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genre: chamber music
description: Danjulo Ishizaka (born 14 May 1979) is a German cellist and professor at the Berlin University of Arts and City of Basel Music Academy Life Ishizaka, born in Bonn, Germany, is the son of the German
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Schubert: Trouts
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Tranquility - Relaxing Classical Sounds
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track: Sicilienne, Op. 78
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T11:13:28Z
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track: The Carnival of the Animals, R. 125: XIII. Le cygne (Arr. for Cello & 2 Pianos)
track: Song Without Words, Op. 109
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track: Seven Years in Tibet
track: Thaïs: Méditation (Arr. for Cello and Piano)
track: Cello Sonata No. 2 in F Major, Op. 99: IV. Allegro molto
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OpenTimestamps Proof of Existence
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date published: 2026-07-02T05:09:12Z

3 Old Viennese Dances: II. Liebesleid
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Song Without Words, Op. 109
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subject of: OpenTimestamps Proof of Existence
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Salut d'amour, Op. 12
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Salut d'amour, Op. 12
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Cello Sonata in G Minor, Op 19: III. Andante
type: MusicRecording
duration: PT6M11S
duration ms: 371986
explicit: false
by artist: Sergei Rachmaninoff
by artist: Sonia Wieder-Atherton
by artist: Imogen Cooper
in album: Chilling Cello
  type: MusicAlbum
  date published: 2019-05-31
popularity: 3
genre: classical
genre: classical-piano
genre: concerto
isrc code: FRZ050200096
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cf55d787481ca77c0f0a31e6afef3714b389717043b0812086112b7003587c2. 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/FRZ050200096 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Cello Sonata in G Minor, Op 19: III. Andante
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Adagio for Cello and Orchestra in G Major, Op. 38
type: MusicRecording
duration: PT7M0S
duration ms: 420013
explicit: false
by artist: Woldemar Bargiel
by artist: Steven Isserlis
by artist: Deutsche Kammerphilharmonie
by artist: Christoph Eschenbach
in album: Chilling Cello
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  date published: 2019-05-31
popularity: 2
isrc code: USBC19607742
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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 0xc9a99e2c2f25238f5f7ba6016feffeea2d26d36400fac79a39deca72202c1220. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/USBC19607742 — a six-check JSON result.
  date published: 2026-07-30T22:27:30Z
audio: Adagio for Cello and Orchestra in G Major, Op. 38
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Arabesque No. 1, L. 66, No. 1 (Arr. for Cello and Piano)
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duration: PT5M10S
duration ms: 310600
explicit: false
by artist: Claude Debussy
by artist: Wolfgang Emanuel Schmidt
by artist: Gerald Fauth
in album: Chilling Cello
  type: MusicAlbum
  date published: 2019-05-31
popularity: 2
genre: classical
genre: impressionism
genre: post-romantic-era
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T13:50:38Z
audio: Arabesque No. 1, L. 66, No. 1 (Arr. for Cello and Piano)
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Violin Sonata in A Major, FWV 8 (Arr. for Cello and Piano): IV. Allegretto poco mosso
type: MusicRecording
duration: PT6M4S
duration ms: 364333
explicit: false
by artist: César Franck
by artist: Danjulo Ishizaka
by artist: Martin Helmchen
in album: Chilling Cello
  type: MusicAlbum
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popularity: 2
genre: chamber-music
isrc code: DEE860500205
additional property: CopyrightID
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additional property: OTSVerificationAPI
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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
audio: Violin Sonata in A Major, FWV 8 (Arr. for Cello and Piano): IV. Allegretto poco mosso
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Porgy and Bess: Summertime (Arr. for Cello and Piano)
type: MusicRecording
duration: PT2M11S
duration ms: 131960
explicit: false
by artist: George Gershwin
by artist: Ofra Harnoy
by artist: Catherine Wilson
in album: Chilling Cello
  type: MusicAlbum
  date published: 2019-05-31
popularity: 4
isrc code: USBC18600183
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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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  date published: 2026-07-08T03:20:19Z
audio: Porgy and Bess: Summertime (Arr. for Cello and Piano)
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Seven Years in Tibet
type: MusicRecording
duration: PT7M8S
duration ms: 428720
explicit: false
by artist: John Williams
by artist: Yo-Yo Ma
in album: Chilling Cello
  type: MusicAlbum
  date published: 2019-05-31
popularity: 1
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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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  date published: 2026-07-08T03:20:19Z
audio: Seven Years in Tibet
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Thaïs: Méditation (Arr. for Cello and Piano)
type: MusicRecording
duration: PT5M15S
duration ms: 315920
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by artist: Jules Massenet
by artist: Wolfgang Emanuel Schmidt
by artist: Gerald Fauth
in album: Chilling Cello
  type: MusicAlbum
  date published: 2019-05-31
popularity: 1
genre: classical
isrc code: DEE860100772
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightChainExplorerURL
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Cello Sonata No. 2 in F Major, Op. 99: IV. Allegro molto
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Lasst mich allein, Op. 82, No. 1 (Arr. for Cello and Piano)
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Fantasiestücke, Op. 73: I. Zart und mit Ausdruck
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Grieg - Janáček - Kodály
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Brahms: The Complete Chamber Music for Clarinet
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Penderecki: Concertos, Vol. 9
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Casella, A.: Triple Concerto, Op. 56 / Violin Concerto, Op. 48
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