Enrico Pace
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genre: chamber music
genre: classical piano
description: Enrico Pace (born 1967) is an Italian pianist of international renown. Biography Enrico Pace was born in Rimini, Italy in 1967. He studied piano with Franco Scala, mainly at the Rossini Conservatory
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album: Beethoven The Complete Works for Cello and Piano
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  date published: 2022-04-19
album: Cantique d'Amour
  type: MusicAlbum
  date published: 2018-09-06
album: Brahms, Schumann - Complete Works For Cello And Piano
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  date published: 2014-12-19
album: Liszt: Années de pèlerinage - Books I & II
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  date published: 2012-01-03
album: Beethoven: The Complete Sonatas for Violin and Piano
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  date published: 2012
  track: Violin Sonata No. 6 in A Major, Op. 30, No. 1: I. Allegro
  track: Violin Sonata No. 1 in D Major, Op. 12, No. 1: II. Tema con variazioni. Andante con moto
  track: Violin Sonata No. 4 in A Minor, Op. 23: II. Andante scherzoso, piú allegretto
  track: Violin Sonata No. 8 in G Major, Op. 30, No. 3: I. Allegro assai
  track: Violin Sonata No. 7 in C Minor, Op. 30, No. 2: I. Allegro con brio
  track: Violin Sonata No. 8 in G Major, Op. 30, No. 3: III. Allegro vivace
  track: Violin Sonata No. 3 in E-Flat Major, Op. 12, No. 3: I. Allegro con spirito
  track: Violin Sonata No. 7 in C Minor, Op. 30, No. 2: IV. Finale. Allegro
  track: Violin Sonata No. 10 in G Major, Op. 96: II. Adagio espressivo
  track: Violin Sonata No. 5 in F Major, Op. 24 "Spring": IV. Rondo. Allegro ma non troppo
  track: Violin Sonata No. 1 in D Major, Op. 12, No. 1: I. Allegro con brio
  track: Violin Sonata No. 4 in A Minor, Op. 23: I. Presto
  track: Violin Sonata No. 6 in A Major, Op. 30, No. 1: II. Adagio
  track: Violin Sonata No. 4 in A Minor, Op. 23: III. Allegro molto
  track: Violin Sonata No. 2 in A Major, Op.. 12, No. 2: I. Allegro vivace
  track: Violin Sonata No. 2 in A Major, Op.. 12, No. 2: II. Andante, più tosto allegretto
  track: Violin Sonata No. 8 in G Major, Op. 30, No. 3: II. Tempo di menuetto, ma molto moderato e grazios
  track: Violin Sonata No. 7 in C Minor, Op. 30, No. 2: II. Adagio cantabile
  track: Violin Sonata No. 2 in A Major, Op.. 12, No. 2: III. Allegro piacevole
  track: Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer Sonata": I. Adagio sostenuto - Presto
  track: Violin Sonata No. 3 in E-Flat Major, Op. 12, No. 3: II. Adagio con molt'espressione
  track: Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer Sonata": II. Andante con variazioni
  track: Violin Sonata No. 10 in G Major, Op. 96: I. Allegro moderato
  track: Violin Sonata No. 3 in E-Flat Major, Op. 12, No. 3: III. Rondo
  track: Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer Sonata": III. Finale. Presto
  track: Violin Sonata No. 5 in F Major, Op. 24 "Spring": I. Allegro
  track: Violin Sonata No. 5 in F Major, Op. 24 "Spring": II. Adagio molto espressivo
  track: Violin Sonata No. 10 in G Major, Op. 96: IV. Poco allegretto
  track: Violin Sonata No. 5 in F Major, Op. 24 "Spring": III. Scherzo. Allegro molto
album: Busoni: Violin Concerto & Violin Sonata No. 2
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album: Liebestraum
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track: Clarinet Quartet: I. Mäßig bewegt
track: Clarinet Sonata: I. Mäßig bewegt
track: Clarinet Sonata: II. Lebhaft
track: Clarinet Sonata: IV. Kleines Rondo, gemächlich
track: Clarinet Quartet: II. Sehr langsam

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Violin Sonata No. 1 in D Major, Op. 12, No. 1: II. Tema con variazioni. Andante con moto
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Violin Sonata No. 4 in A Minor, Op. 23: II. Andante scherzoso, piú allegretto
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Violin Sonata No. 8 in G Major, Op. 30, No. 3: I. Allegro assai
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Violin Sonata No. 7 in C Minor, Op. 30, No. 2: I. Allegro con brio
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  date published: 2026-07-08T03:39:04Z
audio: Violin Sonata No. 7 in C Minor, Op. 30, No. 2: I. Allegro con brio
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Violin Sonata No. 8 in G Major, Op. 30, No. 3: III. Allegro vivace
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by artist: Leonidas Kavakos
by artist: Enrico Pace
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genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:22:41Z
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Violin Sonata No. 3 in E-Flat Major, Op. 12, No. 3: I. Allegro con spirito
type: MusicRecording
duration: PT8M21S
duration ms: 501946
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by artist: Ludwig van Beethoven
by artist: Leonidas Kavakos
by artist: Enrico Pace
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genre: classical
genre: classical-piano
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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: 2026-07-08T03:22:41Z
audio: Violin Sonata No. 3 in E-Flat Major, Op. 12, No. 3: I. Allegro con spirito
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Violin Sonata No. 7 in C Minor, Op. 30, No. 2: IV. Finale. Allegro
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duration: PT5M8S
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by artist: Ludwig van Beethoven
by artist: Leonidas Kavakos
by artist: Enrico Pace
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genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T08:56:20Z
audio: Violin Sonata No. 7 in C Minor, Op. 30, No. 2: IV. Finale. Allegro
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Violin Sonata No. 10 in G Major, Op. 96: II. Adagio espressivo
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duration: PT6M25S
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by artist: Enrico Pace
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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
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  date published: 2026-07-08T03:22:41Z
audio: Violin Sonata No. 10 in G Major, Op. 96: II. Adagio espressivo
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Violin Sonata No. 5 in F Major, Op. 24 "Spring": IV. Rondo. Allegro ma non troppo
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duration: PT6M44S
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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
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  date published: 2026-07-08T03:22:41Z
audio: Violin Sonata No. 5 in F Major, Op. 24 "Spring": IV. Rondo. Allegro ma non troppo
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Violin Sonata No. 1 in D Major, Op. 12, No. 1: I. Allegro con brio
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duration: PT8M45S
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by artist: Enrico Pace
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genre: classical
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genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
audio: Violin Sonata No. 1 in D Major, Op. 12, No. 1: I. Allegro con brio
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Violin Sonata No. 4 in A Minor, Op. 23: I. Presto
type: MusicRecording
duration: PT7M41S
duration ms: 461386
explicit: false
by artist: Ludwig van Beethoven
by artist: Leonidas Kavakos
by artist: Enrico Pace
in album: Beethoven: The Complete Sonatas for Violin and Piano
  type: MusicAlbum
  date published: 2012
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bf220b2fe82a255f00a98fee35a4f6752ebbf85444ee8144b96c6974030625a. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071201801.
  date published: 2026-07-30T19:11:09Z
audio: Violin Sonata No. 4 in A Minor, Op. 23: I. Presto
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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

Violin Sonata No. 6 in A Major, Op. 30, No. 1: II. Adagio
type: MusicRecording
duration: PT7M49S
duration ms: 469746
explicit: false
by artist: Ludwig van Beethoven
by artist: Leonidas Kavakos
by artist: Enrico Pace
in album: Beethoven: The Complete Sonatas for Violin and Piano
  type: MusicAlbum
  date published: 2012
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9aa7a6bab9506e4f08104d71300fd46d4a9830500b14e939f379eaddf76436ee. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/GBF071201822.
  date published: 2026-07-31T17:29:52Z
audio: Violin Sonata No. 6 in A Major, Op. 30, No. 1: II. Adagio
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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 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

Violin Sonata No. 4 in A Minor, Op. 23: III. Allegro molto
type: MusicRecording
duration: PT5M35S
duration ms: 335813
explicit: false
by artist: Ludwig van Beethoven
by artist: Leonidas Kavakos
by artist: Enrico Pace
in album: Beethoven: The Complete Sonatas for Violin and Piano
  type: MusicAlbum
  date published: 2012
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x905109a8288cc6439adb98757c4a7601d754f4de1dc3318f3fe3142ae2889336. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/GBF071201803.
  date published: 2026-07-30T21:35:24Z
audio: Violin Sonata No. 4 in A Minor, Op. 23: III. Allegro molto
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Violin Sonata No. 2 in A Major, Op.. 12, No. 2: I. Allegro vivace
type: MusicRecording
duration: PT6M6S
duration ms: 366880
explicit: false
by artist: Ludwig van Beethoven
by artist: Leonidas Kavakos
by artist: Enrico Pace
in album: Beethoven: The Complete Sonatas for Violin and Piano
  type: MusicAlbum
  date published: 2012
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1f2e9b8d59c36ac89d14b8fe16f6152d0f4c3bd77b8ff62764a8df9a9ec3d08. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/GBF071201781.
  date published: 2026-07-31T09:50:11Z
audio: Violin Sonata No. 2 in A Major, Op.. 12, No. 2: I. Allegro vivace
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  additional property: Danceability
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  additional property: Valence (Positivity)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Violin Sonata No. 2 in A Major, Op.. 12, No. 2: II. Andante, più tosto allegretto
type: MusicRecording
duration: PT5M12S
duration ms: 312040
explicit: false
by artist: Ludwig van Beethoven
by artist: Leonidas Kavakos
by artist: Enrico Pace
in album: Beethoven: The Complete Sonatas for Violin and Piano
  type: MusicAlbum
  date published: 2012
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b4a7876dbf475d5f176f57b78112d83fdee8d26f072f4daac8981afe5d69279. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071201782.
  date published: 2026-07-31T23:30:38Z
audio: Violin Sonata No. 2 in A Major, Op.. 12, No. 2: II. Andante, più tosto allegretto
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Violin Sonata No. 8 in G Major, Op. 30, No. 3: II. Tempo di menuetto, ma molto moderato e grazios
type: MusicRecording
duration: PT8M16S
duration ms: 496240
explicit: false
by artist: Ludwig van Beethoven
by artist: Leonidas Kavakos
by artist: Enrico Pace
in album: Beethoven: The Complete Sonatas for Violin and Piano
  type: MusicAlbum
  date published: 2012
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf640bafca46816dfffa84c0173ce554102cc5dc33956ceb90225b47e1662e80e. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), 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/GBF071201842.
  date published: 2026-08-01T00:40:43Z
audio: Violin Sonata No. 8 in G Major, Op. 30, No. 3: II. Tempo di menuetto, ma molto moderato e grazios
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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: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Violin Sonata No. 7 in C Minor, Op. 30, No. 2: II. Adagio cantabile
type: MusicRecording
duration: PT8M27S
duration ms: 507333
explicit: false
by artist: Ludwig van Beethoven
by artist: Leonidas Kavakos
by artist: Enrico Pace
in album: Beethoven: The Complete Sonatas for Violin and Piano
  type: MusicAlbum
  date published: 2012
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e6cf91e80aae3c07378dac507ed6620c922705100336adf95cc861ae9ededd5. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/GBF071201832.
  date published: 2026-07-31T23:51:35Z
audio: Violin Sonata No. 7 in C Minor, Op. 30, No. 2: II. Adagio cantabile
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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

Violin Sonata No. 2 in A Major, Op.. 12, No. 2: III. Allegro piacevole
type: MusicRecording
duration: PT4M50S
duration ms: 290160
explicit: false
by artist: Ludwig van Beethoven
by artist: Leonidas Kavakos
by artist: Enrico Pace
in album: Beethoven: The Complete Sonatas for Violin and Piano
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genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T06:42:11Z
audio: Violin Sonata No. 2 in A Major, Op.. 12, No. 2: III. Allegro piacevole
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additional property: OTSVerifyInstructions
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Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer Sonata": I. Adagio sostenuto - Presto
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duration: PT14M2S
duration ms: 842106
explicit: false
by artist: Ludwig van Beethoven
by artist: Leonidas Kavakos
by artist: Enrico Pace
in album: Beethoven: The Complete Sonatas for Violin and Piano
  type: MusicAlbum
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genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T09:57:33Z
audio: Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer Sonata": I. Adagio sostenuto - Presto
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additional property: OTSVerifyInstructions
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Violin Sonata No. 3 in E-Flat Major, Op. 12, No. 3: II. Adagio con molt'espressione
type: MusicRecording
duration: PT6M32S
duration ms: 392226
explicit: false
by artist: Ludwig van Beethoven
by artist: Leonidas Kavakos
by artist: Enrico Pace
in album: Beethoven: The Complete Sonatas for Violin and Piano
  type: MusicAlbum
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genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-08-01T00:40:43Z
audio: Violin Sonata No. 3 in E-Flat Major, Op. 12, No. 3: II. Adagio con molt'espressione
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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

Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer Sonata": II. Andante con variazioni
type: MusicRecording
duration: PT15M21S
duration ms: 921973
explicit: false
by artist: Ludwig van Beethoven
by artist: Leonidas Kavakos
by artist: Enrico Pace
in album: Beethoven: The Complete Sonatas for Violin and Piano
  type: MusicAlbum
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genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T13:06:57Z
audio: Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer Sonata": II. Andante con variazioni
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Violin Sonata No. 10 in G Major, Op. 96: I. Allegro moderato
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duration: PT11M20S
duration ms: 680973
explicit: false
by artist: Ludwig van Beethoven
by artist: Leonidas Kavakos
by artist: Enrico Pace
in album: Beethoven: The Complete Sonatas for Violin and Piano
  type: MusicAlbum
  date published: 2012
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8806e40ead3bb2ab42a64955e2fe8b05987d0e22131a8d16a69f99859eed8073. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/GBF071201861.
  date published: 2026-07-31T17:29:52Z
audio: Violin Sonata No. 10 in G Major, Op. 96: I. Allegro moderato
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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

Violin Sonata No. 3 in E-Flat Major, Op. 12, No. 3: III. Rondo
type: MusicRecording
duration: PT4M2S
duration ms: 242626
explicit: false
by artist: Ludwig van Beethoven
by artist: Leonidas Kavakos
by artist: Enrico Pace
in album: Beethoven: The Complete Sonatas for Violin and Piano
  type: MusicAlbum
  date published: 2012
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73bf31947b851fa1a272d2615a061d23623dc99ad784485ad6631aaad0e7eccd. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/GBF071201793.
  date published: 2026-07-31T23:51:35Z
audio: Violin Sonata No. 3 in E-Flat Major, Op. 12, No. 3: III. Rondo
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additional property: OTSVerifyInstructions
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Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer Sonata": III. Finale. Presto
type: MusicRecording
duration: PT8M50S
duration ms: 530960
explicit: false
by artist: Ludwig van Beethoven
by artist: Leonidas Kavakos
by artist: Enrico Pace
in album: Beethoven: The Complete Sonatas for Violin and Piano
  type: MusicAlbum
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genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T05:17:02Z
audio: Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer Sonata": III. Finale. Presto
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additional property: OTSVerifyInstructions
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Violin Sonata No. 5 in F Major, Op. 24 "Spring": I. Allegro
type: MusicRecording
duration: PT10M13S
duration ms: 613173
explicit: false
by artist: Ludwig van Beethoven
by artist: Leonidas Kavakos
by artist: Enrico Pace
in album: Beethoven: The Complete Sonatas for Violin and Piano
  type: MusicAlbum
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genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T04:47:22Z
audio: Violin Sonata No. 5 in F Major, Op. 24 "Spring": I. Allegro
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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

Violin Sonata No. 5 in F Major, Op. 24 "Spring": II. Adagio molto espressivo
type: MusicRecording
duration: PT6M21S
duration ms: 381106
explicit: false
by artist: Ludwig van Beethoven
by artist: Leonidas Kavakos
by artist: Enrico Pace
in album: Beethoven: The Complete Sonatas for Violin and Piano
  type: MusicAlbum
  date published: 2012
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:44:50Z
audio: Violin Sonata No. 5 in F Major, Op. 24 "Spring": II. Adagio molto espressivo
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additional property: OTSVerifyInstructions
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Violin Sonata No. 10 in G Major, Op. 96: IV. Poco allegretto
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duration: PT9M23S
duration ms: 563413
explicit: false
by artist: Ludwig van Beethoven
by artist: Leonidas Kavakos
by artist: Enrico Pace
in album: Beethoven: The Complete Sonatas for Violin and Piano
  type: MusicAlbum
  date published: 2012
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T17:29:52Z
audio: Violin Sonata No. 10 in G Major, Op. 96: IV. Poco allegretto
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additional property: OTSVerifyInstructions
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Violin Sonata No. 5 in F Major, Op. 24 "Spring": III. Scherzo. Allegro molto
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duration: PT1M17S
duration ms: 77573
explicit: false
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by artist: Leonidas Kavakos
by artist: Enrico Pace
in album: Beethoven: The Complete Sonatas for Violin and Piano
  type: MusicAlbum
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genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T04:14:58Z
audio: Violin Sonata No. 5 in F Major, Op. 24 "Spring": III. Scherzo. Allegro molto
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additional property: OTSVerifyInstructions
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Clarinet Sonata: III. Sehr langsam
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duration: PT6M1S
duration ms: 361950
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by artist: Sharon Kam
by artist: Enrico Pace
in album: Hindemith: Clarinet Concerto, Clarinet Quartet & Clarinet Sonata
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popularity: 2
genre: classical-piano
genre: neoclassical
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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  date published: 2026-07-08T03:22:41Z
audio: Clarinet Sonata: III. Sehr langsam
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Clarinet Quartet: I. Mäßig bewegt
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duration: PT7M22S
duration ms: 442550
explicit: false
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by artist: Antje Weithaas
by artist: Julian Steckel
by artist: Enrico Pace
in album: Hindemith: Clarinet Concerto, Clarinet Quartet & Clarinet Sonata
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  date published: 2021-11-05
popularity: 1
genre: classical-piano
genre: neoclassical
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x840e24f90658e090e62975f95c1238b7350f0dfbe1f137bc27d524edee2fb4be. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB952100405.
  date published: 2026-07-08T03:39:04Z
audio: Clarinet Quartet: I. Mäßig bewegt
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 128.164
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
    value: 0.021
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.236
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.079
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.158
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Clarinet Sonata: I. Mäßig bewegt
type: MusicRecording
duration: PT5M16S
duration ms: 316100
explicit: false
by artist: Paul Hindemith
by artist: Sharon Kam
by artist: Enrico Pace
in album: Hindemith: Clarinet Concerto, Clarinet Quartet & Clarinet Sonata
  type: MusicAlbum
  date published: 2021-11-05
popularity: 3
genre: classical-piano
genre: neoclassical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe987b2a5a361d7f81a0ea06905a19b98beb5e691f06147c22250aaebec208f61. Chain 2 (Bitcoin): anchored in block 960303 (2026-07-30T20:11:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB952100408.
  date published: 2026-07-30T20:11:13Z
audio: Clarinet Sonata: I. Mäßig bewegt
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.2
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.257
  additional property: Energy
    type: PropertyValue
    value: 0.068
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.812
  additional property: Liveness
    type: PropertyValue
    value: 0.141
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.052
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.25
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: DEB952100408
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960303
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T20:11:13+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB952100408
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960303
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960303
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T20:11:13+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Clarinet Sonata: II. Lebhaft
type: MusicRecording
duration: PT2M44S
duration ms: 164700
explicit: false
by artist: Paul Hindemith
by artist: Sharon Kam
by artist: Enrico Pace
in album: Hindemith: Clarinet Concerto, Clarinet Quartet & Clarinet Sonata
  type: MusicAlbum
  date published: 2021-11-05
popularity: 3
genre: classical-piano
genre: neoclassical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3eaf04a070756f894bde7b576911ee1d5bdf2df7f1abb1f985095a27645df428. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB952100409.
  date published: 2026-07-31T19:53:13Z
audio: Clarinet Sonata: II. Lebhaft
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.361
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.521
  additional property: Energy
    type: PropertyValue
    value: 0.094
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.901
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.248
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.862
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEB952100409
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960455
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T19:53:13+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB952100409
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Clarinet Sonata: IV. Kleines Rondo, gemächlich
type: MusicRecording
duration: PT2M31S
duration ms: 151550
explicit: false
by artist: Paul Hindemith
by artist: Sharon Kam
by artist: Enrico Pace
in album: Hindemith: Clarinet Concerto, Clarinet Quartet & Clarinet Sonata
  type: MusicAlbum
  date published: 2021-11-05
popularity: 2
genre: classical-piano
genre: neoclassical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc116683b8919ccb157ba241fdb0029c4c969b1ca49087e2ad4b215824fd00e8a. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB952100411.
  date published: 2026-07-31T12:24:41Z
audio: Clarinet Sonata: IV. Kleines Rondo, gemächlich
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.512
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.523
  additional property: Energy
    type: PropertyValue
    value: 0.133
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.893
  additional property: Liveness
    type: PropertyValue
    value: 0.119
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.441
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.209
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEB952100411
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960397
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T12:24:41+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB952100411
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Clarinet Quartet: II. Sehr langsam
type: MusicRecording
duration: PT8M45S
duration ms: 525600
explicit: false
by artist: Paul Hindemith
by artist: Sharon Kam
by artist: Antje Weithaas
by artist: Julian Steckel
by artist: Enrico Pace
in album: Hindemith: Clarinet Concerto, Clarinet Quartet & Clarinet Sonata
  type: MusicAlbum
  date published: 2021-11-05
popularity: 1
genre: classical-piano
genre: neoclassical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7094cfde7ea26ff5c2382e2c07f81ce6fb67d2a2e6d53e8cd2ae583cd4f40355. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB952100406.
  date published: 2026-07-31T15:20:15Z
audio: Clarinet Quartet: II. Sehr langsam
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.273
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.101
  additional property: Energy
    type: PropertyValue
    value: 0.036
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.739
  additional property: Liveness
    type: PropertyValue
    value: 0.129
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.295
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEB952100406
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960418
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB952100406
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch