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genre: classical
genre: classical piano
description: Murray David Perahia ( ; born April 19, 1947) is an American pianist and conductor. He has been considered one of the greatest living pianists. He was the first North American pianist to win the Leed
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album: Original Album Classics - Murray Perahia
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  date published: 1973
album: Schumann & Grieg: Piano Concertos (Expanded Edition)
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  track: Piano Concerto in A Minor, Op. 16: II. Adagio
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  track: Piano Concerto in A Minor, Op. 16: III. Allegro moderato molto e marcato
album: A Portrait of Murray Perahia
album: Mozart: Concertos for Piano and Orchestra No. 20 & 27
album: Schubert: Impromptus, D. 899 (Op. 90) & D. 935 (Op. 142); Schubert-Liszt: Song Transcriptions [Classic Library]
album: Murray Perahia - Une Belle Histoire De Piano
album: Mozart: 3 Piano Concertos After J.C. Bach, K. 107 - Schröter: Piano Concerto in C Major, Op. 3 No. 3
album: Mozart: Piano Concertos Nos. 1-3 - Schröter: Piano Concerto, Op. 3/3
album: Mozart: Sonata for 2 Pianos in D Major, K. 448 - Schubert: Fantasie in F Minor, Op. 103, D. 940
album: Mozart: Piano Quintet in E-Flat Major, K. 452 - Beethoven: Piano Quintet in E-Flat Major, Op. 16
album: Beethoven & Mozart: Piano Quintets
album: Mozart: Sonata for 2 Pianos in D Major, K. 448 & Schubert: Fantasie in F Minor for 2 Pianos, D. 940
album: Mozart & Beethoven: Piano Quintets
album: Schubert: Fantasie in C Major, D. 760 "Wanderer" & Schumann: Fantasie in C Major, Op. 17
album: Bartók: Sonata for 2 Pianos & Percussion, Sz. 110 - Brahms: Variations on a Theme by Haydn, Op. 56b
album: Schubert & Schumann: Piano Sonatas
album: Schubert: Piano Sonata No. 20 in A Major - Schumann: Piano Sonata No. 2 in G Minor
album: Schumann: Piano Concerto in A Minor, Op. 54 - Grieg: Piano Concerto in A Minor, Op. 16
album: Schumann & Grieg: Piano Concertos
album: The Aldeburgh Recital
album: Mozart: Concertos for 2 & 3 Pianos; Andante and Variations for Piano Four Hands
album: Murray Perahia Plays Franck & Liszt
album: Murray Perahia: 25th Anniversary Edition
album: Murray Perahia plays Handel and Scarlatti
album: Bach/Busoni; Mendelssohn; Schubert/Liszt - Songs Without Words
album: Songs Without Words
album: Pianiste et poète
album: "The Awards Collection" - Murray Perahia plays Beethoven, Brahms, Chopin
track: Ich ruf zu dir, Herr Jesu Christ, No. 5, BWV 639
track: Piano Sonata No. 11 in A Major, K. 331: III. Rondo alla turca. Allegretto
track: Keyboard Concerto in F Minor, BWV 1056: Keyboard Concerto in F Minor, BWV 1056: II. Largo
track: Piano Concerto No. 21 in C Major, K. 467 "Elvira Madigan": II. Andante
track: Piano Concerto No. 1 in F Major, K. 37: I. Allegro

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Piano Concerto in A Minor, Op. 16: III. Allegro moderato molto e marcato
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-19T00:50:09Z
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A Portrait of Murray Perahia
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track: 4 Impromptus, Op. 90, D. 899: No. 3 in G-Flat Major
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track: Rondo capriccioso in E Major, Op. 14, MWV U67
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Murray Perahia - Une Belle Histoire De Piano
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  subject of: OpenTimestamps Proof of Existence
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  subject of: OpenTimestamps Proof of Existence
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Mozart: Piano Concertos Nos. 1-3 - Schröter: Piano Concerto, Op. 3/3
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Mozart: Sonata for 2 Pianos in D Major, K. 448 - Schubert: Fantasie in F Minor, Op. 103, D. 940
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Beethoven & Mozart: Piano Quintets
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Mozart: Sonata for 2 Pianos in D Major, K. 448 - Schubert: Fantasie in F Minor, Op. 103, D. 940
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Mozart: Sonata for 2 Pianos in D Major, K. 448 & Schubert: Fantasie in F Minor for 2 Pianos, D. 940
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  subject of: OpenTimestamps Proof of Existence
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  audio: Piano Quintet in E-Flat Major, K. 452: III. Rondo. Allegretto
track: Piano Quintet in E-Flat Major, Op. 16: I. Grave - Allegro ma non troppo
track: Piano Quintet in E-Flat Major, Op. 16: II. Andante cantabile
track: Piano Quintet in E-Flat Major, Op. 16: III. Rondo. Allegro ma non troppo

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OpenTimestamps Proof of Existence
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date published: 2026-07-29T15:38:18Z

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Piano Quintet in E-Flat Major, Op. 16: I. Grave - Allegro ma non troppo
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T22:48:59Z
audio: Piano Quintet in E-Flat Major, Op. 16: I. Grave - Allegro ma non troppo
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Piano Quintet in E-Flat Major, Op. 16: II. Andante cantabile
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T14:28:24Z
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Piano Quintet in E-Flat Major, Op. 16: III. Rondo. Allegro ma non troppo
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T01:32:48Z
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Schubert: Fantasie in C Major, D. 760 "Wanderer" & Schumann: Fantasie in C Major, Op. 17
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date published: 1986-07-01

Bartók: Sonata for 2 Pianos & Percussion, Sz. 110 - Brahms: Variations on a Theme by Haydn, Op. 56b
type: MusicAlbum
date published: 1987-12-15

Schubert & Schumann: Piano Sonatas
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date published: 1988
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-20T21:15:01Z
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Schubert: Piano Sonata No. 20 in A Major - Schumann: Piano Sonata No. 2 in G Minor
type: MusicAlbum
date published: 1988-04-19

Schumann: Piano Concerto in A Minor, Op. 54 - Grieg: Piano Concerto in A Minor, Op. 16
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T19:27:56Z
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Schumann & Grieg: Piano Concertos
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date published: 1989-03-22

The Aldeburgh Recital
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Mozart: Concertos for 2 & 3 Pianos; Andante and Variations for Piano Four Hands
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-18T23:33:54Z
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track: Andante & Variations (5) in G Major for Piano 4-Hands, K.501: Variation I
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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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x256a1be4fc1dad0616e8874ce8bb7e8a7bbcb18fb530730aa4710b5a978ea6d1. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T14:09:34Z), 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/USSM10103074 — a six-check JSON result.
    date published: 2026-07-19T14:09:34Z
  audio: Andante & Variations (5) in G Major for Piano 4-Hands, K.501: Variation I
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 135.06
    additional property: Musical Key
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      value: 7
    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.434
    additional property: Energy
      type: PropertyValue
      value: 0.156
    additional property: Speechiness
      type: PropertyValue
      value: 0.05
    additional property: Acousticness
      type: PropertyValue
      value: 0.991
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.929
    additional property: Liveness
      type: PropertyValue
      value: 0.191
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.911
    additional property: Loudness (dB)
      type: PropertyValue
      value: -29.132
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Murray Perahia Plays Franck & Liszt
type: MusicAlbum
date published: 1991-08-09

Murray Perahia: 25th Anniversary Edition
type: MusicAlbum
date published: 1997

Murray Perahia plays Handel and Scarlatti
type: MusicAlbum
date published: 1997-02-25
track: Suite No. 5 in E Major, HWV 430: I. Prelude
  type: MusicRecording
  duration: PT1M53S
  duration ms: 113866
  explicit: false
  by artist: Murray Perahia
  in album: Murray Perahia plays Handel and Scarlatti
    type: MusicAlbum
    date published: 1997-02-25
  genre: classical
  genre: classical piano
  isrc code: USSM19603909
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T14:24:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7884e4ddbe44fbe7511edee13ec5c725295120a23e3fafdeb228d63cc18d6453
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958300
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958300
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603909
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T16:14:30Z
  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 0x7884e4ddbe44fbe7511edee13ec5c725295120a23e3fafdeb228d63cc18d6453. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/USSM19603909 — a six-check JSON result.
    date published: 2026-07-16T16:14:30Z
  audio: Suite No. 5 in E Major, HWV 430: I. Prelude
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 126.905
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.274
    additional property: Energy
      type: PropertyValue
      value: 0.053
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.994
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.899
    additional property: Liveness
      type: PropertyValue
      value: 0.114
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.363
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.992
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Suite No. 5 in E Major, HWV 430: III. Courante
  type: MusicRecording
  duration: PT1M30S
  duration ms: 90693
  explicit: false
  by artist: Murray Perahia
  in album: Murray Perahia plays Handel and Scarlatti
    type: MusicAlbum
    date published: 1997-02-25
  genre: classical
  genre: classical piano
  isrc code: USSM19603911
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T05:15:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe341de66662707480470d5b2055f193b4ded1668891e18b6c1bd8f97312fd310
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603911
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe341de66662707480470d5b2055f193b4ded1668891e18b6c1bd8f97312fd310. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603911 — a six-check JSON result.
    date published: 2026-07-04T10:04:33Z
  audio: Suite No. 5 in E Major, HWV 430: III. Courante
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 106.969
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.521
    additional property: Energy
      type: PropertyValue
      value: 0.161
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.996
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.898
    additional property: Liveness
      type: PropertyValue
      value: 0.107
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.884
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.166
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Chaconne in G Major, HWV 435
  type: MusicRecording
  duration: PT7M58S
  duration ms: 478400
  explicit: false
  by artist: Murray Perahia
  in album: Murray Perahia plays Handel and Scarlatti
    type: MusicAlbum
    date published: 1997-02-25
  genre: classical
  genre: classical piano
  isrc code: USSM19603897
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T09:25:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1e877134bb3c2de3ae736ffd8d03e6376714dd5a39fe944860515c7fd137d9bf
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958276
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Chaconne in G Major, HWV 435
track: Suite No. 3 in D Minor, HWV 428: I. Prélude - Presto
track: Suite No. 3 in D Minor, HWV 428: II. Allegro
track: Suite No. 3 in D Minor, HWV 428: III. Allemande
track: Suite No. 3 in D Minor, HWV 428: IV. Courante
track: Suite No. 3 in D Minor, HWV 428: V. Air con Variazioni
track: Suite No. 3 in D Minor, HWV 428: VI. Presto
track: Suite No.2 in F Major, HWV 427: Allegro
track: Suite No.2 in F Major, HWV 427: Adagio
track: Suite No.2 in F Major, HWV 427: Allegro [Fugue]
track: Sonata in D Major, K 491
track: Sonata in C-Sharp Minor, K 247
track: Sonata in D Major, K 29
track: Sonata in A Major, K 537
track: Sonata in E Major, K 206
track: Sonata in A Major, K 212

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958276

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603897

OTSTimestamp
type: PropertyValue
value: 2026-07-16T10:20:17Z

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
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e877134bb3c2de3ae736ffd8d03e6376714dd5a39fe944860515c7fd137d9bf. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/USSM19603897 — a six-check JSON result.
date published: 2026-07-16T10:20:17Z

Chaconne in G Major, HWV 435
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 143.941
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.27
additional property: Energy
  type: PropertyValue
  value: 0.083
additional property: Speechiness
  type: PropertyValue
  value: 0.036
additional property: Acousticness
  type: PropertyValue
  value: 0.989
additional property: Instrumentalness
  type: PropertyValue
  value: 0.918
additional property: Liveness
  type: PropertyValue
  value: 0.113
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.189
additional property: Loudness (dB)
  type: PropertyValue
  value: -24.212
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

Suite No. 3 in D Minor, HWV 428: I. Prélude - Presto
type: MusicRecording
duration: PT1M5S
duration ms: 65733
explicit: false
by artist: Murray Perahia
in album: Murray Perahia plays Handel and Scarlatti
  type: MusicAlbum
  date published: 1997-02-25
genre: classical
genre: classical piano
isrc code: USSM19603903
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T05:40:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x141d81ef6744c26976ad1561fdd105a72f7fad44cfeff341f8cbead15c5393c0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958506
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958506
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603903
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T06:14:51Z
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 0x141d81ef6744c26976ad1561fdd105a72f7fad44cfeff341f8cbead15c5393c0. Chain 2 (Bitcoin): anchored in block 958506 (2026-07-18T06:14:51Z), 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/USSM19603903 — a six-check JSON result.
  date published: 2026-07-18T06:14:51Z
audio: Suite No. 3 in D Minor, HWV 428: I. Prélude - Presto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.722
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.212
  additional property: Energy
    type: PropertyValue
    value: 0.152
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.855
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.15
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.155
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Suite No. 3 in D Minor, HWV 428: II. Allegro
type: MusicRecording
duration: PT2M21S
duration ms: 141866
explicit: false
by artist: Murray Perahia
in album: Murray Perahia plays Handel and Scarlatti
  type: MusicAlbum
  date published: 1997-02-25
genre: classical
genre: classical piano
isrc code: USSM19603904
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T06:24:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x45dbf046e93f80ce930060d68e436da704883030bd0446bffecd577a6534e7ce
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958510
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958510
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603904
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T06:38:22Z
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 0x45dbf046e93f80ce930060d68e436da704883030bd0446bffecd577a6534e7ce. Chain 2 (Bitcoin): anchored in block 958510 (2026-07-18T06:38:22Z), 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/USSM19603904 — a six-check JSON result.
  date published: 2026-07-18T06:38:22Z
audio: Suite No. 3 in D Minor, HWV 428: II. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 84.458
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.315
  additional property: Energy
    type: PropertyValue
    value: 0.109
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.917
  additional property: Liveness
    type: PropertyValue
    value: 0.143
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.476
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.639
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
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Suite No. 3 in D Minor, HWV 428: III. Allemande
type: MusicRecording
duration: PT2M4S
duration ms: 124640
explicit: false
by artist: Murray Perahia
in album: Murray Perahia plays Handel and Scarlatti
  type: MusicAlbum
  date published: 1997-02-25
genre: classical
genre: classical piano
isrc code: USSM19603905
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-13T15:32:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x25187d4f4621456c15a277304cd7186f59a0ac6bd450bf3687c1affcb4f980f4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957872
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957872
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603905
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-13T15:39:45Z
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 0x25187d4f4621456c15a277304cd7186f59a0ac6bd450bf3687c1affcb4f980f4. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/USSM19603905 — a six-check JSON result.
  date published: 2026-07-13T15:39:45Z
audio: Suite No. 3 in D Minor, HWV 428: III. Allemande
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.506
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.311
  additional property: Energy
    type: PropertyValue
    value: 0.046
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.891
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.169
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.062
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Suite No. 3 in D Minor, HWV 428: IV. Courante
type: MusicRecording
duration: PT1M22S
duration ms: 82426
explicit: false
by artist: Murray Perahia
in album: Murray Perahia plays Handel and Scarlatti
  type: MusicAlbum
  date published: 1997-02-25
genre: classical
genre: classical piano
isrc code: USSM19603906
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T03:38:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbf236a0f8347dfcda4ea7db59955a80912b5ec509f7d8c5f63974dd967e07211
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956776
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956776
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603906
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T10:59:37Z
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 0xbf236a0f8347dfcda4ea7db59955a80912b5ec509f7d8c5f63974dd967e07211. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/USSM19603906 — a six-check JSON result.
  date published: 2026-07-05T10:59:37Z
audio: Suite No. 3 in D Minor, HWV 428: IV. Courante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 172.528
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.362
  additional property: Energy
    type: PropertyValue
    value: 0.138
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.89
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.957
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.872
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Suite No. 3 in D Minor, HWV 428: V. Air con Variazioni
type: MusicRecording
duration: PT3M43S
duration ms: 223866
explicit: false
by artist: Murray Perahia
in album: Murray Perahia plays Handel and Scarlatti
  type: MusicAlbum
  date published: 1997-02-25
genre: classical
genre: classical piano
isrc code: USSM19603907
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-13T15:16:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x972229cbf571db989c5b48fe5b9578cf39834ea858eb641921590dcb38ac0528
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957872
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957872
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603907
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-13T15:39:45Z
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 0x972229cbf571db989c5b48fe5b9578cf39834ea858eb641921590dcb38ac0528. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/USSM19603907 — a six-check JSON result.
  date published: 2026-07-13T15:39:45Z
audio: Suite No. 3 in D Minor, HWV 428: V. Air con Variazioni
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 66.635
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.19
  additional property: Energy
    type: PropertyValue
    value: 0.121
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.928
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.2
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.346
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Suite No. 3 in D Minor, HWV 428: VI. Presto
type: MusicRecording
duration: PT2M42S
duration ms: 162333
explicit: false
by artist: Murray Perahia
in album: Murray Perahia plays Handel and Scarlatti
  type: MusicAlbum
  date published: 1997-02-25
genre: classical
genre: classical piano
isrc code: USSM19603908
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T12:04:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x95838a97e92dff3dbf2eb9e194daa4ca836f9e639d45ec65828a4da23fbc8a35
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958878
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958878
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603908
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T12:32:15Z
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 0x95838a97e92dff3dbf2eb9e194daa4ca836f9e639d45ec65828a4da23fbc8a35. Chain 2 (Bitcoin): anchored in block 958878 (2026-07-20T12:32:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603908 — a six-check JSON result.
  date published: 2026-07-20T12:32:15Z
audio: Suite No. 3 in D Minor, HWV 428: VI. Presto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.563
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.323
  additional property: Energy
    type: PropertyValue
    value: 0.162
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.92
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.751
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.244
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Suite No.2 in F Major, HWV 427: Allegro
type: MusicRecording
duration: PT2M11S
duration ms: 131065
explicit: false
by artist: Murray Perahia
in album: Murray Perahia plays Handel and Scarlatti
  type: MusicAlbum
  date published: 1997-02-25
genre: classical
genre: classical piano
isrc code: USSM19603899
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T21:53:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcf6bba6cb5a62058ac8c5429e8edd4dbe3c811aaa2ca6be255cb820da2a02f3b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958792
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958792
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603899
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T22:55:52Z
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 0xcf6bba6cb5a62058ac8c5429e8edd4dbe3c811aaa2ca6be255cb820da2a02f3b. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-19T22:55:52Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603899 — a six-check JSON result.
  date published: 2026-07-19T22:55:52Z
audio: Suite No.2 in F Major, HWV 427: Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.498
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.373
  additional property: Energy
    type: PropertyValue
    value: 0.135
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.887
  additional property: Liveness
    type: PropertyValue
    value: 0.147
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.961
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.397
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Suite No.2 in F Major, HWV 427: Adagio
type: MusicRecording
duration: PT1M19S
duration ms: 79293
explicit: false
by artist: Murray Perahia
in album: Murray Perahia plays Handel and Scarlatti
  type: MusicAlbum
  date published: 1997-02-25
genre: classical
genre: classical piano
isrc code: USSM19603900
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T14:55:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdcb2ff09f4d56ab1a67dc5769f2dc5c0fcee8acb38148612a6e9d91bcb187cf4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958746
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958746
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603900
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T15:36:35Z
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 0xdcb2ff09f4d56ab1a67dc5769f2dc5c0fcee8acb38148612a6e9d91bcb187cf4. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T15:36:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603900 — a six-check JSON result.
  date published: 2026-07-19T15:36:35Z
audio: Suite No.2 in F Major, HWV 427: Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 172.553
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.295
  additional property: Energy
    type: PropertyValue
    value: 0.028
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.894
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.399
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.057
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Suite No.2 in F Major, HWV 427: Allegro [Fugue]
type: MusicRecording
duration: PT2M19S
duration ms: 139840
explicit: false
by artist: Murray Perahia
in album: Murray Perahia plays Handel and Scarlatti
  type: MusicAlbum
  date published: 1997-02-25
genre: classical
genre: classical piano
isrc code: USSM19603901
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T20:53:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9f554bd4b0ce2ef99392d3144aceb2c81a2119d2a6b676e2095059a3467fa04f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958779
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958779
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603901
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T21:08:39Z
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 0x9f554bd4b0ce2ef99392d3144aceb2c81a2119d2a6b676e2095059a3467fa04f. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T21:08:39Z), 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/USSM19603901 — a six-check JSON result.
  date published: 2026-07-19T21:08:39Z
audio: Suite No.2 in F Major, HWV 427: Allegro [Fugue]
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 193.558
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.146
  additional property: Energy
    type: PropertyValue
    value: 0.182
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.908
  additional property: Liveness
    type: PropertyValue
    value: 0.173
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.657
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.407
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sonata in D Major, K 491
type: MusicRecording
duration: PT5M25S
duration ms: 325360
explicit: false
by artist: Murray Perahia
in album: Murray Perahia plays Handel and Scarlatti
  type: MusicAlbum
  date published: 1997-02-25
genre: classical
genre: classical piano
isrc code: USSM19603918
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T00:04:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x644be59c0d6f3d3dcf8fce5ff5fd384519466f698f1a28b5859a8e5cc03739be
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958218
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958218
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603918
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T00:33:33Z
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x644be59c0d6f3d3dcf8fce5ff5fd384519466f698f1a28b5859a8e5cc03739be. Chain 2 (Bitcoin): anchored in block 958218 (2026-07-16T00:33:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603918 — a six-check JSON result.
  date published: 2026-07-16T00:33:33Z
audio: Sonata in D Major, K 491
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.614
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.389
  additional property: Energy
    type: PropertyValue
    value: 0.157
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.903
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.294
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.377
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sonata in C-Sharp Minor, K 247
type: MusicRecording
duration: PT4M51S
duration ms: 291733
explicit: false
by artist: Murray Perahia
in album: Murray Perahia plays Handel and Scarlatti
  type: MusicAlbum
  date published: 1997-02-25
genre: classical
genre: classical piano
isrc code: USSM19603917
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T05:08:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2c3317a5a44130aeac1d4b5650d80a78e4f39e26aff1a12cc238ff147462dfdc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956634
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956634
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603917
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T10:04:33Z
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c3317a5a44130aeac1d4b5650d80a78e4f39e26aff1a12cc238ff147462dfdc. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603917 — a six-check JSON result.
  date published: 2026-07-04T10:04:33Z
audio: Sonata in C-Sharp Minor, K 247
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.474
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.305
  additional property: Energy
    type: PropertyValue
    value: 0.031
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.889
  additional property: Liveness
    type: PropertyValue
    value: 0.075
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.141
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.565
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Sonata in D Major, K 29
type: MusicRecording
duration: PT4M34S
duration ms: 274706
explicit: false
by artist: Murray Perahia
in album: Murray Perahia plays Handel and Scarlatti
  type: MusicAlbum
  date published: 1997-02-25
genre: classical
genre: classical piano
isrc code: USSM19603914
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe0fa9ef5db9de60b630492d38ac1b4a0e35357c1f2de101b514c116b8bb4a7be
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958621
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958621
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603914
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T22:59:44Z
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 0xe0fa9ef5db9de60b630492d38ac1b4a0e35357c1f2de101b514c116b8bb4a7be. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/USSM19603914 — a six-check JSON result.
  date published: 2026-07-18T22:59:44Z
audio: Sonata in D Major, K 29
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 79.753
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.408
  additional property: Energy
    type: PropertyValue
    value: 0.167
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.903
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.582
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.546
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sonata in A Major, K 537
type: MusicRecording
duration: PT3M1S
duration ms: 181893
explicit: false
by artist: Murray Perahia
in album: Murray Perahia plays Handel and Scarlatti
  type: MusicAlbum
  date published: 1997-02-25
genre: classical
genre: classical piano
isrc code: USSM19603916
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T06:30:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa618ec164cc8ab5096ee2d616a49757899e26099a4d2f061e9003716937fbf1c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956822
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956822
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603916
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T18:48:28Z
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 0xa618ec164cc8ab5096ee2d616a49757899e26099a4d2f061e9003716937fbf1c. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/USSM19603916 — a six-check JSON result.
  date published: 2026-07-05T18:48:28Z
audio: Sonata in A Major, K 537
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.011
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.482
  additional property: Energy
    type: PropertyValue
    value: 0.206
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.914
  additional property: Liveness
    type: PropertyValue
    value: 0.135
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.406
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.987
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sonata in E Major, K 206
type: MusicRecording
duration: PT5M52S
duration ms: 352933
explicit: false
by artist: Murray Perahia
in album: Murray Perahia plays Handel and Scarlatti
  type: MusicAlbum
  date published: 1997-02-25
genre: classical
genre: classical piano
isrc code: USSM19603915
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T16:26:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x86e1377ae20c1b460a0950bb8ad777a87c03e81e19396d3ffb3e37338483889c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956725
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956725
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603915
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:12:41Z
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 0x86e1377ae20c1b460a0950bb8ad777a87c03e81e19396d3ffb3e37338483889c. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603915 — a six-check JSON result.
  date published: 2026-07-05T01:12:41Z
audio: Sonata in E Major, K 206
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 65.587
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.426
  additional property: Energy
    type: PropertyValue
    value: 0.019
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.915
  additional property: Liveness
    type: PropertyValue
    value: 0.068
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.122
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.946
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sonata in A Major, K 212
type: MusicRecording
duration: PT3M5S
duration ms: 185506
explicit: false
by artist: Murray Perahia
in album: Murray Perahia plays Handel and Scarlatti
  type: MusicAlbum
  date published: 1997-02-25
genre: classical
genre: classical piano
isrc code: USSM19603896
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T10:56:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc95e67259103fb19b671c8eaa1a9e2f9ce5bba1d2ba48978ac3cf626ba2aba02
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956725
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956725
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603896
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:12:41Z
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 0xc95e67259103fb19b671c8eaa1a9e2f9ce5bba1d2ba48978ac3cf626ba2aba02. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603896 — a six-check JSON result.
  date published: 2026-07-05T01:12:41Z
audio: Sonata in A Major, K 212
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 155.733
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.288
  additional property: Energy
    type: PropertyValue
    value: 0.221
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.888
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.578
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.498
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach/Busoni; Mendelssohn; Schubert/Liszt - Songs Without Words
type: MusicAlbum
date published: 1999
track: Nun komm, der Heiden Heiland, No. 3, BWV 659
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253960
  explicit: false
  by artist: Murray Perahia
  in album: Bach/Busoni; Mendelssohn; Schubert/Liszt - Songs Without Words
    type: MusicAlbum
    date published: 1999
  genre: classical
  genre: classical piano
  isrc code: USSM19908799
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T17:27:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfd5a0778fdcdeda1c58051bb6b7b855ef4ac45ceb4c0eb28a87779a61c1e762d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958917
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958917
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19908799
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T17:53:56Z
  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 0xfd5a0778fdcdeda1c58051bb6b7b855ef4ac45ceb4c0eb28a87779a61c1e762d. Chain 2 (Bitcoin): anchored in block 958917 (2026-07-20T17:53:56Z), 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/USSM19908799 — a six-check JSON result.
    date published: 2026-07-20T17:53:56Z
  audio: Nun komm, der Heiden Heiland, No. 3, BWV 659
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 76.151
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.325
    additional property: Energy
      type: PropertyValue
      value: 0.025
    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0.994
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.869
    additional property: Liveness
      type: PropertyValue
      value: 0.094
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.155
    additional property: Loudness (dB)
      type: PropertyValue
      value: -32.353
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Lieder ohne Worte, Op. 19, No. 3 - Instrumental
  type: MusicRecording
  duration: PT2M7S
  duration ms: 127000
  explicit: false
  by artist: Murray Perahia
  in album: Bach/Busoni; Mendelssohn; Schubert/Liszt - Songs Without Words
    type: MusicAlbum
    date published: 1999
  genre: classical
  genre: classical piano
  isrc code: USSM19704778
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T16:20:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x281cf8f115726ba8bf718d83653ace8e58d7c87492b737331c0d562ce3f1bff4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956545
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956545
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19704778
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T19:59:51Z
  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 0x281cf8f115726ba8bf718d83653ace8e58d7c87492b737331c0d562ce3f1bff4. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/USSM19704778 — a six-check JSON result.
    date published: 2026-07-03T19:59:51Z
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  subject of: OpenTimestamps Proof of Existence
  audio: Lieder ohne Worte, Op. 30, No. 6 - Instrumental
track: Schwanengesang, S. 560: No. 7, Ständchen "Leise flehen meine Lieder"

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OTSVerificationAPI
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4943477a30682e28978eaddbf733c4270c6e5de8984a22fd8841575a57584dc2. Chain 2 (Bitcoin): anchored in block 958682 (2026-07-19T06:17:12Z), 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/USSM19704783 — a six-check JSON result.
date published: 2026-07-19T06:17:12Z

Lieder ohne Worte, Op. 30, No. 6 - Instrumental
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Schwanengesang, S. 560: No. 7, Ständchen "Leise flehen meine Lieder"
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by artist: Murray Perahia
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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
  type: DigitalDocument
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  date published: 2026-07-19T12:24:55Z
audio: Schwanengesang, S. 560: No. 7, Ständchen "Leise flehen meine Lieder"
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Songs Without Words
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track: 12 Lieder von Franz Schubert, S. 558: No. 2, Auf dem Wasser zu singen
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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: 2026-07-15T17:59:52Z
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Pianiste et poète
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date published: 2008

"The Awards Collection" - Murray Perahia plays Beethoven, Brahms, Chopin
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-17T06:09:33Z
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"The Awards Collection" - Murray Perahia plays Beethoven, Brahms, Chopin
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-19T07:11:11Z
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track: Variations on a Theme by Haydn, Op. 56b "St. Anthony Variations": Var. I. Andante con moto
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-20T04:30:07Z
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track: Variations on a Theme by Haydn, Op. 56b "St. Anthony Variations": Var. III. Con moto
track: Variations on a Theme by Haydn, Op. 56b "St. Anthony Variations": Var. IV. Andante
track: Variations on a Theme by Haydn, Op. 56b "St. Anthony Variations": Var. V. Poco presto
track: Variations on a Theme by Haydn, Op. 56b "St. Anthony Variations": Var. VI. Vivace
track: Variations on a Theme by Haydn, Op. 56b "St. Anthony Variations": Var. VII. Grazioso
track: Variations on a Theme by Haydn, Op. 56b "St. Anthony Variations": Var. VIII. Poco presto
track: Variations on a Theme by Haydn, Op. 56b "St. Anthony Variations": Finale. Andante
track: 12 Études, Op. 10: No. 1 in C Major "Waterfall"
track: 12 Études, Op. 10: No. 2 in A Minor "Chromatique"
track: 12 Études, Op. 10: No. 3 in E Major "Tristesse"
track: 12 Études, Op. 10: No. 8 in F Major "Sunshine"
track: 12 Études, Op. 10: No. 12 in C Minor "Revolutionary"

OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x709a829785f31ff97b25aa9cfa6c0febc22ddda36480625a65a719d659d4f28e. Chain 2 (Bitcoin): anchored in block 958873 (2026-07-20T11:48:10Z), 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/USSM18700243 — a six-check JSON result.
date published: 2026-07-20T11:48:10Z

Variations on a Theme by Haydn, Op. 56b "St. Anthony Variations": Var. II. Vivace
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Variations on a Theme by Haydn, Op. 56b "St. Anthony Variations": Var. III. Con moto
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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
  type: DigitalDocument
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  date published: 2026-07-18T21:01:11Z
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Variations on a Theme by Haydn, Op. 56b "St. Anthony Variations": Var. IV. Andante
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by artist: Murray Perahia
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genre: classical
genre: classical piano
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additional property: CopyrightID
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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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  date published: 2026-07-05T19:27:56Z
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Variations on a Theme by Haydn, Op. 56b "St. Anthony Variations": Var. V. Poco presto
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duration: PT0M56S
duration ms: 56973
explicit: false
by artist: Murray Perahia
in album: "The Awards Collection" - Murray Perahia plays Beethoven, Brahms, Chopin
  type: MusicAlbum
  date published: 2025-03-12
genre: classical
genre: classical piano
isrc code: USSM18700246
additional property: CopyrightID
additional property: CopyrightStatus
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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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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-21T07:04:12Z
audio: Variations on a Theme by Haydn, Op. 56b "St. Anthony Variations": Var. V. Poco presto
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Variations on a Theme by Haydn, Op. 56b "St. Anthony Variations": Var. VI. Vivace
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duration: PT1M10S
duration ms: 70000
explicit: false
by artist: Murray Perahia
in album: "The Awards Collection" - Murray Perahia plays Beethoven, Brahms, Chopin
  type: MusicAlbum
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genre: classical
genre: classical piano
isrc code: USSM18700247
additional property: CopyrightID
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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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  date published: 2026-07-18T13:15:29Z
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Variations on a Theme by Haydn, Op. 56b "St. Anthony Variations": Var. VII. Grazioso
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genre: classical
genre: classical piano
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additional property: CopyrightID
additional property: CopyrightStatus
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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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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe00346d345b1d54ec07a5c050320ed322f55ff3839f6a70d07e92cf86cb92fbc. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T10:57:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM18700248 — a six-check JSON result.
  date published: 2026-07-21T10:57:35Z
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Variations on a Theme by Haydn, Op. 56b "St. Anthony Variations": Var. VIII. Poco presto
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genre: classical
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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: 2026-07-19T07:45:31Z
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Variations on a Theme by Haydn, Op. 56b "St. Anthony Variations": Finale. Andante
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by artist: Murray Perahia
in album: "The Awards Collection" - Murray Perahia plays Beethoven, Brahms, Chopin
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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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  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: 2026-07-21T10:04:40Z
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12 Études, Op. 10: No. 1 in C Major "Waterfall"
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duration: PT1M57S
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by artist: Murray Perahia
in album: "The Awards Collection" - Murray Perahia plays Beethoven, Brahms, Chopin
  type: MusicAlbum
  date published: 2025-03-12
genre: classical
genre: classical piano
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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
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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 0xdbb9defc692844f7f18072c7bec55fa9ccffa935d938b3a014d2cad77a00bc42. Chain 2 (Bitcoin): anchored in block 958873 (2026-07-20T11:48:10Z), 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/USSM10200455 — a six-check JSON result.
  date published: 2026-07-20T11:48:10Z
audio: 12 Études, Op. 10: No. 1 in C Major "Waterfall"
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12 Études, Op. 10: No. 2 in A Minor "Chromatique"
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duration: PT1M24S
duration ms: 84533
explicit: false
by artist: Murray Perahia
in album: "The Awards Collection" - Murray Perahia plays Beethoven, Brahms, Chopin
  type: MusicAlbum
  date published: 2025-03-12
genre: classical
genre: classical piano
isrc code: USSM10200456
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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 0xd61a6e51209972a5982bab9d994d2d0e9ace0cab607dbd90045f702ef090b3ef. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/USSM10200456 — a six-check JSON result.
  date published: 2026-07-21T00:24:07Z
audio: 12 Études, Op. 10: No. 2 in A Minor "Chromatique"
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12 Études, Op. 10: No. 3 in E Major "Tristesse"
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duration: PT3M51S
duration ms: 231693
explicit: false
by artist: Murray Perahia
in album: "The Awards Collection" - Murray Perahia plays Beethoven, Brahms, Chopin
  type: MusicAlbum
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genre: classical
genre: classical piano
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additional property: CopyrightID
additional property: CopyrightStatus
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-18T22:07:13Z
audio: 12 Études, Op. 10: No. 3 in E Major "Tristesse"
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12 Études, Op. 10: No. 8 in F Major "Sunshine"
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in album: "The Awards Collection" - Murray Perahia plays Beethoven, Brahms, Chopin
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genre: classical
genre: classical piano
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-05T10:01:46Z
audio: 12 Études, Op. 10: No. 8 in F Major "Sunshine"
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12 Études, Op. 10: No. 12 in C Minor "Revolutionary"
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duration: PT2M32S
duration ms: 152613
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in album: "The Awards Collection" - Murray Perahia plays Beethoven, Brahms, Chopin
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-21T15:22:58Z
audio: 12 Études, Op. 10: No. 12 in C Minor "Revolutionary"
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Ich ruf zu dir, Herr Jesu Christ, No. 5, BWV 639
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by artist: Murray Perahia
in album: "Music for a While" - Relaxing Melodies
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popularity: 23
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: Ich ruf zu dir, Herr Jesu Christ, No. 5, BWV 639
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Piano Sonata No. 11 in A Major, K. 331: III. Rondo alla turca. Allegretto
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by artist: Murray Perahia
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genre: classical-piano
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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Keyboard Concerto in F Minor, BWV 1056: Keyboard Concerto in F Minor, BWV 1056: II. Largo
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by artist: Murray Perahia
by artist: Academy of St. Martin in the Fields
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Piano Concerto No. 21 in C Major, K. 467 "Elvira Madigan": II. Andante
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by artist: English Chamber Orchestra
by artist: Murray Perahia
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popularity: 10
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Piano Concerto No. 1 in F Major, K. 37: I. Allegro
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by artist: Murray Perahia
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popularity: 3
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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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Piano Sonata No. 11 in A Major, K. 331: III. Rondo alla turca. Allegretto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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