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genre: choral
genre: requiem
description: thumb|Maria Stader on Rigi-Kaltbad, New Year 1965200px|alt=Maria Stader's signature Maria Stader (November 5, 1911 – April 27, 1999) was a Hungarian-born Swiss lyric soprano, known particularly for he
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album: Excerpts From The Merry Wives Of Windsor
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album: Dvořák: Requiem (Karel Ančerl Edition, Vol. 6)
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  track: Requiem, Op. 89, B. 165, Pt. 1: I. Requiem aeternam
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-31T02:19:15Z
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      date published: 2026-07-31T02:19:15Z
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  track: Requiem, Op. 89, B. 165, Pt. 1: III. Dies irae
  track: Requiem, Op. 89, B. 165, Pt. 1: IV. Tuba mirum
  track: Requiem, Op. 89, B. 165, Pt. 1: V. Quid sum miser
  track: Requiem, Op. 89, B. 165, Pt. 1: VII. Confutatis maledictis
  track: Requiem, Op. 89, B. 165, Pt. 2: IX. Offertorium
album: Maria Stader / Chor der St.Hedwigs-Kathedrale / Berliner Philarmoniker / Igor Markevitch play: Wolfgang Amadeus Mozart: Missa [Nr. 14], Krönungsmesse, KV 317
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album: Wolfgang Amadeus Mozart: Don Giovanni
album: Bizet: Carmen
album: Bruckner: Grosse Messe Nr.3; drei Motetten
album: Verdi: La traviata (Hans Schmidt-Isserstedt Edition 2, Vol. 11)
album: Fidelio
album: Bach: Cantate BWV147 - Magnificat
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album: Mahler: Symphony No. 2 "Resurrection" - Nan Merriman Recitals
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album: Mozart: Zaide, K. 344 (Fragment)
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album: Mozart: Le nozze di Figaro (Mono Version)
album: Mozart: La flûte enchantée, version abrégée (Mono Version)
album: Pierre Monteux in Paris
album: Singers of the Century: Maria Stader Sings Mozart (2019 Remaster)
album: Süßer Die Glocken Nie Klingen (Classical German Christmas Songs)
album: In Dulci Jubilo: Maria Stader Sings European Songs
album: Brahms: Ein deutsches Requiem, Op. 45 (Live)
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album: Verdi: La traviata (German Version, Stereo Version)
album: Mozart: Die Entführung aus dem Serail (Short Version, Mono Version)
album: Beethoven: Missa solemnis (Mono Version)
track: Mass In D, Op. 123 "Missa Solemnis" / 2. Gloria - Allegro vivace: Quoniam tu solus Sanctus
track: Mass In D, Op. 123 "Missa Solemnis" / 2. Gloria - Allegro vivace: "Amen, Amen, in gloria Dei Patris" / "Quoniam tu solus..."
track: Mass in D, Op. 123 "Missa Solemnis" / 5. Agnus Dei - Adagio: Dona nobis pacem
track: Mass In D, Op. 123 "Missa Solemnis" / 1. Kyrie - Assai sostenuto (Mit Andacht): Christe eleison

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Requiem, Op. 89, B. 165, Pt. 1: III. Dies irae
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:44:50Z
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Requiem, Op. 89, B. 165, Pt. 1: IV. Tuba mirum
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T09:58:01Z
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Requiem, Op. 89, B. 165, Pt. 1: V. Quid sum miser
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T13:04:34Z
audio: Requiem, Op. 89, B. 165, Pt. 1: V. Quid sum miser
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Requiem, Op. 89, B. 165, Pt. 1: VII. Confutatis maledictis
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by artist: Antonín Dvořák
by artist: Maria Stader
by artist: Sieglinde Wagner
by artist: Ernst Haefliger
by artist: Kim Borg
by artist: Czech Philharmonic
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by artist: Czech Chorus, Prague
by artist: Markéta Kühnová
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genre: classical
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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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Requiem, Op. 89, B. 165, Pt. 2: IX. Offertorium
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by artist: Ernst Haefliger
by artist: Kim Borg
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by artist: Czech Chorus, Prague
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T23:51:35Z
audio: Requiem, Op. 89, B. 165, Pt. 2: IX. Offertorium
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Maria Stader / Chor der St.Hedwigs-Kathedrale / Berliner Philarmoniker / Igor Markevitch play: Wolfgang Amadeus Mozart: Missa [Nr. 14], Krönungsmesse, KV 317
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date published: 2015-05-08

Czech Philharmonic Orchestra / gem. Chor und Orchester spielen: Antonín Dvořák: Requiem fuer Soli 5
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Czech Philharmonic Orchestra / gem. Chor und Orchester spielen: Antonín Dvořák: Requiem fuer Soli 2
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Wolfgang Amadeus Mozart: Don Giovanni
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Bizet: Carmen
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Bruckner: Grosse Messe Nr.3; drei Motetten
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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Verdi: La traviata (Hans Schmidt-Isserstedt Edition 2, Vol. 11)
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date published: 1958

Fidelio
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date published: 2000-01-01

Bach: Cantate BWV147 - Magnificat
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T09:57:33Z
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track: Herz und Mund und Tat und Leben, BWV 147: II. Recit. Gebenedeiter Mund! (Tenor)
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  subject of: OpenTimestamps Proof of Existence
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track: Herz und Mund und Tat und Leben, BWV 147: III. Aria. Schäme dich, o Seele nicht (Alto)
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track: Herz und Mund und Tat und Leben, BWV 147: V. Aria. Bereite dir, Jesu (Soprano)
track: Herz und Mund und Tat und Leben, BWV 147: VI. Chorale. Wohl mir, dass ich Jesum habe
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track: Herz und Mund und Tat und Leben, BWV 147: X. Chorale. Jesus bleibet meine Freude
track: Magnificat in D Major, BWV 243: I. Chorus: "Magnificat"
track: Magnificat in D Major, BWV 243: VII. Chorus: "Fecit potentiam"
track: Magnificat in D Major, BWV 243: XII. Chorus: "Gloria Patri"

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

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date published: 2026-07-08T03:20:19Z

Herz und Mund und Tat und Leben, BWV 147: III. Aria. Schäme dich, o Seele nicht (Alto)
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Herz und Mund und Tat und Leben, BWV 147: V. Aria. Bereite dir, Jesu (Soprano)
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by artist: Ursula Buckel
by artist: Solistengemeinschaft Der Bachwoche Ansbach
by artist: Karl Richter
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  date published: 2007-01-01
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T17:29:52Z
audio: Herz und Mund und Tat und Leben, BWV 147: V. Aria. Bereite dir, Jesu (Soprano)
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Herz und Mund und Tat und Leben, BWV 147: VI. Chorale. Wohl mir, dass ich Jesum habe
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by artist: Karl Richter
by artist: Münchener Bach-Chor
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T10:42:33Z
audio: Herz und Mund und Tat und Leben, BWV 147: VI. Chorale. Wohl mir, dass ich Jesum habe
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Herz und Mund und Tat und Leben, BWV 147: VII. Aria. Hilf, Jesu, hilf (Tenor)
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by artist: John van Kesteren
by artist: Solistengemeinschaft Der Bachwoche Ansbach
by artist: Karl Richter
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genre: classical
genre: classical-piano
genre: early-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T18:48:12Z
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Herz und Mund und Tat und Leben, BWV 147: IX. Aria. Ich will von Jesu Wundern singen (Bass)
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by artist: Solistengemeinschaft Der Bachwoche Ansbach
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genre: classical
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genre: early-music
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genre: chamber-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
audio: Herz und Mund und Tat und Leben, BWV 147: IX. Aria. Ich will von Jesu Wundern singen (Bass)
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Herz und Mund und Tat und Leben, BWV 147: X. Chorale. Jesus bleibet meine Freude
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genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Herz und Mund und Tat und Leben, BWV 147: X. Chorale. Jesus bleibet meine Freude
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Magnificat in D Major, BWV 243: I. Chorus: "Magnificat"
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by artist: Münchener Bach-Chor
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genre: classical
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genre: early-music
genre: baroque
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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Magnificat in D Major, BWV 243: VII. Chorus: "Fecit potentiam"
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duration ms: 141800
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by artist: Johann Sebastian Bach
by artist: Münchener Bach-Orchester
by artist: Karl Richter
by artist: Münchener Bach-Chor
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  date published: 2007-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Magnificat in D Major, BWV 243: VII. Chorus: "Fecit potentiam"
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Magnificat in D Major, BWV 243: XII. Chorus: "Gloria Patri"
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duration: PT2M17S
duration ms: 137920
explicit: false
by artist: Johann Sebastian Bach
by artist: Münchener Bach-Orchester
by artist: Karl Richter
by artist: Münchener Bach-Chor
in album: Bach: Cantate BWV147 - Magnificat
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  date published: 2007-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Magnificat in D Major, BWV 243: XII. Chorus: "Gloria Patri"
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Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
type: MusicAlbum
date published: 1979-01-01
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  by artist: Münchener Bach-Orchester
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  by artist: Münchener Bach-Chor
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    type: MusicAlbum
    date published: 1979-01-01
  genre: classical
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  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T13:32:09Z
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track: Wachet auf, ruft uns die Stimme, Cantata BWV 140: II. "Er kommt, er kommt, der Bräutigam kommt!"
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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track: Wachet auf, ruft uns die Stimme, Cantata BWV 140: III. "Wann kommst du, mein Heil?"
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  duration: PT6M54S
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    type: MusicAlbum
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  genre: classical
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  genre: early-music
  genre: baroque
  genre: chamber-music
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  additional property: OTSBitcoinBlock
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Wachet auf, ruft uns die Stimme, Cantata BWV 140: III. "Wann kommst du, mein Heil?"
track: Wachet auf, ruft uns die Stimme, Cantata BWV 140: IV. "Zion hört die Wächter singen"
track: Wachet auf, ruft uns die Stimme, Cantata BWV 140: V. "So geh herein zu mir"
track: Wachet auf, ruft uns die Stimme, Cantata BWV 140: VI. "Mein Freund ist mein!"
track: Wachet auf, ruft uns die Stimme, Cantata BWV 140: VII. "Gloria sei dir gesungen"
track: Magnificat in D Major, BWV 243: I. Chorus: "Magnificat"
track: Magnificat in D Major, BWV 243: II. Aria: "Et exsultavit spiritus meus"
track: Magnificat in D Major, BWV 243: III. Quia respexit...4. Omnes generationes
track: Magnificat in D Major, BWV 243: V. Aria: "Quia fecit mihi magna" (bass)
track: Magnificat in D Major, BWV 243: VI. Aria (Duet): "Et misericordia" (alto, tenor)
track: Magnificat in D Major, BWV 243: VII. Chorus: "Fecit potentiam"
track: Magnificat in D Major, BWV 243: VIII. Aria: "Deposuit potentes"
track: Magnificat in D Major, BWV 243: IX. Aria: "Esurientes implevit bonis" (alto)
track: Magnificat in D Major, BWV 243: X. Chorus: "Suscepit Israel"
track: Magnificat in D Major, BWV 243: XI. Chorus: "Sicut locutus est"
track: Magnificat in D Major, BWV 243: XII. Chorus: "Gloria Patri"

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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSVerifyInstructions
type: PropertyValue
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OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea3d964cdddfab8cb233fa63a1f4dae5548fdce30a887fbc28778f7949108054. 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/DEF057803514.
date published: 2026-07-02T03:55:08Z

Wachet auf, ruft uns die Stimme, Cantata BWV 140: III. "Wann kommst du, mein Heil?"
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Wachet auf, ruft uns die Stimme, Cantata BWV 140: IV. "Zion hört die Wächter singen"
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genre: classical
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genre: early-music
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe700bbd93892bf978f77d08d1a76600630eeebf924a788e073a92d2bcb20b654. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057803511.
  date published: 2026-06-13T15:41:10Z
audio: Wachet auf, ruft uns die Stimme, Cantata BWV 140: IV. "Zion hört die Wächter singen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.528
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.147
  additional property: Energy
    type: PropertyValue
    value: 0.165
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.861
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.478
  additional property: Liveness
    type: PropertyValue
    value: 0.129
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.159
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.898
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wachet auf, ruft uns die Stimme, Cantata BWV 140: V. "So geh herein zu mir"
type: MusicRecording
duration: PT2M0S
duration ms: 120026
explicit: false
by artist: Johann Sebastian Bach
by artist: Dietrich Fischer-Dieskau
by artist: Münchener Bach-Orchester
by artist: Karl Richter
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF057803515
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T09:43:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaecdf06e1763d7ac85912559c81ac6a532a36f23b4b197e8b955b5bd1acaf0e5
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/DEF057803515
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaecdf06e1763d7ac85912559c81ac6a532a36f23b4b197e8b955b5bd1acaf0e5. 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/DEF057803515.
  date published: 2026-07-02T03:55:08Z
audio: Wachet auf, ruft uns die Stimme, Cantata BWV 140: V. "So geh herein zu mir"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.046
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.166
  additional property: Energy
    type: PropertyValue
    value: 0.051
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.743
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.143
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.324
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wachet auf, ruft uns die Stimme, Cantata BWV 140: VI. "Mein Freund ist mein!"
type: MusicRecording
duration: PT6M23S
duration ms: 383306
explicit: false
by artist: Johann Sebastian Bach
by artist: Edith Mathis
by artist: Dietrich Fischer-Dieskau
by artist: Münchener Bach-Orchester
by artist: Karl Richter
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF057803516
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T04:08:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6a89033edf90a83eaa416c735246743c5d1cc3fe886083b70f51c98f04f3fe10
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/DEF057803516
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a89033edf90a83eaa416c735246743c5d1cc3fe886083b70f51c98f04f3fe10. 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/DEF057803516.
  date published: 2026-07-02T03:55:08Z
audio: Wachet auf, ruft uns die Stimme, Cantata BWV 140: VI. "Mein Freund ist mein!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.376
  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: 0.241
  additional property: Energy
    type: PropertyValue
    value: 0.295
  additional property: Speechiness
    type: PropertyValue
    value: 0.097
  additional property: Acousticness
    type: PropertyValue
    value: 0.805
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.137
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.382
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.699
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wachet auf, ruft uns die Stimme, Cantata BWV 140: VII. "Gloria sei dir gesungen"
type: MusicRecording
duration: PT1M49S
duration ms: 109333
explicit: false
by artist: Johann Sebastian Bach
by artist: Münchener Bach-Orchester
by artist: Karl Richter
by artist: Münchener Bach-Chor
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF057803517
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T15:38:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdcfd1a077ff273298a1dbc3290629b78cd4efb6760b5e4d3a03ba31193c01dff
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/DEF057803517
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcfd1a077ff273298a1dbc3290629b78cd4efb6760b5e4d3a03ba31193c01dff. 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/DEF057803517.
  date published: 2026-07-02T03:55:08Z
audio: Wachet auf, ruft uns die Stimme, Cantata BWV 140: VII. "Gloria sei dir gesungen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.112
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.226
  additional property: Energy
    type: PropertyValue
    value: 0.162
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.953
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.601
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.512
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.897
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Magnificat in D Major, BWV 243: I. Chorus: "Magnificat"
type: MusicRecording
duration: PT3M10S
duration ms: 190733
explicit: false
by artist: Johann Sebastian Bach
by artist: Münchener Bach-Orchester
by artist: Karl Richter
by artist: Münchener Bach-Chor
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056130601
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T04:54:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3b358f29f1c5fe6b9a551b55994575914501bd32770eea6fb64d91505e5729e3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056130601
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b358f29f1c5fe6b9a551b55994575914501bd32770eea6fb64d91505e5729e3. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056130601.
  date published: 2026-07-02T03:30:09Z
audio: Magnificat in D Major, BWV 243: I. Chorus: "Magnificat"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.623
  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: 0.553
  additional property: Energy
    type: PropertyValue
    value: 0.506
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.89
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.909
  additional property: Liveness
    type: PropertyValue
    value: 0.163
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.881
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.549
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Magnificat in D Major, BWV 243: II. Aria: "Et exsultavit spiritus meus"
type: MusicRecording
duration: PT2M46S
duration ms: 166133
explicit: false
by artist: Johann Sebastian Bach
by artist: Hertha Töpper
by artist: Münchener Bach-Orchester
by artist: Karl Richter
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056130602
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:23:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb1e2302e20f5baede31220127a3e45230d107689139af7df0690344441286dda
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/DEF056130602
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1e2302e20f5baede31220127a3e45230d107689139af7df0690344441286dda. 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/DEF056130602.
  date published: 2026-07-02T03:55:08Z
audio: Magnificat in D Major, BWV 243: II. Aria: "Et exsultavit spiritus meus"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.315
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.419
  additional property: Energy
    type: PropertyValue
    value: 0.13
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.366
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.522
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Magnificat in D Major, BWV 243: III. Quia respexit...4. Omnes generationes
type: MusicRecording
duration: PT4M31S
duration ms: 271826
explicit: false
by artist: Johann Sebastian Bach
by artist: Maria Stader
by artist: Münchener Bach-Orchester
by artist: Karl Richter
by artist: Münchener Bach-Chor
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056130604
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:36:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc0e3f942c05e0a61061c2c1f802d06cbc8aa4ecc3c6f635776dcd849de241a8f
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/DEF056130604
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0e3f942c05e0a61061c2c1f802d06cbc8aa4ecc3c6f635776dcd849de241a8f. 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/DEF056130604.
  date published: 2026-07-02T03:55:08Z
audio: Magnificat in D Major, BWV 243: III. Quia respexit...4. Omnes generationes
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.158
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.203
  additional property: Energy
    type: PropertyValue
    value: 0.185
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.878
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.204
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.091
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Magnificat in D Major, BWV 243: V. Aria: "Quia fecit mihi magna" (bass)
type: MusicRecording
duration: PT2M16S
duration ms: 136440
explicit: false
by artist: Johann Sebastian Bach
by artist: Dietrich Fischer-Dieskau
by artist: Münchener Bach-Orchester
by artist: Karl Richter
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056130605
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:39:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc77be55739b8e5f7d71dddef2fc4d33137e5e7729f4c93f41acae643a135011a
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/DEF056130605
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc77be55739b8e5f7d71dddef2fc4d33137e5e7729f4c93f41acae643a135011a. 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/DEF056130605.
  date published: 2026-07-02T03:55:08Z
audio: Magnificat in D Major, BWV 243: V. Aria: "Quia fecit mihi magna" (bass)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.281
  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: 0.372
  additional property: Energy
    type: PropertyValue
    value: 0.1
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.243
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.382
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Magnificat in D Major, BWV 243: VI. Aria (Duet): "Et misericordia" (alto, tenor)
type: MusicRecording
duration: PT3M49S
duration ms: 229533
explicit: false
by artist: Johann Sebastian Bach
by artist: Hertha Töpper
by artist: Ernst Haefliger
by artist: Münchener Bach-Orchester
by artist: Karl Richter
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056130606
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:41:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x99d56d935f34cf18f60cb14153dbf84aa0775a8d7acd7ea51d359f8a6d893f09
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/DEF056130606
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99d56d935f34cf18f60cb14153dbf84aa0775a8d7acd7ea51d359f8a6d893f09. 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/DEF056130606.
  date published: 2026-07-02T03:55:08Z
audio: Magnificat in D Major, BWV 243: VI. Aria (Duet): "Et misericordia" (alto, tenor)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.222
  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: 0.248
  additional property: Energy
    type: PropertyValue
    value: 0.134
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.037
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.137
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.662
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Magnificat in D Major, BWV 243: VII. Chorus: "Fecit potentiam"
type: MusicRecording
duration: PT2M21S
duration ms: 141800
explicit: false
by artist: Johann Sebastian Bach
by artist: Münchener Bach-Orchester
by artist: Karl Richter
by artist: Münchener Bach-Chor
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056130607
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:49:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc35ccb8fd11b4fd7360bd3bc6e7c7b7c5c73206794262bab83a1118f621dd1ee
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/DEF056130607
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc35ccb8fd11b4fd7360bd3bc6e7c7b7c5c73206794262bab83a1118f621dd1ee. 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/DEF056130607.
  date published: 2026-07-02T03:55:08Z
audio: Magnificat in D Major, BWV 243: VII. Chorus: "Fecit potentiam"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.378
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.317
  additional property: Energy
    type: PropertyValue
    value: 0.42
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.722
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.272
  additional property: Liveness
    type: PropertyValue
    value: 0.336
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.358
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.49
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Magnificat in D Major, BWV 243: VIII. Aria: "Deposuit potentes"
type: MusicRecording
duration: PT2M11S
duration ms: 131332
explicit: false
by artist: Johann Sebastian Bach
by artist: Ernst Haefliger
by artist: Münchener Bach-Orchester
by artist: Karl Richter
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056130603
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T12:18:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1e92479b28a19966c27cf0195434dfbc8bda7d0518e299cf815183d0853f89a8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959128
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959128
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056130603
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T12:33:25Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e92479b28a19966c27cf0195434dfbc8bda7d0518e299cf815183d0853f89a8. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/DEF056130603.
  date published: 2026-07-22T12:33:25Z
audio: Magnificat in D Major, BWV 243: VIII. Aria: "Deposuit potentes"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.521
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.487
  additional property: Energy
    type: PropertyValue
    value: 0.306
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.924
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.059
  additional property: Liveness
    type: PropertyValue
    value: 0.323
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.696
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.582
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Magnificat in D Major, BWV 243: IX. Aria: "Esurientes implevit bonis" (alto)
type: MusicRecording
duration: PT2M58S
duration ms: 178666
explicit: false
by artist: Johann Sebastian Bach
by artist: Hertha Töpper
by artist: Münchener Bach-Orchester
by artist: Karl Richter
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056130608
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T08:29:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2cc607fa3ac06528f6469a49edf8cc9ae522b3e8f05f1e9ae091e04c26bea37f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959114
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959114
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056130608
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T08:41:42Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cc607fa3ac06528f6469a49edf8cc9ae522b3e8f05f1e9ae091e04c26bea37f. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), 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/DEF056130608.
  date published: 2026-07-22T08:41:42Z
audio: Magnificat in D Major, BWV 243: IX. Aria: "Esurientes implevit bonis" (alto)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.192
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.253
  additional property: Energy
    type: PropertyValue
    value: 0.075
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.37
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.321
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.112
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Magnificat in D Major, BWV 243: X. Chorus: "Suscepit Israel"
type: MusicRecording
duration: PT1M53S
duration ms: 113000
explicit: false
by artist: Johann Sebastian Bach
by artist: Maria Stader
by artist: Hertha Töpper
by artist: Münchener Bach-Orchester
by artist: Karl Richter
by artist: Münchener Bach-Chor
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056130611
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T06:58:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4f2d39eab4d8bc2d7852e4882f9c973bc25fd7ae6de46f3e702924216064091e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957039
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957039
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056130611
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T12:58:18Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f2d39eab4d8bc2d7852e4882f9c973bc25fd7ae6de46f3e702924216064091e. Chain 2 (Bitcoin): anchored in block 957039 (2026-07-07T12:58:18Z), 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/DEF056130611.
  date published: 2026-07-07T12:58:18Z
audio: Magnificat in D Major, BWV 243: X. Chorus: "Suscepit Israel"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.54
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.211
  additional property: Energy
    type: PropertyValue
    value: 0.098
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.975
  additional property: Liveness
    type: PropertyValue
    value: 0.138
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.192
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.837
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Magnificat in D Major, BWV 243: XI. Chorus: "Sicut locutus est"
type: MusicRecording
duration: PT1M54S
duration ms: 114200
explicit: false
by artist: Johann Sebastian Bach
by artist: Münchener Bach-Orchester
by artist: Karl Richter
by artist: Münchener Bach-Chor
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056130609
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:43:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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by artist: Johann Sebastian Bach
by artist: Münchener Bach-Orchester
by artist: Karl Richter
by artist: Münchener Bach-Chor
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genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:53:57Z
audio: Magnificat in D Major, BWV 243: XII. Chorus: "Gloria Patri"
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Mahler: Symphony No. 2 "Resurrection" - Nan Merriman Recitals
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Beethoven: Fidelio (Recorded 1961)
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Johann Sebastian Bach: Cantata BWV 51 Jauchzet Gott In Allen Landen - Hochzeitskantate, BWV 202 Weichet Nur, Betrübte Schatten
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  by artist: Berliner Philharmoniker
  by artist: Eugen Jochum
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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
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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track: Te Deum, WAB. 45: IV. Salvum fac
track: Te Deum, WAB. 45: V. In te, Domine, speravi
track: Locus Iste (Motet), WAB. 23
track: Ave Maria (Motet), WAB. 5
track: Tota pulchra es Maria, WAB. 46
track: Virga Jesse (Motet), WAB. 52
track: Ecce Sacerdos Magnus (Motet), WAB. 13
track: Afferentur regi virgines (Motet), WAB. 1
track: Pange Lingua, Gloriosi, WAB. 31
track: Os justi meditabitur sapientiam (Motet), WAB. 30
track: Hymnus "Vexilla regis", WAB. 51
track: Christus Factus Est (Motet), WAB. 11
track: Psalm 150, for Soprano, Chorus and Orchestra, WAB. 38

Anton Bruckner
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Maria Stader
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Sieglinde Wagner
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Ernst Haefliger
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Peter Lagger
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Wolfgang Meyer
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Berliner Philharmoniker
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Eugen Jochum
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Chor der Deutschen Oper Berlin
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Walter Hagen-Groll
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Bruckner: Te Deum; Motetten; 150. Psalm
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OTSVerificationAPI
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17381ba608cccfc43f4b4bfcadd620a7f3f64fec37aacd5b52bfb16b808b4cce. 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/DEF056500963.
date published: 2026-07-02T03:55:08Z

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Te Deum, WAB. 45: IV. Salvum fac
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T11:30:20Z
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by artist: Berliner Philharmoniker
by artist: Eugen Jochum
by artist: Chor der Deutschen Oper Berlin
by artist: Walter Hagen-Groll
in album: Bruckner: Te Deum; Motetten; 150. Psalm
  type: MusicAlbum
  date published: 1999-01-01
popularity: 8
genre: classical
genre: orchestra
isrc code: DEF056500965
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T16:06:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1480749b7dedfdf6a95e45882bf2ff37892adb2bb5208dae9a9890b5a5a1bcd9
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: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500965
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1480749b7dedfdf6a95e45882bf2ff37892adb2bb5208dae9a9890b5a5a1bcd9. 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/DEF056500965.
  date published: 2026-07-29T19:35:34Z
audio: Te Deum, WAB. 45: V. In te, Domine, speravi
  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
    value: 5
  additional property: Danceability
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    value: 0.182
  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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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Locus Iste (Motet), WAB. 23
type: MusicRecording
duration: PT3M43S
duration ms: 223000
explicit: false
by artist: Anton Bruckner
by artist: Eugen Jochum
by artist: Bavarian Radio Chorus
in album: Bruckner: Te Deum; Motetten; 150. Psalm
  type: MusicAlbum
  date published: 1999-01-01
popularity: 4
genre: classical
genre: orchestra
isrc code: DEF056601510
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T08:04:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x72de085a6bbc7e3315ddc06432260af9f3e3e572c372f9b041e2c8795327755a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960229
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960229
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056601510
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T08:30:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72de085a6bbc7e3315ddc06432260af9f3e3e572c372f9b041e2c8795327755a. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/DEF056601510.
  date published: 2026-07-30T08:30:10Z
audio: Locus Iste (Motet), WAB. 23
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 140.307
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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    value: 0.028
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.011
  additional property: Liveness
    type: PropertyValue
    value: 0.059
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.032
  additional property: Loudness (dB)
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    value: -29.481
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ave Maria (Motet), WAB. 5
type: MusicRecording
duration: PT4M8S
duration ms: 248000
explicit: false
by artist: Anton Bruckner
by artist: Eugen Jochum
by artist: Bavarian Radio Chorus
in album: Bruckner: Te Deum; Motetten; 150. Psalm
  type: MusicAlbum
  date published: 1999-01-01
popularity: 3
genre: classical
genre: orchestra
isrc code: DEF056601520
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:44:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8e14c798242a4c903a9fd803d0e17caf1cf59ce95c16f14473b474ebdfbf334c
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/DEF056601520
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e14c798242a4c903a9fd803d0e17caf1cf59ce95c16f14473b474ebdfbf334c. 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/DEF056601520.
  date published: 2026-07-08T03:20:19Z
audio: Ave Maria (Motet), WAB. 5
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.57
  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: 0.164
  additional property: Energy
    type: PropertyValue
    value: 0.016
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.486
  additional property: Liveness
    type: PropertyValue
    value: 0.056
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.034
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.854
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tota pulchra es Maria, WAB. 46
type: MusicRecording
duration: PT5M20S
duration ms: 320000
explicit: false
by artist: Anton Bruckner
by artist: Richard Holm
by artist: Hedwig Bilgram
by artist: Eugen Jochum
by artist: Bavarian Radio Chorus
in album: Bruckner: Te Deum; Motetten; 150. Psalm
  type: MusicAlbum
  date published: 1999-01-01
popularity: 3
genre: classical
genre: orchestra
isrc code: DEF056601530
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T14:27:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x12600d8caf47efc99db0be030eb1b5932925bd1d3fa2ebe6e9d71805591ee281
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960266
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960266
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056601530
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:44:50Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12600d8caf47efc99db0be030eb1b5932925bd1d3fa2ebe6e9d71805591ee281. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/DEF056601530.
  date published: 2026-07-30T14:44:50Z
audio: Tota pulchra es Maria, WAB. 46
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.573
  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: 0.101
  additional property: Energy
    type: PropertyValue
    value: 0.033
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.076
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.512
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Virga Jesse (Motet), WAB. 52
type: MusicRecording
duration: PT4M35S
duration ms: 275000
explicit: false
by artist: Anton Bruckner
by artist: Bavarian Radio Chorus
by artist: Eugen Jochum
in album: Bruckner: Te Deum; Motetten; 150. Psalm
  type: MusicAlbum
  date published: 1999-01-01
popularity: 2
genre: classical
genre: orchestra
isrc code: DEF056601540
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T14:12:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1c8c7451cf0b1f02d99aecdf0aa91cc790260269afdab113dc2b6bb1235fb0a4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960266
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960266
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056601540
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:44:50Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c8c7451cf0b1f02d99aecdf0aa91cc790260269afdab113dc2b6bb1235fb0a4. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/DEF056601540.
  date published: 2026-07-30T14:44:50Z
audio: Virga Jesse (Motet), WAB. 52
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.135
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.179
  additional property: Energy
    type: PropertyValue
    value: 0.087
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.133
  additional property: Liveness
    type: PropertyValue
    value: 0.058
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.973
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ecce Sacerdos Magnus (Motet), WAB. 13
type: MusicRecording
duration: PT6M15S
duration ms: 375000
explicit: false
by artist: Anton Bruckner
by artist: Hedwig Bilgram
by artist: Bavarian Radio Symphony Orchestra
by artist: Eugen Jochum
by artist: Bavarian Radio Chorus
in album: Bruckner: Te Deum; Motetten; 150. Psalm
  type: MusicAlbum
  date published: 1999-01-01
popularity: 3
genre: classical
genre: orchestra
isrc code: DEF056601550
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T03:15:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb078b6a8e0fffe251718da0f3367aa6aaaa8397da70df05927df97615c9b3d90
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960344
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960344
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056601550
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T04:14:58Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb078b6a8e0fffe251718da0f3367aa6aaaa8397da70df05927df97615c9b3d90. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/DEF056601550.
  date published: 2026-07-31T04:14:58Z
audio: Ecce Sacerdos Magnus (Motet), WAB. 13
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.104
  additional property: Energy
    type: PropertyValue
    value: 0.097
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.059
  additional property: Liveness
    type: PropertyValue
    value: 0.35
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.909
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Afferentur regi virgines (Motet), WAB. 1
type: MusicRecording
duration: PT2M6S
duration ms: 126000
explicit: false
by artist: Anton Bruckner
by artist: Bavarian Radio Symphony Orchestra
by artist: Eugen Jochum
by artist: Bavarian Radio Chorus
in album: Bruckner: Te Deum; Motetten; 150. Psalm
  type: MusicAlbum
  date published: 1999-01-01
popularity: 1
genre: classical
genre: orchestra
isrc code: DEF056602230
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T18:19:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2bfbd65b6d48c0e059e4420b70758347384991cc1169169eb8c7ad961e7e5af6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
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/DEF056602230
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bfbd65b6d48c0e059e4420b70758347384991cc1169169eb8c7ad961e7e5af6. 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/DEF056602230.
  date published: 2026-07-08T03:22:41Z
audio: Afferentur regi virgines (Motet), WAB. 1
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.323
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
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  additional property: Acousticness
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Pange Lingua, Gloriosi, WAB. 31
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duration: PT4M29S
duration ms: 269000
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by artist: Anton Bruckner
by artist: Eugen Jochum
by artist: Bavarian Radio Chorus
in album: Bruckner: Te Deum; Motetten; 150. Psalm
  type: MusicAlbum
  date published: 1999-01-01
popularity: 2
genre: classical
genre: orchestra
isrc code: DEF056602220
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960362
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056602220
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:58:00Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T06:58:00Z
audio: Pange Lingua, Gloriosi, WAB. 31
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Os justi meditabitur sapientiam (Motet), WAB. 30
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duration: PT5M6S
duration ms: 306000
explicit: false
by artist: Anton Bruckner
by artist: Bavarian Radio Chorus
by artist: Eugen Jochum
in album: Bruckner: Te Deum; Motetten; 150. Psalm
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  date published: 1999-01-01
popularity: 2
genre: classical
genre: orchestra
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T16:33:26Z
audio: Os justi meditabitur sapientiam (Motet), WAB. 30
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Hymnus "Vexilla regis", WAB. 51
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duration: PT6M9S
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explicit: false
by artist: Anton Bruckner
by artist: Eugen Jochum
by artist: Bavarian Radio Chorus
in album: Bruckner: Te Deum; Motetten; 150. Psalm
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popularity: 1
genre: classical
genre: orchestra
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Hymnus "Vexilla regis", WAB. 51
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Christus Factus Est (Motet), WAB. 11
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duration: PT6M5S
duration ms: 365000
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by artist: Anton Bruckner
by artist: Bavarian Radio Chorus
by artist: Eugen Jochum
in album: Bruckner: Te Deum; Motetten; 150. Psalm
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  date published: 1999-01-01
popularity: 1
genre: classical
genre: orchestra
isrc code: DEF056601580
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightChainExplorerURL
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:26:26Z
audio: Christus Factus Est (Motet), WAB. 11
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Psalm 150, for Soprano, Chorus and Orchestra, WAB. 38
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duration: PT8M50S
duration ms: 530000
explicit: false
by artist: Anton Bruckner
by artist: Maria Stader
by artist: Berliner Philharmoniker
by artist: Eugen Jochum
by artist: Chor der Deutschen Oper Berlin
in album: Bruckner: Te Deum; Motetten; 150. Psalm
  type: MusicAlbum
  date published: 1999-01-01
popularity: 4
genre: classical
genre: orchestra
isrc code: DEF056502830
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T08:30:10Z
audio: Psalm 150, for Soprano, Chorus and Orchestra, WAB. 38
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Cherubini: Requiem in D Minor
type: MusicAlbum
date published: 1999-01-01

Brahms: Ein deutsches Requiem (Mono Version)
type: MusicAlbum
date published: 1960

Mozart: Zaide, K. 344 (Fragment)
type: MusicAlbum
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Mozart: Don Giovanni, Extracts (Stereo Version)
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Mozart: Le nozze di Figaro (Mono Version)
type: MusicAlbum
date published: 1961

Mozart: La flûte enchantée, version abrégée (Mono Version)
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Pierre Monteux in Paris
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date published: 2009-02-17

Singers of the Century: Maria Stader Sings Mozart (2019 Remaster)
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Süßer Die Glocken Nie Klingen (Classical German Christmas Songs)
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date published: 2012-01-01

In Dulci Jubilo: Maria Stader Sings European Songs
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track: O Du Fröhliche, O Du Selige
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  by artist: Münchner Chorbuben
  by artist: Instrumentalensemble
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T18:48:12Z
  audio: O Du Fröhliche, O Du Selige
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Brahms: Ein deutsches Requiem, Op. 45 (Live)
type: MusicAlbum
date published: 2011

Mozart: Eine kleine Nachtmusik & Mahler: Symphony No. 4
type: MusicAlbum
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Maria Stader singt Kantaten von Johann Sebastian Bach
type: MusicAlbum
date published: 1965-10-30

Bruckner: Messe No. 3 (Stereo Version)
type: MusicAlbum
date published: 1963-01-01

Bruckner: Messe No. 3 (1868 Version, Mono Version)
type: MusicAlbum
date published: 1963-01-01

Mozart: Arias
type: MusicAlbum
date published: 1962-07-01

Maria Stader singt aus Oratorien (Stereo Version)
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date published: 1962-01-01

In dulci jubilo (Stereo Version)
type: MusicAlbum
date published: 1962-01-01

Arien von Wolfgang Amadeus Mozart (Mono Version)
type: MusicAlbum
date published: 1962-01-01

Airs de Mozart (Stereo Version)
type: MusicAlbum
date published: 1962-01-01

Maria Stader singt aus Oratorien (Mono Version)
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Mozart: Messe in C Minor, K. 427 "Grosse Messe" (Mono Version)
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Mozart: Grosse Messe, K. 427 (Stereo Version)
type: MusicAlbum
date published: 1960-01-01

Bach: Cantates BWV 51 & BWV 202 (Stereo Version)
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date published: 1960-01-01
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    date published: 2026-07-31T15:27:29Z
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Bach: Cantates BWV 51 & 202 (Mono Version)
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date published: 1960-01-01

Verdi: La traviata (German Version, Stereo Version)
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date published: 1959-01-01

Mozart: Die Entführung aus dem Serail (Short Version, Mono Version)
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date published: 1958-01-01

Beethoven: Missa solemnis (Mono Version)
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Mass In D, Op. 123 "Missa Solemnis" / 2. Gloria - Allegro vivace: Quoniam tu solus Sanctus
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by artist: Anton Dermota
by artist: Josef Greindl
by artist: Wolfgang Meyer
by artist: Berliner Philharmoniker
by artist: Karl Böhm
by artist: Chor der St. Hedwigs-Kathedrale Berlin
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  date published: 2025-01-05
popularity: 2
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genre: classical-piano
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T08:26:41Z
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Mass In D, Op. 123 "Missa Solemnis" / 2. Gloria - Allegro vivace: "Amen, Amen, in gloria Dei Patris" / "Quoniam tu solus..."
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by artist: Anton Dermota
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by artist: Berliner Philharmoniker
by artist: Karl Böhm
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:13Z
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Mass in D, Op. 123 "Missa Solemnis" / 5. Agnus Dei - Adagio: Dona nobis pacem
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by artist: Berliner Philharmoniker
by artist: Karl Böhm
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popularity: 1
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Mass In D, Op. 123 "Missa Solemnis" / 1. Kyrie - Assai sostenuto (Mit Andacht): Christe eleison
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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