Karl Ristenpart
type: MusicGroup
genre: classical
description: Karl Ristenpart (26 January 1900 – 24 December 1967) was a German conductor. Career Born in Kiel, Germany, he studied at the Stern Conservatory in Berlin and in Vienna. He was heavily involved in c
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album: Bach, Mozart & Others: Violin Concertos
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album: Hans Simon
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  date published: 2013
album: Italian Flute Concertos: Vivaldi, Tartini, Sammartini, Pergolesi & Galuppi
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  track: Tartini: Flute Concerto No. 2 in G Major: III. Allegro
  track: Sammartini: Flute Concerto in F Major: I. Allegro
  track: Sammartini: Flute Concerto in F Major: II. Siciliano
  track: Sammartini: Flute Concerto in F Major: III. Allegro assai
  track: Vivaldi: Chamber Concerto in A Minor, RV 108: I. Allegro
  track: Vivaldi: Chamber Concerto in A Minor, RV 108: II. Largo
  track: Vivaldi: Chamber Concerto in A Minor, RV 108: III. Allegro
  track: Pergolesi: Flute Concerto in G Major, P. 33: I. Allegro moderato (Also Attributed to Paganelli)
  track: Pergolesi: Flute Concerto in G Major, P. 33: II. Adagio (Also Attributed to Paganelli)
  track: Pergolesi: Flute Concerto in G Major, P. 33: III. Allegro spiritoso (Also Attributed to Paganelli)
  track: Galuppi: Flute Concerto in D Major: I. Allegro
  track: Galuppi: Flute Concerto in D Major: II. Adagio
  track: Galuppi: Flute Concerto in D Major: III. Allegro assai
album: Mozart: Concertos, Andante et Rondo pour flûte et orchestre
album: Tartini, Pergolesi & Others: Orchestral Works
album: Mozart: Flute Concertos (2020 Digital Remaster)
album: Bach, Mozart, Beethoven & Others: Violin Concertos
album: Fritz Wunderlich: Arias from the 20th Century (Live)
album: Afternoon Tea and Cookies in the Kitchen
album: Bach: Brandenburg Concerto No. 5, Ralph Kirkpatrick vs. Karl Ristenpart (Compare 2 Versions)
album: Karl Ristenpart Play Vivaldi & Bach
album: W. A. Mozart: Symphony No. 28 in C Major, K. 200/189k - Symphony No. 34 in C Major, K. 338
album: Johann Sebastian Bach: "The Brandeburgo Concertos II" Concerto No. 4 in G Major, BWV 1049 - Concerto No. 5 in D Major, BWV 1050 - Concerto No. 6 in B-Flat Major, BWV 1051
album: Johann Sebastian Bach: "The Brandeburgo Concertos I" Concerto No. 1 in F Major, BWV 1046 - Concerto No. 2 in F Major, BWV 1047 - Concerto No. 3 in G Major, BWV 1048
album: The RIAS Bach Cantatas Project (RIAS studio recordings from Berlin, 1949-1952)
album: Jean-Pierre Rampal Plays Mozart & Telemann (1956,1958)
album: Bach, J.S.: Cantatas "Ich will den Kreuzstab gerne tragen", BWV 56; "Ich habe genug", BWV 82
album: Haydn Raconté Aux Enfants (Petit Menestrel)
album: Weber: Grandes ouvertures
album: Symphonies "la surprise", "l'horloge" et "militaire"
album: Rameau: Six concerts en sextuor-Britten: Simple symphony
album: Mozart-Concertos Pour Piano n°23 et 22
album: Messe solennelle "Du couronnement", Exsultate jubilate & Vêpres solennelles d'un confesseur
album: Bach: Cantates BWV 56, 82, 140, 162, 211, 212
album: Le Petit Ménestrel: Scènes d'enfants - Conte pour enfants d'après l'oeuvre de Schumann
album: Le Petit Ménestrel: Bach raconté aux enfants
album: J.S. Bach: Oeuvres pour orchestre
album: Bach, J.S.: Cantatas "Christ lag in Todesbanden", "Ich will den Kreuzstab gerne tragen" & "Ich habe genug"
album: Mannheim und Wien: Serie C. Zwischen Empfindsamkeit und Biedermeier (Stereo Version)
album: Mozart: Concertos pour flûte, hautbois et basson (Mono Version)
album: Mozart: Concertone pour deux violons et orchestre & Symphonie concertante pour vents et orchestre (Mono Version)
album: Bach: Concerto, BWV 1052 & 3 Sinfonias de cantates (Mono Version)
album: Bach: Cantates, BWV 140 & 57 (Mono Version)
album: Vivaldi: 6 Concertos pour flûte et orchestre (Mono Version)
album: L'école de Mannheim (Mono Version)
album: Barockmusik (Mono Version)
album: Vivaldi: 6 Concertos pour flûte et orchestre à cordes, Op. 10 (Mono Version)
album: Telemann: 2 Flute Concertos & Ouverture-Suite in A Minor (Mono Version)
album: Telemann: 2 Concerti in D Major & Ouverture-Suite in C Major (Mono Version)
album: Mozart: Concertos pour violon Nos. 3 & 4 (Mono Version)
album: Locatelli: Concerto grosso "Pour la nuit de Noël" & Symphonie funèbre (Mono Version)
album: Baroque and More
album: Handel: Concertos pour orgue Nos. 5 - 8 (Mono Version)
track: Bach, CPE: Flute Concerto in B-Flat Major, Wq. 167: I. Allegretto
track: Ich habe genug, BWV 82: I. Aria. Ich habe genug, ich habe den Heiland (Bass)
track: Bach, CPE: Flute Concerto in B-Flat Major, Wq. 167: II. Adagio
track: Bach, CPE: Flute Concerto in B-Flat Major, Wq. 167: III. Allegro assai

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Tartini: Flute Concerto No. 2 in G Major: III. Allegro
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  date published: 2026-07-29T19:35:34Z
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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
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8016bec1af723434c11e48bd3a3bdbd36facaf1a5c078301cc24a674572268b7. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ201500178 — a six-check JSON result.
  date published: 2026-07-30T06:39:12Z
audio: Sammartini: Flute Concerto in F Major: II. Siciliano
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Sammartini: Flute Concerto in F Major: III. Allegro assai
type: MusicRecording
duration: PT3M51S
duration ms: 231986
explicit: false
by artist: Giuseppe Sammartini
by artist: Jean-Pierre Rampal
by artist: Karl Ristenpart
by artist: Kammerorchester des Saarländischen Rundfunks
in album: Italian Flute Concertos: Vivaldi, Tartini, Sammartini, Pergolesi & Galuppi
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  date published: 2023-03-31
isrc code: FRZ201500179
additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc36ecf48b6f1731634b9369d70563b93e45a7d6dbe5130ac6d8e02ef7f82bf69. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ201500179 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Sammartini: Flute Concerto in F Major: III. Allegro assai
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Vivaldi: Chamber Concerto in A Minor, RV 108: I. Allegro
type: MusicRecording
duration: PT2M56S
duration ms: 176360
explicit: false
by artist: Antonio Vivaldi
by artist: Jean-Pierre Rampal
by artist: Karl Ristenpart
by artist: Kammerorchester des Saarländischen Rundfunks
in album: Italian Flute Concertos: Vivaldi, Tartini, Sammartini, Pergolesi & Galuppi
  type: MusicAlbum
  date published: 2023-03-31
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ201500180
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
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc72ec3f6a8679c1c142146444db86c8536fc007504d705457e8d66632474dc9c. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ201500180 — a six-check JSON result.
  date published: 2026-07-30T14:44:50Z
audio: Vivaldi: Chamber Concerto in A Minor, RV 108: I. Allegro
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Vivaldi: Chamber Concerto in A Minor, RV 108: II. Largo
type: MusicRecording
duration: PT3M28S
duration ms: 208586
explicit: false
by artist: Antonio Vivaldi
by artist: Jean-Pierre Rampal
by artist: Karl Ristenpart
by artist: Kammerorchester des Saarländischen Rundfunks
in album: Italian Flute Concertos: Vivaldi, Tartini, Sammartini, Pergolesi & Galuppi
  type: MusicAlbum
  date published: 2023-03-31
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ201500181
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
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 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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d7ba4c2a82838c8361c61b53c5a56b639a6d6a31da5cc705261b6e375fe5489. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ201500181 — a six-check JSON result.
  date published: 2026-07-31T04:14:58Z
audio: Vivaldi: Chamber Concerto in A Minor, RV 108: II. Largo
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    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Vivaldi: Chamber Concerto in A Minor, RV 108: III. Allegro
type: MusicRecording
duration: PT2M43S
duration ms: 163946
explicit: false
by artist: Antonio Vivaldi
by artist: Jean-Pierre Rampal
by artist: Karl Ristenpart
by artist: Kammerorchester des Saarländischen Rundfunks
in album: Italian Flute Concertos: Vivaldi, Tartini, Sammartini, Pergolesi & Galuppi
  type: MusicAlbum
  date published: 2023-03-31
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ201500182
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
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd9f6314011777ba1c4897c2e8908207cc151b86536693a18236f7a87480af91. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/FRZ201500182 — a six-check JSON result.
  date published: 2026-07-30T05:15:54Z
audio: Vivaldi: Chamber Concerto in A Minor, RV 108: III. Allegro
  type: AudioObject
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  additional property: Mode (Major/Minor)
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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)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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Pergolesi: Flute Concerto in G Major, P. 33: I. Allegro moderato (Also Attributed to Paganelli)
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duration: PT4M6S
duration ms: 246000
explicit: false
by artist: Giovanni Battista Pergolesi
by artist: Jean-Pierre Rampal
by artist: Karl Ristenpart
by artist: Kammerorchester des Saarländischen Rundfunks
in album: Italian Flute Concertos: Vivaldi, Tartini, Sammartini, Pergolesi & Galuppi
  type: MusicAlbum
  date published: 2023-03-31
genre: classical
genre: choral
genre: requiem
isrc code: FRZ201500183
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48fbbb238a242ead439d1995e2f0ef138da16d7136443a38a7a84d21cb6c7e27. 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/FRZ201500183 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Pergolesi: Flute Concerto in G Major, P. 33: I. Allegro moderato (Also Attributed to Paganelli)
  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)
    type: PropertyValue
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Pergolesi: Flute Concerto in G Major, P. 33: II. Adagio (Also Attributed to Paganelli)
type: MusicRecording
duration: PT5M10S
duration ms: 310040
explicit: false
by artist: Giovanni Battista Pergolesi
by artist: Jean-Pierre Rampal
by artist: Karl Ristenpart
by artist: Kammerorchester des Saarländischen Rundfunks
in album: Italian Flute Concertos: Vivaldi, Tartini, Sammartini, Pergolesi & Galuppi
  type: MusicAlbum
  date published: 2023-03-31
genre: classical
genre: choral
genre: requiem
isrc code: FRZ201500184
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
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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
subject of: OpenTimestamps Proof of Existence
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Mozart: Concertos, Andante et Rondo pour flûte et orchestre
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Tartini, Pergolesi & Others: Orchestral Works
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Mozart: Flute Concertos (2020 Digital Remaster)
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Bach, Mozart, Beethoven & Others: Violin Concertos
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Fritz Wunderlich: Arias from the 20th Century (Live)
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Afternoon Tea and Cookies in the Kitchen
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Bach: Brandenburg Concerto No. 5, Ralph Kirkpatrick vs. Karl Ristenpart (Compare 2 Versions)
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Karl Ristenpart Play Vivaldi & Bach
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W. A. Mozart: Symphony No. 28 in C Major, K. 200/189k - Symphony No. 34 in C Major, K. 338
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Johann Sebastian Bach: "The Brandeburgo Concertos II" Concerto No. 4 in G Major, BWV 1049 - Concerto No. 5 in D Major, BWV 1050 - Concerto No. 6 in B-Flat Major, BWV 1051
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The RIAS Bach Cantatas Project (RIAS studio recordings from Berlin, 1949-1952)
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Bach, J.S.: Cantatas "Ich will den Kreuzstab gerne tragen", BWV 56; "Ich habe genug", BWV 82
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Haydn Raconté Aux Enfants (Petit Menestrel)
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Rameau: Six concerts en sextuor-Britten: Simple symphony
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track: Sentimental Sarabande
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Mozart-Concertos Pour Piano n°23 et 22
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track: Piano Concerto No. 22 in E-Flat Major, K. 482: 2. Andante
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track: Mass in C major, K.317 "Coronation Mass": 6. Agnus Dei
track: Vesperae solennes de confessore, K. 339: V. Laudate Dominum

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Chor Der Musikhochschule Saarbrücken
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OpenTimestamps Proof of Existence
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date published: 2026-07-31T16:07:24Z

Mass in C major, K.317 "Coronation Mass": 3. Credo
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Mass in C major, K.317 "Coronation Mass": 6. Agnus Dei
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subject of: OpenTimestamps Proof of Existence
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Vesperae solennes de confessore, K. 339: V. Laudate Dominum
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:04:01Z
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Bach: Cantates BWV 56, 82, 140, 162, 211, 212
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T06:56:49Z
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Le Petit Ménestrel: Scènes d'enfants - Conte pour enfants d'après l'oeuvre de Schumann
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Le Petit Ménestrel: Bach raconté aux enfants
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J.S. Bach: Oeuvres pour orchestre
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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  subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Bach, CPE: Flute Concerto in B-Flat Major, Wq. 167: III. Allegro assai
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  additional property: Loudness (dB)
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