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description: Krzysztof Urbański (born 17 October 1982, Pabianice, Poland) is a Polish conductor and composer. Biography Urbański studied conducting at the Fryderyk Chopin University of Music in Warsaw, where his
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Andante Spianato & Grande Polonaise Brillante in G Major / E-Flat Major, Op. 22: Grande Polonaise Brillante. Allegro molto
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Rondo à la Krakowiak in F Major, Op. 14: Rondo. Allegro non troppo - Poco meno mosso
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Introduzione. Largo - Poco più mosso
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Tema. Allegretto
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Tema. Allegretto
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. II. Veloce, ma accuratamente
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duration: PT0M59S
duration ms: 59146
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Chopin: Works For Piano & Orchestra
  type: MusicAlbum
  date published: 2017-03-10
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: DEN961631004
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: 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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. II. Veloce, ma accuratamente
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. V. Adagio
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duration: PT3M18S
duration ms: 198573
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Chopin: Works For Piano & Orchestra
  type: MusicAlbum
  date published: 2017-03-10
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: DEN961631007
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-13T07:53:33Z
audio: Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. V. Adagio
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Fantasy on Polish Airs, Op. 13: Air: "Już miesiąc zeszedł psy się uśpiły" Andantino
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duration: PT2M45S
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explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Chopin: Works For Piano & Orchestra
  type: MusicAlbum
  date published: 2017-03-10
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: DEN961600562
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
  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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Fantasy on Polish Airs, Op. 13: Air: "Już miesiąc zeszedł psy się uśpiły" Andantino
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Fantasy on Polish Airs, Op. 13: Thème de Charles Kurpinski: Allegretto - Presto con fuoco - Lento quasi Adagio - Molto più mosso
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duration: PT4M11S
duration ms: 251480
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Chopin: Works For Piano & Orchestra
  type: MusicAlbum
  date published: 2017-03-10
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: DEN961600563
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Fantasy on Polish Airs, Op. 13: Thème de Charles Kurpinski: Allegretto - Presto con fuoco - Lento quasi Adagio - Molto più mosso
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Fantasy on Polish Airs, Op. 13: Kujawiak. Vivace
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duration: PT3M4S
duration ms: 184640
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Chopin: Works For Piano & Orchestra
  type: MusicAlbum
  date published: 2017-03-10
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: DEN961600564
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c846ba8bb11bad37c01a12d52f92928e3b26e24ae077dc1bd1739256de15d9c. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600564.
  date published: 2026-07-02T11:38:34Z
audio: Fantasy on Polish Airs, Op. 13: Kujawiak. Vivace
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. I. Brillante
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duration: PT1M1S
duration ms: 61546
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Chopin: Works For Piano & Orchestra
  type: MusicAlbum
  date published: 2017-03-10
genre: classical
genre: early-romantic-era
genre: polish-classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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audio: Le sacre du printemps, K015: II. Le sacrifice: No. 3, Glorification de l'élue
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Le sacre du printemps, K015: II. Le sacrifice: No. 5, Action rituelle des ancêtres
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Le sacre du printemps, K015: II. Le sacrifice: No. 6, Danse sacrale
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Chopin: Works For Piano & Orchestra
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track: Rondo à la Krakowiak in F Major, Op. 14: Introduzione. Andantino quasi Allegretto - Allegro molto
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track: Rondo à la Krakowiak in F Major, Op. 14: Rondo. Allegro non troppo - Poco meno mosso
track: Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Introduzione. Largo - Poco più mosso
track: Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Tema. Allegretto
track: Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. II. Veloce, ma accuratamente
track: Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. V. Adagio
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  audio: Fantasy on Polish Airs, Op. 13: Largo non troppo
track: Fantasy on Polish Airs, Op. 13: Air: "Już miesiąc zeszedł psy się uśpiły" Andantino
track: Fantasy on Polish Airs, Op. 13: Thème de Charles Kurpinski: Allegretto - Presto con fuoco - Lento quasi Adagio - Molto più mosso
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track: Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Coda. Alla Polacca

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Nocturne in C-Sharp Minor, Op. Posth.
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Kinderszenen, Op. 15: I. Von fremden Ländern und Menschen
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Rondo à la Krakowiak in F Major, Op. 14: Introduzione. Andantino quasi Allegretto - Allegro molto
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Peer Gynt, Op. 23: Prelude To Act 4 (Morning Mood) - Excerpt
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Horn Concerto No. 2 in E-Flat Major, K. 417: II. Andante
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Lagrima
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The Four Seasons, Autumn, Violin Concerto in F Major, RV 293, Op. 8 No. 3: II. Adagio molto - Live
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audio: The Four Seasons, Autumn, Violin Concerto in F Major, RV 293, Op. 8 No. 3: II. Adagio molto - Live
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21 Hungarian Dances, WoO 1: No. 5 in G Minor (Orch. Schmeling)
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Nocturne No. 2 in E-Flat Major, Op. 9 No. 2
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The Boys from The East - Pt. 1
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Lieder ohne Worte I, Op. 19b: IV. Moderato, MWV U73
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Variations on "La ci darem la mano", Op. 2: Thema. Allegretto
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Concerto grosso in G , Op. 3/3 , RV 310 - (Arr. by P.H. Jensen): 2. Largo
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Violin Concerto No. 2 in B Minor, Op. 7, MS. 48: III. Rondo à la clochette "La campanella". Allegretto moderato - Excerpt
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Analog Love - Unplugged
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Your Heart is Melting
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Contredanse in C Major. La Bataille, K. 535
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Piano Sonata No. 30 in E Major, Op. 109: IIIc. Var. 2. Leggiermente
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Divertimento in B Flat Major, K. 137: III. Allegro assai
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Lieder ohne Worte V, Op. 62: VI. Allegretto grazioso, MWV U161 "Spring Song"
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Good Morning, Mr. Correa - Unplugged / Live (Pt. 1)
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Piano Sonata No. 30 in E Major, Op. 109: IIIb. Var. 1. Molto espressivo
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Les petits riens, Ballet, K. 299b: No. 1, Larghetto
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Nocturne No. 21 in C minor, Op. posth.
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  date published: 2026-07-08T03:22:41Z
audio: Nocturne No. 21 in C minor, Op. posth.
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Theme From Jurassic Park - From "Jurassic Park" Soundtrack
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Theme From Jurassic Park - From "Jurassic Park" Soundtrack
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Peaceful Piano Moods
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
  audio: Main Theme - From "Missing"
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track: Ave verum corpus, K. 618
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track: Kinderszenen, Op. 15: VII. Träumerei
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track: The Arts and the Hours
track: Earned It - Solo Piano
track: Sleeping Lotus
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track: …And at the Hour of Death
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T08:56:20Z

Ave verum corpus, K. 618
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Kinderszenen, Op. 15: VII. Träumerei
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subject of: OpenTimestamps Proof of Existence
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audio: Kinderszenen, Op. 15: VII. Träumerei
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Consolations, S. 172: No. 3 Lento, placido
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subject of: OpenTimestamps Proof of Existence
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The Arts and the Hours
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75f284d803ff7a2a1946e11bca340eabadeae80322e0d18d20ce39652fe2add0. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961903320.
  date published: 2026-07-08T03:53:27Z
audio: The Arts and the Hours
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.92
  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: 0.459
  additional property: Energy
    type: PropertyValue
    value: 0.062
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.918
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.308
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.038
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Earned It - Solo Piano
type: MusicRecording
duration: PT4M6S
duration ms: 246686
explicit: false
by artist: Stephan Moccio
in album: Peaceful Piano Moods
  type: MusicAlbum
  date published: 2022-03-25
popularity: 3
isrc code: GBUM72100437
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:08:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfa91a18b42c9fae79bbc263abe6c4517bdab18cad02d58afca4c5b24a9973e37
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM72100437
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa91a18b42c9fae79bbc263abe6c4517bdab18cad02d58afca4c5b24a9973e37. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM72100437.
  date published: 2026-07-08T08:56:20Z
audio: Earned It - Solo Piano
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.81
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.42
  additional property: Energy
    type: PropertyValue
    value: 0.006
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.949
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.175
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.469
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Sleeping Lotus
type: MusicRecording
duration: PT2M34S
duration ms: 154026
explicit: false
by artist: Joep Beving
in album: Peaceful Piano Moods
  type: MusicAlbum
  date published: 2022-03-25
popularity: 2
isrc code: NLF7S1400007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T23:44:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x202f9679c0e2c8c54d7fd15891662eca727c6fe829652a80be58a9d62a704163
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLF7S1400007
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x202f9679c0e2c8c54d7fd15891662eca727c6fe829652a80be58a9d62a704163. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLF7S1400007.
  date published: 2026-07-08T08:56:20Z
audio: Sleeping Lotus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.328
  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: 0.304
  additional property: Energy
    type: PropertyValue
    value: 0.015
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.79
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.193
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.413
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Nocturne in G Minor
type: MusicRecording
duration: PT2M48S
duration ms: 168949
explicit: false
by artist: Ólafur Arnalds
by artist: Alice Sara Ott
in album: Peaceful Piano Moods
  type: MusicAlbum
  date published: 2022-03-25
popularity: 3
isrc code: GBUM71406943
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T01:32:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x68deb429fda4290e98e85d30b781ded9325006da88cbc6d42294ebaca085bcb4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM71406943
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68deb429fda4290e98e85d30b781ded9325006da88cbc6d42294ebaca085bcb4. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM71406943.
  date published: 2026-07-08T03:22:41Z
audio: Nocturne in G Minor
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.297
  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: 0.28
  additional property: Energy
    type: PropertyValue
    value: 0.06
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.922
  additional property: Liveness
    type: PropertyValue
    value: 0.365
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.285
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.283
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

For Jóhann
type: MusicRecording
duration: PT3M0S
duration ms: 180114
explicit: false
by artist: Víkingur Ólafsson
in album: Peaceful Piano Moods
  type: MusicAlbum
  date published: 2022-03-25
popularity: 2
genre: classical
genre: classical-piano
genre: minimalism
isrc code: DEN961800450
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T03:23:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1ede1ff9bbaa06bbcefbc8934ff44c388282c56c2a9a0e9cb19142a57cfee6f9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961800450
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ede1ff9bbaa06bbcefbc8934ff44c388282c56c2a9a0e9cb19142a57cfee6f9. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961800450.
  date published: 2026-07-08T08:56:20Z
audio: For Jóhann
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.843
  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: 0.632
  additional property: Energy
    type: PropertyValue
    value: 0.124
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.927
  additional property: Liveness
    type: PropertyValue
    value: 0.074
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.251
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.498
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

…And at the Hour of Death
type: MusicRecording
duration: PT2M30S
duration ms: 150000
explicit: false
by artist: Víkingur Ólafsson
in album: Peaceful Piano Moods
  type: MusicAlbum
  date published: 2022-03-25
popularity: 3
genre: classical
genre: classical-piano
genre: minimalism
isrc code: DEN961800500
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T08:59:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb62ef76d100803139cd488d844c9b222ff6edb0203de0a258d4e66e9c41f21df
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961800500
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb62ef76d100803139cd488d844c9b222ff6edb0203de0a258d4e66e9c41f21df. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961800500.
  date published: 2026-07-08T08:56:20Z
audio: …And at the Hour of Death
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.77
  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: 0.514
  additional property: Energy
    type: PropertyValue
    value: 0.021
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.889
  additional property: Liveness
    type: PropertyValue
    value: 0.064
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.231
  additional property: Loudness (dB)
    type: PropertyValue
    value: -35.21
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Frühlingsglaube
type: MusicRecording
duration: PT3M31S
duration ms: 211403
explicit: false
by artist: Brigitte Engerer
in album: Peaceful Piano Moods
  type: MusicAlbum
  date published: 2022-03-25
popularity: 3
genre: classical
genre: classical-piano
isrc code: FRZ038401150
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:08:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x143592970e276a328f93159e09b6e8806274e59e02bfb83ce4a36e27ed6e58e6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ038401150
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x143592970e276a328f93159e09b6e8806274e59e02bfb83ce4a36e27ed6e58e6. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ038401150.
  date published: 2026-07-08T03:53:27Z
audio: Frühlingsglaube
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.333
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.426
  additional property: Energy
    type: PropertyValue
    value: 0.033
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.923
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.103
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.934
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Dolly, Op. 56: I. Berceuse
type: MusicRecording
duration: PT2M59S
duration ms: 179685
explicit: false
by artist: Katia Labèque
by artist: Marielle Labèque
in album: Peaceful Piano Moods
  type: MusicAlbum
  date published: 2022-03-25
popularity: 1
isrc code: NLA508692113
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T12:04:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1ae649431889941e47bc178985ff810e6475ff44908983108b867fc1bf5c29b0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957122
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957122
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508692113
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:39:04Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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audio: Dolly, Op. 56: I. Berceuse
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One Day You Finally Knew
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subject of: OpenTimestamps Proof of Existence
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audio: One Day You Finally Knew
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Piano Sonata No. 14 in C Minor, K. 457: II. Adagio
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subject of: OpenTimestamps Proof of Existence
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audio: Piano Sonata No. 14 in C Minor, K. 457: II. Adagio
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Una Mattina
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subject of: OpenTimestamps Proof of Existence
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audio: Una Mattina
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Gnossiennes: III. Lent
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3 Gymnopédies: I. Lent et douloureux
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audio: 3 Gymnopédies: I. Lent et douloureux
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My Father's Favourite - From "Sense & Sensibility"
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audio: My Father's Favourite - From "Sense & Sensibility"
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Música Clásica Para Leer
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Nocturne No. 2 in E-Flat Major, Op. 9 No. 2
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air "on the G String"
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Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
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Turandot, Act III: Nessun dorma!
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Notturno for Strings and Harp
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La traviata / Act 1: Libiamo ne'lieti calici
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audio: La traviata / Act 1: Libiamo ne'lieti calici
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Come, Sweet Death, BWV 478 (Arr. for 5 Cellos)
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subject of: OpenTimestamps Proof of Existence
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Nocturne No. 1 in E Flat Major, H.24
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Carmen Suite No. 1: 5. Les toréadors
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audio: Carmen Suite No. 1: 5. Les toréadors
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Suite bergamasque, L. 75: III. Clair de lune
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Fantasy on Polish Airs, Op. 13: Largo non troppo
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Concerto grosso in G Minor, Op. 6 No. 8, "Christmas Concerto": Adagio (Arr. Davies, Gordon and Tognetti)
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Après un rêve, Op. 7, No. 1 (Arr. Piano)
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Piano Concerto No. 3 in C, Op. 26: 1. Andante - Allegro
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Cello Sonata No. 4 in C Major, Op. 102 No. 1: I. Andante –
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Canon and Gigue in D Major, P 37: I. Canon
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Concerto for Lute, 2 Violins and Continuo in D major, RV 93: 3. Allegro
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Rinaldo / Act 2: Lascia ch'io pianga
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Variations on a Theme of Chopin, Op. 22: Variation No. 16 Lento
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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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Pavane, Op. 50
type: MusicRecording
duration: PT5M15S
duration ms: 315933
explicit: false
by artist: Gabriel Fauré
by artist: Rotterdam Philharmonic Orchestra
by artist: Jean Fournet
in album: Música Clásica Para Leer
  type: MusicAlbum
  date published: 2023-07-18
popularity: 3
isrc code: NLA507500213
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
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507500213
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29b5fa8bc82e4a819a3572941273714cfdf2ffeb0b8f90979349ced416911221. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507500213.
  date published: 2026-07-08T03:53:27Z
audio: Pavane, Op. 50
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  additional property: Musical Key
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  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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Berceuse in D-Flat Major, Op. 57
type: MusicRecording
duration: PT4M29S
duration ms: 269226
explicit: false
by artist: Frédéric Chopin
by artist: Maurizio Pollini
in album: Música Clásica Para Leer
  type: MusicAlbum
  date published: 2023-07-18
popularity: 2
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: DEN961801620
additional property: CopyrightID
additional property: CopyrightStatus
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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
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0666dc1f6328fc761a84e3966462ebdf36f740ca826dfa3ea3f71d48b56bb082. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961801620.
  date published: 2026-07-08T03:20:19Z
audio: Berceuse in D-Flat Major, Op. 57
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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L'isle joyeuse, L. 106
type: MusicRecording
duration: PT6M15S
duration ms: 375186
explicit: false
by artist: Claude Debussy
by artist: Seong-Jin Cho
in album: Música Clásica Para Leer
  type: MusicAlbum
  date published: 2023-07-18
popularity: 2
genre: classical
genre: impressionism
genre: post-romantic-era
isrc code: DEN961700740
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961700740
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd56c95e2282112ec1902909a81a275ede48e5e34c017c47c35cb3c2a9a357f0c. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961700740.
  date published: 2026-07-08T08:56:20Z
audio: L'isle joyeuse, L. 106
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Peaceful Piano Moods "Morning" (Peaceful Piano Moods, Volume 1)
type: MusicAlbum
date published: 2022-03-25
track: Main Theme - From "Missing"
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  duration: PT4M15S
  duration ms: 255627
  explicit: false
  by artist: Vangelis
  by artist: Van-Anh Nguyen
  in album: Peaceful Piano Moods "Morning" (Peaceful Piano Moods, Volume 1)
    type: MusicAlbum
    date published: 2022-03-25
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
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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/AUUM72100007
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00bcff004c8f6a6fcc72200e2487edc19aa456b7972add7182f440edb1cfee4b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUUM72100007.
    date published: 2026-07-08T03:20:19Z
  audio: Main Theme - From "Missing"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    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: 0.436
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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    additional property: Liveness
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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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19th Century Piano - Frédéric Chopin
type: MusicAlbum
date published: 2024-12-22
track: Waltz No. 3 in A Minor, Op. 34 No. 2 - Pt. 6
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  duration: PT0M36S
  duration ms: 36453
  explicit: false
  by artist: Frédéric Chopin
  by artist: Mikhail Pletnev
  in album: 19th Century Piano - Frédéric Chopin
    type: MusicAlbum
    date published: 2024-12-22
  genre: classical
  genre: early-romantic-era
  genre: polish-classical
  isrc code: DEF059607116
  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: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdae3a7e8b14cdc7eca079fa70eceb685a2848a9e79febc1bedc944c9db740fc3. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059607116.
    date published: 2026-07-08T03:20:19Z
  audio: Waltz No. 3 in A Minor, Op. 34 No. 2 - Pt. 6
    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
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.049
    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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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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track: 24 Préludes, Op. 28: No. 15 in D-Flat Major: Sostenuto - Pt. 1
  type: MusicRecording
  duration: PT1M26S
  duration ms: 86906
  explicit: false
  by artist: Frédéric Chopin
  by artist: Martha Argerich
  in album: 19th Century Piano - Frédéric Chopin
    type: MusicAlbum
    date published: 2024-12-22
  genre: classical
  genre: early-romantic-era
  genre: polish-classical
  isrc code: DEF057530551
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530551
  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80227ef550e9443ecb8cd4dc9882bb9371bc1d968f2956f0c6f4a60c3f5ce6c7. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530551.
    date published: 2026-07-08T03:20:19Z
  audio: 24 Préludes, Op. 28: No. 15 in D-Flat Major: Sostenuto - Pt. 1
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -37.481
    additional property: Key Name
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    additional property: Mode Name
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track: 12 Etudes, Op. 25: No. 1 in A-Flat Major "Harp Study" - Pt. 2
  type: MusicRecording
  duration: PT0M46S
  duration ms: 46546
  explicit: false
  by artist: Frédéric Chopin
  by artist: Tamás Vásáry
  in album: 19th Century Piano - Frédéric Chopin
    type: MusicAlbum
    date published: 2024-12-22
  genre: classical
  genre: early-romantic-era
  genre: polish-classical
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
  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: 12 Etudes, Op. 25: No. 1 in A-Flat Major "Harp Study" - Pt. 2
track: Scherzo No. 3 in C-Sharp Minor, Op. 39 - Pt. 2
track: Scherzo No. 3 in C-Sharp Minor, Op. 39 - Pt. 3

CopyrightChainExplorerURL
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OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957118

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507142

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
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date published: 2026-07-08T03:20:19Z

12 Etudes, Op. 25: No. 1 in A-Flat Major "Harp Study" - Pt. 2
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Scherzo No. 3 in C-Sharp Minor, Op. 39 - Pt. 2
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Scherzo No. 3 in C-Sharp Minor, Op. 39 - Pt. 3
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subject of: OpenTimestamps Proof of Existence
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audio: Cello Concerto No. 1, H. 196: II. Andante moderato
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Elgar Cello Concerto
type: MusicAlbum
date published: 2013-01-01

Der Feuervogel. SWR Young CLASSIX
type: MusicAlbum
date published: 2013

Back to Melody
type: MusicAlbum
date published: 2011-04-05