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genre: classical
genre: classical piano
description: Yuja Wang (; born February 10, 1987) is a Chinese-born American pianist. She began learning piano at the age of six, and went on to study at the Central Conservatory of Music in Beijing and the Curtis
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  track: Piano Concerto No. 1 in F-Sharp Minor, Op. 1 (1917 Final Version): I. Vivace - Moderato
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  track: Piano Concerto No. 1 in F-Sharp Minor, Op. 1 (1917 Final Version): III. Allegro vivace
  track: Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): I. Allegro vivace
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  track: Piano Concerto No. 3 in D Minor, Op. 30: I. Allegro ma non tanto
  track: Piano Concerto No. 3 in D Minor, Op. 30: II. Intermezzo. Adagio
  track: Piano Concerto No. 3 in D Minor, Op. 30: III. Finale. Alla breve
album: John Adams: Must the Devil Have All the Good Tunes?
album: Rachmaninoff: Piano Concerto No. 3 in D Minor, Op. 30 / Prokofiev: Piano Concerto No. 2 in G Minor, Op. 16 (Live)
album: The Vienna Recital
album: Ravel
album: Yuja Wang - The Verbier Festival Debut Recital 2008 (Live)
album: The American Project
album: The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
album: Rachmaninoff & Brahms
album: Yuja Wang Plays Mendelssohn (Live)
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album: Blue Hour: Mendelssohn Edition
album: Rachmaninov: Cello Sonata in G Minor, Op. 19 (Live from Verbier Festival / 2008)
album: The Peace Concert Versailles (Live at Versailles / 2018)
album: Blue Hour – Weber, Brahms, Mendelssohn
album: The Berlin Recital (Live at Philharmonie, Berlin / 2018)
album: Brahms: The Violin Sonatas
album: Summer In February
album: Fantasia
album: Rachmaninov
album: transformation
album: Sonatas & Etudes
album: Kapustin: 24 Jazz Preludes, Op. 53: No. 10
album: Glass: Études: No. 6
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album: Rachmaninoff: Rhapsody on a Theme of Paganini, Op. 43: Var. 24. A tempo un poco meno mosso
album: Rachmaninoff: Piano Concerto No. 1 in F-Sharp Minor, Op. 1 (1917 Final Version): III. Allegro vivace
album: Mendelssohn: A Midsummer Night's Dream, Op. 61, MWV M 13: I. Scherzo (Arr. Rachmaninoff for Piano) [Live]
album: Rachmaninoff: Rhapsody on a Theme of Paganini, Op. 43: Var. 18. Andante cantabile
album: Tilson Thomas: You Come Here Often?
album: Brahms: Clarinet Trio in A Minor, Op. 114: I. Allegro
album: Brahms: Cello Sonata No. 1 in E Minor, Op. 38: I. Allegro non troppo
album: Márquez: Danzón No. 2 (Transcr. Gómez-Tagle for Piano) [Musical Moments]
album: Mendelssohn: Piano Sextet in D Major, Op. 110, MWV Q16: IV. Allegro vivace (Live)
album: Rachmaninov: Cello Sonata in G Minor, Op. 19: III. Andante (Live from Verbier Festival / 2008)
album: Rachmaninov: 14 Romances, Op. 34: No. 14 Vocalise (Arr. Kocsis for Piano) [Musical Moments]
album: Adams: China Gates
album: Adams: Must the Devil Have All the Good Tunes?: III. Piú mosso: Obsession / Swing
album: Messiaen: Turangalîla-Symphonie
album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
album: Shostakovich: The Piano Concertos; Solo Works

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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:53:06Z
audio: Piano Concerto No. 1 in F-Sharp Minor, Op. 1 (1917 Final Version): III. Allegro vivace
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Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): I. Allegro vivace
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by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:53:06Z
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Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): II. Largo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
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Piano Concerto No. 4 in G Minor, Op. 40 (1941 3rd Version): III. Allegro vivace
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by artist: Los Angeles Philharmonic
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
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Piano Concerto No. 3 in D Minor, Op. 30: I. Allegro ma non tanto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:53:06Z
audio: Piano Concerto No. 3 in D Minor, Op. 30: I. Allegro ma non tanto
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Piano Concerto No. 3 in D Minor, Op. 30: II. Intermezzo. Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:53:06Z
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Piano Concerto No. 3 in D Minor, Op. 30: III. Finale. Alla breve
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:53:06Z
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    date published: 2026-07-02T03:55:08Z
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track: China Gates

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China Gates
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subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T12:53:06Z
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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value: https://blockstream.info/api/block-height/954130

OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961302333

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 0x5ed872c5958acaad4ef65b879d0344e9cde0ab8700afd09b08d49ce1f0fc71ce. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/DEN961302333.
date published: 2026-06-17T19:07:14Z

Piano Concerto No. 3 in D Minor, Op. 30: III. Finale (Alla breve) - Live
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additional property: Tempo (BPM)
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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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Piano Concerto No. 2 in G Minor, Op. 16: I. Andantino - Live
type: MusicRecording
duration: PT11M1S
duration ms: 661800
explicit: false
by artist: Sergei Prokofiev
by artist: Yuja Wang
by artist: Simón Bolívar Symphony Orchestra Of Venezuela
by artist: Gustavo Dudamel
in album: Rachmaninoff: Piano Concerto No. 3 in D Minor, Op. 30 / Prokofiev: Piano Concerto No. 2 in G Minor, Op. 16 (Live)
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  date published: 2013-01-01
genre: classical
genre: orchestra
genre: neoclassical
isrc code: DEN961302341
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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
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  date published: 2026-06-13T13:32:09Z
audio: Piano Concerto No. 2 in G Minor, Op. 16: I. Andantino - Live
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Piano Concerto No. 2 in G Minor, Op. 16: II. Scherzo (Vivace) - Live
type: MusicRecording
duration: PT2M21S
duration ms: 141666
explicit: false
by artist: Sergei Prokofiev
by artist: Yuja Wang
by artist: Simón Bolívar Symphony Orchestra Of Venezuela
by artist: Gustavo Dudamel
in album: Rachmaninoff: Piano Concerto No. 3 in D Minor, Op. 30 / Prokofiev: Piano Concerto No. 2 in G Minor, Op. 16 (Live)
  type: MusicAlbum
  date published: 2013-01-01
genre: classical
genre: orchestra
genre: neoclassical
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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
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  date published: 2026-07-02T03:55:08Z
audio: Piano Concerto No. 2 in G Minor, Op. 16: II. Scherzo (Vivace) - Live
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Piano Concerto No. 2 in G Minor, Op. 16: III. Intermezzo (Allegro moderato) - Live
type: MusicRecording
duration: PT6M34S
duration ms: 394866
explicit: false
by artist: Sergei Prokofiev
by artist: Yuja Wang
by artist: Simón Bolívar Symphony Orchestra Of Venezuela
by artist: Gustavo Dudamel
in album: Rachmaninoff: Piano Concerto No. 3 in D Minor, Op. 30 / Prokofiev: Piano Concerto No. 2 in G Minor, Op. 16 (Live)
  type: MusicAlbum
  date published: 2013-01-01
genre: classical
genre: orchestra
genre: neoclassical
isrc code: DEN961302343
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
  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
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  date published: 2026-07-02T03:55:08Z
audio: Piano Concerto No. 2 in G Minor, Op. 16: III. Intermezzo (Allegro moderato) - Live
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Piano Concerto No. 2 in G Minor, Op. 16: IV. Finale (Allegro tempestoso) - Live
type: MusicRecording
duration: PT11M0S
duration ms: 660053
explicit: false
by artist: Sergei Prokofiev
by artist: Yuja Wang
by artist: Simón Bolívar Symphony Orchestra Of Venezuela
by artist: Gustavo Dudamel
in album: Rachmaninoff: Piano Concerto No. 3 in D Minor, Op. 30 / Prokofiev: Piano Concerto No. 2 in G Minor, Op. 16 (Live)
  type: MusicAlbum
  date published: 2013-01-01
genre: classical
genre: orchestra
genre: neoclassical
isrc code: DEN961302344
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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
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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
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  date published: 2026-07-02T03:55:08Z
audio: Piano Concerto No. 2 in G Minor, Op. 16: IV. Finale (Allegro tempestoso) - Live
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The Vienna Recital
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date published: 2024-05-03
track: Iberia, T. 105 / Book 4: No. 10, Málaga
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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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8d8a15f10e469895e33742aa7e633895a32bff170dcf2bb4bf282ab186a586f. 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/DEN962300181.
    date published: 2026-07-02T03:30:09Z
  audio: Iberia, T. 105 / Book 4: No. 10, Málaga
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    additional property: Time Signature
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track: Piano Sonata No. 3 in F-Sharp Minor, Op. 23: I. Drammatico
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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track: Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 "The Hunt": I. Allegro
track: Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 "The Hunt": II. Scherzo. Allegretto vivace
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track: Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 "The Hunt": IV. Presto con fuoco
track: Études, Book 2: No. 6, Automne à Varsovie
track: Études, Book 2: No. 13, L'escalier du diable
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Piano Sonata No. 3 in F-Sharp Minor, Op. 23: II. Allegretto
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Piano Sonata No. 3 in F-Sharp Minor, Op. 23: IV. Presto con fuoco
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24 Jazz Preludes, Op. 53: No. 11
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24 Jazz Preludes, Op. 53: No. 10
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Iberia, T. 105 / Book 3: No. 9, Lavapiés
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Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 "The Hunt": I. Allegro
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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 Sonata No. 18 in E-Flat Major, Op. 31 No. 3 "The Hunt": II. Scherzo. Allegretto vivace
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 "The Hunt": III. Minuet. Moderato e grazioso - Trio
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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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Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 "The Hunt": IV. Presto con fuoco
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Piano Sonata No. 18 in E-Flat Major, Op. 31 No. 3 "The Hunt": IV. Presto con fuoco
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Études, Book 2: No. 6, Automne à Varsovie
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Études, Book 2: No. 6, Automne à Varsovie
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Études, Book 2: No. 13, L'escalier du diable
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Études, Book 2: No. 13, L'escalier du diable
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Danzón No. 2 (Transcr. Gómez-Tagle for Piano)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Danzón No. 2 (Transcr. Gómez-Tagle for Piano)
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track: Piano Concerto in G Major, M. 83: III. Presto
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track: Ballade in F sharp, Op. 19
track: Piano Concerto for the Left Hand, M. 82: I. Lento
track: Piano Concerto for the Left Hand, M. 82: II. Allegro
track: Piano Concerto for the Left Hand, M. 82: III. Tempo I

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Piano Concerto in G Major, M. 83: III. Presto
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Ballade in F sharp, Op. 19
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Piano Concerto for the Left Hand, M. 82: I. Lento
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7531a6c1e3cb68c15a68036680e8e4973ed9f5ddc821d10c7b27b4277cd8210f. 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/DEN961500881.
  date published: 2026-07-02T03:30:09Z
audio: Piano Concerto for the Left Hand, M. 82: I. Lento
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Piano Concerto for the Left Hand, M. 82: II. Allegro
type: MusicRecording
duration: PT4M51S
duration ms: 291253
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by artist: Maurice Ravel
by artist: Yuja Wang
by artist: Tonhalle-Orchester Zürich
by artist: Lionel Bringuier
in album: Ravel
  type: MusicAlbum
  date published: 2015-10-09
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
isrc code: DEN961500882
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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: 2026-07-02T03:55:08Z
audio: Piano Concerto for the Left Hand, M. 82: II. Allegro
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Piano Concerto for the Left Hand, M. 82: III. Tempo I
type: MusicRecording
duration: PT4M56S
duration ms: 296146
explicit: false
by artist: Maurice Ravel
by artist: Yuja Wang
by artist: Tonhalle-Orchester Zürich
by artist: Lionel Bringuier
in album: Ravel
  type: MusicAlbum
  date published: 2015-10-09
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-02T03:55:08Z
audio: Piano Concerto for the Left Hand, M. 82: III. Tempo I
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Yuja Wang - The Verbier Festival Debut Recital 2008 (Live)
type: MusicAlbum
date published: 2023-06-16
track: 14 Romances, Op. 34: No. 14, Vocalise (Arr. Kocsis for Piano) - Live
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  by artist: Yuja Wang
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-02T03:30:09Z
  audio: 14 Romances, Op. 34: No. 14, Vocalise (Arr. Kocsis for Piano) - Live
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track: The Tale of Tsar Saltan: Flight of the Bumblebee (Arr. Rachmaninoff for Piano) - Live
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  by artist: Yuja Wang
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  genre: classical
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  genre: avant-garde
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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: 2026-07-02T03:30:09Z
  audio: The Tale of Tsar Saltan: Flight of the Bumblebee (Arr. Rachmaninoff for Piano) - Live
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The American Project
type: MusicAlbum
date published: 2023-03-10
track: You Come Here Often?
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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: 2026-07-02T03:55:08Z
  audio: You Come Here Often?
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track: Piano Concerto: I. Overture. Swing
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
  audio: Piano Concerto: I. Overture. Swing
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track: Piano Concerto: II. Cadenza I
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  audio: Piano Concerto: II. Cadenza I
track: Piano Concerto: III. Exposition
track: Piano Concerto: IV. Orchestra Break
track: Piano Concerto: V. Exploration
track: Piano Concerto: VI. Cadenza II
track: Piano Concerto: VII. Relaxed
track: Piano Concerto: VIII. Solos
track: Piano Concerto: IX. Cadenza III
track: Piano Concerto: XI. Cadenza IV & Coda

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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-02T03:55:08Z

Piano Concerto: II. Cadenza I
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Piano Concerto: III. Exposition
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by artist: Yuja Wang
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Piano Concerto: III. Exposition
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Piano Concerto: IV. Orchestra Break
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by artist: Louisville Orchestra
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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: 2026-07-21T16:51:58Z
audio: Piano Concerto: IV. Orchestra Break
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Piano Concerto: V. Exploration
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by artist: Yuja Wang
by artist: Louisville Orchestra
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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: 2026-07-02T03:55:08Z
audio: Piano Concerto: V. Exploration
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Piano Concerto: VI. Cadenza II
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by artist: Yuja Wang
by artist: Louisville Orchestra
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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: 2026-07-22T19:31:06Z
audio: Piano Concerto: VI. Cadenza II
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Piano Concerto: VII. Relaxed
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by artist: Yuja Wang
by artist: Louisville Orchestra
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additional property: CopyrightID
additional property: CopyrightStatus
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T07:04:03Z
audio: Piano Concerto: VII. Relaxed
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Piano Concerto: VIII. Solos
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by artist: Teddy Abrams
by artist: Yuja Wang
by artist: Louisville Orchestra
in album: The American Project
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isrc code: DEN962237208
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: 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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T12:33:25Z
audio: Piano Concerto: VIII. Solos
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The Verbier Festival Celebrates Rodion Shchedrin At Ninety (Live)
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    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 0x562d6105929074cae56d1011a3552d13e08952e34431fcb06ce97b4dd7718dcc. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEN962101863.
    date published: 2026-06-13T12:53:06Z
  audio: Cello Sonata in G Minor, Op. 19: III. Andante
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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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Blue Hour: Mendelssohn Edition
type: MusicAlbum
date published: 2021-06-18
track: Lieder ohne Worte I, Op. 19b: VI. Andante sostenuto "Venetian Gondola Song", MWV U78 (Arr. Ottensamer for Clarinet & Strings)
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  duration ms: 110640
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Andreas Ottensamer
  by artist: Schumann Quartett
  by artist: Gunars Upatnieks
  in album: Blue Hour: Mendelssohn Edition
    type: MusicAlbum
    date published: 2021-06-18
  genre: classical
  genre: early-romantic-era
  genre: german-romanticism
  isrc code: DEN962004660
  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953513
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962004660
  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x014d3183c7c2cd21182479429349ae34e137d578ae607328ea989a7aae0b7a97. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962004660.
    date published: 2026-06-13T12:47:07Z
  audio: Lieder ohne Worte I, Op. 19b: VI. Andante sostenuto "Venetian Gondola Song", MWV U78 (Arr. Ottensamer for Clarinet & Strings)
    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: Valence (Positivity)
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track: Lieder ohne Worte VIII, Op. 102: III. Presto, MWV U195 "Tarantelle" (Arr. Ottensamer for Clarinet & Strings)
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  duration: PT1M18S
  duration ms: 78400
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Andreas Ottensamer
  by artist: Schumann Quartett
  by artist: Gunars Upatnieks
  in album: Blue Hour: Mendelssohn Edition
    type: MusicAlbum
    date published: 2021-06-18
  genre: classical
  genre: early-romantic-era
  genre: german-romanticism
  isrc code: DEN962004670
  additional property: CopyrightID
  additional property: CopyrightStatus
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  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/DEN962004670
  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 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 0xdf6bf1ec45d811004449aa1d933e8f9b5472e11bd59e85562e591396df6ee5a6. 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/DEN962004670.
    date published: 2026-07-02T03:55:08Z
  audio: Lieder ohne Worte VIII, Op. 102: III. Presto, MWV U195 "Tarantelle" (Arr. Ottensamer for Clarinet & Strings)
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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: Speechiness
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    additional property: Acousticness
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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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track: Lieder ohne Worte V, Op. 62: VI. Allegretto grazioso, MWV U161 "Spring Song" (Arr. Ottensamer for Clarinet & Strings)
  type: MusicRecording
  duration: PT1M56S
  duration ms: 116773
  explicit: false
  by artist: Felix Mendelssohn
  by artist: Andreas Ottensamer
  by artist: Schumann Quartett
  by artist: Gunars Upatnieks
  in album: Blue Hour: Mendelssohn Edition
    type: MusicAlbum
    date published: 2021-06-18
  genre: classical
  genre: early-romantic-era
  genre: german-romanticism
  isrc code: DEN962004680
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Lieder ohne Worte V, Op. 62: VI. Allegretto grazioso, MWV U161 "Spring Song" (Arr. Ottensamer for Clarinet & Strings)
track: Lieder ohne Worte II, Op. 30: IV. Agitato e con fuoco, MWV U98 (Arr. Ottensamer for Clarinet & Strings)
track: Lieder ohne Worte VIII, Op. 102: IV. Andante (Arr. Ottensamer for Clarinet & Strings)
track: Lieder ohne Worte VII, Op. 85: II. Allegro agitato (Arr. Ottensamer for Clarinet & Strings)
track: Lieder ohne Worte IV, Op. 53: V. Volkslied. Allegro con fuoco, MWV U153 (Arr. Ottensamer for Clarinet & Strings)
track: Lieder ohne Worte VI, Op. 67: V. Moderato, MWV U184 "The Shepherd's Complaint" (Arr. Ottensamer for Clarinet & Strings)
track: Lieder ohne Worte VII, Op. 85: VI. Allegretto con moto. MWV U155 (Arr. Ottensamer for Clarinet & Piano)

CopyrightStatus
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CopyrightRegisteredAt
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CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x44e9ccaf816d5e54dc7489c38cad682766b60815bfcb871e2df65fc514113508

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 953515

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/953515

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962004680

OTSTimestamp
type: PropertyValue
value: 2026-06-13T12:53:06Z

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 0x44e9ccaf816d5e54dc7489c38cad682766b60815bfcb871e2df65fc514113508. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEN962004680.
date published: 2026-06-13T12:53:06Z

Lieder ohne Worte V, Op. 62: VI. Allegretto grazioso, MWV U161 "Spring Song" (Arr. Ottensamer for Clarinet & Strings)
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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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additional property: Key Name
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additional property: Mode Name
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Lieder ohne Worte II, Op. 30: IV. Agitato e con fuoco, MWV U98 (Arr. Ottensamer for Clarinet & Strings)
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duration: PT2M19S
duration ms: 139346
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Schumann Quartett
by artist: Gunars Upatnieks
in album: Blue Hour: Mendelssohn Edition
  type: MusicAlbum
  date published: 2021-06-18
genre: classical
genre: early-romantic-era
genre: german-romanticism
isrc code: DEN962004690
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/DEN962004690
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe57ddfd237b9f3234a01520b30e1dbf8f34ead7cf92fabaf091b8763a64a1e44. 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/DEN962004690.
  date published: 2026-07-02T03:55:08Z
audio: Lieder ohne Worte II, Op. 30: IV. Agitato e con fuoco, MWV U98 (Arr. Ottensamer for Clarinet & Strings)
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Lieder ohne Worte VIII, Op. 102: IV. Andante (Arr. Ottensamer for Clarinet & Strings)
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duration: PT2M46S
duration ms: 166133
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Schumann Quartett
by artist: Gunars Upatnieks
in album: Blue Hour: Mendelssohn Edition
  type: MusicAlbum
  date published: 2021-06-18
genre: classical
genre: early-romantic-era
genre: german-romanticism
isrc code: DEN962004700
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
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9332378ce1dee68ea7233d4d0e6cd20a22c0d3e0e0f51fe39f50fe25572804b. 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/DEN962004700.
  date published: 2026-07-02T03:55:08Z
audio: Lieder ohne Worte VIII, Op. 102: IV. Andante (Arr. Ottensamer for Clarinet & Strings)
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Lieder ohne Worte VII, Op. 85: II. Allegro agitato (Arr. Ottensamer for Clarinet & Strings)
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duration: PT0M53S
duration ms: 53386
explicit: false
by artist: Felix Mendelssohn
by artist: Andreas Ottensamer
by artist: Schumann Quartett
by artist: Gunars Upatnieks
in album: Blue Hour: Mendelssohn Edition
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  date published: 2021-06-18
genre: classical
genre: early-romantic-era
genre: german-romanticism
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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Lieder ohne Worte IV, Op. 53: V. Volkslied. Allegro con fuoco, MWV U153 (Arr. Ottensamer for Clarinet & Strings)
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  date published: 2026-07-02T03:55:08Z
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Lieder ohne Worte VI, Op. 67: V. Moderato, MWV U184 "The Shepherd's Complaint" (Arr. Ottensamer for Clarinet & Strings)
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  date published: 2026-07-22T17:48:40Z
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Lieder ohne Worte VII, Op. 85: VI. Allegretto con moto. MWV U155 (Arr. Ottensamer for Clarinet & Piano)
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Rachmaninov: Cello Sonata in G Minor, Op. 19 (Live from Verbier Festival / 2008)
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The Peace Concert Versailles (Live at Versailles / 2018)
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Blue Hour – Weber, Brahms, Mendelssohn
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track: Clarinet Concerto No. 1 in F Minor, Op. 73: I. Allegro
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  audio: Clarinet Concerto No. 1 in F Minor, Op. 73: II. Adagio ma non troppo
track: Clarinet Concerto No. 1 in F Minor, Op. 73: III. Rondo
track: Lieder ohne Worte VII, Op. 85: VI. Allegretto con moto. MWV U155 (Arr. Ottensamer for Clarinet & Piano)
track: 5 Lieder, Op. 105: No. 1, Wie Melodien zieht es mir (Transcr. for Clarinet & Piano)

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Clarinet Concerto No. 1 in F Minor, Op. 73: II. Adagio ma non troppo
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Clarinet Concerto No. 1 in F Minor, Op. 73: III. Rondo
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Lieder ohne Worte VII, Op. 85: VI. Allegretto con moto. MWV U155 (Arr. Ottensamer for Clarinet & Piano)
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5 Lieder, Op. 105: No. 1, Wie Melodien zieht es mir (Transcr. for Clarinet & Piano)
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The Berlin Recital (Live at Philharmonie, Berlin / 2018)
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track: Études-Tableaux, Op. 39: No. 1 in C Minor - Live at Philharmonie, Berlin, 2018
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track: Piano Sonata No. 8 in B-Flat Major, Op. 84: I. Andante dolce - Live at Philharmonie, Berlin, 2018
track: Piano Sonata No. 8 in B-Flat Major, Op. 84: II. Andante sognando - Live at Philharmonie, Berlin, 2018

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Prelude in B Minor, Op. 32, No. 10 - Live at Philharmonie, Berlin, 2018
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Piano Sonata No. 8 in B-Flat Major, Op. 84: I. Andante dolce - Live at Philharmonie, Berlin, 2018
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track: Violin Sonata No. 1 in G Major, Op. 78: III. Allegro molto moderato
track: Violin Sonata No. 2 in A Major, Op. 100: I. Allegro amabile
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track: Violin Sonata No. 3 in D Minor, Op. 108: I. Allegro
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track: Wiegenlied, Op. 49, No. 4

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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: 2026-07-02T03:55:08Z
audio: Violin Sonata No. 2 in A Major, Op. 100: I. Allegro amabile
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Violin Sonata No. 2 in A Major, Op. 100: II. Andante tranquillo - Vivace - Andante - Vivace di più - Andante vivace
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duration: PT6M4S
duration ms: 364755
explicit: false
by artist: Johannes Brahms
by artist: Leonidas Kavakos
by artist: Yuja Wang
in album: Brahms: The Violin Sonatas
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genre: classical
genre: german-romanticism
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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  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: 2026-07-22T20:28:22Z
audio: Violin Sonata No. 2 in A Major, Op. 100: II. Andante tranquillo - Vivace - Andante - Vivace di più - Andante vivace
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Violin Sonata No. 2 in A Major, Op. 100: III. Allegretto grazioso. Quasi andante
type: MusicRecording
duration: PT5M24S
duration ms: 324395
explicit: false
by artist: Johannes Brahms
by artist: Leonidas Kavakos
by artist: Yuja Wang
in album: Brahms: The Violin Sonatas
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  date published: 2014-01-01
genre: classical
genre: german-romanticism
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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  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: 2026-07-02T03:55:08Z
audio: Violin Sonata No. 2 in A Major, Op. 100: III. Allegretto grazioso. Quasi andante
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Violin Sonata No. 3 in D Minor, Op. 108: I. Allegro
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duration: PT8M12S
duration ms: 492275
explicit: false
by artist: Johannes Brahms
by artist: Leonidas Kavakos
by artist: Yuja Wang
in album: Brahms: The Violin Sonatas
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  date published: 2014-01-01
genre: classical
genre: german-romanticism
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
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-02T03:55:08Z
audio: Violin Sonata No. 3 in D Minor, Op. 108: I. Allegro
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Violin Sonata No. 3 in D Minor, Op. 108: II. Adagio
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duration: PT4M43S
duration ms: 283648
explicit: false
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by artist: Leonidas Kavakos
by artist: Yuja Wang
in album: Brahms: The Violin Sonatas
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genre: classical
genre: german-romanticism
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: 2026-07-02T03:55:08Z
audio: Violin Sonata No. 3 in D Minor, Op. 108: II. Adagio
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Wiegenlied, Op. 49, No. 4
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duration ms: 99244
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by artist: Leonidas Kavakos
by artist: Yuja Wang
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genre: classical
genre: german-romanticism
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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: 2026-06-13T12:47:07Z
audio: Wiegenlied, Op. 49, No. 4
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Summer In February
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date published: 2013-01-01
track: Wallfisch: Lamorma
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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: 2026-06-13T12:47:07Z
  audio: Wallfisch: Lamorma
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track: Wallfisch: The Races
  type: MusicRecording
  duration: PT1M33S
  duration ms: 93706
  explicit: false
  by artist: Yuja Wang
  by artist: Benjamin Wallfisch
  in album: Summer In February
    type: MusicAlbum
    date published: 2013-01-01
  genre: classical
  genre: classical-piano
  genre: impressionism
  isrc code: DEN961230703
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T05:08:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb52b7efe7d68c9ae21cc3c3289b6fa6a4b067fb234075457d3af7e7c51931b3c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961230703
  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 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 0xb52b7efe7d68c9ae21cc3c3289b6fa6a4b067fb234075457d3af7e7c51931b3c. 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/DEN961230703.
    date published: 2026-07-02T03:30:09Z
  audio: Wallfisch: The Races
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 104.487
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.336
    additional property: Energy
      type: PropertyValue
      value: 0.256
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.933
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.883
    additional property: Liveness
      type: PropertyValue
      value: 0.111
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.077
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.531
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Wallfisch: Painting
  type: MusicRecording
  duration: PT4M50S
  duration ms: 290826
  explicit: false
  by artist: Yuja Wang
  by artist: Benjamin Wallfisch
  in album: Summer In February
    type: MusicAlbum
    date published: 2013-01-01
  genre: classical
  genre: classical-piano
  genre: impressionism
  isrc code: DEN961230704
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T23:37:03+00:00
  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: Wallfisch: Painting
track: Wallfisch: Gilbert's Theme
track: Wallfisch: Art And Life
track: Wallfisch: Final Kiss
track: Wallfisch: Siren's Lullaby

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xfff919e4c88ef11f4c68bec063a3333424d75fa3d8d5eed5b0cda9891ec3e21e

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956304

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961230704

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 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 0xfff919e4c88ef11f4c68bec063a3333424d75fa3d8d5eed5b0cda9891ec3e21e. 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/DEN961230704.
date published: 2026-07-02T03:55:08Z

Wallfisch: Painting
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 109.945
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.097
additional property: Energy
  type: PropertyValue
  value: 0.034
additional property: Speechiness
  type: PropertyValue
  value: 0.043
additional property: Acousticness
  type: PropertyValue
  value: 0.977
additional property: Instrumentalness
  type: PropertyValue
  value: 0.803
additional property: Liveness
  type: PropertyValue
  value: 0.094
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.039
additional property: Loudness (dB)
  type: PropertyValue
  value: -28.798
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Wallfisch: Gilbert's Theme
type: MusicRecording
duration: PT1M26S
duration ms: 86826
explicit: false
by artist: Yuja Wang
by artist: Benjamin Wallfisch
in album: Summer In February
  type: MusicAlbum
  date published: 2013-01-01
genre: classical
genre: classical-piano
genre: impressionism
isrc code: DEN961230706
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T08:13:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7d8b9fd4806cfdf2623a964f70f5ab3574d2940a6adc371b63d9e0b0586e4414
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961230706
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 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 0x7d8b9fd4806cfdf2623a964f70f5ab3574d2940a6adc371b63d9e0b0586e4414. 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/DEN961230706.
  date published: 2026-07-02T03:30:09Z
audio: Wallfisch: Gilbert's Theme
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.399
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.22
  additional property: Energy
    type: PropertyValue
    value: 0.109
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.822
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.965
  additional property: Liveness
    type: PropertyValue
    value: 0.218
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.24
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wallfisch: Art And Life
type: MusicRecording
duration: PT2M17S
duration ms: 137973
explicit: false
by artist: Yuja Wang
by artist: Benjamin Wallfisch
in album: Summer In February
  type: MusicAlbum
  date published: 2013-01-01
genre: classical
genre: classical-piano
genre: impressionism
isrc code: DEN961230713
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:38:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6ece0665bbfa580b3225e38a1c321fa40a390dd436712ca8aaea3659042115eb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
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/DEN961230713
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 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 0x6ece0665bbfa580b3225e38a1c321fa40a390dd436712ca8aaea3659042115eb. 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/DEN961230713.
  date published: 2026-07-02T03:55:08Z
audio: Wallfisch: Art And Life
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.307
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.137
  additional property: Energy
    type: PropertyValue
    value: 0.114
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.832
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.032
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.845
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Wallfisch: Final Kiss
type: MusicRecording
duration: PT4M59S
duration ms: 299400
explicit: false
by artist: Yuja Wang
by artist: Benjamin Wallfisch
in album: Summer In February
  type: MusicAlbum
  date published: 2013-01-01
genre: classical
genre: classical-piano
genre: impressionism
isrc code: DEN961230714
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T08:06:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaf220a35cbfc8d9a2a12d0d93d21c34766674b93a1dc117facaee7f6107199e7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961230714
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0xaf220a35cbfc8d9a2a12d0d93d21c34766674b93a1dc117facaee7f6107199e7. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEN961230714.
  date published: 2026-06-13T12:53:06Z
audio: Wallfisch: Final Kiss
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.921
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.144
  additional property: Energy
    type: PropertyValue
    value: 0.081
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.892
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.471
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wallfisch: Siren's Lullaby
type: MusicRecording
duration: PT2M50S
duration ms: 170346
explicit: false
by artist: Yuja Wang
by artist: Benjamin Wallfisch
in album: Summer In February
  type: MusicAlbum
  date published: 2013-01-01
genre: classical
genre: classical-piano
genre: impressionism
isrc code: DEN961230718
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T05:05:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x88d33d9a23d53d9b4c7b1071a59573bce2142d1b08715685caf565e912ceb6d7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961230718
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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 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 0x88d33d9a23d53d9b4c7b1071a59573bce2142d1b08715685caf565e912ceb6d7. 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/DEN961230718.
  date published: 2026-06-13T13:32:09Z
audio: Wallfisch: Siren's Lullaby
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.729
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.238
  additional property: Energy
    type: PropertyValue
    value: 0.102
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.949
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.633
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.357
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Fantasia
type: MusicAlbum
date published: 2012-03-01
track: Etudes-tableaux, Op. 39: No. 6 in A Minor. Allegro
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151280
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Yuja Wang
  in album: Fantasia
    type: MusicAlbum
    date published: 2012-03-01
  genre: classical
  genre: classical-piano
  isrc code: DEN961101720
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T09:04:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xea9c0cdd95aac8d647235e5ba49a875568561f7bc3b0b480ba5b84d4d09088f1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961101720
  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 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 0xea9c0cdd95aac8d647235e5ba49a875568561f7bc3b0b480ba5b84d4d09088f1. 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/DEN961101720.
    date published: 2026-07-02T03:30:09Z
  audio: Etudes-tableaux, Op. 39: No. 6 in A Minor. Allegro
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 167.941
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
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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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  subject of: OpenTimestamps Proof of Existence
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track: Etudes-tableaux, Op. 39: No. 5 in E-Flat Minor. Appassionato
track: Keyboard Sonata in G Major, KK. 455
track: Iberia, T. 105, Book 2: VI. Triana
track: Variations on a Theme from Bizet's Carmen (The Gypsy Song Act II) - White House Version
track: Tritsch-Tratsch Polka, Op. 214 (Arr. Cziffra for Piano)
track: Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2
track: L'apprenti sorcier (Arr. Staub for Piano)
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track: 24 Preludes, Op. 11: No. 12 in G-Sharp Minor. Andante
track: 12 Etudes, Op. 8: No. 9 in G-Sharp Minor. Alla ballata
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-02T03:30:09Z

Morceaux de fantaisie, Op. 3: No. 1, Elégie in E-Flat Minor
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Etudes-tableaux, Op. 39: No. 5 in E-Flat Minor. Appassionato
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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: 2026-07-02T03:30:09Z
audio: Etudes-tableaux, Op. 39: No. 5 in E-Flat Minor. Appassionato
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Keyboard Sonata in G Major, KK. 455
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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: 2026-06-13T15:41:10Z
audio: Keyboard Sonata in G Major, KK. 455
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Iberia, T. 105, Book 2: VI. Triana
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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: 2026-07-02T03:30:09Z
audio: Iberia, T. 105, Book 2: VI. Triana
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Variations on a Theme from Bizet's Carmen (The Gypsy Song Act II) - White House Version
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Variations on a Theme from Bizet's Carmen (The Gypsy Song Act II) - White House Version
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Tritsch-Tratsch Polka, Op. 214 (Arr. Cziffra for Piano)
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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: 2026-06-13T13:32:09Z
audio: Tritsch-Tratsch Polka, Op. 214 (Arr. Cziffra for Piano)
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Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2
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duration ms: 229226
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by artist: Frédéric Chopin
by artist: Yuja Wang
in album: Fantasia
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genre: classical
genre: early-romantic-era
genre: polish-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 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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x111c86fa2364ba4ea526309a5372075c202dc68448f1514ccf957113ecd8eff2. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961101820.
  date published: 2026-06-13T12:47:07Z
audio: Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2
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L'apprenti sorcier (Arr. Staub for Piano)
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duration: PT9M49S
duration ms: 589293
explicit: false
by artist: Paul Dukas
by artist: Yuja Wang
in album: Fantasia
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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: 2026-07-02T03:30:09Z
audio: L'apprenti sorcier (Arr. Staub for Piano)
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24 Preludes, Op. 11: No. 11 in B Major. Allegro assai
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duration: PT1M31S
duration ms: 91400
explicit: false
by artist: Alexander Scriabin
by artist: Yuja Wang
in album: Fantasia
  type: MusicAlbum
  date published: 2012-03-01
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: contemporary-classical
genre: impressionism
genre: russian-romanticism
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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: 2026-06-13T12:47:07Z
audio: 24 Preludes, Op. 11: No. 11 in B Major. Allegro assai
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6 Preludes, Op. 13: No. 6 in B Minor. Presto
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duration: PT1M17S
duration ms: 77946
explicit: false
by artist: Alexander Scriabin
by artist: Yuja Wang
in album: Fantasia
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genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: contemporary-classical
genre: impressionism
genre: russian-romanticism
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additional property: CopyrightStatus
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: 6 Preludes, Op. 13: No. 6 in B Minor. Presto
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24 Preludes, Op. 11: No. 12 in G-Sharp Minor. Andante
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duration: PT1M30S
duration ms: 90493
explicit: false
by artist: Alexander Scriabin
by artist: Yuja Wang
in album: Fantasia
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genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: contemporary-classical
genre: impressionism
genre: russian-romanticism
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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: 2026-07-02T03:30:09Z
audio: 24 Preludes, Op. 11: No. 12 in G-Sharp Minor. Andante
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12 Etudes, Op. 8: No. 9 in G-Sharp Minor. Alla ballata
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by artist: Yuja Wang
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genre: classical
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genre: early-modern-classical
genre: contemporary-classical
genre: impressionism
genre: russian-romanticism
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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
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  date published: 2026-07-02T03:55:08Z
audio: 12 Etudes, Op. 8: No. 9 in G-Sharp Minor. Alla ballata
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2 Poèmes, Op. 32: No. 1 in F-Sharp Major. Andante cantabile
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by artist: Yuja Wang
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genre: classical
genre: late-romantic-era
genre: early-modern-classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: 2 Poèmes, Op. 32: No. 1 in F-Sharp Major. Andante cantabile
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Danse macabre, Op. 40 (Arr. Liszt/Horowitz for Piano)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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Rachmaninov
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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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track: Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T13:32:09Z
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  audio: Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto
track: Piano Concerto No. 2 in C Minor, Op. 18: III. Allegro scherzando
track: Polka de V. R.: Polka de V.R.

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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-06-13T12:47:07Z

Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto
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Piano Concerto No. 2 in C Minor, Op. 18: III. Allegro scherzando
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Piano Concerto No. 2 in C Minor, Op. 18: III. Allegro scherzando
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Polka de V. R.: Polka de V.R.
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subject of: OpenTimestamps Proof of Existence
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transformation
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date published: 2026-07-02T03:55:08Z

La valse, M. 72
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Sonatas & Etudes
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Scriabin: Piano Sonata No. 3 in F-Sharp Minor, Op. 23: III. Andante
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Rachmaninoff: Rhapsody on a Theme of Paganini, Op. 43: Var. 18. Andante cantabile
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Tilson Thomas: You Come Here Often?
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Brahms: Cello Sonata No. 1 in E Minor, Op. 38: I. Allegro non troppo
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Márquez: Danzón No. 2 (Transcr. Gómez-Tagle for Piano) [Musical Moments]
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Rachmaninov: Cello Sonata in G Minor, Op. 19: III. Andante (Live from Verbier Festival / 2008)
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    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T06:14:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5ec13c7ea7e2cee63c4c966c46f16727eb6fa724067e0f3312722cc944d92a6d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953513
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961803700
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  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 0x5ec13c7ea7e2cee63c4c966c46f16727eb6fa724067e0f3312722cc944d92a6d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961803700.
    date published: 2026-06-13T12:47:07Z
  audio: Vocalise, Op. 34 No. 14 (Arr. Kocsis for Piano)
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.391
    additional property: Energy
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      value: 0.016
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.995
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.903
    additional property: Liveness
      type: PropertyValue
      value: 0.088
    additional property: Valence (Positivity)
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      value: 0.039
    additional property: Loudness (dB)
      type: PropertyValue
      value: -31.879
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Adams: China Gates
type: MusicAlbum
date published: 2020-04-10
track: China Gates
  type: MusicRecording
  duration: PT4M39S
  duration ms: 279323
  explicit: false
  by artist: John Adams
  by artist: Yuja Wang
  in album: Adams: China Gates
    type: MusicAlbum
    date published: 2020-04-10
  isrc code: DEN961904040
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T02:16:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1e798d5fdb3ceca279bf3c19dc4fc7a888c15477368dfdce381de173dccc2e24
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  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/DEN961904040
  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 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 0x1e798d5fdb3ceca279bf3c19dc4fc7a888c15477368dfdce381de173dccc2e24. 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/DEN961904040.
    date published: 2026-07-02T03:55:08Z
  audio: China Gates
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 159.427
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.253
    additional property: Energy
      type: PropertyValue
      value: 0.121
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.99
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.939
    additional property: Liveness
      type: PropertyValue
      value: 0.105
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.27
    additional property: Loudness (dB)
      type: PropertyValue
      value: -33.134
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Adams: Must the Devil Have All the Good Tunes?: III. Piú mosso: Obsession / Swing
type: MusicAlbum
date published: 2020-04-03
track: Must the Devil Have All the Good Tunes?: III. Piú mosso: Obsession / Swing
  type: MusicRecording
  duration: PT7M41S
  duration ms: 461998
  explicit: false
  by artist: John Adams
  by artist: Yuja Wang
  by artist: Los Angeles Philharmonic
  by artist: Gustavo Dudamel
  in album: Adams: Must the Devil Have All the Good Tunes?: III. Piú mosso: Obsession / Swing
    type: MusicAlbum
    date published: 2020-04-03
  isrc code: DEN961904033
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T16:58:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x106d62fe949c687a2fd8a3c9330b9bb5868c781cf7e4edd93c94ed68ea8a17bc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956889
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956889
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961904033
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T06:56:49Z
  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 0x106d62fe949c687a2fd8a3c9330b9bb5868c781cf7e4edd93c94ed68ea8a17bc. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/DEN961904033.
    date published: 2026-07-06T06:56:49Z
  audio: Must the Devil Have All the Good Tunes?: III. Piú mosso: Obsession / Swing
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 113.923
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.35
    additional property: Energy
      type: PropertyValue
      value: 0.456
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.904
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.916
    additional property: Liveness
      type: PropertyValue
      value: 0.1
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.126
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.728
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Messiaen: Turangalîla-Symphonie
type: MusicAlbum
date published: 2024-12-06
track: Turangalîla-Symphonie: I. Introduction
  type: MusicRecording
  duration: PT6M33S
  duration ms: 393640
  explicit: false
  by artist: Olivier Messiaen
  by artist: Yuja Wang
  by artist: Cécile Lartigau
  by artist: Boston Symphony Orchestra
  by artist: Andris Nelsons
  in album: Messiaen: Turangalîla-Symphonie
    type: MusicAlbum
    date published: 2024-12-06
  genre: classical
  genre: avant-garde
  isrc code: DEN962436901
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T03:58:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb7ab3fec0bac36c21d565be4a49d0f62aec73aca969765480d51e2824331bb56
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962436901
  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 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 0xb7ab3fec0bac36c21d565be4a49d0f62aec73aca969765480d51e2824331bb56. 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/DEN962436901.
    date published: 2026-07-02T03:30:09Z
  audio: Turangalîla-Symphonie: I. Introduction
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 153.247
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.258
    additional property: Energy
      type: PropertyValue
      value: 0.398
    additional property: Speechiness
      type: PropertyValue
      value: 0.068
    additional property: Acousticness
      type: PropertyValue
      value: 0.887
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.851
    additional property: Liveness
      type: PropertyValue
      value: 0.262
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.051
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.466
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Turangalîla-Symphonie: II. Chant d'amour 1
  type: MusicRecording
  duration: PT7M58S
  duration ms: 478520
  explicit: false
  by artist: Olivier Messiaen
  by artist: Yuja Wang
  by artist: Cécile Lartigau
  by artist: Boston Symphony Orchestra
  by artist: Andris Nelsons
  in album: Messiaen: Turangalîla-Symphonie
    type: MusicAlbum
    date published: 2024-12-06
  genre: classical
  genre: avant-garde
  isrc code: DEN962436902
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T00:28:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4c5eab8b3f903d32bd58cce8cc60305088f375fba31baf627b3a89600390103e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  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/DEN962436902
  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 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 0x4c5eab8b3f903d32bd58cce8cc60305088f375fba31baf627b3a89600390103e. 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/DEN962436902.
    date published: 2026-07-02T03:55:08Z
  audio: Turangalîla-Symphonie: II. Chant d'amour 1
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 100.053
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.198
    additional property: Energy
      type: PropertyValue
      value: 0.288
    additional property: Speechiness
      type: PropertyValue
      value: 0.059
    additional property: Acousticness
      type: PropertyValue
      value: 0.847
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.454
    additional property: Liveness
      type: PropertyValue
      value: 0.074
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.039
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.974
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Turangalîla-Symphonie: III. Turangalîla 1
  type: MusicRecording
  duration: PT5M5S
  duration ms: 305560
  explicit: false
  by artist: Olivier Messiaen
  by artist: Yuja Wang
  by artist: Cécile Lartigau
  by artist: Boston Symphony Orchestra
  by artist: Andris Nelsons
  in album: Messiaen: Turangalîla-Symphonie
    type: MusicAlbum
    date published: 2024-12-06
  genre: classical
  genre: avant-garde
  isrc code: DEN962436903
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Turangalîla-Symphonie: III. Turangalîla 1
track: Turangalîla-Symphonie: IV. Chant d'amour 2
track: Turangalîla-Symphonie: VI. Jardin du sommeil d'amour
track: Turangalîla-Symphonie: VII. Turangalîla 2
track: Turangalîla-Symphonie: X. Final

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-25T17:32:59+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x3e0db3ab69d4d2567806c3c7225cd425ec3a7cad9fc42ead3e3ecb0b3cfdf329

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956304

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962436903

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 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 0x3e0db3ab69d4d2567806c3c7225cd425ec3a7cad9fc42ead3e3ecb0b3cfdf329. 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/DEN962436903.
date published: 2026-07-02T03:55:08Z

Turangalîla-Symphonie: III. Turangalîla 1
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 103.345
additional property: Musical Key
  type: PropertyValue
  value: 1
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.13
additional property: Energy
  type: PropertyValue
  value: 0.15
additional property: Speechiness
  type: PropertyValue
  value: 0.041
additional property: Acousticness
  type: PropertyValue
  value: 0.807
additional property: Instrumentalness
  type: PropertyValue
  value: 0.075
additional property: Liveness
  type: PropertyValue
  value: 0.067
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.04
additional property: Loudness (dB)
  type: PropertyValue
  value: -21.985
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Major

Turangalîla-Symphonie: IV. Chant d'amour 2
type: MusicRecording
duration: PT10M59S
duration ms: 659933
explicit: false
by artist: Olivier Messiaen
by artist: Yuja Wang
by artist: Cécile Lartigau
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Messiaen: Turangalîla-Symphonie
  type: MusicAlbum
  date published: 2024-12-06
genre: classical
genre: avant-garde
isrc code: DEN962436904
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T17:32:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1f887c50090c553036b6d532302fd2e4929f15f0a4d636c3cce8a2261620278d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
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/DEN962436904
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 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: 2026-07-02T03:55:08Z
audio: Turangalîla-Symphonie: IV. Chant d'amour 2
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Turangalîla-Symphonie: VI. Jardin du sommeil d'amour
type: MusicRecording
duration: PT11M33S
duration ms: 693506
explicit: false
by artist: Olivier Messiaen
by artist: Yuja Wang
by artist: Cécile Lartigau
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Messiaen: Turangalîla-Symphonie
  type: MusicAlbum
  date published: 2024-12-06
genre: classical
genre: avant-garde
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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: 2026-07-02T03:30:09Z
audio: Turangalîla-Symphonie: VI. Jardin du sommeil d'amour
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Turangalîla-Symphonie: VII. Turangalîla 2
type: MusicRecording
duration: PT3M33S
duration ms: 213386
explicit: false
by artist: Olivier Messiaen
by artist: Yuja Wang
by artist: Cécile Lartigau
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Messiaen: Turangalîla-Symphonie
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  date published: 2024-12-06
genre: classical
genre: avant-garde
isrc code: DEN962436907
additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-22T19:10:00Z
audio: Turangalîla-Symphonie: VII. Turangalîla 2
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Turangalîla-Symphonie: X. Final
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duration: PT7M15S
duration ms: 435293
explicit: false
by artist: Olivier Messiaen
by artist: Yuja Wang
by artist: Cécile Lartigau
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Messiaen: Turangalîla-Symphonie
  type: MusicAlbum
  date published: 2024-12-06
genre: classical
genre: avant-garde
isrc code: DEN962436910
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: OTSBitcoinBlock
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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: 2026-07-06T06:56:49Z
audio: Turangalîla-Symphonie: X. Final
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Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
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date published: 2025-03-28
track: Symphony No. 1 in F Minor, Op. 10: I. Allegretto – Allegro non troppo
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  by artist: Andris Nelsons
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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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60e49be485c9be5352c00fdcc1814667d8069e190d7aee6528385c0d20753c64. 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/DEN961803721.
    date published: 2026-07-02T03:55:08Z
  audio: Symphony No. 1 in F Minor, Op. 10: I. Allegretto – Allegro non troppo
    type: AudioObject
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track: Symphony No. 2 in B Major, Op. 14 "To October": Ia. Largo
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  duration: PT12M6S
  duration ms: 726653
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  by artist: Dmitri Shostakovich
  by artist: Boston Symphony Orchestra
  by artist: Andris Nelsons
  in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
    type: MusicAlbum
    date published: 2025-03-28
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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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dd8c4892f93c418c6bf60e73fd0cd734ad289a890711e118790c77a424c9ca9. 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/DEN962302051.
    date published: 2026-07-02T03:30:09Z
  audio: Symphony No. 2 in B Major, Op. 14 "To October": Ia. Largo
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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: Speechiness
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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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    additional property: Key Name
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track: Symphony No. 4 in C Minor, Op. 43: I. Allegretto poco moderato
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  by artist: Dmitri Shostakovich
  by artist: Boston Symphony Orchestra
  by artist: Andris Nelsons
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  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Symphony No. 4 in C Minor, Op. 43: I. Allegretto poco moderato
track: Symphony No. 4 in C Minor, Op. 43: III. Moderato con moto
track: Symphony No. 4 in C Minor, Op. 43: IV. Largo
track: Symphony No. 5 in D Minor, Op. 47: I. Moderato
track: Symphony No. 5 in D Minor, Op. 47: II. Allegretto
track: Symphony No. 5 in D Minor, Op. 47: III. Largo
track: Symphony No. 5 in D Minor, Op. 47: IV. Allegro non troppo
track: Symphony No. 6 in B Minor, Op. 54: I. Largo
track: Symphony No. 6 in B Minor, Op. 54: II. Allegro
track: Symphony No. 7 in C Major, Op. 60 "Leningrad": I. Allegretto
track: Symphony No. 10 in E Minor, Op. 93: II. Allegro

OTSBitcoinBlockVerifyURL
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value: https://blockstream.info/api/block-height/956302

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961800141

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:30:09Z

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 0x8f2dba70d8b9d43ebb2916599623f9f1a3ef2f84bcad9ea506438f0ab486f00b. 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/DEN961800141.
date published: 2026-07-02T03:30:09Z

Symphony No. 4 in C Minor, Op. 43: I. Allegretto poco moderato
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additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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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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Symphony No. 4 in C Minor, Op. 43: III. Moderato con moto
type: MusicRecording
duration: PT8M24S
duration ms: 504146
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961800143
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
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additional property: OTSTimestamp
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  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 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 0xad360d6ae1cd79a2e6714f4d85d175b9cc3846262680488d1e3542a9d90a1517. 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/DEN961800143.
  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 4 in C Minor, Op. 43: III. Moderato con moto
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Symphony No. 4 in C Minor, Op. 43: IV. Largo
type: MusicRecording
duration: PT6M51S
duration ms: 411933
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961800144
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
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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 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 0x3ee9fdafbd88d98097b03976143c893d2269098901a6c93aac20542c80b625f3. 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/DEN961800144.
  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 4 in C Minor, Op. 43: IV. Largo
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  additional property: Danceability
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  additional property: Valence (Positivity)
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Symphony No. 5 in D Minor, Op. 47: I. Moderato
type: MusicRecording
duration: PT16M34S
duration ms: 994600
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961501781
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/DEN961501781
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 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 0xf5d3d3e5a3bfbbce081a08563c8c0f85d5fdc95565952c1980b35f42d2f2dd9f. 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/DEN961501781.
  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 5 in D Minor, Op. 47: I. Moderato
  type: AudioObject
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  additional property: Danceability
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Symphony No. 5 in D Minor, Op. 47: II. Allegretto
type: MusicRecording
duration: PT5M36S
duration ms: 336120
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961501782
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
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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 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 0x299478135b0c811128b2c90832f86fe59a8110e9b3477fac9c61985a04f25805. 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/DEN961501782.
  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 5 in D Minor, Op. 47: II. Allegretto
  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: Liveness
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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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  additional property: Mode Name
    type: PropertyValue
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Symphony No. 5 in D Minor, Op. 47: III. Largo
type: MusicRecording
duration: PT15M25S
duration ms: 925293
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961501783
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/DEN961501783
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 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 0x212e6a63b62f7ebaff8cd7c50a365430c95279373ad18e1d9dc89d8435f53802. 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/DEN961501783.
  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 5 in D Minor, Op. 47: III. Largo
  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
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.153
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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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
    value: -32.304
  additional property: Key Name
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  additional property: Mode Name
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Symphony No. 5 in D Minor, Op. 47: IV. Allegro non troppo
type: MusicRecording
duration: PT12M12S
duration ms: 732986
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961501785
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
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961501785
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 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 0x9793948e1e902eaee103d14bf19a38c7aeab46f63b4f9963daa2a200d5c5fa97. 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/DEN961501785.
  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 5 in D Minor, Op. 47: IV. Allegro non troppo
  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
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  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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  additional property: Mode Name
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Symphony No. 6 in B Minor, Op. 54: I. Largo
type: MusicRecording
duration: PT19M38S
duration ms: 1178800
explicit: false
by artist: Dmitri Shostakovich
by artist: Boston Symphony Orchestra
by artist: Andris Nelsons
in album: Shostakovich: Symphonies; Concertos; Lady Macbeth of Mtsensk District
  type: MusicAlbum
  date published: 2025-03-28
isrc code: DEN961700461
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
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/DEN961700461
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 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 0xafcc341a867d10e16a45333d27b1333bb73a9196017f23d1be97ce909fef61a8. 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/DEN961700461.
  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 6 in B Minor, Op. 54: I. Largo
  type: AudioObject
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Symphony No. 7 in C Major, Op. 60 "Leningrad": I. Allegretto
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Symphony No. 10 in E Minor, Op. 93: II. Allegro
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