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genre: classical piano
description: Lilya Efimovna Zilberstein (; born 19 April 1965) is a Russian-born German pianist. Biography Born in Moscow and educated at the Gnessin State Musical College (1971–88), she rose to prominence after
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  track: Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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Piano Concerto No. 21 in C Major, K. 467: II. Andante
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Partita No. 1 in B-Flat Major, BWV 825: I. Praeludium
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subject of: OpenTimestamps Proof of Existence
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audio: Lyric Pieces, Book 4, Op. 47: No. 3, Melodie
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Jeux d'eau, M. 30
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by artist: Martha Argerich
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subject of: OpenTimestamps Proof of Existence
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Ballade No. 1 in G Minor, Op. 23
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subject of: OpenTimestamps Proof of Existence
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audio: Ballade No. 1 in G Minor, Op. 23
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Kinderszenen, Op. 15: VII. Träumerei
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subject of: OpenTimestamps Proof of Existence
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audio: Kinderszenen, Op. 15: VII. Träumerei
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Bagatelle No. 25 in A Minor, WoO 59 "Für Elise": Poco moto
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Consolations, S. 172: No. 3 in D-Flat Major. Lento, placido
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Nun komm, der Heiden Heiland, BWV 659 - Arranged For Piano By Wilhelm Kempff
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Piano Concerto No. 2 in B-Flat Major, Op. 83: III. Andante
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Piano Sonata No. 23 in F Minor, Op. 57 "Appassionata": III. Allegro ma non troppo
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Piano Concerto in A Minor, Op. 16: II. Adagio - attacca
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2 Arabesques, CD 74: No. 1, Andante con moto
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Children's Corner, CD 119: VI. Cakewalk
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Piano Concerto No. 1 in B-Flat Minor, Op. 23, TH 55: II. Andantino semplice - Prestissimo
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Gymnopédie No. 1: Lent et douloureux
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3 Intermezzi, Op. 117: No. 2 in B-Flat Minor. Andante non troppo e con molto espressione
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Peer Gynt Suite No. 1, Op. 46: I. Prelude (Morning)
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Die Walküre, WWV 86B, Act III: Ride of the Valkyries
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by artist: Orchestre de l'Opéra National de Paris
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Die Walküre, WWV 86B, Act III: Ride of the Valkyries
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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String Quintet in E Major, Op. 11 No. 5: III. Minuet
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:18:56Z
audio: String Quintet in E Major, Op. 11 No. 5: III. Minuet
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Brandenburg Concerto No. 3 in G Major, BWV 1048: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 3 in G Major, BWV 1048: I. Allegro
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Harpsichord Suite No. 4 in D Minor, HWV 437: Sarabande
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Harpsichord Suite No. 4 in D Minor, HWV 437: Sarabande
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Nocturne No. 2 in E-Flat Major, Op. 9 No. 2
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audio: Nocturne No. 2 in E-Flat Major, Op. 9 No. 2
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Clarinet Concerto in A Major, K. 622: II. Adagio
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Harpsichord Concerto No. 5 in F Minor, BWV 1056: II. Largo
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Pictures at an Exhibition: Promenade I
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The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": I. Allegro
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The Four Seasons, Violin Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": III. Presto
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The Four Seasons, Violin Concerto in F Major, Op. 8 No. 3, RV 293 "Autumn": I. Allegro
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The Four Seasons, Violin Concerto in F Minor, RV 297 "Winter": II. Largo
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Piano Sonata No. 16 in C Major, K. 545: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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Orfeo ed Euridice, Wq 30, Act II: Dance of the Blessed Spirits
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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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Symphony No. 9 in E Minor, B. 178 "From the New World": II. Largo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Symphony No. 9 in E Minor, B. 178 "From the New World": II. Largo
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Má Vlast, JB 1:112: II. Die Moldau
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Má Vlast, JB 1:112: II. Die Moldau
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Suite Bergamasque, L. 75: III. Clair de lune
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  date published: 2026-07-08T03:22:41Z
audio: Suite Bergamasque, L. 75: III. Clair de lune
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Variations on an Original Theme, Op. 36 "Enigma": X. Var. IX. Adagio "Nimrod"
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  date published: 2026-07-08T03:22:41Z
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Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": I. Allegro
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Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": II. Romanze. Andante
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duration: PT5M44S
duration ms: 344600
explicit: false
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by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
in album: Berühmte klassische Musik
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popularity: 0
genre: classical
genre: classical-era
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb492139493bf1d6268d4b6b01e3179f381e1fbd8fc855a4b1cc66fac7e0f4767. 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/GBAYC9003017.
  date published: 2026-07-08T03:20:19Z
audio: Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": II. Romanze. Andante
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Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": III. Menuetto. Allegretto
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duration: PT1M58S
duration ms: 118360
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
in album: Berühmte klassische Musik
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popularity: 0
genre: classical
genre: classical-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": III. Menuetto. Allegretto
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Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": IV. Rondo. Allegro
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duration: PT3M1S
duration ms: 181760
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
in album: Berühmte klassische Musik
  type: MusicAlbum
  date published: 2023-12-13
popularity: 0
genre: classical
genre: classical-era
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additional property: CopyrightID
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": IV. Rondo. Allegro
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Consolations, S. 172: III. Lento placido
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by artist: Mariam Batsashvili
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popularity: 0
genre: classical
genre: late-romantic-era
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbc3a538ea1573f92c9dca232824deb5e879e0091ca4cfb0dea27fdeb5ce402a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1900263.
  date published: 2026-07-08T03:53:27Z
audio: Consolations, S. 172: III. Lento placido
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Goldberg Variations, BWV 988: Aria
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duration: PT3M6S
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by artist: Johann Sebastian Bach
by artist: Maria Tipo
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popularity: 0
genre: classical
genre: classical-piano
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additional property: CopyrightID
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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
audio: Goldberg Variations, BWV 988: Aria
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Concierto de Aranjuez: II. Adagio
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by artist: Plácido Domingo
by artist: Manuel Barrueco
by artist: Philharmonia Orchestra
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popularity: 0
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additional property: CopyrightID
additional property: CopyrightStatus
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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: 2026-07-08T08:56:20Z
audio: Concierto de Aranjuez: II. Adagio
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Carmina Burana: I. O Fortuna
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by artist: Riccardo Muti
by artist: Philharmonia Orchestra
by artist: Philharmonia Chorus
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popularity: 0
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Carmina Burana: I. O Fortuna
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track: Holberg Suite, Op. 40: II. Sarabande (Andante)
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track: Peer Gynt, Op. 23, Act I: No. 3, Springar
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track: Symphonic Dances, Op. 64: 2. Allegretto grazioso
track: Two Elegiac Melodies, Op. 34: I. Heart-Wounds
track: 2 Elegiac Melodies, Op. 34: II. The Last Spring
track: Symphonic Dances, Op. 64: 4. Andante - Allegro molto e risoluto
track: Two Melodies op.53: 1. Norwegian: Allegro risoluto - Poco tranquillo
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track: Lyric Pieces, Op. 54 - Orch. by Edvard Grieg: V. March of the Trolls: Allegro Marcato
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11cda2c9e5931397bc3b56acfe387bf23ea9bb2ffb5a1b7fbd306af5762ee180. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059302024.
  date published: 2026-07-06T07:16:32Z
audio: Piano Concerto in A Minor, Op. 16: III. Allegro moderato molto e marcato
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Holberg Suite, Op. 40: III. Gavotte (Allegretto) - Musette (poco più mosso) - Gavotte
type: MusicRecording
duration: PT3M31S
duration ms: 211000
explicit: false
by artist: Edvard Grieg
by artist: Gothenburg Symphony Orchestra
by artist: Neeme Järvi
in album: Grieg: Complete Music with Orchestra
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  date published: 2001-01-01
genre: classical
genre: late-romantic-era
genre: norwegian-classical
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additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059202143
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73067489b4eaa7f8adb3b21c77caac52eda40bade2105498d4549462058a102b. 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/DEF059202143.
  date published: 2026-06-13T15:41:10Z
audio: Holberg Suite, Op. 40: III. Gavotte (Allegretto) - Musette (poco più mosso) - Gavotte
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Peer Gynt, Op. 23, Act I: No. 3, Springar
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duration: PT2M6S
duration ms: 126800
explicit: false
by artist: Edvard Grieg
by artist: Gothenburg Symphony Orchestra
by artist: Neeme Järvi
by artist: Knut Buen
in album: Grieg: Complete Music with Orchestra
  type: MusicAlbum
  date published: 2001-01-01
genre: classical
genre: late-romantic-era
genre: norwegian-classical
isrc code: DEF058730024
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: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058730024
additional property: OTSTimestamp
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  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0064a2d2dc7ca11bb9c92bb496010a751a9d4dbf9fe3fb972ec11b8cc66e4122. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058730024.
  date published: 2026-07-08T03:53:27Z
audio: Peer Gynt, Op. 23, Act I: No. 3, Springar
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  additional property: Tempo (BPM)
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In Autumn, Op. 11
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duration: PT11M15S
duration ms: 675226
explicit: false
by artist: Edvard Grieg
by artist: Gothenburg Symphony Orchestra
by artist: Neeme Järvi
in album: Grieg: Complete Music with Orchestra
  type: MusicAlbum
  date published: 2001-01-01
genre: classical
genre: late-romantic-era
genre: norwegian-classical
isrc code: DEF058802190
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f42f06a246ccb35c76c0b10966d91e34fbb71921ed50bdec651008e9eb7f36c. 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/DEF058802190.
  date published: 2026-06-13T15:41:10Z
audio: In Autumn, Op. 11
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Holberg Suite, Op. 40: IV. Air (Andante religioso)
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duration: PT5M21S
duration ms: 321000
explicit: false
by artist: Edvard Grieg
by artist: Gothenburg Symphony Orchestra
by artist: Neeme Järvi
in album: Grieg: Complete Music with Orchestra
  type: MusicAlbum
  date published: 2001-01-01
genre: classical
genre: late-romantic-era
genre: norwegian-classical
isrc code: DEF059202144
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059202144
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xade6f05a728471fa9366c043a2b49f6193798948a149246c9afebf4d3bca77ba. 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/DEF059202144.
  date published: 2026-06-13T15:41:10Z
audio: Holberg Suite, Op. 40: IV. Air (Andante religioso)
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Holberg Suite, Op. 40: V. Rigaudon (Allegro con brio)
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duration: PT4M1S
duration ms: 241240
explicit: false
by artist: Edvard Grieg
by artist: Gothenburg Symphony Orchestra
by artist: Neeme Järvi
in album: Grieg: Complete Music with Orchestra
  type: MusicAlbum
  date published: 2001-01-01
genre: classical
genre: late-romantic-era
genre: norwegian-classical
isrc code: DEF059202145
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44ce479b0883cdd557071dfea651c3effa20614c78d517efeee44f57da2e073a. 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/DEF059202145.
  date published: 2026-06-13T15:41:10Z
audio: Holberg Suite, Op. 40: V. Rigaudon (Allegro con brio)
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  additional property: Tempo (BPM)
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Peer Gynt, Op. 23, Act II: No. 5, Peer Gynt and the Herd Girls
type: MusicRecording
duration: PT4M4S
duration ms: 244360
explicit: false
by artist: Edvard Grieg
by artist: Maria Andersson
by artist: Monica Einarson
by artist: Charlotte Forsberg
by artist: Toralv Maurstad
by artist: Gothenburg Symphony Orchestra
by artist: Neeme Järvi
by artist: Gösta Ohlin's Vocal Ensemble
by artist: Pro Musica Chamber Choir
by artist: Gösta Ohlin
in album: Grieg: Complete Music with Orchestra
  type: MusicAlbum
  date published: 2001-01-01
genre: classical
genre: late-romantic-era
genre: norwegian-classical
isrc code: DEF058730010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8685517cd694663367a8d60201b8f52cf3b573fb91fb62b31a200cc163894e5. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058730010.
  date published: 2026-07-08T03:53:27Z
audio: Peer Gynt, Op. 23, Act II: No. 5, Peer Gynt and the Herd Girls
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Symphonic Dances, Op. 64: 2. Allegretto grazioso
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duration: PT6M2S
duration ms: 362000
explicit: false
by artist: Edvard Grieg
by artist: Gothenburg Symphony Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: Symphonic Dances, Op. 64: 2. Allegretto grazioso
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Two Elegiac Melodies, Op. 34: I. Heart-Wounds
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by artist: Gothenburg Symphony Orchestra
by artist: Neeme Järvi
in album: Grieg: Complete Music with Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Two Elegiac Melodies, Op. 34: I. Heart-Wounds
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2 Elegiac Melodies, Op. 34: II. The Last Spring
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by artist: Gothenburg Symphony Orchestra
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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
audio: 2 Elegiac Melodies, Op. 34: II. The Last Spring
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Symphonic Dances, Op. 64: 4. Andante - Allegro molto e risoluto
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by artist: Gothenburg Symphony Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Symphonic Dances, Op. 64: 4. Andante - Allegro molto e risoluto
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Two Melodies op.53: 1. Norwegian: Allegro risoluto - Poco tranquillo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Two Melodies op.53: 1. Norwegian: Allegro risoluto - Poco tranquillo
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Peer Gynt, Op. 23, Act II: No. 8, In the Hall of the Mountain King
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by artist: Tor Stokke
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by artist: Gösta Ohlin's Vocal Ensemble
by artist: Pro Musica Chamber Choir
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genre: classical
genre: late-romantic-era
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Peer Gynt, Op. 23, Act II: No. 8, In the Hall of the Mountain King
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Two Melodies op.53: 2. The First Meeting: Lento
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subject of: OpenTimestamps Proof of Existence
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Two Lyric pieces Op. 68: I. Evening in the Mountains: Andantino
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by artist: Gothenburg Symphony Orchestra
by artist: Neeme Järvi
by artist: Marten Larsson
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Peer Gynt, Op. 23, Act III: No. 12a, The Death of Åse (Prelude to Act III)
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by artist: Gothenburg Symphony Orchestra
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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: Peer Gynt, Op. 23, Act III: No. 12a, The Death of Åse (Prelude to Act III)
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Two Lyric Pieces Op. 68: II. At The Cradle: Allegretto con moto
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Two Lyric Pieces Op. 68: II. At The Cradle: Allegretto con moto
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Lyric Pieces, Op. 54 - Orch. by Edvard Grieg: I. Shepherd Boy: Andantino espressivo
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by artist: Neeme Järvi
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genre: late-romantic-era
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T15:41:47Z
audio: Lyric Pieces, Op. 54 - Orch. by Edvard Grieg: I. Shepherd Boy: Andantino espressivo
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Peer Gynt, Op. 23, Act IV: No. 13, Prelude. Morning Mood
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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: Peer Gynt, Op. 23, Act IV: No. 13, Prelude. Morning Mood
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Lyric Pieces, Op. 54 - Orch. by Edvard Grieg: III. Norwegian March: Allegretto marcato
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by artist: Neeme Järvi
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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audio: Lyric Pieces, Op. 54 - Orch. by Edvard Grieg: III. Norwegian March: Allegretto marcato
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Peer Gynt, Op. 23, Act IV: No. 15, Arabian Dance
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by artist: Pro Musica Chamber Choir
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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audio: Peer Gynt, Op. 23, Act IV: No. 15, Arabian Dance
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Peer Gynt, Op. 23, Act IV: No. 16, Anitra's Dance
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Lyric Pieces, Op. 54 - Orch. by Edvard Grieg: V. March of the Trolls: Allegro Marcato
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Peer Gynt, Op. 23, Act IV: No. 17, Peer Gynt's Serenade
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Peer Gynt, Op. 23, Act IV: No. 18, Peer Gynt and Anitra
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Martha Argerich and Friends Live from the Lugano Festival 2015
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track: Brahms: Clarinet Trio in A Minor, Op. 114: III. Andantino grazioso
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track: Schumann: 6 Studien in kanonischer Form, Op. 56: No. 2, Mit innigem Ausdruck (Arr. Debussy for 2 Pianos) [Live]
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track: Schumann: 6 Studien in kanonischer Form, Op. 56: No. 4, Innig (Arr. Debussy for 2 Pianos) [Live]
track: Turina: Piano Trio No. 2 in B Minor, Op. 76: I. Lento - Allegro molto moderato
track: Glass: Suite from Les enfants terribles: II. The Somnambulist

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x312e8d83daadbf01fba6d71fa95c08befa14dd2091256ffc3a396cdee9212990. 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/CH8291600571.
date published: 2026-07-08T03:20:19Z

Schumann: 6 Studien in kanonischer Form, Op. 56: No. 2, Mit innigem Ausdruck (Arr. Debussy for 2 Pianos) [Live]
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additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
  type: PropertyValue
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additional property: Key Name
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additional property: Mode Name
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Schumann: 6 Studien in kanonischer Form, Op. 56: No. 4, Innig (Arr. Debussy for 2 Pianos) [Live]
type: MusicRecording
duration: PT3M18S
duration ms: 198160
explicit: false
by artist: Robert Schumann
by artist: Martha Argerich
by artist: Lilya Zilberstein
in album: Martha Argerich and Friends Live from the Lugano Festival 2015
  type: MusicAlbum
  date published: 2016-05-13
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: CH8291600573
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH8291600573
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a6dc52a211bce85b33f11c2dccb2f641b48736fbab664801085bee01f66d0ba. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH8291600573.
  date published: 2026-07-08T03:53:27Z
audio: Schumann: 6 Studien in kanonischer Form, Op. 56: No. 4, Innig (Arr. Debussy for 2 Pianos) [Live]
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  additional property: Mode (Major/Minor)
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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Turina: Piano Trio No. 2 in B Minor, Op. 76: I. Lento - Allegro molto moderato
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duration: PT6M9S
duration ms: 369146
explicit: false
by artist: Joaquín Turina
by artist: Martha Argerich
in album: Martha Argerich and Friends Live from the Lugano Festival 2015
  type: MusicAlbum
  date published: 2016-05-13
genre: chamber-music
isrc code: CH8291600585
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH8291600585
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0696f117375f31c3755d3eeaeffdccc2abd9f712f67915a9c1539ac336379b5f. 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/CH8291600585.
  date published: 2026-07-08T03:22:41Z
audio: Turina: Piano Trio No. 2 in B Minor, Op. 76: I. Lento - Allegro molto moderato
  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
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Glass: Suite from Les enfants terribles: II. The Somnambulist
type: MusicRecording
duration: PT3M26S
duration ms: 206520
explicit: false
by artist: Philip Glass
by artist: Martha Argerich
in album: Martha Argerich and Friends Live from the Lugano Festival 2015
  type: MusicAlbum
  date published: 2016-05-13
isrc code: CH8291600608
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH8291600608
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b551b01d73603c605ad49f5490fbc912a4672b689fcb43a7c674ad22b52c369. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH8291600608.
  date published: 2026-07-06T07:53:57Z
audio: Glass: Suite from Les enfants terribles: II. The Somnambulist
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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The Lugano Recordings (Live)
type: MusicAlbum
date published: 2018-09-21
track: Mozart: Piano Concerto No. 20 in D Minor, K. 466: II. Romance (Live)
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  duration: PT8M55S
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  by artist: Wolfgang Amadeus Mozart
  by artist: Martha Argerich
  by artist: Jacek Kaspszyk
  by artist: Orchestra della Svizzera Italiana
  in album: The Lugano Recordings (Live)
    type: MusicAlbum
    date published: 2018-09-21
  genre: classical
  genre: classical-era
  isrc code: CH8291500493
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeba6783308dae67bf894a2b32522c28f5c344f7f6422ad7053eb64354120ddd9. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH8291500493.
    date published: 2026-07-08T03:53:27Z
  audio: Mozart: Piano Concerto No. 20 in D Minor, K. 466: II. Romance (Live)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 106.624
    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: Mozart / Arr. Grieg for Two Pianos: Piano Sonata No. 16 in C Major, K. 545 "Semplice": I. Allegro (Live)
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  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Martha Argerich
  by artist: Piotr Anderszewski
  in album: The Lugano Recordings (Live)
    type: MusicAlbum
    date published: 2018-09-21
  genre: classical
  genre: classical-era
  isrc code: GBAYC0502402
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: OTSVerificationAPI
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4067b164f366eecd04d6d4f450e5c73bc7f83cc451e81f90c2aa01da6fa4a080. 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/GBAYC0502402.
    date published: 2026-07-08T03:22:41Z
  audio: Mozart / Arr. Grieg for Two Pianos: Piano Sonata No. 16 in C Major, K. 545 "Semplice": I. Allegro (Live)
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -27.471
    additional property: Key Name
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    additional property: Mode Name
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track: Mozart / Arr. Grieg for Two Pianos: Piano Sonata No. 16 in C Major, K. 545 "Semplice": II. Andante (Live)
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  duration: PT7M14S
  duration ms: 434920
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Martha Argerich
  by artist: Piotr Anderszewski
  in album: The Lugano Recordings (Live)
    type: MusicAlbum
    date published: 2018-09-21
  genre: classical
  genre: classical-era
  isrc code: GBAYC0502403
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    type: PropertyValue
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Mozart / Arr. Grieg for Two Pianos: Piano Sonata No. 16 in C Major, K. 545 "Semplice": II. Andante (Live)
track: Mozart / Arr. Grieg for Two Pianos: Piano Sonata No. 16 in C Major, K. 545 "Semplice": III. Rondo. Allegretto (Live)
track: Mozart: Piano Concerto No. 25 in C Major, K. 503: II. Andante (Live)
track: Mozart: Sonata for Piano 4-Hands in D Major, K. 381: III. Allegro molto (Live)
track: Mozart: Sonata for 2 Pianos in D Major, K. 448: I. Allegro con spirito (Live)
track: Mozart: Sonata for 2 Pianos in D Major, K. 448: II. Andante (Live)
track: Mozart / Arr. Busoni for Two Pianos: Fantasia for Mechanical Organ in F Minor, K. 608 (Live)
track: Mozart: 5 Variations in G Major for Piano 4-Hands, K. 501: Thema. Andante (Live)
track: Mozart: 5 Variations in G Major for Piano 4-Hands, K. 501: Variation II (Live)
track: Mozart: 5 Variations in G Major for Piano 4-Hands, K. 501: Variation III (Live)
track: Mozart: 5 Variations in G Major for Piano 4-Hands, K. 501: Variation IV (Live)
track: Mozart: 5 Variations in G Major for Piano 4-Hands, K. 501: Variation V (Live)
track: Haydn: Keyboard Trio in G Major, Hob. XV:25 "Gypsy": III. Finale. Rondo all'ongarese (Live)
track: Beethoven: Violin Sonata No. 8 in G Major, Op. 30 No. 3: II. Tempo di minuetto, ma molto moderato e grazioso (Live)
track: Beethoven: Violin Sonata No. 8 in G Major, Op. 30 No. 3: III. Allegro vivace (Live)
track: Beethoven: Piano Trio No. 4 in B-Flat Major, Op. 11 "Gassenhauer": III. Tema con variazioni (Live)
track: Beethoven: 7 Variations on "Bei Männern, welche Liebe fühlen", WoO 46: Thema. Andante (Live)
track: Beethoven: 7 Variations on "Bei Männern, welche Liebe fühlen", WoO 46: Variation I (Live)
track: Beethoven: Piano Concerto No. 1 in C Major, Op. 15: III. Rondo. Allegro scherzando (Live)

CopyrightChainExplorerURL
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OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 957120

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0502403

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

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

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

Mozart / Arr. Grieg for Two Pianos: Piano Sonata No. 16 in C Major, K. 545 "Semplice": II. Andante (Live)
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Mozart / Arr. Grieg for Two Pianos: Piano Sonata No. 16 in C Major, K. 545 "Semplice": III. Rondo. Allegretto (Live)
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  date published: 2026-07-08T03:22:41Z
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Mozart: Piano Concerto No. 25 in C Major, K. 503: II. Andante (Live)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Mozart: Piano Concerto No. 25 in C Major, K. 503: II. Andante (Live)
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Mozart: Sonata for Piano 4-Hands in D Major, K. 381: III. Allegro molto (Live)
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  date published: 2026-07-08T03:20:19Z
audio: Mozart: Sonata for Piano 4-Hands in D Major, K. 381: III. Allegro molto (Live)
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Mozart: Sonata for 2 Pianos in D Major, K. 448: I. Allegro con spirito (Live)
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  date published: 2026-07-07T14:50:41Z
audio: Mozart: Sonata for 2 Pianos in D Major, K. 448: I. Allegro con spirito (Live)
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Mozart: Sonata for 2 Pianos in D Major, K. 448: II. Andante (Live)
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  date published: 2026-07-08T03:53:27Z
audio: Mozart: Sonata for 2 Pianos in D Major, K. 448: II. Andante (Live)
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Mozart / Arr. Busoni for Two Pianos: Fantasia for Mechanical Organ in F Minor, K. 608 (Live)
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  date published: 2026-07-08T08:56:20Z
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Mozart: 5 Variations in G Major for Piano 4-Hands, K. 501: Thema. Andante (Live)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:39:04Z
audio: Mozart: 5 Variations in G Major for Piano 4-Hands, K. 501: Thema. Andante (Live)
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Mozart: 5 Variations in G Major for Piano 4-Hands, K. 501: Variation II (Live)
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by artist: Martha Argerich
by artist: Stephen Kovacevich
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Mozart: 5 Variations in G Major for Piano 4-Hands, K. 501: Variation II (Live)
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Mozart: 5 Variations in G Major for Piano 4-Hands, K. 501: Variation III (Live)
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by artist: Wolfgang Amadeus Mozart
by artist: Martha Argerich
by artist: Stephen Kovacevich
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genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Mozart: 5 Variations in G Major for Piano 4-Hands, K. 501: Variation III (Live)
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Mozart: 5 Variations in G Major for Piano 4-Hands, K. 501: Variation IV (Live)
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by artist: Wolfgang Amadeus Mozart
by artist: Martha Argerich
by artist: Stephen Kovacevich
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genre: classical
genre: classical-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Mozart: 5 Variations in G Major for Piano 4-Hands, K. 501: Variation IV (Live)
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Mozart: 5 Variations in G Major for Piano 4-Hands, K. 501: Variation V (Live)
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by artist: Wolfgang Amadeus Mozart
by artist: Martha Argerich
by artist: Stephen Kovacevich
in album: The Lugano Recordings (Live)
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genre: classical
genre: classical-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Mozart: 5 Variations in G Major for Piano 4-Hands, K. 501: Variation V (Live)
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Haydn: Keyboard Trio in G Major, Hob. XV:25 "Gypsy": III. Finale. Rondo all'ongarese (Live)
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by artist: Renaud Capuçon
by artist: Gautier Capuçon
by artist: Martha Argerich
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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: 2026-07-08T03:39:04Z
audio: Haydn: Keyboard Trio in G Major, Hob. XV:25 "Gypsy": III. Finale. Rondo all'ongarese (Live)
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Beethoven: Violin Sonata No. 8 in G Major, Op. 30 No. 3: II. Tempo di minuetto, ma molto moderato e grazioso (Live)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Beethoven: Violin Sonata No. 8 in G Major, Op. 30 No. 3: II. Tempo di minuetto, ma molto moderato e grazioso (Live)
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Beethoven: Violin Sonata No. 8 in G Major, Op. 30 No. 3: III. Allegro vivace (Live)
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x586ff6f9a5d6059f5fadef0e55b84703abc7a6b697995c6bbf40c65ca211fcde. 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/GBAYC1200398.
  date published: 2026-07-08T03:20:19Z
audio: Beethoven: Violin Sonata No. 8 in G Major, Op. 30 No. 3: III. Allegro vivace (Live)
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Beethoven: Piano Trio No. 4 in B-Flat Major, Op. 11 "Gassenhauer": III. Tema con variazioni (Live)
type: MusicRecording
duration: PT6M18S
duration ms: 378880
explicit: false
by artist: Ludwig van Beethoven
by artist: Martha Argerich
by artist: Marek Denemark
by artist: Mark Drobinsky
in album: The Lugano Recordings (Live)
  type: MusicAlbum
  date published: 2018-09-21
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBPFW1800094
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPFW1800094
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b567fae9b75c9d413cef4da93140e50b5beb1b46a86cb7ed074f59d52a2f895. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPFW1800094.
  date published: 2026-07-08T03:53:27Z
audio: Beethoven: Piano Trio No. 4 in B-Flat Major, Op. 11 "Gassenhauer": III. Tema con variazioni (Live)
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Beethoven: 7 Variations on "Bei Männern, welche Liebe fühlen", WoO 46: Thema. Andante (Live)
type: MusicRecording
duration: PT0M50S
duration ms: 50106
explicit: false
by artist: Ludwig van Beethoven
by artist: Martha Argerich
by artist: Mischa Maisky
in album: The Lugano Recordings (Live)
  type: MusicAlbum
  date published: 2018-09-21
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: CH8291800783
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39732d28eb16e0cf7be7c22f17794c54373b3ed550993056410e1629d783530f. 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/CH8291800783.
  date published: 2026-07-08T03:22:41Z
audio: Beethoven: 7 Variations on "Bei Männern, welche Liebe fühlen", WoO 46: Thema. Andante (Live)
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  additional property: Valence (Positivity)
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Beethoven: 7 Variations on "Bei Männern, welche Liebe fühlen", WoO 46: Variation I (Live)
type: MusicRecording
duration: PT0M39S
duration ms: 39000
explicit: false
by artist: Ludwig van Beethoven
by artist: Martha Argerich
by artist: Mischa Maisky
in album: The Lugano Recordings (Live)
  type: MusicAlbum
  date published: 2018-09-21
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: CH8291800784
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c7ad37a7582c6ff37d25dc0b8ef62911034417c167c60e4e071e308fe3ad485. 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/CH8291800784.
  date published: 2026-07-08T03:22:41Z
audio: Beethoven: 7 Variations on "Bei Männern, welche Liebe fühlen", WoO 46: Variation I (Live)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Beethoven: Piano Concerto No. 1 in C Major, Op. 15: III. Rondo. Allegro scherzando (Live)
type: MusicRecording
duration: PT9M9S
duration ms: 549880
explicit: false
by artist: Ludwig van Beethoven
by artist: Martha Argerich
by artist: Hubert Soudant
by artist: Orchestra della Svizzera Italiana
in album: The Lugano Recordings (Live)
  type: MusicAlbum
  date published: 2018-09-21
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: CH8291400324
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15791b7c183315134818e4da2b77923cdd278de9563e909fe2e4386c0fd78e2b. 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/CH8291400324.
  date published: 2026-07-08T03:22:41Z
audio: Beethoven: Piano Concerto No. 1 in C Major, Op. 15: III. Rondo. Allegro scherzando (Live)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Live from the Lugano Festival 2007
type: MusicAlbum
date published: 2008-03-03
track: Ma Mère l'oye, cinq pièces enfantines: I. Pavane de la Belle au Bois dormant
  type: MusicRecording
  duration: PT1M22S
  duration ms: 82360
  explicit: false
  by artist: Maurice Ravel
  by artist: Martha Argerich
  by artist: Alexander Mogilewsky
  in album: Live from the Lugano Festival 2007
    type: MusicAlbum
    date published: 2008-03-03
  genre: classical
  genre: impressionism
  genre: neoclassicism
  genre: post-romantic-era
  isrc code: GBAYC0704144
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  additional property: CopyrightChainExplorerURL
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bef55fb4a785b13e8d4ea3129aed6c612bdc104624ff02a25b516aca844106d. 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/GBAYC0704144.
    date published: 2026-07-02T03:55:08Z
  audio: Ma Mère l'oye, cinq pièces enfantines: I. Pavane de la Belle au Bois dormant
    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
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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track: Andante and Variation for two pianos, Op.46
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  duration: PT13M28S
  duration ms: 808160
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  by artist: Gabriela Montero
  by artist: Martha Argerich
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    type: MusicAlbum
    date published: 2008-03-03
  genre: classical
  genre: classical-piano
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c27593655794982840da5453bd5b2365f9c0c3f5615e564a7d0562b44070230. 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/GBAYC0704124.
    date published: 2026-06-13T15:41:10Z
  audio: Andante and Variation for two pianos, Op.46
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
      type: PropertyValue
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    additional property: Speechiness
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    additional property: Acousticness
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  genre: impressionism
  genre: neoclassicism
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  subject of: OpenTimestamps Proof of Existence
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track: Ma Mère l'oye, cinq pièces enfantines: III. Laideronnette, Impératrice des Pagodes
track: Ma Mère l'oye, cinq pièces enfantines: IV. Les entretiens de la Belle et de la Bête
track: Ma Mère l'oye, cinq pièces enfantines: V. Le jardin féerique
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x755ddc016220e0a7082ff6e59b8a05af2026efcae3bbfa5042e1528b40d734b4. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/GBAYC0704145.
date published: 2026-07-07T14:18:56Z

Ma Mère l'oye, cinq pièces enfantines: II. Petit Poucet
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Ma Mère l'oye, cinq pièces enfantines: III. Laideronnette, Impératrice des Pagodes
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by artist: Martha Argerich
by artist: Alexander Mogilewsky
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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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Ma Mère l'oye, cinq pièces enfantines: IV. Les entretiens de la Belle et de la Bête
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by artist: Martha Argerich
by artist: Alexander Mogilewsky
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genre: classical
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Ma Mère l'oye, cinq pièces enfantines: IV. Les entretiens de la Belle et de la Bête
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Ma Mère l'oye, cinq pièces enfantines: V. Le jardin féerique
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by artist: Martha Argerich
by artist: Alexander Mogilewsky
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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
audio: Ma Mère l'oye, cinq pièces enfantines: V. Le jardin féerique
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by artist: Martha Argerich
in album: Live from the Lugano Festival 2007
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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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    date published: 2026-06-13T12:47:07Z
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Nocturne No. 19 in E Minor, Op. 72, No. 1
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12 Études, Op. 10: No. 12 in C Minor "Revolutionary"
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24 Preludes, Op. 28: No. 11 in B Major. Vivace - Recorded 1974
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Fantaisie-Impromptu in C-Sharp Minor, Op. 66
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12 Etudes, Op. 25: No. 1 In A Flat Major - "Harp Study"
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Mazurka No. 5 in B-Flat Major, Op. 7 No. 1. Vivace
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24 Préludes, Op. 28: No. 7 in A Major
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Polonaise in B-Flat Major, KK IVa/1
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24 Préludes, Op. 28: No. 7 in A Major: Andantino
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Waltz No. 8 in A-Flat Major, Op. 64 No. 3
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audio: Waltz No. 8 in A-Flat Major, Op. 64 No. 3
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Les Sylphides: 3. Valse
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Waltz No. 14 in E Minor, KK IVa/15
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Mazurka in B flat major (KK 1223)
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by artist: Lilya Zilberstein
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Mazurka in B flat major (KK 1223)
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24 Préludes, Op. 28: No. 21 in B-Flat Major: Cantabile - Live
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: 24 Préludes, Op. 28: No. 21 in B-Flat Major: Cantabile - Live
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Mazurka in D major (KK 1224)
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by artist: Lilya Zilberstein
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Mazurka in D major (KK 1224)
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Mazurka No. 34 in C Major, Op. 56 No. 2. Vivace
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Mazurka No. 34 in C Major, Op. 56 No. 2. Vivace
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Waltz No. 6 in D Flat, Op. 64 No. 1 -"Minute"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Waltz No. 6 in D Flat, Op. 64 No. 1 -"Minute"
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Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2
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by artist: Maria João Pires
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2
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3 Ecossaises, Op. 72 No. 3
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subject of: OpenTimestamps Proof of Existence
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Mazurka No. 36 In A Minor Op. 59 No. 1
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subject of: OpenTimestamps Proof of Existence
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12 Etudes, Op. 25: No. 2 in F minor
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subject of: OpenTimestamps Proof of Existence
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Waltz No. 8 in A-Flat Major, Op. 64, No. 3 (Arr. Godowsky)
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  date published: 2026-07-02T03:55:08Z
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Variation sur la marche des Puritains de Bellini, KK Anh. Ia/5 (Var. 6 of Hexaméron by Liszt, S. 392)
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  date published: 2026-07-02T03:55:08Z
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Mazurka in G major (KK 896-900)
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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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Piano Sonata No. 2 in B-Flat Minor, Op. 35: IV. Finale (Presto)
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  date published: 2026-07-02T03:55:08Z
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Mazurka No. 37 In A Flat Op. 59 No. 2
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Tarantelle in A-Flat Major, Op. 43
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3 Mazurkas, Op. 63: No. 2 In F Minor. Lento
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Waltz No. 5 in A-Flat Major, Op. 42
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24 Préludes, Op. 28, C. 166-189: No. 9 Largo in E Major, C. 174 - Live
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3 Mazurkas, Op. 59: No. 1 in A Minor. Moderato
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Mazurka No. 38 In F Sharp Minor Op. 59 No. 3
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Waltz No. 5 in A flat, Op. 42 - "Grande valse"
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12 Etudes, Op. 25: No. 4 In A Minor
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Waltz No. 13 in D-Flat Major, Op. 70 No. 3
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Fugue in A Minor, KK IVc/2
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3 Mazurkas, Op. 59: No. 3 in F-Sharp Minor. Vivace
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12 Etudes, Op. 25: No. 2 in F Minor
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Piano Sonata No. 3 in B Minor, Op. 58: II. Scherzo. Molto vivace - Live
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12 Etudes, Op. 25: No. 2 In F Minor
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audio: 12 Etudes, Op. 25: No. 2 In F Minor
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Introduction And Polonaise, Op. 3: Introduction - Lento - Excerpt / Live At Concert Hall, Kyoto / 2000
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by artist: Frédéric Chopin
by artist: Mischa Maisky
by artist: Martha Argerich
in album: Celebration of Chopin: Encore!
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  date published: 2024-12-16
genre: classical
genre: early-romantic-era
genre: polish-classical
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