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track: Variations for Piano & Big Band, Op. 3
track: Toccata for Piano & Big Band, Op. 8
track: Piano Concerto No. 2, Op. 14: I. Allegro molto
track: Piano Concerto No. 2, Op. 14: II. Andante
track: Piano Concerto No. 2, Op. 14: III. Rondo-Toccata. Vivace
track: Nocturne for Piano & Orchestra, Op. 16
track: Concert Rhapsody for Piano & Orchestra, Op. 25: I. Introduction
track: Concert Rhapsody for Piano & Orchestra, Op. 25: II. Humoresque
track: Piano Concerto No. 6, Op. 74: I. Allegro
track: Piano Concerto No. 6, Op. 74: II. Larghetto
track: Piano Concerto No. 6, Op. 74: III. Allegro giocoso
track: The Christmas Song - Chestnuts Roasting on an Open Fire
track: Chamber Symphony, Op. 57: III. Toccata

Variations for Piano & Big Band, Op. 3
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Toccata for Piano & Big Band, Op. 8
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Piano Concerto No. 2, Op. 14: I. Allegro molto
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Piano Concerto No. 2, Op. 14: II. Andante
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Piano Concerto No. 2, Op. 14: III. Rondo-Toccata. Vivace
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Nocturne for Piano & Orchestra, Op. 16
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audio: Nocturne for Piano & Orchestra, Op. 16
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Concert Rhapsody for Piano & Orchestra, Op. 25: I. Introduction
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Concert Rhapsody for Piano & Orchestra, Op. 25: II. Humoresque
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Piano Concerto No. 6, Op. 74: I. Allegro
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audio: Piano Concerto No. 6, Op. 74: I. Allegro
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Piano Concerto No. 6, Op. 74: II. Larghetto
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Piano Concerto No. 6, Op. 74: III. Allegro giocoso
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The Christmas Song - Chestnuts Roasting on an Open Fire
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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 0xb5334ffbc73b7bf672646fb6d95ebd8d1e1b4e21e27312a9c89ed56bef4dd49d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DES382201011.
  date published: 2026-07-08T03:53:27Z
audio: The Christmas Song - Chestnuts Roasting on an Open Fire
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.618
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.196
  additional property: Energy
    type: PropertyValue
    value: 0.164
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.949
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.726
  additional property: Liveness
    type: PropertyValue
    value: 0.135
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.137
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.622
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Chamber Symphony, Op. 57: III. Toccata
type: MusicRecording
duration: PT5M50S
duration ms: 350218
explicit: false
by artist: Nikolai Kapustin
by artist: Meinhard Jenne
by artist: Württemberg Chamber Orchestra
by artist: Frank Dupree
in album: Kapustin: Orchestral Works
  type: MusicAlbum
  date published: 2021-08-06
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23f416dc848cc29348c49441cc1ccc70fcddb16f61aa752753e1a66c12676da1. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/DEB262100167.
  date published: 2026-07-31T02:19:15Z
audio: Chamber Symphony, Op. 57: III. Toccata
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.049
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.345
  additional property: Energy
    type: PropertyValue
    value: 0.487
  additional property: Speechiness
    type: PropertyValue
    value: 0.088
  additional property: Acousticness
    type: PropertyValue
    value: 0.222
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.88
  additional property: Liveness
    type: PropertyValue
    value: 0.21
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.451
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.927
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEB262100167
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: 960334
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB262100167
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+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