Igor Markevitch
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genre: classical
description: thumb|Igor Markevitch (photo with dedication) Igor Borisovich Markevitch (27 July 1912 – 7 March 1983) was a Russian composer and conductor who studied and worked in Paris and became a naturalized It
popularity: 31
followers: 2665
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album: Glinka: A Life for the Tsar (Arr. N. Rimsky-Korsakov)
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  date published: 2014-10-01
album: Carl Nielsen: Symphony No. 4, Op. 29, CNW 28 "The Inextinguishable"
  type: MusicAlbum
  date published: 2022-12-02
album: Gounod: Messe solennelle de Sainte Cécile; An Interview with Igor Markevitch (Igor Markevitch – The Deutsche Grammophon Legacy: Volume 19)
  type: MusicAlbum
  date published: 2021-09-17
album: Berlioz Symphonie Fantastique / Brahms Sinfonies 1 and 4: Igor Markevitch
  type: MusicAlbum
  date published: 2023-03-03
album: Wagner: Orchestral Works (Live)
  type: MusicAlbum
  date published: 2022-09-02
album: Ride of the Valkyries and Other Works
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  date published: 2022-07-18
  track: Die Walküre, WWV 86B
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      date published: 2022-07-18
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    genre: classical
    genre: opera
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      date published: 2026-07-30T19:11:09Z
    audio: Die Walküre, WWV 86B
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  track: The Planets, Op. 32: IV. Jupiter
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    audio: The Planets, Op. 32: IV. Jupiter
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album: Igor Markevitch in Italy (Live)
album: Hommage à Diaghilev
album: Mozart: Bassoon Concerto, K. 191; Haydn: Sinfonia concertante; Cimarosa: Concerto for two flutes; Schubert: Symphony No. 3 (Igor Markevitch – The Deutsche Grammophon Legacy: Volume 3)
album: Brahms: Symphony No. 4; Berlioz: Harold en Italie (Igor Markevitch – The Deutsche Grammophon Legacy: Volume 8)
album: Berlioz: Symphonie fantastique; Mussorgsky: Pictures At An Exhibition (Igor Markevitch – The Deutsche Grammophon Legacy: Volume 16)
album: Beethoven: Overtures (Igor Markevitch – The Deutsche Grammophon Legacy: Volume 4)
album: Tchaikovsky: Symphony No. 4; Hamlet
album: Tchaikovsky: Symphony No. 3; Francesca da Rimini
album: Mussorgsky: Songs; Tcherepnin: Tati-Tati; L. Mozart: Toy Symphony; Bizet: Jeux d'enfants
album: Haydn: Symphony No. 103 'Drum Roll'; Symphony No. 104 'London'; Webner: Preciosa Overture
album: De Falla: Nights in the Gardens of Spain; El amor brujo; Chabrier: España; Ravel: Boléro
album: Berg: Violin Concerto; Brahms: Tragic Overture; Alto Rhapsody; Kodály: Psalmus Hungaricus
album: Beethoven: Symphony No. 1; Symphony No. 5; Symphony No. 8
album: Beethoven: Piano Concerto No. 3; Chopin: Piano Concerto No. 2
album: Beethoven: Orchestral Works
album: Tchaikovsky & Stravinsky: Works
album: National Theatre Belgrade: Great Russian Operas from 1955
album: Igor Markevitch, Vol. 1: Scheherazade and Symphonies by Beethoven, Haydn & Nielsen
album: Beethoven : Piano Concerto No. 3 - Schumann : Piano Concerto In A Minor
album: Verdi: Messa da Requiem - Mussorgsky: 6 Songs
album: Mussorgsky: Pictures at an Exhibition - Night on Bald Mountain
album: Tchaikovsky: The Symphonies & Manfred
album: Berlioz: Le damnation de faust (1959)
album: Berlioz, Mussorgsky & Mozart: Orchestral Works
album: Haydn : La Création
album: Mussorgsky: Pictures at an Exhibition (Original Piano Version and Ravel Orchestration)
album: Beethoven & Gluck: Orchestral Works
album: Markevitch Conducts Verdi, Brahms, Mussorgsky, Stravinsky and Others
album: Modest Mussorgsky: Russian Songs, Pictures at an Exhibition - Igor Stravinsky: Symphony of Psalms
album: Igor Markevitch Conducts Richard Wagner and Claude Debussy
album: Manuel de Falla: Noches en los jardines de España, El sombrero de tres picos & La vida breve (interludio y danza No. 1)
album: Gieseking plays Mozart (1944-1955)
album: Tchaikovsky: Symphony No. 6; Francesca da Rimini (Igor Markevitch – The Deutsche Grammophon Legacy: Volume 13)
album: Rimsky-Korsakov: Russian Easter Festival Overture; Overture May Night; Le Coq d'or; Borodin: In The Steppes Of Central Asia; Liadov: Fragment de l'Apocalypse; Glinka: Ruslan and Lyudmila (Igo
album: Bizet: Carmen & L'Arlésienne Suites Nos. 1 & 2
album: MARKEVITCH conducts "EROICA" (Remastered in 2026)
track: Swan Lake, Ballet suite, Op. 20a, Dance of the swans
track: Swan Lake, Ballet suite, Op. 20
track: Prélude à l'après-midi d'un faune, L. 86

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Igor Markevitch in Italy (Live)
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date published: 2022-06-03

Hommage à Diaghilev
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date published: 2022-03-04

Mozart: Bassoon Concerto, K. 191; Haydn: Sinfonia concertante; Cimarosa: Concerto for two flutes; Schubert: Symphony No. 3 (Igor Markevitch – The Deutsche Grammophon Legacy: Volume 3)
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date published: 2021-09-17
track: Bassoon Concerto in B-Flat Major, K. 191: I. Allegro - Cadenza: Edouard Flament
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  popularity: 2
  genre: classical
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track: Bassoon Concerto in B-Flat Major, K. 191: II. Andante ma adagio
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    date published: 2026-07-30T19:26:00Z
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  subject of: OpenTimestamps Proof of Existence
  audio: Bassoon Concerto in B-Flat Major, K. 191: III. Rondo (Tempo di menuetto)

Igor Markevitch
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Mozart: Bassoon Concerto, K. 191; Haydn: Sinfonia concertante; Cimarosa: Concerto for two flutes; Schubert: Symphony No. 3 (Igor Markevitch – The Deutsche Grammophon Legacy: Volume 3)
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:20:19Z

Bassoon Concerto in B-Flat Major, K. 191: III. Rondo (Tempo di menuetto)
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Brahms: Symphony No. 4; Berlioz: Harold en Italie (Igor Markevitch – The Deutsche Grammophon Legacy: Volume 8)
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date published: 2021-09-17

Berlioz: Symphonie fantastique; Mussorgsky: Pictures At An Exhibition (Igor Markevitch – The Deutsche Grammophon Legacy: Volume 16)
type: MusicAlbum
date published: 2021-09-17

Beethoven: Overtures (Igor Markevitch – The Deutsche Grammophon Legacy: Volume 4)
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date published: 2021-09-17
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-08-01T00:10:46Z
  audio: Music to Goethe's Tragedy "Egmont", Op. 84
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track: Overture "Coriolan", Op. 62
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
  audio: Overture "Coriolan", Op. 62
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track: Overture "The Consecration of the House", Op. 124
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  subject of: OpenTimestamps Proof of Existence
  audio: Overture "The Consecration of the House", Op. 124

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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

Overture "The Consecration of the House", Op. 124
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Tchaikovsky: Symphony No. 4; Hamlet
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date published: 2021-08-27
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
  audio: Symphony No. 4 in F Minor, Op. 36, TH 27: 1. Andante sostenuto - Moderato con anima - Moderato assai, quasi Andante - Allegro vivo
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Tchaikovsky: Symphony No. 3; Francesca da Rimini
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date published: 2021-08-27

Mussorgsky: Songs; Tcherepnin: Tati-Tati; L. Mozart: Toy Symphony; Bizet: Jeux d'enfants
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Haydn: Symphony No. 103 'Drum Roll'; Symphony No. 104 'London'; Webner: Preciosa Overture
type: MusicAlbum
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De Falla: Nights in the Gardens of Spain; El amor brujo; Chabrier: España; Ravel: Boléro
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T13:50:38Z
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960397
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506000338
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T12:24:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc66b77f22682d002f29013c77c5f6a8612ddf8179a31c2ed400723f72abcf3e. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/NLA506000338.
    date published: 2026-07-31T12:24:41Z
  audio: Nights in the Gardens of Spain: 2. Danza lejana
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.671
    additional property: Key Name
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track: Nights in the Gardens of Spain: 3. En los jardines de la Sierra de Cordoba
  type: MusicRecording
  duration: PT7M56S
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  explicit: false
  by artist: Manuel de Falla
  by artist: Clara Haskil
  by artist: Orchestre Lamoureux
  by artist: Igor Markevitch
  in album: De Falla: Nights in the Gardens of Spain; El amor brujo; Chabrier: España; Ravel: Boléro
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    date published: 2021-08-27
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Nights in the Gardens of Spain: 3. En los jardines de la Sierra de Cordoba
track: El amor brujo: Danza ritual del fuego, para ahuyentar los malos espíritos

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960389

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960389

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506000339

OTSTimestamp
type: PropertyValue
value: 2026-07-31T10:20:10Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ce38a110b1aec0f92a5599742619d1c8248bca43c89a93d7aead0f7f9d182e4. 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/NLA506000339.
date published: 2026-07-31T10:20:10Z

Nights in the Gardens of Spain: 3. En los jardines de la Sierra de Cordoba
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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El amor brujo: Danza ritual del fuego, para ahuyentar los malos espíritos
type: MusicRecording
duration: PT3M47S
duration ms: 227064
explicit: false
by artist: Manuel de Falla
by artist: Spanish R.T.V. Symphony Orchestra
by artist: Igor Markevitch
in album: De Falla: Nights in the Gardens of Spain; El amor brujo; Chabrier: España; Ravel: Boléro
  type: MusicAlbum
  date published: 2021-08-27
isrc code: NLA506600016
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506600016
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec4198f7cfeeb2ca066fb1c32e07c91b78cbf875add3cf7c24e54a5717abead4. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/NLA506600016.
  date published: 2026-07-31T15:20:15Z
audio: El amor brujo: Danza ritual del fuego, para ahuyentar los malos espíritos
  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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    value: 0
  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Berg: Violin Concerto; Brahms: Tragic Overture; Alto Rhapsody; Kodály: Psalmus Hungaricus
type: MusicAlbum
date published: 2021-08-27

Beethoven: Symphony No. 1; Symphony No. 5; Symphony No. 8
type: MusicAlbum
date published: 2021-08-27
track: Symphony No. 5 in C Minor, Op. 67: 1. Allegro con brio
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  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Orchestre Lamoureux
  by artist: Igor Markevitch
  in album: Beethoven: Symphony No. 1; Symphony No. 5; Symphony No. 8
    type: MusicAlbum
    date published: 2021-08-27
  popularity: 0
  genre: classical
  genre: classical-piano
  genre: chamber-music
  isrc code: NLA505900198
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T09:18:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x52e0a624956f18a3fe8a3d776b27905457e21ea07b2487df2e42a299dede074c
  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/NLA505900198
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52e0a624956f18a3fe8a3d776b27905457e21ea07b2487df2e42a299dede074c. 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/NLA505900198.
    date published: 2026-07-08T03:20:19Z
  audio: Symphony No. 5 in C Minor, Op. 67: 1. Allegro con brio
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 114.85
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.248
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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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)
      type: PropertyValue
      value: -17.61
    additional property: Key Name
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      value: F
    additional property: Mode Name
      type: PropertyValue
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track: Symphony No. 5 in C Minor, Op. 67: 2. Andante con moto
  type: MusicRecording
  duration: PT9M36S
  duration ms: 576973
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Orchestre Lamoureux
  by artist: Igor Markevitch
  in album: Beethoven: Symphony No. 1; Symphony No. 5; Symphony No. 8
    type: MusicAlbum
    date published: 2021-08-27
  popularity: 0
  genre: classical
  genre: classical-piano
  genre: chamber-music
  isrc code: NLA505900199
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-07-31T16:41:52+00:00
  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/960441
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA505900199
  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0abecbeefac3aedf1df6a0bd721ff5954f8b9331bf14b9fc876a7b2064072719. 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/NLA505900199.
    date published: 2026-07-31T17:29:52Z
  audio: Symphony No. 5 in C Minor, Op. 67: 2. Andante con moto
    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)
      type: PropertyValue
      value: 0.059
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.621
    additional property: Key Name
      type: PropertyValue
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    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Symphony No. 5 in C Minor, Op. 67: 3. Scherzo. Allegro - Trio
  type: MusicRecording
  duration: PT5M18S
  duration ms: 318013
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Orchestre Lamoureux
  by artist: Igor Markevitch
  in album: Beethoven: Symphony No. 1; Symphony No. 5; Symphony No. 8
    type: MusicAlbum
    date published: 2021-08-27
  popularity: 0
  genre: classical
  genre: classical-piano
  genre: chamber-music
  isrc code: NLA505900200
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Symphony No. 5 in C Minor, Op. 67: 3. Scherzo. Allegro - Trio
track: Symphony No. 5 in C Minor, Op. 67: 4. Allegro

CopyrightStatus
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value: registered

CopyrightRegisteredAt
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CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0xa415cde6491b959df34bf72068ee144514bc7da0fcb251b28af25222774fc8e9

OTSHash
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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/NLA505900200

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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa415cde6491b959df34bf72068ee144514bc7da0fcb251b28af25222774fc8e9. 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/NLA505900200.
date published: 2026-07-08T03:20:19Z

Symphony No. 5 in C Minor, Op. 67: 3. Scherzo. Allegro - Trio
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 105.797
additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
  type: PropertyValue
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additional property: Key Name
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additional property: Mode Name
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Symphony No. 5 in C Minor, Op. 67: 4. Allegro
type: MusicRecording
duration: PT8M32S
duration ms: 512331
explicit: false
by artist: Ludwig van Beethoven
by artist: Orchestre Lamoureux
by artist: Igor Markevitch
in album: Beethoven: Symphony No. 1; Symphony No. 5; Symphony No. 8
  type: MusicAlbum
  date published: 2021-08-27
popularity: 0
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: NLA505900201
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bef32843bd0bd11941e56d7c5b3b933d8ea6438f98d8b44bfe3eb7a3f2dd639. 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/NLA505900201.
  date published: 2026-07-31T02:19:15Z
audio: Symphony No. 5 in C Minor, Op. 67: 4. Allegro
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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type: MusicAlbum
date published: 2021-08-27

Beethoven: Orchestral Works
type: MusicAlbum
date published: 2020-11-06
track: Coriolan Overture, Op. 62
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  by artist: Orchestre Lamoureux
  by artist: Igor Markevitch
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  genre: classical
  genre: classical-piano
  genre: chamber-music
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  additional property: OTSBitcoinBlock
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe00f5cdc251e444940be13ab4f0323508b864050f7e2ce15616d406c93d21cb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITX921003120.
    date published: 2026-06-13T12:47:07Z
  audio: Coriolan Overture, Op. 62
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Tchaikovsky & Stravinsky: Works
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date published: 2020-02-07
track: Symphony of Psalms: I. Exaudi orationem meam, Domine
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    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITCC56000006
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x735c24fcc49ea69f46d87fc1f4260e532da5b21bf9da85fe81907605e8db2f2d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITCC56000006.
    date published: 2026-07-02T03:55:08Z
  audio: Symphony of Psalms: I. Exaudi orationem meam, Domine
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Valence (Positivity)
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National Theatre Belgrade: Great Russian Operas from 1955
type: MusicAlbum
date published: 2020-01-17

Igor Markevitch, Vol. 1: Scheherazade and Symphonies by Beethoven, Haydn & Nielsen
type: MusicAlbum
date published: 2019-06-07

Beethoven : Piano Concerto No. 3 - Schumann : Piano Concerto In A Minor
type: MusicAlbum
date published: 2019-03-19

Verdi: Messa da Requiem - Mussorgsky: 6 Songs
type: MusicAlbum
date published: 2018-04-20

Mussorgsky: Pictures at an Exhibition - Night on Bald Mountain
type: MusicAlbum
date published: 2017-01-20
track: Pictures at an Exhibition: Promenade I
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  by artist: Gewandhausorchester
  by artist: Igor Markevitch
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    type: MusicAlbum
    date published: 2017-01-20
  popularity: 1
  genre: classical
  genre: late-romantic-era
  genre: early-modern-classical
  genre: russian-romanticism
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf1b934e01fef31d542efdc15683445a8e22101d97e0e76413dcd41476070818. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), 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/DES380022937.
    date published: 2026-07-31T09:25:34Z
  audio: Pictures at an Exhibition: Promenade I
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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track: Pictures at an Exhibition: I. The Gnome
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  genre: classical
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  genre: russian-romanticism
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43d1565769a2b5fe64626fff03b2fa12fc133c21e6f661d7c04c68a4f5b32d0a. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/DES380022938.
    date published: 2026-07-31T04:14:58Z
  audio: Pictures at an Exhibition: I. The Gnome
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    additional property: Valence (Positivity)
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  by artist: Gewandhausorchester
  by artist: Igor Markevitch
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    type: MusicAlbum
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  popularity: 0
  genre: classical
  genre: late-romantic-era
  genre: early-modern-classical
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  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: Pictures at an Exhibition: Promenade II
track: Pictures at an Exhibition: II. The Old Castle
track: Pictures at an Exhibition: III. Tuileries
track: Pictures at an Exhibition: IV. Bydlo
track: Pictures at an Exhibition: Promenade IV
track: Pictures at an Exhibition: VI. Samuel Goldenberg and Schmuÿle
track: Pictures at an Exhibition: VII. The Market Place at Limoges
track: Pictures at an Exhibition: IX. The Hut of Baba Yaga
track: Pictures at an Exhibition: X. The Great Gate of Kiev
track: Night on Bald Mountain

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CopyrightRegisteredAt
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CopyrightChainExplorerURL
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OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380022939

OTSTimestamp
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf535891485c42f1265b6416323e4001d706c2399014f7f91ab3d7012a9e26d60. 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/DES380022939.
date published: 2026-07-08T03:20:19Z

Pictures at an Exhibition: Promenade II
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additional property: Tempo (BPM)
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Valence (Positivity)
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Pictures at an Exhibition: II. The Old Castle
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duration: PT3M35S
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by artist: Modest Mussorgsky
by artist: Gewandhausorchester
by artist: Igor Markevitch
in album: Mussorgsky: Pictures at an Exhibition - Night on Bald Mountain
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popularity: 1
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: russian-romanticism
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4e17ff19efc570f2a20d86819ac9d41c5a9e337126eb3f27e51be5d69994412. 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/DES380022940.
  date published: 2026-07-08T03:20:19Z
audio: Pictures at an Exhibition: II. The Old Castle
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.89
  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: 0.11
  additional property: Energy
    type: PropertyValue
    value: 0.015
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.875
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.045
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.955
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pictures at an Exhibition: III. Tuileries
type: MusicRecording
duration: PT1M15S
duration ms: 75525
explicit: false
by artist: Modest Mussorgsky
by artist: Gewandhausorchester
by artist: Igor Markevitch
in album: Mussorgsky: Pictures at an Exhibition - Night on Bald Mountain
  type: MusicAlbum
  date published: 2017-01-20
popularity: 1
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: russian-romanticism
isrc code: DES380022942
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:13:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf676859efced1d8659252029d122e35c6959499082b30c5f049131a19832daca
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/DES380022942
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf676859efced1d8659252029d122e35c6959499082b30c5f049131a19832daca. 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/DES380022942.
  date published: 2026-07-08T03:20:19Z
audio: Pictures at an Exhibition: III. Tuileries
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.712
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.405
  additional property: Energy
    type: PropertyValue
    value: 0.022
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.546
  additional property: Liveness
    type: PropertyValue
    value: 0.148
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.103
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.745
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Pictures at an Exhibition: IV. Bydlo
type: MusicRecording
duration: PT2M59S
duration ms: 179250
explicit: false
by artist: Modest Mussorgsky
by artist: Gewandhausorchester
by artist: Igor Markevitch
in album: Mussorgsky: Pictures at an Exhibition - Night on Bald Mountain
  type: MusicAlbum
  date published: 2017-01-20
popularity: 0
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: russian-romanticism
isrc code: DES380022943
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:04:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4688f3f7b9f7ae2e9945e1859e23dcf8004bd92e80a447bf4d1e45dd66d483c5
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/DES380022943
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4688f3f7b9f7ae2e9945e1859e23dcf8004bd92e80a447bf4d1e45dd66d483c5. 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/DES380022943.
  date published: 2026-07-08T03:20:19Z
audio: Pictures at an Exhibition: IV. Bydlo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.039
  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: 0.134
  additional property: Energy
    type: PropertyValue
    value: 0.041
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.957
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.952
  additional property: Liveness
    type: PropertyValue
    value: 0.136
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.247
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.038
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pictures at an Exhibition: Promenade IV
type: MusicRecording
duration: PT0M45S
duration ms: 45063
explicit: false
by artist: Modest Mussorgsky
by artist: Gewandhausorchester
by artist: Igor Markevitch
in album: Mussorgsky: Pictures at an Exhibition - Night on Bald Mountain
  type: MusicAlbum
  date published: 2017-01-20
popularity: 0
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: russian-romanticism
isrc code: DES380022944
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T16:40:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7cd165b7443bbd2fd6915cbef7d6aa6510f10683384c63c0d3731c523478d19b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960441
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960441
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380022944
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cd165b7443bbd2fd6915cbef7d6aa6510f10683384c63c0d3731c523478d19b. 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/DES380022944.
  date published: 2026-07-31T17:29:52Z
audio: Pictures at an Exhibition: Promenade IV
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 149.565
  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: 0.165
  additional property: Energy
    type: PropertyValue
    value: 0.029
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.948
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.788
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.12
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.805
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Pictures at an Exhibition: VI. Samuel Goldenberg and Schmuÿle
type: MusicRecording
duration: PT2M45S
duration ms: 165067
explicit: false
by artist: Modest Mussorgsky
by artist: Gewandhausorchester
by artist: Igor Markevitch
in album: Mussorgsky: Pictures at an Exhibition - Night on Bald Mountain
  type: MusicAlbum
  date published: 2017-01-20
popularity: 0
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: russian-romanticism
isrc code: DES380022946
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:27:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe6ed7ce66441d195a9de1a74342f66c59e2e209a2b86e4fef3c996418013a663
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/DES380022946
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6ed7ce66441d195a9de1a74342f66c59e2e209a2b86e4fef3c996418013a663. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/DES380022946.
  date published: 2026-07-08T03:39:04Z
audio: Pictures at an Exhibition: VI. Samuel Goldenberg and Schmuÿle
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.158
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.298
  additional property: Energy
    type: PropertyValue
    value: 0.11
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.947
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.782
  additional property: Liveness
    type: PropertyValue
    value: 0.14
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.568
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pictures at an Exhibition: VII. The Market Place at Limoges
type: MusicRecording
duration: PT1M22S
duration ms: 82585
explicit: false
by artist: Modest Mussorgsky
by artist: Gewandhausorchester
by artist: Igor Markevitch
in album: Mussorgsky: Pictures at an Exhibition - Night on Bald Mountain
  type: MusicAlbum
  date published: 2017-01-20
popularity: 0
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: russian-romanticism
isrc code: DES380022947
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T23:38:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x557f846b6b84b51a602688735c2aa94becf046ac9b30982d5b2d588cc47e5c3d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960481
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960481
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380022947
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:51:35Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x557f846b6b84b51a602688735c2aa94becf046ac9b30982d5b2d588cc47e5c3d. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380022947.
  date published: 2026-07-31T23:51:35Z
audio: Pictures at an Exhibition: VII. The Market Place at Limoges
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.741
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.457
  additional property: Energy
    type: PropertyValue
    value: 0.29
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.953
  additional property: Liveness
    type: PropertyValue
    value: 0.712
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.454
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.496
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pictures at an Exhibition: IX. The Hut of Baba Yaga
type: MusicRecording
duration: PT3M45S
duration ms: 225526
explicit: false
by artist: Modest Mussorgsky
by artist: Gewandhausorchester
by artist: Igor Markevitch
in album: Mussorgsky: Pictures at an Exhibition - Night on Bald Mountain
  type: MusicAlbum
  date published: 2017-01-20
popularity: 4
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: russian-romanticism
isrc code: DES380022949
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:28:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x175a89ef15d0e33f91b6e9137ee1886bc9a9ea61c6ff3aebac62789e02563e4a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380022949
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x175a89ef15d0e33f91b6e9137ee1886bc9a9ea61c6ff3aebac62789e02563e4a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380022949.
  date published: 2026-07-02T03:55:08Z
audio: Pictures at an Exhibition: IX. The Hut of Baba Yaga
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.279
  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: 0.364
  additional property: Energy
    type: PropertyValue
    value: 0.192
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.938
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.927
  additional property: Liveness
    type: PropertyValue
    value: 0.696
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.183
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.287
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Pictures at an Exhibition: X. The Great Gate of Kiev
type: MusicRecording
duration: PT5M29S
duration ms: 329525
explicit: false
by artist: Modest Mussorgsky
by artist: Gewandhausorchester
by artist: Igor Markevitch
in album: Mussorgsky: Pictures at an Exhibition - Night on Bald Mountain
  type: MusicAlbum
  date published: 2017-01-20
popularity: 1
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: russian-romanticism
isrc code: DES380022950
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T09:50:11Z
audio: Pictures at an Exhibition: X. The Great Gate of Kiev
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Night on Bald Mountain
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by artist: Igor Markevitch
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popularity: 2
genre: classical
genre: late-romantic-era
genre: early-modern-classical
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T06:58:00Z
audio: Night on Bald Mountain
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T19:53:13Z
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track: Manfred Symphony, Op. 58, TH 28: 1. Lento lugubre - Moderato con moto - Andante
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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Berlioz: Le damnation de faust (1959)
type: MusicAlbum
date published: 2015-07-01

Berlioz, Mussorgsky & Mozart: Orchestral Works
type: MusicAlbum
date published: 2015-07-01

Haydn : La Création
type: MusicAlbum
date published: 2015-02-23
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-29T19:35:34Z
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track: La Création, Hob. XXI:2, Pt. 1 : Récitatif. "Und Gott sah das Licht"
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: La Création, Hob. XXI:2, Pt. 1 : Aria. "Nun schwanden vor dem heiligen Strahle"
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track: La Création, Hob. XXI:2, Pt. 1 : Récitatif. "Und Gott machte das Firmament"
track: La Création, Hob. XXI:2, Pt. 1 : Mit Staunen sieht das Wunderwerk
track: La Création, Hob. XXI:2, Pt. 1 : Récitatif. " Und Gott sprach, Es sammle sich das Wasser
track: La Création, Hob. XXI:2, Pt. 1 : Aria. "Rollend in schäumenden Wellen"
track: La Création, Hob. XXI:2, Pt. 1 : Aria. "Nun beut die Flur das frische Grün"
track: La Création, Hob. XXI:2, Pt. 1 : Choeur. "Stimmt an die Saiten"
track: La Création, Hob. XXI:2, Pt. 1 : Récitatif. "Und Gott sprach. Es sei'n Lichter an der Feste des Himmels"
track: La Création, Hob. XXI:2, Pt. 1 : Récitatif. "In vollem Glanze steiget jetzt die Sonne"
track: La Création, Hob. XXI:2, Pt. 1 : "Die Himmel erzählen die Ehre Gottes"
track: La Création, Hob. XXI:2, Pt. 2 : Aria. "Auf starkem Fittiche schwinget sich der Alder stolz"
track: La Création, Hob. XXI:2, Pt. 2 : Récitatif. "Und Gott schuf grosse Walfische"
track: La Création, Hob. XXI:2, Pt. 2 : In holder Anmut stehn & No. 19, Der Herr ist gross in seiner Macht
track: La Création, Hob. XXI:2, Pt. 2 : Récitatif. "Gleich öffnet sich der Erde Schoss"
track: La Création, Hob. XXI:2, Pt. 2 : Aria. "Mit Würd und Hoheit angetan"
track: La Création, Hob. XXI:2, Pt. 2 : Récitatif. "Und Gott schuf den Menschen"
track: La Création, Hob. XXI:2, Pt. 2 : Récitatif. "Und Gott sah jedes Ding"
track: La Création, Hob. XXI:2, Pt. 2 : "Vollendet ist das grosse Werk", No. 27, "Zu dir, o Herr, blickt alles auf" & No. 28, "Vollendet ist das grosse Werk"
track: La Création, Hob. XXI:2, Pt. 3 : Récitatif. "Aus Rosenwolken bricht"
track: La Création, Hob. XXI:2, Pt. 3 : "Von deiner Güt, o Herr und Gott"
track: La Création, Hob. XXI:2, Pt. 3 : "Singt dem Herren alle Stimmen!"

OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX211501003

OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x710d2b23d72c6630a9d2c89e45241cb095b0bb84842f732aea7e4cad3e8419d9. 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/FRX211501003.
date published: 2026-07-08T03:20:19Z

La Création, Hob. XXI:2, Pt. 1 : Aria. "Nun schwanden vor dem heiligen Strahle"
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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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La Création, Hob. XXI:2, Pt. 1 : Récitatif. "Und Gott machte das Firmament"
type: MusicRecording
duration: PT1M55S
duration ms: 115306
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by artist: Joseph Haydn
by artist: Berliner Philharmoniker
by artist: Igor Markevitch
by artist: Kim Borg
in album: Haydn : La Création
  type: MusicAlbum
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isrc code: FRX211501004
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX211501004
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:53:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:53:07Z
audio: La Création, Hob. XXI:2, Pt. 1 : Récitatif. "Und Gott machte das Firmament"
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La Création, Hob. XXI:2, Pt. 1 : Mit Staunen sieht das Wunderwerk
type: MusicRecording
duration: PT1M58S
duration ms: 118493
explicit: false
by artist: Joseph Haydn
by artist: Berliner Philharmoniker
by artist: Igor Markevitch
by artist: Choeur de la Cathédrale Sainte Edwige
by artist: Irmgard Seefried
in album: Haydn : La Création
  type: MusicAlbum
  date published: 2015-02-23
isrc code: FRX211501005
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX211501005
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28f6b0974151a603772d1bb4249df3d5d2a06973ae2e12569aacaaf531fc772e. 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/FRX211501005.
  date published: 2026-07-08T03:20:19Z
audio: La Création, Hob. XXI:2, Pt. 1 : Mit Staunen sieht das Wunderwerk
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La Création, Hob. XXI:2, Pt. 1 : Récitatif. " Und Gott sprach, Es sammle sich das Wasser
type: MusicRecording
duration: PT0M54S
duration ms: 54413
explicit: false
by artist: Joseph Haydn
by artist: Berliner Philharmoniker
by artist: Igor Markevitch
by artist: Kim Borg
in album: Haydn : La Création
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  date published: 2015-02-23
isrc code: FRX211501006
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4b040790c799d12d09b9131ebc56bcba24e4e146670328eeced6087e6f09eac. 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/FRX211501006.
  date published: 2026-07-08T03:22:41Z
audio: La Création, Hob. XXI:2, Pt. 1 : Récitatif. " Und Gott sprach, Es sammle sich das Wasser
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La Création, Hob. XXI:2, Pt. 1 : Aria. "Rollend in schäumenden Wellen"
type: MusicRecording
duration: PT3M42S
duration ms: 222586
explicit: false
by artist: Joseph Haydn
by artist: Berliner Philharmoniker
by artist: Igor Markevitch
by artist: Kim Borg
in album: Haydn : La Création
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isrc code: FRX211501007
additional property: CopyrightID
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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: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: La Création, Hob. XXI:2, Pt. 1 : Aria. "Rollend in schäumenden Wellen"
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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La Création, Hob. XXI:2, Pt. 1 : Aria. "Nun beut die Flur das frische Grün"
type: MusicRecording
duration: PT5M9S
duration ms: 309240
explicit: false
by artist: Joseph Haydn
by artist: Berliner Philharmoniker
by artist: Igor Markevitch
by artist: Irmgard Seefried
in album: Haydn : La Création
  type: MusicAlbum
  date published: 2015-02-23
isrc code: FRX211501009
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/960381
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX211501009
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T09:50:11Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39f4cb1fe3547d652eae138e713cd4f99e4b281d782fb58a0c61bf6891918294. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/FRX211501009.
  date published: 2026-07-31T09:50:11Z
audio: La Création, Hob. XXI:2, Pt. 1 : Aria. "Nun beut die Flur das frische Grün"
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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La Création, Hob. XXI:2, Pt. 1 : Choeur. "Stimmt an die Saiten"
type: MusicRecording
duration: PT2M12S
duration ms: 132026
explicit: false
by artist: Joseph Haydn
by artist: Berliner Philharmoniker
by artist: Igor Markevitch
by artist: Choeur de la Cathédrale Sainte Edwige
in album: Haydn : La Création
  type: MusicAlbum
  date published: 2015-02-23
isrc code: FRX211501011
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x67ce624fc33537ff87909196af3199777926fc69c820c558be32dcef3cf16b4e
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 960348
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960348
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX211501011
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T05:17:02Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T05:17:02Z
audio: La Création, Hob. XXI:2, Pt. 1 : Choeur. "Stimmt an die Saiten"
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La Création, Hob. XXI:2, Pt. 1 : Récitatif. "Und Gott sprach. Es sei'n Lichter an der Feste des Himmels"
type: MusicRecording
duration: PT0M37S
duration ms: 37840
explicit: false
by artist: Joseph Haydn
by artist: Berliner Philharmoniker
by artist: Igor Markevitch
by artist: Richard Holm
in album: Haydn : La Création
  type: MusicAlbum
  date published: 2015-02-23
isrc code: FRX211501012
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
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX211501012
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd091229ee5c9bb395d4c0fca0e2f6410c00d45b056bc9dc747ab1cb462fb2ff6. 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/FRX211501012.
  date published: 2026-07-08T03:20:19Z
audio: La Création, Hob. XXI:2, Pt. 1 : Récitatif. "Und Gott sprach. Es sei'n Lichter an der Feste des Himmels"
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La Création, Hob. XXI:2, Pt. 1 : Récitatif. "In vollem Glanze steiget jetzt die Sonne"
type: MusicRecording
duration: PT3M4S
duration ms: 184346
explicit: false
by artist: Joseph Haydn
by artist: Berliner Philharmoniker
by artist: Igor Markevitch
by artist: Richard Holm
in album: Haydn : La Création
  type: MusicAlbum
  date published: 2015-02-23
isrc code: FRX211501013
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX211501013
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:51:48Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a5051640b834da8402750f3c2842ea6309f52db32df861b1987076a7e5eab3d. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/FRX211501013.
  date published: 2026-07-31T02:51:48Z
audio: La Création, Hob. XXI:2, Pt. 1 : Récitatif. "In vollem Glanze steiget jetzt die Sonne"
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La Création, Hob. XXI:2, Pt. 1 : "Die Himmel erzählen die Ehre Gottes"
type: MusicRecording
duration: PT4M21S
duration ms: 261105
explicit: false
by artist: Joseph Haydn
by artist: Berliner Philharmoniker
by artist: Igor Markevitch
by artist: Choeur de la Cathédrale Sainte Edwige
by artist: Irmgard Seefried
by artist: Richard Holm
by artist: Kim Borg
in album: Haydn : La Création
  type: MusicAlbum
  date published: 2015-02-23
isrc code: FRX211501014
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x75950726fc7220da1f4391bd68fdc483e5d1da2def3cafd62be662e51b6a2af3
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX211501014
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T03:15:04Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75950726fc7220da1f4391bd68fdc483e5d1da2def3cafd62be662e51b6a2af3. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), 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/FRX211501014.
  date published: 2026-07-31T03:15:04Z
audio: La Création, Hob. XXI:2, Pt. 1 : "Die Himmel erzählen die Ehre Gottes"
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La Création, Hob. XXI:2, Pt. 2 : Aria. "Auf starkem Fittiche schwinget sich der Alder stolz"
type: MusicRecording
duration: PT7M21S
duration ms: 441946
explicit: false
by artist: Joseph Haydn
by artist: Berliner Philharmoniker
by artist: Igor Markevitch
by artist: Irmgard Seefried
in album: Haydn : La Création
  type: MusicAlbum
  date published: 2015-02-23
isrc code: FRX211501016
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/FRX211501016
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe474e652af9a192d06e8404a8a3815db00a393e6c9704411b18d1164c5835be8. 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/FRX211501016.
  date published: 2026-07-08T03:20:19Z
audio: La Création, Hob. XXI:2, Pt. 2 : Aria. "Auf starkem Fittiche schwinget sich der Alder stolz"
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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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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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La Création, Hob. XXI:2, Pt. 2 : Récitatif. "Und Gott schuf grosse Walfische"
type: MusicRecording
duration: PT2M19S
duration ms: 139613
explicit: false
by artist: Joseph Haydn
by artist: Berliner Philharmoniker
by artist: Igor Markevitch
by artist: Kim Borg
in album: Haydn : La Création
  type: MusicAlbum
  date published: 2015-02-23
isrc code: FRX211501017
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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  value: https://explorer.copyrightchains.com/tx/0xf11cf2bb699253eaceafccb12a7656e9dec5caf3fa79162e8287a27006d0e527
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/FRX211501017
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf11cf2bb699253eaceafccb12a7656e9dec5caf3fa79162e8287a27006d0e527. 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/FRX211501017.
  date published: 2026-07-08T03:20:19Z
audio: La Création, Hob. XXI:2, Pt. 2 : Récitatif. "Und Gott schuf grosse Walfische"
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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    type: PropertyValue
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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: Valence (Positivity)
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La Création, Hob. XXI:2, Pt. 2 : In holder Anmut stehn & No. 19, Der Herr ist gross in seiner Macht
type: MusicRecording
duration: PT6M55S
duration ms: 415360
explicit: false
by artist: Joseph Haydn
by artist: Berliner Philharmoniker
by artist: Igor Markevitch
by artist: Choeur de la Cathédrale Sainte Edwige
by artist: Irmgard Seefried
by artist: Richard Holm
by artist: Kim Borg
in album: Haydn : La Création
  type: MusicAlbum
  date published: 2015-02-23
isrc code: FRX211501019
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbc12a34e527384d984cc661e701e108ee5b1011798dda35c65983c1fbcaaa0c6
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/FRX211501019
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc12a34e527384d984cc661e701e108ee5b1011798dda35c65983c1fbcaaa0c6. 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/FRX211501019.
  date published: 2026-07-08T03:20:19Z
audio: La Création, Hob. XXI:2, Pt. 2 : In holder Anmut stehn & No. 19, Der Herr ist gross in seiner Macht
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  additional property: Musical Key
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  additional property: Time Signature
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    value: 5
  additional property: Danceability
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    value: 0.296
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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La Création, Hob. XXI:2, Pt. 2 : Récitatif. "Gleich öffnet sich der Erde Schoss"
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duration: PT3M8S
duration ms: 188800
explicit: false
by artist: Joseph Haydn
by artist: Berliner Philharmoniker
by artist: Igor Markevitch
by artist: Kim Borg
in album: Haydn : La Création
  type: MusicAlbum
  date published: 2015-02-23
isrc code: FRX211501021
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:57:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9cba83bdd958e45f2591e30bebba38487fccab986f61f2dc8891eaff65621d5f
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/FRX211501021
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cba83bdd958e45f2591e30bebba38487fccab986f61f2dc8891eaff65621d5f. 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/FRX211501021.
  date published: 2026-07-08T03:20:19Z
audio: La Création, Hob. XXI:2, Pt. 2 : Récitatif. "Gleich öffnet sich der Erde Schoss"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.085
  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: 0.431
  additional property: Energy
    type: PropertyValue
    value: 0.122
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.161
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.161
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.866
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Création, Hob. XXI:2, Pt. 2 : Aria. "Mit Würd und Hoheit angetan"
type: MusicRecording
duration: PT3M39S
duration ms: 219880
explicit: false
by artist: Joseph Haydn
by artist: Berliner Philharmoniker
by artist: Igor Markevitch
by artist: Kim Borg
in album: Haydn : La Création
  type: MusicAlbum
  date published: 2015-02-23
isrc code: FRX211501022
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:36:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd958d02d86ecc886bc2204551ef5de1c45977375658d0505177fc7bf9592c9fb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960427
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960427
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX211501022
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:59:18Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd958d02d86ecc886bc2204551ef5de1c45977375658d0505177fc7bf9592c9fb. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/FRX211501022.
  date published: 2026-07-31T15:59:18Z
audio: La Création, Hob. XXI:2, Pt. 2 : Aria. "Mit Würd und Hoheit angetan"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.071
  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: 0.346
  additional property: Energy
    type: PropertyValue
    value: 0.249
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.146
  additional property: Liveness
    type: PropertyValue
    value: 0.259
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.294
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.051
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Création, Hob. XXI:2, Pt. 2 : Récitatif. "Und Gott schuf den Menschen"
type: MusicRecording
duration: PT0M47S
duration ms: 47653
explicit: false
by artist: Joseph Haydn
by artist: Berliner Philharmoniker
by artist: Igor Markevitch
by artist: Richard Holm
in album: Haydn : La Création
  type: MusicAlbum
  date published: 2015-02-23
isrc code: FRX211501023
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:31:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x87fc0a19b2d6414d19130f3a6efa47eb6f2303b1f8fd932f8f2af4a71233d6d7
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/FRX211501023
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87fc0a19b2d6414d19130f3a6efa47eb6f2303b1f8fd932f8f2af4a71233d6d7. 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/FRX211501023.
  date published: 2026-07-08T03:22:41Z
audio: La Création, Hob. XXI:2, Pt. 2 : Récitatif. "Und Gott schuf den Menschen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.911
  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: 0.371
  additional property: Energy
    type: PropertyValue
    value: 0.015
  additional property: Speechiness
    type: PropertyValue
    value: 0.087
  additional property: Acousticness
    type: PropertyValue
    value: 0.943
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.133
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.653
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Création, Hob. XXI:2, Pt. 2 : Récitatif. "Und Gott sah jedes Ding"
type: MusicRecording
duration: PT0M35S
duration ms: 35666
explicit: false
by artist: Joseph Haydn
by artist: Berliner Philharmoniker
by artist: Igor Markevitch
by artist: Kim Borg
in album: Haydn : La Création
  type: MusicAlbum
  date published: 2015-02-23
isrc code: FRX211501025
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-08-01T00:39:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3dda1ac6b7d80f7a1e2a8ff88355fac1395da89c9343e203751747da5112cd43
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960494
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960494
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX211501025
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T01:44:32Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dda1ac6b7d80f7a1e2a8ff88355fac1395da89c9343e203751747da5112cd43. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/FRX211501025.
  date published: 2026-08-01T01:44:32Z
audio: La Création, Hob. XXI:2, Pt. 2 : Récitatif. "Und Gott sah jedes Ding"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.496
  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: 0.489
  additional property: Energy
    type: PropertyValue
    value: 0.05
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.414
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.742
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Création, Hob. XXI:2, Pt. 2 : "Vollendet ist das grosse Werk", No. 27, "Zu dir, o Herr, blickt alles auf" & No. 28, "Vollendet ist das grosse Werk"
type: MusicRecording
duration: PT8M29S
duration ms: 509093
explicit: false
by artist: Joseph Haydn
by artist: Berliner Philharmoniker
by artist: Igor Markevitch
by artist: Choeur de la Cathédrale Sainte Edwige
by artist: Kim Borg
by artist: Richard Holm
by artist: Irmgard Seefried
in album: Haydn : La Création
  type: MusicAlbum
  date published: 2015-02-23
isrc code: FRX211501026
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:06:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xba1d64a7def7d2f981b84058ecbb12235fedb068e70c87022ee1069e8d7d1aab
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/FRX211501026
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba1d64a7def7d2f981b84058ecbb12235fedb068e70c87022ee1069e8d7d1aab. 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/FRX211501026.
  date published: 2026-07-08T03:22:41Z
audio: La Création, Hob. XXI:2, Pt. 2 : "Vollendet ist das grosse Werk", No. 27, "Zu dir, o Herr, blickt alles auf" & No. 28, "Vollendet ist das grosse Werk"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.943
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.308
  additional property: Energy
    type: PropertyValue
    value: 0.286
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.098
  additional property: Liveness
    type: PropertyValue
    value: 0.131
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.236
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.68
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Création, Hob. XXI:2, Pt. 3 : Récitatif. "Aus Rosenwolken bricht"
type: MusicRecording
duration: PT4M37S
duration ms: 277280
explicit: false
by artist: Joseph Haydn
by artist: Berliner Philharmoniker
by artist: Igor Markevitch
by artist: Richard Holm
in album: Haydn : La Création
  type: MusicAlbum
  date published: 2015-02-23
isrc code: FRX211501027
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T16:28:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb20d8a70df3f7c8bfb73ad6ee8fd10b0c307aaaecb43372ab45e70f0f9bd3e43
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960441
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960441
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX211501027
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb20d8a70df3f7c8bfb73ad6ee8fd10b0c307aaaecb43372ab45e70f0f9bd3e43. 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/FRX211501027.
  date published: 2026-07-31T17:29:52Z
audio: La Création, Hob. XXI:2, Pt. 3 : Récitatif. "Aus Rosenwolken bricht"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.484
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.213
  additional property: Energy
    type: PropertyValue
    value: 0.02
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.562
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Création, Hob. XXI:2, Pt. 3 : "Von deiner Güt, o Herr und Gott"
type: MusicRecording
duration: PT10M23S
duration ms: 623173
explicit: false
by artist: Joseph Haydn
by artist: Berliner Philharmoniker
by artist: Igor Markevitch
by artist: Choeur de la Cathédrale Sainte Edwige
by artist: Irmgard Seefried
by artist: Kim Borg
in album: Haydn : La Création
  type: MusicAlbum
  date published: 2015-02-23
isrc code: FRX211501028
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T02:17:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc83871bde156cfd88e5ef4ca1f0e6dbd0307cf642f49bb09f9cf9b74841dcd89
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960337
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960337
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX211501028
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:51:48Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
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  date published: 2026-07-31T02:51:48Z
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La Création, Hob. XXI:2, Pt. 3 : "Singt dem Herren alle Stimmen!"
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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: 2026-07-08T03:20:19Z
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    date published: 2026-07-31T23:51:35Z
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date published: 2026-08-01T00:10:46Z

The Seasons, Op. 37a: No. 10, October. Autumn Song
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Beethoven & Gluck: Orchestral Works
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Markevitch Conducts Verdi, Brahms, Mussorgsky, Stravinsky and Others
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Modest Mussorgsky: Russian Songs, Pictures at an Exhibition - Igor Stravinsky: Symphony of Psalms
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Igor Markevitch Conducts Richard Wagner and Claude Debussy
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Manuel de Falla: Noches en los jardines de España, El sombrero de tres picos & La vida breve (interludio y danza No. 1)
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Gieseking plays Mozart (1944-1955)
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Tchaikovsky: Symphony No. 6; Francesca da Rimini (Igor Markevitch – The Deutsche Grammophon Legacy: Volume 13)
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Bizet: Carmen & L'Arlésienne Suites Nos. 1 & 2
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MARKEVITCH conducts "EROICA" (Remastered in 2026)
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subject of: OpenTimestamps Proof of Existence
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Swan Lake, Ballet suite, Op. 20
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Prélude à l'après-midi d'un faune, L. 86
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