind (Soprano)
track: Psalm 42, Op. 42, MWV A15: Denn ich wollte (Soprano, Chorus)
track: Psalm 42, Op. 42, MWV A15: Was betrubst du dich, meine Seele (Chorus)
track: Psalm 42, Op. 42, MWV A15: Recitative: Mein Gott, betrubt ist (Soprano)
track: Psalm 42, Op. 42, MWV A15: Quintetto: Der Herr hat des Tages
track: Psalm 42, Op. 42, MWV A15: Finale: Warum betrubst du dich (Chorus)
track: Singet dem Herrn ein neues Lied (Bass, Chorus)
track: Singet dem Herrn, Op. 91, "Psalm 98": Der Herr lasst sein Heil verkundigen (Soprano, Tenor, Bass, Chorus)
track: Singet dem Herrn, Op. 91, "Psalm 98": Er wird den Erdkreis richten mit Gerechtigkeit (Chorus)
track: Psalm 115, Op. 31: Aria: Er segne euch je mehr und mehr (Bass)

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Poulenc: Stabat Mater - Les Biches
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Meistersaal Sessions / Vol. 1: Romantic Chamber Music
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  subject of: OpenTimestamps Proof of Existence
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track: Die Zauberflöte, K. 620, Teil II: No. 21, Auftritt (Pamina, die drei Knaben) - "Du also bist mein Bräutigam?" (Pamina)
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OpenTimestamps Proof of Existence
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date published: 2026-07-02T03:55:08Z

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Die Zauberflöte, K. 620, Teil II: No. 11, Auftritt (Die drei Damen, Papageno, Tamino) - No. 12, Quintett "Wie? Wie? Wie?" (Die drei Damen)
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  date published: 2026-07-08T03:22:41Z
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Die Zauberflöte, K. 620, Teil II: No. 12, Auftritt - "Ha, da find' ich ja die spröche Schöne!" (Monostatos)
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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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Die Zauberflöte, K. 620, Teil II: No. 21, Auftritt (Zwei Männer, Tamino) - "Der, welcher wandert dieser Straße" (Zwei geharnischte Männer)
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  date published: 2026-07-08T03:53:27Z
audio: Die Zauberflöte, K. 620, Teil II: No. 21, Auftritt (Zwei Männer, Tamino) - "Der, welcher wandert dieser Straße" (Zwei geharnischte Männer)
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Die Zauberflöte, K. 620, Teil II: No. 13, Arie "Alles fühlt der Liebe Freuden" (Monostatos)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Die Zauberflöte, K. 620, Teil II: No. 13, Arie "Alles fühlt der Liebe Freuden" (Monostatos)
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Die Zauberflöte, K. 620, Teil II: No. 13, Auftritt - No. 14, Arie "Der Hölle Rache kocht in meinem Herzen" (Königin)
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  date published: 2026-07-02T03:55:08Z
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Die Zauberflöte, K. 620, Teil II: No. 15, Auftritt (Sprecher, Zweiter Priester) - Auftritt (Tamino, Papageno) - Auftritt (Papageno, Weib)
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  date published: 2026-07-08T03:22:41Z
audio: Die Zauberflöte, K. 620, Teil II: No. 15, Auftritt (Sprecher, Zweiter Priester) - Auftritt (Tamino, Papageno) - Auftritt (Papageno, Weib)
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Haydn: Die Jahreszeiten
type: MusicAlbum
date published: 2004
track: Der Frühling: "Seht, wie der strenge Winter flieht!"
track: Der Herbst: "Was durch seine Blüte"
track: Der Frühling: "Komm, holder Lenz!"
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  by artist: Freiburger Barockorchester
  by artist: RIAS Kammerchor
  in album: Haydn: Die Jahreszeiten
    type: MusicAlbum
    date published: 2004
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    value: 956304
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    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140325020
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4daa5c0ef92d903103f93718c2bd3be17bb84f4fbeddeebaa0ee985ef60ea190. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140325020.
    date published: 2026-07-02T03:55:08Z
  audio: Der Frühling: "Komm, holder Lenz!"
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.244
    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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track: Der Frühling: "Schon eilet froh der Ackersmann"
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  duration: PT3M18S
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  by artist: Joseph Haydn
  by artist: René Jacobs
  by artist: Freiburger Barockorchester
  by artist: Dietrich Henschel
  in album: Haydn: Die Jahreszeiten
    type: MusicAlbum
    date published: 2004
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140325040
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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
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf941f894cd8f68f0c64346d9cde0c71a2521dc0ae0d5b733aed7cbec47b9abcf. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140325040.
    date published: 2026-07-02T11:38:34Z
  audio: Der Frühling: "Schon eilet froh der Ackersmann"
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 110.424
    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
      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
      type: PropertyValue
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    additional property: Valence (Positivity)
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track: Der Herbst: "Seht, wie zum Haselbusche dort"
track: Der Herbst: "Ihr Schönen aus der Stadt"
  type: MusicRecording
  duration: PT7M4S
  duration ms: 424360
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  by artist: Joseph Haydn
  by artist: René Jacobs
  by artist: Freiburger Barockorchester
  by artist: Werner Güra
  by artist: Dietrich Henschel
  in album: Haydn: Die Jahreszeiten
    type: MusicAlbum
    date published: 2004
  isrc code: FRZ140326050
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Der Herbst: "Ihr Schönen aus der Stadt"
track: Der Frühling: "Erhört ist unser Flehn"
track: FRZ140325080
track: FRZ140325090
track: FRZ140325110
track: FRZ140325170
track: FRZ140325200
track: FRZ140325060
track: FRZ140326030
track: FRZ140325120
track: FRZ140326130
track: FRZ140326140
track: FRZ140325160
track: FRZ140326170
track: FRZ140326180
track: FRZ140325180
track: FRZ140326200
track: FRZ140326240

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x6a67c3fffdf8de0064bbe003b2058120e198dceb13304b01297192b1a0adb97d

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 957120

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140326050

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 0x6a67c3fffdf8de0064bbe003b2058120e198dceb13304b01297192b1a0adb97d. 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/FRZ140326050.
date published: 2026-07-08T03:22:41Z

Der Herbst: "Ihr Schönen aus der Stadt"
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additional property: Tempo (BPM)
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additional property: Musical Key
  type: PropertyValue
  value: 10
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.308
additional property: Energy
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additional property: Speechiness
  type: PropertyValue
  value: 0.086
additional property: Acousticness
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additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.318
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.175
additional property: Loudness (dB)
  type: PropertyValue
  value: -23.913
additional property: Key Name
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  value: Bb
additional property: Mode Name
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