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description: Henry Charles Litolff (6 February 1818Museum of Music History. Henry LITOLFF (1818-1891) Retrieved 6 February 2024.Grove Dictionary of Music and Musicians Vol. 2 of 1880. LITOLFF, Henry Charles Retr
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album: The Complete Electric & Selected Acoustic Recordings (Recorded 1912-1933)
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  date published: 2011-10-01
album: The Best of Sir Henry J. Wood
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  date published: 2019-07-22
album: Litolff: Piano Trios Nos. 1 & 2
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  date published: 2020-01-31
album: Litolff: Concertos symphoniques Nos. 3 & 5 (Hyperion Romantic Piano Concerto 26)
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  date published: 2001-07-01
  track: Concerto symphonique No. 3 in E-Flat Major, Op. 45 "National Hollandais": I. Maestoso
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-31T17:29:52Z
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album: Litolff: Concertos symphoniques Nos. 2 & 4 (Hyperion Romantic Piano Concerto 14)
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-31T13:04:34Z
    audio: Concerto symphonique No. 2 in B Minor, Op. 22: I. Maestoso
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  track: Concerto symphonique No. 2 in B Minor, Op. 22: II. Scherzo
  track: Concerto symphonique No. 2 in B Minor, Op. 22: III. Andante
  track: Concerto symphonique No. 2 in B Minor, Op. 22: IV. Rondo. Allegretto
  track: Concerto symphonique No. 4 in D Minor, Op. 102: I. Allegro con fuoco
  track: Concerto symphonique No. 4 in D Minor, Op. 102: II. Scherzo. Presto
  track: Concerto symphonique No. 4 in D Minor, Op. 102: III. Adagio religioso
  track: Concerto symphonique No. 4 in D Minor, Op. 102: IV. Allegro impetuoso
album: Brahms: Piano Concerto No.1 / Franck: Variations Symphoniques / Litolff: Scherzo
album: John Ogdon - 70th Anniversary Edition

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Concerto symphonique No. 2 in B Minor, Op. 22: II. Scherzo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-08-01T01:44:32Z
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Concerto symphonique No. 2 in B Minor, Op. 22: III. Andante
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:13Z
audio: Concerto symphonique No. 2 in B Minor, Op. 22: III. Andante
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Concerto symphonique No. 2 in B Minor, Op. 22: IV. Rondo. Allegretto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
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Concerto symphonique No. 4 in D Minor, Op. 102: I. Allegro con fuoco
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY9688905
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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 0x5a504d7438c500392d11a16583b86bff1ab39cb1678c7960688fab37ed8efaf5. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY9688905.
  date published: 2026-07-08T03:20:19Z
audio: Concerto symphonique No. 4 in D Minor, Op. 102: I. Allegro con fuoco
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  additional property: Speechiness
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  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Concerto symphonique No. 4 in D Minor, Op. 102: II. Scherzo. Presto
type: MusicRecording
duration: PT6M29S
duration ms: 389933
explicit: false
by artist: Henry Litolff
by artist: Peter Donohoe
by artist: Andrew Litton
by artist: Bournemouth Symphony Orchestra
in album: Litolff: Concertos symphoniques Nos. 2 & 4 (Hyperion Romantic Piano Concerto 14)
  type: MusicAlbum
  date published: 1997-01-01
isrc code: GBAJY9688906
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xaefb4baf9c993ca7774b0205922f8893c41a3aac660e8284bdcff4d6da59e3f3
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY9688906
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T10:42:33Z
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 0xaefb4baf9c993ca7774b0205922f8893c41a3aac660e8284bdcff4d6da59e3f3. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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/GBAJY9688906.
  date published: 2026-07-30T10:42:33Z
audio: Concerto symphonique No. 4 in D Minor, Op. 102: II. Scherzo. Presto
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Concerto symphonique No. 4 in D Minor, Op. 102: III. Adagio religioso
type: MusicRecording
duration: PT7M28S
duration ms: 448400
explicit: false
by artist: Henry Litolff
by artist: Peter Donohoe
by artist: Andrew Litton
by artist: Bournemouth Symphony Orchestra
in album: Litolff: Concertos symphoniques Nos. 2 & 4 (Hyperion Romantic Piano Concerto 14)
  type: MusicAlbum
  date published: 1997-01-01
isrc code: GBAJY9688907
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
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY9688907
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T09:50:11Z
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: 2026-07-31T09:50:11Z
audio: Concerto symphonique No. 4 in D Minor, Op. 102: III. Adagio religioso
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Concerto symphonique No. 4 in D Minor, Op. 102: IV. Allegro impetuoso
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duration: PT10M26S
duration ms: 626466
explicit: false
by artist: Henry Litolff
by artist: Bournemouth Symphony Orchestra
by artist: Andrew Litton
by artist: Peter Donohoe
in album: Litolff: Concertos symphoniques Nos. 2 & 4 (Hyperion Romantic Piano Concerto 14)
  type: MusicAlbum
  date published: 1997-01-01
isrc code: GBAJY9688908
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY9688908
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x868048e7ea8ca1ed02849320ec69ae5f58a04c01ff18ca53641390e7814e06cf. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY9688908.
  date published: 2026-07-08T03:22:41Z
audio: Concerto symphonique No. 4 in D Minor, Op. 102: IV. Allegro impetuoso
  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: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.113
  additional property: Loudness (dB)
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  additional property: Key Name
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Brahms: Piano Concerto No.1 / Franck: Variations Symphoniques / Litolff: Scherzo
type: MusicAlbum
date published: 1962-01-01
track: Piano Concerto No. 1 in D Minor, Op. 15: 1. Maestoso - Poco più moderato
  type: MusicRecording
  duration: PT22M16S
  duration ms: 1336000
  explicit: false
  by artist: Johannes Brahms
  by artist: Sir Clifford Curzon
  by artist: London Symphony Orchestra
  by artist: George Szell
  in album: Brahms: Piano Concerto No.1 / Franck: Variations Symphoniques / Litolff: Scherzo
    type: MusicAlbum
    date published: 1962-01-01
  genre: classical
  genre: german-romanticism
  genre: classical-piano
  genre: late-romantic-era
  genre: chamber-music
  genre: orchestral
  isrc code: GBF076210021
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960314
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960314
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076210021
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T21:00:46Z
  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 0x3ce3ad0d8f6c9b3e99d3dbdd1aa4a9a8c587f33b4dd626d6ed12f77ddb50ac9f. Chain 2 (Bitcoin): anchored in block 960314 (2026-07-30T21:00:46Z), 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/GBF076210021.
    date published: 2026-07-30T21:00:46Z
  audio: Piano Concerto No. 1 in D Minor, Op. 15: 1. Maestoso - Poco più moderato
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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track: Piano Concerto No. 1 in D Minor, Op. 15: 2. Adagio
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  by artist: Johannes Brahms
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  by artist: London Symphony Orchestra
  by artist: George Szell
  in album: Brahms: Piano Concerto No.1 / Franck: Variations Symphoniques / Litolff: Scherzo
    type: MusicAlbum
    date published: 1962-01-01
  genre: classical
  genre: german-romanticism
  genre: classical-piano
  genre: late-romantic-era
  genre: chamber-music
  genre: orchestral
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076210022
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T20:22:46Z
  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
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    date published: 2026-07-31T20:22:46Z
  audio: Piano Concerto No. 1 in D Minor, Op. 15: 2. Adagio
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    additional property: Tempo (BPM)
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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track: Variations symphoniques
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  by artist: César Franck
  by artist: Sir Clifford Curzon
  by artist: London Philharmonic Orchestra
  by artist: Sir Adrian Boult
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    type: MusicAlbum
    date published: 1962-01-01
  genre: chamber-music
  isrc code: GBF075910650
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Variations symphoniques
track: Concerto Symphonique No. 4 in D Minor, Op. 102: II. Scherzo

CopyrightID
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CopyrightStatus
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CopyrightRegisteredAt
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CopyrightChainExplorerURL
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OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957120

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF075910650

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

OpenTimestamps Proof of Existence
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