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album: David: Viola Concerto / Sarai: Spring Concerto / Mihaly: Cello Concerto
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      date published: 2014-07-15
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-31T08:26:41Z
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-31T21:25:57Z
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album: Alexandre Rabinovitch-Barakovsky: Anthology of Archaic Rituals - in Search of the Center
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album: Ravel: Bolero / La Valse / Rapsodie Espagnole / Daphnis Et Chloe Suites
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album: Marton, Eva: Christmas With Eva Marton
album: Lieder eines fahrenden Gesellen, Blumine, Kindertotenlieder
album: Handel: Music for the Royal Fireworks / Overtures From the Opera Rodrigo, Ariodante and Atalanta
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album: Huzella / Sarkozy / Vecsey / Kokai: Concertos
album: Bartók: Symphonic Works, Vol. 2 (Complete Edition)
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album: Dénes Kovács, Vol. 2: Mozart & Schubert
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album: The Masters Collection: György Cziffra
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album: Violin Concertos
album: Dohnányi: Ruralia Hungarica - Variations on a Nursery Song - Serenade in C Major
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album: Solyom-Nagy, Sandor: Wagner Arias and Mahler's Lieder Eines Fahrenden Gesellen
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album: Lendvay: 5 Concertos
album: Kodaly: Peacock (The) / Dances of Galanta / Dances of Marosszeki
album: Grieg: Piano Concerto / Liszt: Piano Concerto No. 1 / Gershwin: Rhapsody in Blue
album: Farkas: Sly Students Suite (The) / Concertino All'Antica / Piccola Musica Di Concerto
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album: Balassa, S.: Man Outside (The)
album: Classics at the Movies: Comedy 1
track: Die Walküre, WWV 86b, Act III: Ride of the Valkyries

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Strauss II: Denevér
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date published: 2014-11-01

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Haydn: Lo speziale
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Bach: Johannes-Passion
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Marton, Eva: Christmas With Eva Marton
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Lieder eines fahrenden Gesellen, Blumine, Kindertotenlieder
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Reti, Jozsef: Arias and Sacred Music by Bach, Vivaldi, Mozart, and Liszt
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Bartók: Symphonic Works, Vol. 2 (Complete Edition)
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Liszt: Hungarian Coronation Mass, S11/R487
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T15:20:15Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T15:20:15Z
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  audio: Ungarische Kronungsmesse (Hungarian Coronation Mass), S11/R487: Graduale
track: Ungarische Kronungsmesse (Hungarian Coronation Mass), S11/R487: Sanctus

Budapest Symphony Orchestra
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György Lehel
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Liszt: Hungarian Coronation Mass, S11/R487
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date published: 2014-07-15

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42c34ae97150665eb4287bcbe3a74540eb629397c934e8fb3040869edd430402. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HUA251214803 — a six-check JSON result.
date published: 2026-07-08T03:20:19Z

Ungarische Kronungsmesse (Hungarian Coronation Mass), S11/R487: Graduale
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Ungarische Kronungsmesse (Hungarian Coronation Mass), S11/R487: Sanctus
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duration: PT3M44S
duration ms: 224266
explicit: false
by artist: Franz Liszt
by artist: Veronika Kincses
by artist: Klára Takács
by artist: Dénes Gulyás
by artist: László Polgár
by artist: Hungarian Radio and Television Chorus
by artist: Budapest Symphony Orchestra
by artist: György Lehel
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genre: classical
genre: late-romantic-era
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:13Z
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Dénes Kovács, Vol. 2: Mozart & Schubert
type: MusicAlbum
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Dénes Kovács, Vol. 1: Violin Concertos
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date published: 2020-02-07

The Masters Collection: György Cziffra
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date published: 2019-01-04
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T12:45:34Z
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Wagner: Gralmystik
type: MusicAlbum
date published: 2018-05-18

Raff: Symphony No. 8 "Frühlingsklänge" & Ode au printemps
type: MusicAlbum
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Beethoven: Violin Concerto - Romances
type: MusicAlbum
date published: 2015-01-01

Bartók: Kossuth - Piano Quintet
type: MusicAlbum
date published: 2015-01-01

Violin Concertos
type: MusicAlbum
date published: 2014-12-01

Dohnányi: Ruralia Hungarica - Variations on a Nursery Song - Serenade in C Major
type: MusicAlbum
date published: 2014-12-01

Hindemith: Viola and Cello Concertos
type: MusicAlbum
date published: 2014-11-01
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Der Schwanendreher: III. Variations: Seid ihr nicht der Schwanendreher
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:20:19Z
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Brahms: Haydn Variations - Symphony No. 1
type: MusicAlbum
date published: 2014-11-01

Bach / Hummel: Bassoon Concertos
type: MusicAlbum
date published: 2014-11-01

Solyom-Nagy, Sandor: Wagner Arias and Mahler's Lieder Eines Fahrenden Gesellen
type: MusicAlbum
date published: 2014-07-15

Liszt: Dante Symphony
type: MusicAlbum
date published: 2014-07-15

Lendvay: 5 Concertos
type: MusicAlbum
date published: 2014-07-15

Kodaly: Peacock (The) / Dances of Galanta / Dances of Marosszeki
type: MusicAlbum
date published: 2014-07-15

Grieg: Piano Concerto / Liszt: Piano Concerto No. 1 / Gershwin: Rhapsody in Blue
type: MusicAlbum
date published: 2014-07-15

Farkas: Sly Students Suite (The) / Concertino All'Antica / Piccola Musica Di Concerto
type: MusicAlbum
date published: 2014-07-15

Debussy: La Mer / Prelude A L'Apres-Midi D'Un Faune / Iberia / Petite Suite (Arr. for Orchestra)
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  by artist: Budapest Symphony Orchestra
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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: 2026-07-30T17:23:26Z
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