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genre: classical
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description: Garrick Olaf Ohlsson (born April 3, 1948) is an American classical pianist. In 1970, he became the first competitor from the United States to win the gold medal awarded by the International Chopin Pia
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  track: Piano Quintet, Op. 84: I. Moderato – Allegro
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album: Dvorák: Complete Symphonies & Concertos
album: Chopin Nocturnes
album: Charles Tomlinson Griffes: Piano Music
album: The Complete Beethoven Piano Concertos
album: Schubert: Piano Sonatas, D. 537 & D. 959
album: Chopin Preludes
album: Brahms: Piano Sonatas 1 & 2; Rhapsodies
album: Brahms: Late Piano Works, Op. 116, 117 & 118
album: Chopin: Scherzo, Nocturnes, Mazurkas (4-7 April 2017)
album: Chopin: Scherzo, Nocturnes, Mazurkas (10-13 April 2017)
album: Manuel de Falla: Fantasia Baetica & Other Piano Music
album: Beethoven: Piano Sonatas, Vol. 9
album: Beethoven: Piano Sonatas, Vol. 4
album: Scriabin: Piano Works
album: Smetana: Czech Dances & On the Seashore
album: Debussy, Bartók & Prokofiev: Études
album: Scriabin: Complete Poèmes for Piano
album: Schubert: Piano Sonatas Nos. 13, 16 & Wanderer Fantasy
album: Liszt: Piano Works, Vol. 2 – Garrick Ohlsson Edition
album: Close Connections
album: Grieg: Orchestral Works & Piano Works (Famous Classical Music)
album: Grieg: Orchestral Works & Piano Concerto in A Minor
album: Granados: Goyescas & Other Piano Music
album: Weber: Complete Piano Sonatas
album: Liszt: Piano Works, Vol. 1 – Garrick Ohlsson Edition
album: Brahms: Complete Variations for Solo Piano
album: Rachmaninoff, Mussorgsky & Prokofiev: Piano Works
album: Chopin: Preludes & Impromptus
album: Chopin: Great Polonaises; Andante spianato
album: Chopin: Complete Études
album: Chopin: Complete Waltzes
album: Chopin: Complete Mazurkas, Vol. 2
album: Chopin: Complete Mazurkas, Vol. 1
album: Chopin: Chamber Music
album: Wigmore Hall Live - Ewa Podles & Garrick Ohlsson
album: Scriabin: Complete Etudes
album: Beethoven: Piano Sonatas, Vol. 6
album: Beethoven: Piano Sonatas, Vol. 8
album: Beethoven: Piano Sonatas, Vol. 5
track: Preludes, Op. 28: No. 15 in D-Flat Major "Raindrop" (Sostenuto)
track: Nocturnes, Op. 9: No. 2 in E-Flat Major
track: Chopin: Fantasy on Polish Airs, Op. 13
track: Preludes, Op. 28: No. 4 in E Minor (Largo)
track: Nocturnes, Op. 9: No. 3 in B Major
track: Nocturnes, Op. 9: No. 4 in F Major
track: 2 Poèmes, Op. 63: No. 1, Masque. Allegretto
track: Nocturnes, Op. 62: No. 1 in B Major (Andante)
track: Nocturnes, Op. 27: No. 1 in C-Sharp Minor
track: Preludes, Op. 28: No. 3 in G Major (Vivace)

3 Pieces, Op. 2: No. 1 in C-Sharp Minor
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12 Études, Op. 8: No. 12 in D-Sharp Minor
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8 Etudes, Op. 42: No. 5 in C-Sharp Minor
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track: Symphony No. 6 in D Major, Op. 60, B. 112: I. Allegro non tanto
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track: Symphony No. 2 in B-Flat Major, Op. 4, B. 12: IV. Finale. Allegro con fuoco
track: Symphony No. 9 in E Minor, Op. 95, B. 178 "From the New World": I. Adagio – Allegro molto
track: Piano Concerto in G Minor, Op. 33: II. Andante sostenuto
track: Symphony No. 5 in F Major, Op. 76, B. 54: I. Allegro, ma non troppo
track: Symphony No. 7 in D Minor, Op. 70, B. 141: I. Allegro maestoso
track: Symphony No. 9 in E Minor, Op. 95, B. 178 "From the New World": II. Largo
track: Cello Concerto in B Minor, Op. 104, B. 191: II. Adagio ma non troppo
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track: Cello Concerto in B Minor, Op. 104, B. 191: III. Finale. Allegro moderato
track: Symphony No. 9 in E Minor, Op. 95, B. 178 "From the New World": IV. Finale. Allegro con fuoco

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date published: 2026-07-08T03:53:27Z

Symphony No. 4 in D Minor, Op. 13, B. 41: I. Allegro
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Symphony No. 1 in C Minor, Op. 3, B. 9 "The Bells of Zlonice": II. Adagio di molto
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by artist: Antonín Dvořák
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
in album: Dvorák: Complete Symphonies & Concertos
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genre: classical
genre: late-romantic-era
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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: 2026-07-08T08:56:20Z
audio: Symphony No. 1 in C Minor, Op. 3, B. 9 "The Bells of Zlonice": II. Adagio di molto
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Symphony No. 4 in D Minor, Op. 13, B. 41: II. Andante sostenuto e molto cantabile
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duration: PT11M40S
duration ms: 700320
explicit: false
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by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
in album: Dvorák: Complete Symphonies & Concertos
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genre: classical
genre: late-romantic-era
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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: 2026-07-08T03:22:41Z
audio: Symphony No. 4 in D Minor, Op. 13, B. 41: II. Andante sostenuto e molto cantabile
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Symphony No. 8 in G Major, Op. 88, B. 163: IV. Allegro ma non troppo
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duration: PT10M36S
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by artist: Antonín Dvořák
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
in album: Dvorák: Complete Symphonies & Concertos
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genre: classical
genre: late-romantic-era
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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: 2026-07-08T03:22:41Z
audio: Symphony No. 8 in G Major, Op. 88, B. 163: IV. Allegro ma non troppo
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Symphony No. 2 in B-Flat Major, Op. 4, B. 12: IV. Finale. Allegro con fuoco
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duration: PT11M20S
duration ms: 680906
explicit: false
by artist: Antonín Dvořák
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
in album: Dvorák: Complete Symphonies & Concertos
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genre: classical
genre: late-romantic-era
genre: czech-classical
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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: 2026-07-08T03:53:27Z
audio: Symphony No. 2 in B-Flat Major, Op. 4, B. 12: IV. Finale. Allegro con fuoco
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Symphony No. 9 in E Minor, Op. 95, B. 178 "From the New World": I. Adagio – Allegro molto
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duration: PT9M54S
duration ms: 594733
explicit: false
by artist: Antonín Dvořák
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
in album: Dvorák: Complete Symphonies & Concertos
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  date published: 2014-01-01
genre: classical
genre: late-romantic-era
genre: czech-classical
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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: 2026-07-08T03:22:41Z
audio: Symphony No. 9 in E Minor, Op. 95, B. 178 "From the New World": I. Adagio – Allegro molto
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Piano Concerto in G Minor, Op. 33: II. Andante sostenuto
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duration: PT8M59S
duration ms: 539040
explicit: false
by artist: Antonín Dvořák
by artist: Garrick Ohlsson
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
in album: Dvorák: Complete Symphonies & Concertos
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  date published: 2014-01-01
genre: classical
genre: late-romantic-era
genre: czech-classical
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Piano Concerto in G Minor, Op. 33: II. Andante sostenuto
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Symphony No. 5 in F Major, Op. 76, B. 54: I. Allegro, ma non troppo
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duration: PT13M55S
duration ms: 835600
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by artist: Antonín Dvořák
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
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  date published: 2014-01-01
genre: classical
genre: late-romantic-era
genre: czech-classical
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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: 2026-07-08T03:53:27Z
audio: Symphony No. 5 in F Major, Op. 76, B. 54: I. Allegro, ma non troppo
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Symphony No. 7 in D Minor, Op. 70, B. 141: I. Allegro maestoso
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Symphony No. 9 in E Minor, Op. 95, B. 178 "From the New World": II. Largo
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Cello Concerto in B Minor, Op. 104, B. 191: II. Adagio ma non troppo
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Symphony No. 5 in F Major, Op. 76, B. 54: II. Andante con moto
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Cello Concerto in B Minor, Op. 104, B. 191: III. Finale. Allegro moderato
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Symphony No. 9 in E Minor, Op. 95, B. 178 "From the New World": IV. Finale. Allegro con fuoco
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Chopin Nocturnes
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab1ffc9af7a23ed4cbbc4e7f49bb01592b6559449daabfa9e6e0bd9b3bc6f01a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200814.
    date published: 2026-06-13T13:32:09Z
  audio: Nocturnes, Op. 9: No. 1 in B-Flat Minor
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    additional property: Energy
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    additional property: Acousticness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Nocturnes, Op. 9: No. 2 in E-Flat Major
  type: MusicRecording
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  by artist: Frédéric Chopin
  by artist: Arthur Rubinstein
  in album: Chopin Nocturnes
    type: MusicAlbum
    date published: 2016-11-08
  popularity: 16
  genre: classical
  genre: early-romantic-era
  genre: polish-classical
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4e0096710b78bc8981cce3f84c4f63dbd43666cebd65ddc3f1923b3fa5a1d53f
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200815
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e0096710b78bc8981cce3f84c4f63dbd43666cebd65ddc3f1923b3fa5a1d53f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200815.
    date published: 2026-07-02T03:30:09Z
  audio: Nocturnes, Op. 9: No. 2 in E-Flat Major
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Mode (Major/Minor)
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track: Nocturnes, Op. 9: No. 3 in B Major
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  explicit: false
  by artist: Frédéric Chopin
  by artist: Arthur Rubinstein
  in album: Chopin Nocturnes
    type: MusicAlbum
    date published: 2016-11-08
  popularity: 10
  genre: classical
  genre: early-romantic-era
  genre: polish-classical
  isrc code: GBAYC9200816
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Nocturnes, Op. 9: No. 3 in B Major
track: Nocturnes, Op. 15: No. 1 in F Major
track: Nocturnes, Op. 15: No. 2 in F-Sharp Major
track: Nocturnes, Op. 15: No. 3 in G Minor
track: Nocturnes, Op. 27: No. 1 in C-Sharp Minor
track: Nocturnes, Op. 32: No. 2 in A-Flat Major
track: Nocturne in C-Sharp Minor, B. 49: Lento con gran espressione
track: Nocturne in C Minor, B. 108

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CopyrightChainExplorerURL
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OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
type: PropertyValue
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OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200816

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fdd4845d26405b9b86629b9c5743c5e6c7ab352938f8f753d9b8edf248ade73. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200816.
date published: 2026-07-02T03:55:08Z

Nocturnes, Op. 9: No. 3 in B Major
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Nocturnes, Op. 15: No. 1 in F Major
type: MusicRecording
duration: PT3M51S
duration ms: 231653
explicit: false
by artist: Frédéric Chopin
by artist: Arthur Rubinstein
in album: Chopin Nocturnes
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  date published: 2016-11-08
popularity: 9
genre: classical
genre: early-romantic-era
genre: polish-classical
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200817
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d39fec100ca904257aac5de22803d9cf6bf4b627ddcaa4c3f0f31239479fc24. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200817.
  date published: 2026-07-02T11:38:34Z
audio: Nocturnes, Op. 15: No. 1 in F Major
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Nocturnes, Op. 15: No. 2 in F-Sharp Major
type: MusicRecording
duration: PT4M4S
duration ms: 244106
explicit: false
by artist: Frédéric Chopin
by artist: Arthur Rubinstein
in album: Chopin Nocturnes
  type: MusicAlbum
  date published: 2016-11-08
popularity: 9
genre: classical
genre: early-romantic-era
genre: polish-classical
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additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200818
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bbc6331408198547536f432eae197ddd9c9dddcaea8f71d8692617567be49cd. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200818.
  date published: 2026-07-02T03:55:08Z
audio: Nocturnes, Op. 15: No. 2 in F-Sharp Major
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Nocturnes, Op. 15: No. 3 in G Minor
type: MusicRecording
duration: PT4M14S
duration ms: 254906
explicit: false
by artist: Frédéric Chopin
by artist: Arthur Rubinstein
in album: Chopin Nocturnes
  type: MusicAlbum
  date published: 2016-11-08
popularity: 9
genre: classical
genre: early-romantic-era
genre: polish-classical
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additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200819
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x151bc12b85a3d0a889d944412a2f223e1c4b6722f56ba6e63877f8b980126b59. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200819.
  date published: 2026-07-02T11:38:34Z
audio: Nocturnes, Op. 15: No. 3 in G Minor
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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Nocturnes, Op. 27: No. 1 in C-Sharp Minor
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duration: PT4M52S
duration ms: 292040
explicit: false
by artist: Frédéric Chopin
by artist: Arthur Rubinstein
in album: Chopin Nocturnes
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  date published: 2016-11-08
popularity: 9
genre: classical
genre: early-romantic-era
genre: polish-classical
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28a7420d016e153e2a187579710de2c008f434d2a2bf02a98d0ac73de402f8f2. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200820.
  date published: 2026-07-02T11:38:34Z
audio: Nocturnes, Op. 27: No. 1 in C-Sharp Minor
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Nocturnes, Op. 32: No. 2 in A-Flat Major
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duration: PT4M54S
duration ms: 294986
explicit: false
by artist: Frédéric Chopin
by artist: Arthur Rubinstein
in album: Chopin Nocturnes
  type: MusicAlbum
  date published: 2016-11-08
popularity: 8
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: GBAYC9200823
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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Close Connections
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24 Preludes, Op. 28: No. 5 in D Major. Molto allegro
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24 Preludes, Op. 28: No. 8 in F-Sharp Minor. Molto agitato
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24 Preludes, Op. 28: No. 15 in D-Flat Major "Raindrop Prelude"
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24 Preludes, Op. 28: No. 24 in D Minor. Allegro appassionato
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Impromptu No. 1 in A-Flat Major, Op. 29
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Chopin: Great Polonaises; Andante spianato
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Chopin: Complete Études
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OpenTimestamps Proof of Existence
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12 Etudes, Op. 10: No. 6 in E-Flat Minor "Lament"
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  date published: 2026-07-08T03:53:27Z
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12 Etudes, Op. 10: No. 11 in E-Flat Major "Arpeggio"
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12 Etudes, Op. 25: No. 4 in A Minor "Paganini"
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12 Etudes, Op. 25: No. 6 in G-Sharp Minor "Thirds"
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  date published: 2026-07-08T03:53:27Z
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12 Etudes, Op. 25: No. 8 in D-Flat Major "Sixths"
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12 Etudes, Op. 25: No. 10 in B Minor "Octave"
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12 Etudes, Op. 25: No. 12 in C Minor "Ocean"
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3 Nouvelles études, KKIIb/3: No. 2 in D-Flat Major
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subject of: OpenTimestamps Proof of Existence
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3 Nouvelles études, KKIIb/3: No. 3 in A-Flat Major
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
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Chopin: Complete Waltzes
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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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track: Waltz No. 5 in A-Flat Major, Op. 42
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    date published: 2026-07-08T03:22:41Z
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  subject of: OpenTimestamps Proof of Existence
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track: Waltz No. 9 in A-Flat Major, Op. 69 No. 1 "Farewell"
track: Waltz No. 16 in A-Flat Major, KK IVa/13
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2
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Waltz No. 9 in A-Flat Major, Op. 69 No. 1 "Farewell"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
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Waltz No. 16 in A-Flat Major, KK IVa/13
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY0836022
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6f869bf715e1b4ad09a380c3eba0e893007703edbc6d7da9655ce4489313c62. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY0836022.
  date published: 2026-07-08T03:22:41Z
audio: 3 Ecossaises, Op. 72 No. 3: No. 1 in D Major
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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3 Ecossaises, Op. 72 No. 3: No. 2 in G Major
type: MusicRecording
duration: PT0M38S
duration ms: 38866
explicit: false
by artist: Frédéric Chopin
by artist: Garrick Ohlsson
in album: Chopin: Complete Waltzes
  type: MusicAlbum
  date published: 2010-01-01
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: GBAJY0836023
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY0836023
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68867dc4b6d79063311329d39c64abff05cc149ac776540947bbe1daff13cd1f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY0836023.
  date published: 2026-07-08T03:53:27Z
audio: 3 Ecossaises, Op. 72 No. 3: No. 2 in G Major
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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3 Ecossaises, Op. 72 No. 3: No. 3 in D-Flat Major
type: MusicRecording
duration: PT0M42S
duration ms: 42000
explicit: false
by artist: Frédéric Chopin
by artist: Garrick Ohlsson
in album: Chopin: Complete Waltzes
  type: MusicAlbum
  date published: 2010-01-01
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: GBAJY0836024
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY0836024
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2af66b3e39019ae20b936d915285bb3e88d88b9cedbb8944d833359c4d2b8646. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY0836024.
  date published: 2026-07-02T03:55:08Z
audio: 3 Ecossaises, Op. 72 No. 3: No. 3 in D-Flat Major
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Chopin: Complete Mazurkas, Vol. 2
type: MusicAlbum
date published: 2010-01-01

Chopin: Complete Mazurkas, Vol. 1
type: MusicAlbum
date published: 2010-01-01
track: Mazurka No. 3 in E Major, Op. 6 No. 3
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  by artist: Frédéric Chopin
  by artist: Garrick Ohlsson
  in album: Chopin: Complete Mazurkas, Vol. 1
    type: MusicAlbum
    date published: 2010-01-01
  genre: classical
  genre: early-romantic-era
  genre: polish-classical
  isrc code: GBAJY0836103
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x6bc4f19a3c91fca31267c07fe73ac52ddd4d2f7c208217e51d09369c4c5889d4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY0836103
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bc4f19a3c91fca31267c07fe73ac52ddd4d2f7c208217e51d09369c4c5889d4. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY0836103.
    date published: 2026-07-08T03:20:19Z
  audio: Mazurka No. 3 in E Major, Op. 6 No. 3
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Mazurka No. 8 in A-Flat Major, Op. 7 No. 4
  type: MusicRecording
  duration: PT1M9S
  duration ms: 69946
  explicit: false
  by artist: Frédéric Chopin
  by artist: Garrick Ohlsson
  in album: Chopin: Complete Mazurkas, Vol. 1
    type: MusicAlbum
    date published: 2010-01-01
  genre: classical
  genre: early-romantic-era
  genre: polish-classical
  isrc code: GBAJY0836108
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY0836108
  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b5c0be3528087e36ae5adc0edb984602b5d87451a74de767e70ef8091e525d7. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY0836108.
    date published: 2026-07-08T03:53:27Z
  audio: Mazurka No. 8 in A-Flat Major, Op. 7 No. 4
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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track: Mazurka No. 9 in C Major, Op. 7 No. 5
  type: MusicRecording
  duration: PT0M37S
  duration ms: 37066
  explicit: false
  by artist: Frédéric Chopin
  by artist: Garrick Ohlsson
  in album: Chopin: Complete Mazurkas, Vol. 1
    type: MusicAlbum
    date published: 2010-01-01
  genre: classical
  genre: early-romantic-era
  genre: polish-classical
  isrc code: GBAJY0836109
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
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track: Mazurka No. 10 in B-Flat Major, Op. 17 No. 1
track: Mazurka No. 11 in E Minor, Op. 17 No. 2
track: Mazurka No. 12 in A-Flat Major, Op. 17 No. 3
track: Mazurka No. 17 in B-Flat Minor, Op. 24 No. 4

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x54120fb09c6ca630b73321fc82c91186eac142f75f242f3d47d28d5fb63050ea

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 957145

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957145

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY0836109

OTSTimestamp
type: PropertyValue
value: 2026-07-08T08:56:20Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54120fb09c6ca630b73321fc82c91186eac142f75f242f3d47d28d5fb63050ea. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY0836109.
date published: 2026-07-08T08:56:20Z

Mazurka No. 9 in C Major, Op. 7 No. 5
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
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additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
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  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.499
additional property: Energy
  type: PropertyValue
  value: 0.174
additional property: Speechiness
  type: PropertyValue
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additional property: Acousticness
  type: PropertyValue
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additional property: Instrumentalness
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additional property: Liveness
  type: PropertyValue
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
  type: PropertyValue
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Mazurka No. 10 in B-Flat Major, Op. 17 No. 1
type: MusicRecording
duration: PT2M14S
duration ms: 134413
explicit: false
by artist: Frédéric Chopin
by artist: Garrick Ohlsson
in album: Chopin: Complete Mazurkas, Vol. 1
  type: MusicAlbum
  date published: 2010-01-01
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: GBAJY0836110
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcb7ef59feffdc6e7f42e4af706c86f8cb7952192fe64f35268169b99d7e8a5f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY0836110.
  date published: 2026-07-08T03:53:27Z
audio: Mazurka No. 10 in B-Flat Major, Op. 17 No. 1
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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Wigmore Hall Live - Ewa Podles & Garrick Ohlsson
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0576c776e8624a2e89aad36261b2f4d9a420afd39849793a1389c49b538f68a3. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCRS0998707.
  date published: 2026-07-07T16:07:00Z
audio: 12 Études, Op. 8: No. 6 in A Major
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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12 Études, Op. 8: No. 8 in A-Flat Major
type: MusicRecording
duration: PT3M48S
duration ms: 228973
explicit: false
by artist: Alexander Scriabin
by artist: Garrick Ohlsson
in album: Scriabin: Complete Etudes
  type: MusicAlbum
  date published: 2009-01-15
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: contemporary-classical
genre: impressionism
genre: russian-romanticism
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCRS0998709
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b0f582e05578f7f4fea9594d72693e1dec33340af33399b21994c41e79f8709. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCRS0998709.
  date published: 2026-07-08T03:20:19Z
audio: 12 Études, Op. 8: No. 8 in A-Flat Major
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8 Etudes, Op. 42: No. 3 in F-Sharp Major
type: MusicRecording
duration: PT0M57S
duration ms: 57426
explicit: false
by artist: Alexander Scriabin
by artist: Garrick Ohlsson
in album: Scriabin: Complete Etudes
  type: MusicAlbum
  date published: 2009-01-15
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: contemporary-classical
genre: impressionism
genre: russian-romanticism
isrc code: USCRS0998716
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCRS0998716
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63d7b4cf92fa33fd5058962970642a9eef11afb753ed2a8f49eb55be6544e44e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCRS0998716.
  date published: 2026-07-08T03:22:41Z
audio: 8 Etudes, Op. 42: No. 3 in F-Sharp Major
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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8 Etudes, Op. 42: No. 4 in F-Sharp Major
type: MusicRecording
duration: PT3M8S
duration ms: 188760
explicit: false
by artist: Alexander Scriabin
by artist: Garrick Ohlsson
in album: Scriabin: Complete Etudes
  type: MusicAlbum
  date published: 2009-01-15
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: contemporary-classical
genre: impressionism
genre: russian-romanticism
isrc code: USCRS0998717
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCRS0998717
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x893a26357a44c97b2c696341f8a9eef0fa67c7a714f0dc28be54bf10beb222de. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCRS0998717.
  date published: 2026-07-08T03:22:41Z
audio: 8 Etudes, Op. 42: No. 4 in F-Sharp Major
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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8 Etudes, Op. 42: No. 6 in D-Flat Major
type: MusicRecording
duration: PT2M11S
duration ms: 131640
explicit: false
by artist: Alexander Scriabin
by artist: Garrick Ohlsson
in album: Scriabin: Complete Etudes
  type: MusicAlbum
  date published: 2009-01-15
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: contemporary-classical
genre: impressionism
genre: russian-romanticism
isrc code: USCRS0998719
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCRS0998719
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5a79ca9d2cc0c1aae6ad0d344cb5bee3b0cb4f8a57046961efb26c5c87049c8. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCRS0998719.
  date published: 2026-07-08T03:53:27Z
audio: 8 Etudes, Op. 42: No. 6 in D-Flat Major
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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8 Etudes, Op. 42: No. 8 in E-Flat Major
type: MusicRecording
duration: PT2M0S
duration ms: 120933
explicit: false
by artist: Alexander Scriabin
by artist: Garrick Ohlsson
in album: Scriabin: Complete Etudes
  type: MusicAlbum
  date published: 2009-01-15
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: contemporary-classical
genre: impressionism
genre: russian-romanticism
isrc code: USCRS0998721
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x735a9fe0b49910c10bf5a0ea627d0c8d70a3594d67ed729df161fde111ed90b1. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCRS0998721.
  date published: 2026-07-08T03:22:41Z
audio: 8 Etudes, Op. 42: No. 8 in E-Flat Major
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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3 Pieces, Op. 49: No. 1 in E-Flat Major
type: MusicRecording
duration: PT0M57S
duration ms: 57106
explicit: false
by artist: Alexander Scriabin
by artist: Garrick Ohlsson
in album: Scriabin: Complete Etudes
  type: MusicAlbum
  date published: 2009-01-15
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: contemporary-classical
genre: impressionism
genre: russian-romanticism
isrc code: USCRS0998722
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcda4f7b79d12e2ec8ff51900550f6fc365028e431fa78a1352481b03e3370a3c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCRS0998722.
  date published: 2026-07-08T03:53:27Z
audio: 3 Pieces, Op. 49: No. 1 in E-Flat Major
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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3 Etudes, Op. 65: No. 2, Allegretto
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duration: PT2M4S
duration ms: 124613
explicit: false
by artist: Alexander Scriabin
by artist: Garrick Ohlsson
in album: Scriabin: Complete Etudes
  type: MusicAlbum
  date published: 2009-01-15
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: contemporary-classical
genre: impressionism
genre: russian-romanticism
isrc code: USCRS0998725
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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Beethoven: Piano Sonatas, Vol. 6
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Beethoven: Piano Sonatas, Vol. 8
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Beethoven: Piano Sonatas, Vol. 5
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Preludes, Op. 28: No. 15 in D-Flat Major "Raindrop" (Sostenuto)
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subject of: OpenTimestamps Proof of Existence
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Nocturnes, Op. 9: No. 2 in E-Flat Major
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subject of: OpenTimestamps Proof of Existence
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Preludes, Op. 28: No. 4 in E Minor (Largo)
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subject of: OpenTimestamps Proof of Existence
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Nocturnes, Op. 9: No. 2 in E-Flat Major
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Nocturnes, Op. 9: No. 3 in B Major
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Preludes, Op. 28: No. 15 in D-Flat Major "Raindrop" (Sostenuto)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Preludes, Op. 28: No. 15 in D-Flat Major "Raindrop" (Sostenuto)
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2 Poèmes, Op. 63: No. 1, Masque. Allegretto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
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Nocturnes, Op. 62: No. 1 in B Major (Andante)
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by artist: Garrick Ohlsson
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T16:07:00Z
audio: Nocturnes, Op. 62: No. 1 in B Major (Andante)
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Nocturnes, Op. 27: No. 1 in C-Sharp Minor
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by artist: Garrick Ohlsson
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Nocturnes, Op. 27: No. 1 in C-Sharp Minor
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Preludes, Op. 28: No. 3 in G Major (Vivace)
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by artist: Garrick Ohlsson
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Preludes, Op. 28: No. 3 in G Major (Vivace)
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