Jana Boušková
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genre: chamber music
description: Jana Boušková (born 27 September 1970) is a Czech harpist and pedagogue. She has been the principal harpist of the Czech Philharmonic since 2005. Boušková is also a professor at the Royal College of M
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followers: 558
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album: Dvořák: String Sextet in A Major, Op. 48 / Schumann: 5 Stücke im Volkston, Op. 102; Fantasiestücke, Op. 73 / Reimann: Solo for Clarinet (Live)
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album: Winds & Strings: Spohr, Ibert, Janacek & Widmann (Live)
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album: Andante Galante
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album: Paul Freeman Introduces Exotic Concertos
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album: Romantic Harp Concertos
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  track: Harp Concerto in B-Flat Major, HWV 294: II. Larghetto
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  track: Concerto for Flute and Harp in C Major, K. 299: I. Allegro
  track: Concerto for Flute and Harp in C Major, K. 299: III. Rondo. Allegro
  track: Harp Concerto in C in Major: II. Andante lento -
  track: Harp Concerto in A Major: II. Larghetto
  track: Harp Concerto in A Major: III. Rondo. Allegretto
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  track: Harp Concerto in G Major: II. Andante
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  track: Harp Concerto in G Major: III. Vivace
album: Jana Boušková Plays Virtuoso Harp Encores
album: Lukáš Sommer: Three Concerts
album: Má vlast (Arr. for Solo Harp)
album: František Benda: Flute Sonatas
album: Bambini di Praga Merry Christmas
album: Foerster: The Complete String Quartets
album: Flûte & Harpe
album: Jean-Baptiste Krumpholtz: Concertos for Harp and Orchestra 1 (Nos 1, 2, 5)
album: Fischer: Works for Harp
album: Harp - Handel, Krumpholtz, Boieldieu
album: František Benda: Flute Sonatas II
album: Minutové pohádky a příběhy
album: Šmoulové, Vol. 1 (Pohádkové Příběhy)
album: Ravel, Debussy: Solos for Harp
album: Růže pro princeznu a další pohádky o princeznách
album: Concertino II.
album: Martinů: Chamber Music with Viola
album: Harp Concertos
album: Six Concertos For Haro And String Trio
album: Hindemith: Mathis der Maler, Concerto for Winds, Harp and Orchestra & Konzertmusik for Brass and Strings
album: Concertos for Harp by Dittersdorf, Albrechtsberger & Wagenseil
album: Heavenly Voices
album: Harfe - Flöte

Harp Concerto in A Major: II. Larghetto
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Harp Concerto in A Major: III. Rondo. Allegretto
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Partita in F Major: II. Adagio un poco
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Harp Concerto in G Major: II. Andante
type: MusicRecording
duration: PT4M37S
duration ms: 277826
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by artist: Georg Christoph Wagenseil
by artist: Südwestdeutsches Kammerorchester Pforzheim
by artist: Vladislav Czarnecki
by artist: Jana Boušková
in album: Romantic Harp Concertos
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popularity: 1
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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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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: 2026-07-08T03:20:19Z
audio: Harp Concerto in G Major: II. Andante
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Harp Concerto in A Major: I. Allegro molto
type: MusicRecording
duration: PT6M37S
duration ms: 397160
explicit: false
by artist: Carl Ditters von Dittersdorf
by artist: Südwestdeutsches Kammerorchester Pforzheim
by artist: Vladislav Czarnecki
by artist: Jana Boušková
in album: Romantic Harp Concertos
  type: MusicAlbum
  date published: 2015-03-06
popularity: 1
genre: classical-era
genre: baroque
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:26:26Z
audio: Harp Concerto in A Major: I. Allegro molto
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Harp Concerto in C Major: III. Allegro
type: MusicRecording
duration: PT3M15S
duration ms: 195160
explicit: false
by artist: Johann Georg Albrechtsberger
by artist: Südwestdeutsches Kammerorchester Pforzheim
by artist: Vladislav Czarnecki
by artist: Jana Boušková
in album: Romantic Harp Concertos
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popularity: 1
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T20:22:46Z
audio: Harp Concerto in C Major: III. Allegro
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Partita in F Major: I. Presto
type: MusicRecording
duration: PT3M49S
duration ms: 229813
explicit: false
by artist: Johann Georg Albrechtsberger
by artist: Südwestdeutsches Kammerorchester Pforzheim
by artist: Vladislav Czarnecki
by artist: Jana Boušková
in album: Romantic Harp Concertos
  type: MusicAlbum
  date published: 2015-03-06
popularity: 1
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T16:33:26Z
audio: Partita in F Major: I. Presto
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Harp Concerto in G Major: I. Allegro
type: MusicRecording
duration: PT3M50S
duration ms: 230160
explicit: false
by artist: Georg Christoph Wagenseil
by artist: Südwestdeutsches Kammerorchester Pforzheim
by artist: Vladislav Czarnecki
by artist: Jana Boušková
in album: Romantic Harp Concertos
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popularity: 1
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T18:23:33Z
audio: Harp Concerto in G Major: I. Allegro
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additional property: OTSVerifyInstructions
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Harp Concerto in G Major: III. Vivace
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duration: PT5M11S
duration ms: 311080
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by artist: Georg Christoph Wagenseil
by artist: Südwestdeutsches Kammerorchester Pforzheim
by artist: Vladislav Czarnecki
by artist: Jana Boušková
in album: Romantic Harp Concertos
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popularity: 1
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:26:26Z
audio: Harp Concerto in G Major: III. Vivace
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additional property: OTSVerifyInstructions
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Granada - Fantasía espaňola - Arr. for Harp by Carlos Salzedo
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by artist: Jana Boušková
in album: Jana Boušková Plays Virtuoso Harp Encores
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Granada - Fantasía espaňola - Arr. for Harp by Carlos Salzedo
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Liebestraum (Notturno No. 3) - Arr. for Harp by Jana Boušková
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duration: PT4M50S
duration ms: 290133
explicit: false
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in album: Jana Boušková Plays Virtuoso Harp Encores
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genre: classical
genre: late-romantic-era
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  date published: 2026-07-31T12:24:41Z
audio: Liebestraum (Notturno No. 3) - Arr. for Harp by Jana Boušková
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Der Nebel steigt, Op. 41
type: MusicRecording
duration: PT2M9S
duration ms: 129906
explicit: false
by artist: Carl Nielsen
by artist: Janne Thomsen
by artist: Jana Boušková
in album: Flûte & Harpe
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  date published: 2003
popularity: 6
genre: orchestra
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:20:19Z
audio: Der Nebel steigt, Op. 41
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Romance, Op. 37
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by artist: Janne Thomsen
by artist: Jana Boušková
in album: Flûte & Harpe
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popularity: 6
genre: classical
genre: late-romantic-era
genre: french-romanticism
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:20:19Z
audio: Romance, Op. 37
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Fantaisie, Op. 79
type: MusicRecording
duration: PT4M56S
duration ms: 296907
explicit: false
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by artist: Janne Thomsen
by artist: Jana Boušková
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popularity: 4
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:20:19Z
audio: Fantaisie, Op. 79
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Sonate pour flûte et harpe in C Minor: II. Andante
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duration: PT7M25S
duration ms: 445361
explicit: false
by artist: Louis Spohr
by artist: Janne Thomsen
by artist: Jana Boušková
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popularity: 6
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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
  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
additional property: ProofProfileEvidenceStatus
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  date published: 2026-07-08T03:20:19Z
audio: Sonate pour flûte et harpe in C Minor: II. Andante
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Andante con variazioni in F Major
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duration: PT4M10S
duration ms: 250070
explicit: false
by artist: Gioachino Rossini
by artist: Janne Thomsen
by artist: Jana Boušková
in album: Flûte & Harpe
  type: MusicAlbum
  date published: 2003
popularity: 5
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd536d3e5a38bbf0c64d2807e047fa6deb01b07fb7406c51097fc9b47db359d6. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRY220301695.
  date published: 2026-07-30T12:06:10Z
audio: Andante con variazioni in F Major
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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

Concerto for Flute, Harp, and Orchestra in C Major, KV 299: I. Allegro - Arranged for Flute & Harp
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duration: PT3M54S
duration ms: 234631
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by artist: Jana Boušková
in album: Flûte & Harpe
  type: MusicAlbum
  date published: 2003
popularity: 2
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
audio: Concerto for Flute, Harp, and Orchestra in C Major, KV 299: I. Allegro - Arranged for Flute & Harp
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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

Harp Concerto No. 5 in B-Flat Major: III. Rondo. Allegro
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duration ms: 320773
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by artist: Jan Křtitel Krumpholz
by artist: Československý komorní orchestr
by artist: Jana Boušková
in album: Harp - Handel, Krumpholtz, Boieldieu
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  date published: 1993-01-01
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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: 2026-07-08T03:53:27Z
audio: Harp Concerto No. 5 in B-Flat Major: III. Rondo. Allegro
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Pohádka Bez Konce
type: MusicRecording
duration: PT3M0S
duration ms: 180710
explicit: false
by artist: Jana Boušková
by artist: Miloš Vacek
in album: Minutové pohádky a příběhy
  type: MusicAlbum
  date published: 2022-03-11
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc26cbbf70f8b9b636bae4663c0147e02770f466340d7d7387eb69706675c0a70. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA540901602.
  date published: 2026-07-31T17:29:52Z
audio: Pohádka Bez Konce
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isrc code: CZA540901602
additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Šmoulympiáda
type: MusicRecording
duration: PT21M17S
duration ms: 1277293
explicit: false
by artist: Jiří Bruder
by artist: Jiří Cízler
by artist: Jana Boušková
by artist: Jitka Molavcová
by artist: Vlastimil Brodský
in album: Šmoulové, Vol. 1 (Pohádkové Příběhy)
  type: MusicAlbum
  date published: 1997-12-05
isrc code: CZA659753690
additional property: CopyrightID
additional property: CopyrightStatus
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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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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: 2026-06-13T15:41:10Z
audio: Šmoulympiáda
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Šmoulíček Učedníček
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duration: PT25M41S
duration ms: 1541733
explicit: false
by artist: Jiří Bruder
by artist: Jiří Cízler
by artist: Jana Boušková
by artist: Jitka Molavcová
by artist: Vlastimil Brodský
in album: Šmoulové, Vol. 1 (Pohádkové Příběhy)
  type: MusicAlbum
  date published: 1997-12-05
isrc code: CZA659753691
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
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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
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Šmoulíček Učedníček
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Sonatine, M. 40: I. Modéré - Arr. for Flute, Cello and Harp
type: MusicRecording
duration: PT4M26S
duration ms: 266053
explicit: false
by artist: Maurice Ravel
by artist: Jana Boušková
by artist: Václav Kunt
by artist: Michal Kaňka
in album: Ravel, Debussy: Solos for Harp
  type: MusicAlbum
  date published: 1999-02-17
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
isrc code: CZA169901011
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169901011
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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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Sonatine, M. 40: I. Modéré - Arr. for Flute, Cello and Harp
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Sonatine, M. 40: II. Mouvement de menuet - Arr. for Flute, Cello and Harp
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duration: PT2M51S
duration ms: 171613
explicit: false
by artist: Maurice Ravel
by artist: Jana Boušková
by artist: Václav Kunt
by artist: Michal Kaňka
in album: Ravel, Debussy: Solos for Harp
  type: MusicAlbum
  date published: 1999-02-17
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
isrc code: CZA169902011
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
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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: 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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a186d5655e19b9a0a46a31513df3ccff35f35b145d130eaf2658594fd84e49e. 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/CZA169902011.
  date published: 2026-07-08T08:56:20Z
audio: Sonatine, M. 40: II. Mouvement de menuet - Arr. for Flute, Cello and Harp
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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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Introduction and Allegro for Harp, Flute, Clarinet and String Quartet, M. 46: I. Introduction
type: MusicRecording
duration: PT1M54S
duration ms: 114186
explicit: false
by artist: Maurice Ravel
by artist: Pražák Quartet
by artist: Jana Boušková
by artist: Václav Kunt
by artist: Ludmila Peterková
in album: Ravel, Debussy: Solos for Harp
  type: MusicAlbum
  date published: 1999-02-17
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d00a7d733c1f1f224948b7409ec8e647d0b4fe8a69e5f5c8c1ad674e36a53d6. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169901010.
  date published: 2026-07-31T02:19:15Z
audio: Introduction and Allegro for Harp, Flute, Clarinet and String Quartet, M. 46: I. Introduction
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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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    value: 0.035
  additional property: Loudness (dB)
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    value: -24.757
  additional property: Key Name
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isrc code: CZA169901010
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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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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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169901010
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Introduction and Allegro for Harp, Flute, Clarinet and String Quartet, M. 46: II. Allegro
type: MusicRecording
duration: PT9M37S
duration ms: 577240
explicit: false
by artist: Maurice Ravel
by artist: Pražák Quartet
by artist: Jana Boušková
by artist: Václav Kunt
by artist: Ludmila Peterková
in album: Ravel, Debussy: Solos for Harp
  type: MusicAlbum
  date published: 1999-02-17
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50a89b3d09b28f67bc4edb1154c50e88789c38cfad46de2e5c285a61266e3164. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169902010.
  date published: 2026-07-31T17:29:52Z
audio: Introduction and Allegro for Harp, Flute, Clarinet and String Quartet, M. 46: II. Allegro
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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
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.197
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
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    value: -25.541
  additional property: Key Name
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isrc code: CZA169902010
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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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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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Sonatine, M. 40: III. Animé - Arr. for Flute, Cello and Harp
type: MusicRecording
duration: PT4M11S
duration ms: 251693
explicit: false
by artist: Maurice Ravel
by artist: Jana Boušková
by artist: Václav Kunt
by artist: Michal Kaňka
in album: Ravel, Debussy: Solos for Harp
  type: MusicAlbum
  date published: 1999-02-17
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc52c6fc13fd930798b459ddbebb2c93f33b93a707085354917b76fa62123bb57. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169903011.
  date published: 2026-07-31T02:19:15Z
audio: Sonatine, M. 40: III. Animé - Arr. for Flute, Cello and Harp
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 99.922
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.175
  additional property: Energy
    type: PropertyValue
    value: 0.061
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.918
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.869
  additional property: Key Name
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    value: F#
  additional property: Mode Name
    type: PropertyValue
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isrc code: CZA169903011
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
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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: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Dances for Harp and Strings, L. 103: No. 1, Danse sacrée
type: MusicRecording
duration: PT4M39S
duration ms: 279640
explicit: false
by artist: Claude Debussy
by artist: Pražák Quartet
by artist: Jana Boušková
by artist: Václav Hoskovec
in album: Ravel, Debussy: Solos for Harp
  type: MusicAlbum
  date published: 1999-02-17
genre: classical
genre: impressionism
genre: post-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1108627d5ab06e5270b7a0d1d88d7ab46bfdacc8c7f7d8f39d2236ccc0c99ca. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169901012.
  date published: 2026-07-31T10:20:10Z
audio: Dances for Harp and Strings, L. 103: No. 1, Danse sacrée
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 164.193
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.139
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.64
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.482
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: CZA169901012
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T10:20:10+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169901012
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960389
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T10:20:10+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Dances for Harp and Strings, L. 103: No. 2, Danse profane
type: MusicRecording
duration: PT5M1S
duration ms: 301626
explicit: false
by artist: Claude Debussy
by artist: Pražák Quartet
by artist: Jana Boušková
by artist: Václav Hoskovec
in album: Ravel, Debussy: Solos for Harp
  type: MusicAlbum
  date published: 1999-02-17
genre: classical
genre: impressionism
genre: post-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65b7b3479964a2bb87ddfa2fb5ccbebaa19ddddd85c59dc3355d8eb8f0b83323. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169902012.
  date published: 2026-07-30T10:42:33Z
audio: Dances for Harp and Strings, L. 103: No. 2, Danse profane
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 148.053
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.214
  additional property: Energy
    type: PropertyValue
    value: 0.032
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.885
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.782
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: CZA169902012
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960247
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T10:42:33+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169902012
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960247
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T10:42:33+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

O zakleté princezně
type: MusicRecording
duration: PT21M10S
duration ms: 1270733
explicit: false
by artist: Radoslav Brzobohaty
by artist: Jana Boušková
by artist: Věra Galatíková
by artist: Vlastimil Brodský
by artist: Jan Čenský
by artist: Ivo Gübel
by artist: Veronika Gajerová
by artist: Jaroslava Adamová
by artist: Pavla Adamová
by artist: Eliška Balzerová
by artist: Pavlína Cejnarová
by artist: Kristýna Frejová
by artist: Matěj Hádek
by artist: Ivan Gübel
by artist: Miroslav Doležal
in album: Růže pro princeznu a další pohádky o princeznách
  type: MusicAlbum
  date published: 2022-09-23
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd295eb8eb9378f98b1620961c91493f06cdedcfa50125228b4d734cccc37f7bd. Chain 2 (Bitcoin): anchored in block 960303 (2026-07-30T20:11:13Z), 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/CZA162100914.
  date published: 2026-07-30T20:11:13Z
audio: O zakleté princezně
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.937
  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: 0.53
  additional property: Energy
    type: PropertyValue
    value: 0.187
  additional property: Speechiness
    type: PropertyValue
    value: 0.926
  additional property: Acousticness
    type: PropertyValue
    value: 0.621
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.084
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.502
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: CZA162100914
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960303
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T20:11:13+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA162100914
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  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 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

Musical Key
type: PropertyValue
value: 7

Mode (Major/Minor)
type: PropertyValue
value: 0

Time Signature
type: PropertyValue
value: 5

Danceability
type: PropertyValue
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Jana Boušková Plays Virtuoso Harp Encores
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Lukáš Sommer: Three Concerts
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Má vlast (Arr. for Solo Harp)
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František Benda: Flute Sonatas
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Bambini di Praga Merry Christmas
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Foerster: The Complete String Quartets
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Flûte & Harpe
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Fischer: Works for Harp
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Harp - Handel, Krumpholtz, Boieldieu
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František Benda: Flute Sonatas II
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track: Jak Křemílek a Vochomůrka vezli čtyři velké kameny
track: Bonus - A Rok Je Pryč
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  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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb105b51ef2a4c5c8b2d4aa4ec5923f15de94fe9b564d057c8431b9444d24c863. 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/CZA162100493.
  date published: 2026-06-13T13:32:09Z
audio: Jak Křemílek a Vochomůrka vezli čtyři velké kameny
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.019
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.698
  additional property: Energy
    type: PropertyValue
    value: 0.202
  additional property: Speechiness
    type: PropertyValue
    value: 0.906
  additional property: Acousticness
    type: PropertyValue
    value: 0.735
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.211
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.449
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.678
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bonus - A Rok Je Pryč
type: MusicRecording
duration: PT2M51S
duration ms: 171873
explicit: false
by artist: Divadlo Spejbla a Hurvínka
in album: Minutové pohádky a příběhy
  type: MusicAlbum
  date published: 2022-03-11
isrc code: CZA167200289
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:15:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa28cc9da01ccc6fd6cf1517ec8a96d68dbebb5e52504f6d1235f8d9770fad830
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/CZA167200289
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 0xa28cc9da01ccc6fd6cf1517ec8a96d68dbebb5e52504f6d1235f8d9770fad830. 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/CZA167200289.
  date published: 2026-07-08T03:53:27Z
audio: Bonus - A Rok Je Pryč
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.736
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.69
  additional property: Energy
    type: PropertyValue
    value: 0.196
  additional property: Speechiness
    type: PropertyValue
    value: 0.933
  additional property: Acousticness
    type: PropertyValue
    value: 0.701
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.222
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.64
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.128
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Liška a čáp
type: MusicRecording
duration: PT3M16S
duration ms: 196885
explicit: false
by artist: Arnošt Goldflam
by artist: František Kreuzmann
by artist: Malvína Pachlová
by artist: Simona Postlerová
by artist: Pavel Zedníček
in album: Minutové pohádky a příběhy
  type: MusicAlbum
  date published: 2022-03-11
isrc code: CZA162000017
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:04:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeef361548c39ea0449024743645f79be268d8f3bdfb4d957c4ba8e66bcfb89f8
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/CZA162000017
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 0xeef361548c39ea0449024743645f79be268d8f3bdfb4d957c4ba8e66bcfb89f8. 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/CZA162000017.
  date published: 2026-07-08T03:53:27Z
audio: Liška a čáp
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.692
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.719
  additional property: Energy
    type: PropertyValue
    value: 0.238
  additional property: Speechiness
    type: PropertyValue
    value: 0.905
  additional property: Acousticness
    type: PropertyValue
    value: 0.369
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.073
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.54
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.889
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Drak dvanáctihlavý
type: MusicRecording
duration: PT5M57S
duration ms: 357325
explicit: false
by artist: Luděk Munzar
in album: Minutové pohádky a příběhy
  type: MusicAlbum
  date published: 2022-03-11
isrc code: CZA161801048
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T02:56:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x64841e929071e0bbc189212790f188cfd6b0d075a8a52f499fb776d109a072ef
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/CZA161801048
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64841e929071e0bbc189212790f188cfd6b0d075a8a52f499fb776d109a072ef. 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/CZA161801048.
  date published: 2026-07-02T03:30:09Z
audio: Drak dvanáctihlavý
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.804
  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: 0.648
  additional property: Energy
    type: PropertyValue
    value: 0.503
  additional property: Speechiness
    type: PropertyValue
    value: 0.947
  additional property: Acousticness
    type: PropertyValue
    value: 0.681
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.282
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.73
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.233
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

O Zlobivé Včeličce
type: MusicRecording
duration: PT3M50S
duration ms: 230761
explicit: false
by artist: Jitka Ježková
in album: Minutové pohádky a příběhy
  type: MusicAlbum
  date published: 2022-03-11
isrc code: CZA161440953
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:56:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa49aa1a22ad1ef159743af6e9109509ec0210b430045d3c20398cc4370671c32
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/CZA161440953
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 0xa49aa1a22ad1ef159743af6e9109509ec0210b430045d3c20398cc4370671c32. 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/CZA161440953.
  date published: 2026-07-08T03:53:27Z
audio: O Zlobivé Včeličce
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.804
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.667
  additional property: Energy
    type: PropertyValue
    value: 0.221
  additional property: Speechiness
    type: PropertyValue
    value: 0.952
  additional property: Acousticness
    type: PropertyValue
    value: 0.71
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.377
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.444
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.848
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Hádalka
type: MusicRecording
duration: PT5M51S
duration ms: 351519
explicit: false
by artist: Pavel Zedníček
in album: Minutové pohádky a příběhy
  type: MusicAlbum
  date published: 2022-03-11
isrc code: CZA162100270
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:13:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x39490dbce1d9475e567756050bd931d3602d96c69c05bce35d74078765b3731e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA162100270
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 0x39490dbce1d9475e567756050bd931d3602d96c69c05bce35d74078765b3731e. 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/CZA162100270.
  date published: 2026-07-08T03:20:19Z
audio: Hádalka
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.999
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.609
  additional property: Energy
    type: PropertyValue
    value: 0.246
  additional property: Speechiness
    type: PropertyValue
    value: 0.955
  additional property: Acousticness
    type: PropertyValue
    value: 0.744
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.071
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.504
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.416
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Obušku, Z Pytle Ven!
type: MusicRecording
duration: PT6M51S
duration ms: 411677
explicit: false
by artist: Martin Růžek
by artist: František Belfín
by artist: Komorní instrumentální soubor
in album: Minutové pohádky a příběhy
  type: MusicAlbum
  date published: 2022-03-11
isrc code: CZA168400629
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T02:57:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4a69f7b844525ff5b80b739bbfb326c802cd88177328dc718e214c19cf1f7ca3
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/CZA168400629
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a69f7b844525ff5b80b739bbfb326c802cd88177328dc718e214c19cf1f7ca3. 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/CZA168400629.
  date published: 2026-07-02T03:30:09Z
audio: Obušku, Z Pytle Ven!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.388
  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: 0.597
  additional property: Energy
    type: PropertyValue
    value: 0.349
  additional property: Speechiness
    type: PropertyValue
    value: 0.703
  additional property: Acousticness
    type: PropertyValue
    value: 0.929
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.23
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.754
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.746
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kocour V Botách
type: MusicRecording
duration: PT6M31S
duration ms: 391070
explicit: false
by artist: Miroslav Masopust
by artist: František Belfín
by artist: Komorní instrumentální soubor
in album: Minutové pohádky a příběhy
  type: MusicAlbum
  date published: 2022-03-11
isrc code: CZA168400628
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T02:56:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x23d2db251443677135a3853bcf581d99311e2f5ed848d633a72531e9866a7e3c
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/CZA168400628
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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Šmoulové, Vol. 1 (Pohádkové Příběhy)
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Ravel, Debussy: Solos for Harp
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Concertino II.
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Martinů: Chamber Music with Viola
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Harp Concertos
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Six Concertos For Haro And String Trio
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Hindemith: Mathis der Maler, Concerto for Winds, Harp and Orchestra & Konzertmusik for Brass and Strings
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Concertos for Harp by Dittersdorf, Albrechtsberger & Wagenseil
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Heavenly Voices
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Harfe - Flöte
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