Trio Wanderer
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genre: chamber music
genre: classical
description: The Trio Wanderer is a French piano trio made up of Vincent Coq, piano, Jean-Marc Phillips-Varjabédian, violin, and Raphaël Pidoux, cello, who graduated from the Conservatoire de Paris. In 1988 they w
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subject of: OpenTimestamps Proof of Existence
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-02T03:30:09Z
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-02T03:55:08Z
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  track: Piano Quartet No. 1 in C Minor, Op. 15: III. Adagio
  track: Piano Quartet No. 1 in C Minor, Op. 15: IV. Finale (Allegro molto)
  track: Piano Quartet No. 2 in G Minor, Op. 45: I. Allegro molto moderato
album: Bruno mantovani
album: César Franck: Violin Sonata, Piano Trio No.1 & Piano Quintet - Vierne: Piano Quintet
album: Beethoven: Piano Trios No. 5 "Ghost", No. 7 "Archduke" & Triple Concerto
album: Robert Schumann: Complete Piano Trios, Quartet & Quintet
album: Shostakovich: Piano Quintet & Seven Romances on Poems by Alexander Blok
album: Rachmaninov: Piano Trios
album: Haydn: Piano Trios Nos. 27, 32, 35, 40 & 41
album: Dvořák: Piano Trios Op. 65 & 90
album: Debussy, Chausson & Emmanuel: Chamber Works
album: Brahms: Piano Quartet Op. 60 & Piano Trio Op. 8
album: Fauré & Pierné: Piano Trios
album: Tchaikovsky & Arensky: Piano Trios
album: Musique d'Abord 2013
album: Beethoven: Complete Piano Trios
album: Shostakovich: Trios, Op. 8 & 67
album: Smetana & Liszt: Piano Trios
album: The Pulse of an Irishman - Songs from the British Isles
album: Haydn: Piano Trios Nos. 39 "Gypsy" & 43-45
album: Messiaen: Quatuor pour la fin du temps
album: Schubert: Piano Trios Nos. 1 & 2; Notturno; Sonatensatz
album: Ravel & Chausson: Piano Trios
album: Mendelssohn: Piano Trios
album: Brahms: Complete Piano Trios
album: Saint Saëns: Trios pour piano
album: Schubert: Trout Quintet / Hummel: Piano Quintet in E-Flat Major
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album: Vierne: Piano Quintet Op. 42: III. Maestoso - Agitato - Allegro molto risoluto
album: César Franck: Piano Quintet FW 7: II. Lento con molto sentimento
album: Schumann: Piano Trio No. 1: III. Langsam, mit inniger Empfindung
album: Schumann: Piano Quartet: III. Andante cantabile
album: Dvořák: Piano Trio No. 4 "Dumky"
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album: harmonia mundi autumn winter 2014
album: Souvenirs de l'opus 26 Live (Medley de l'Opus 26)
album: This is harmonia mundi 2018
album: Romantic: Greatest Masterworks of the 19th Century
album: Schubert: Musique de chambre - La discothèque idéale de Diapason, Vol. 9
album: harmonia mundi spring-summer 2017
album: Martinu, B.: Concertino for Piano Trio and String Orchestra, H. 231 and 232 / Rhapsody-Concerto / Memorial To Lidice

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Piano Quartet No. 1 in C Minor, Op. 15: III. Adagio
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Piano Quartet No. 1 in C Minor, Op. 15: IV. Finale (Allegro molto)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Piano Quartet No. 2 in G Minor, Op. 45: I. Allegro molto moderato
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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César Franck: Violin Sonata, Piano Trio No.1 & Piano Quintet - Vierne: Piano Quintet
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Beethoven: Piano Trios No. 5 "Ghost", No. 7 "Archduke" & Triple Concerto
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Robert Schumann: Complete Piano Trios, Quartet & Quintet
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Shostakovich: Piano Quintet & Seven Romances on Poems by Alexander Blok
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Rachmaninov: Piano Trios
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Haydn: Piano Trios Nos. 27, 32, 35, 40 & 41
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Dvořák: Piano Trios Op. 65 & 90
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Debussy, Chausson & Emmanuel: Chamber Works
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Brahms: Piano Quartet Op. 60 & Piano Trio Op. 8
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T06:56:49Z
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Tchaikovsky & Arensky: Piano Trios
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Musique d'Abord 2013
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Beethoven: Complete Piano Trios
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Piano Trio No. 1 in E-Flat Major, Op. 1: III. Scherzo (Allegro assai)
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subject of: OpenTimestamps Proof of Existence
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Piano Trio No. 1 in E-Flat Major, Op. 1: IV. Finale (Presto)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
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Piano Trio No. 3 in C minor, Op. 1: IV. Finale (Prestissimo)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T19:53:36Z
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Piano Trio No. 2 in G Major, Op. 1: I. Adagio - Allegro vivace
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
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Shostakovich: Trios, Op. 8 & 67
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Smetana & Liszt: Piano Trios
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The Pulse of an Irishman - Songs from the British Isles
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date published: 2009-11-01

Haydn: Piano Trios Nos. 39 "Gypsy" & 43-45
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  subject of: OpenTimestamps Proof of Existence
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track: Piano Trio No. 39 in G Major, Hob. XV: 25 'Gypsy": I. Andante
track: Piano Trio No. 39 in G Major, Hob. XV: 25 'Gypsy": II. Poco adagio
track: Piano Trio No. 39 in G Major, Hob. XV: 25 'Gypsy": III. Rondo 'in the Gipsies' stile' (Presto)

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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 0x03c26e8687a4a17e336de7894acf4338430607d428eff059593736cf4f5a1f53. 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/FRZ330103080.
date published: 2026-07-02T03:55:08Z

Piano Trio No. 45 in E-Flat Major, Hob. XV: 29: II. Andantino ed innocentemente
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 120.513
additional property: Musical Key
  type: PropertyValue
  value: 11
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.232
additional property: Energy
  type: PropertyValue
  value: 0.021
additional property: Speechiness
  type: PropertyValue
  value: 0.043
additional property: Acousticness
  type: PropertyValue
  value: 0.983
additional property: Instrumentalness
  type: PropertyValue
  value: 0.836
additional property: Liveness
  type: PropertyValue
  value: 0.126
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.084
additional property: Loudness (dB)
  type: PropertyValue
  value: -30.783
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Major

Piano Trio No. 39 in G Major, Hob. XV: 25 'Gypsy": I. Andante
type: MusicRecording
duration: PT5M56S
duration ms: 356733
explicit: false
by artist: Joseph Haydn
by artist: Trio Wanderer
in album: Haydn: Piano Trios Nos. 39 "Gypsy" & 43-45
  type: MusicAlbum
  date published: 2009-04-21
isrc code: FRZ330103100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T13:19:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3d503bbd4252fabc7c42fd07f33f05dd9d29be4327af4b8d8b98b2f414ea09d2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ330103100
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d503bbd4252fabc7c42fd07f33f05dd9d29be4327af4b8d8b98b2f414ea09d2. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ330103100.
  date published: 2026-06-13T13:32:09Z
audio: Piano Trio No. 39 in G Major, Hob. XV: 25 'Gypsy": I. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.145
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.344
  additional property: Energy
    type: PropertyValue
    value: 0.061
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.59
  additional property: Liveness
    type: PropertyValue
    value: 0.117
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.508
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.096
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Piano Trio No. 39 in G Major, Hob. XV: 25 'Gypsy": II. Poco adagio
type: MusicRecording
duration: PT5M7S
duration ms: 307066
explicit: false
by artist: Joseph Haydn
by artist: Trio Wanderer
in album: Haydn: Piano Trios Nos. 39 "Gypsy" & 43-45
  type: MusicAlbum
  date published: 2009-04-21
isrc code: FRZ330103110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T18:51:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3138d71779563dce53f4ca6b9bcf99edafd8d83641879681151b5a5e6a98ddd7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ330103110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3138d71779563dce53f4ca6b9bcf99edafd8d83641879681151b5a5e6a98ddd7. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ330103110.
  date published: 2026-07-02T03:30:09Z
audio: Piano Trio No. 39 in G Major, Hob. XV: 25 'Gypsy": II. Poco adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.232
  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: 0.183
  additional property: Energy
    type: PropertyValue
    value: 0.026
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.866
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.158
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.379
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Piano Trio No. 39 in G Major, Hob. XV: 25 'Gypsy": III. Rondo 'in the Gipsies' stile' (Presto)
type: MusicRecording
duration: PT3M2S
duration ms: 182133
explicit: false
by artist: Joseph Haydn
by artist: Trio Wanderer
in album: Haydn: Piano Trios Nos. 39 "Gypsy" & 43-45
  type: MusicAlbum
  date published: 2009-04-21
isrc code: FRZ330103120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T05:42:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe92d59943a298f04c1e8a1d16f1962eb7499ad4d8b3498ae9891d3ce3f17fa1d
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/FRZ330103120
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 0xe92d59943a298f04c1e8a1d16f1962eb7499ad4d8b3498ae9891d3ce3f17fa1d. 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/FRZ330103120.
  date published: 2026-07-02T03:55:08Z
audio: Piano Trio No. 39 in G Major, Hob. XV: 25 'Gypsy": III. Rondo 'in the Gipsies' stile' (Presto)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 153.873
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.44
  additional property: Energy
    type: PropertyValue
    value: 0.232
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.952
  additional property: Liveness
    type: PropertyValue
    value: 0.117
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.907
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.679
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Messiaen: Quatuor pour la fin du temps
type: MusicAlbum
date published: 2008-06-26

Schubert: Piano Trios Nos. 1 & 2; Notturno; Sonatensatz
type: MusicAlbum
date published: 2008-01-31
track: Piano Trio No. 1 in B-Flat Major, D. 898: I. Allegro moderato
  type: MusicRecording
  duration: PT15M5S
  duration ms: 905706
  explicit: false
  by artist: Franz Schubert
  by artist: Trio Wanderer
  in album: Schubert: Piano Trios Nos. 1 & 2; Notturno; Sonatensatz
    type: MusicAlbum
    date published: 2008-01-31
  genre: classical
  genre: classical-piano
  genre: chamber-music
  isrc code: FRZ140035010
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T02:23:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcbb8eb3c160d0ca4e427fe4419997ad11aa443039e646d93cc4d21723c08939d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140035010
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbb8eb3c160d0ca4e427fe4419997ad11aa443039e646d93cc4d21723c08939d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140035010.
    date published: 2026-07-02T03:30:09Z
  audio: Piano Trio No. 1 in B-Flat Major, D. 898: I. Allegro moderato
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 132.933
    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: 0.366
    additional property: Energy
      type: PropertyValue
      value: 0.101
    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0.976
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.676
    additional property: Liveness
      type: PropertyValue
      value: 0.089
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.175
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.529
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Piano Trio No. 2 in E-Flat Major, D. 929: I. Allegro
  type: MusicRecording
  duration: PT12M18S
  duration ms: 738000
  explicit: false
  by artist: Franz Schubert
  by artist: Trio Wanderer
  in album: Schubert: Piano Trios Nos. 1 & 2; Notturno; Sonatensatz
    type: MusicAlbum
    date published: 2008-01-31
  genre: classical
  genre: classical-piano
  genre: chamber-music
  isrc code: FRZ140036010
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T09:26:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe767063761e960780d10603cdbea4e98da051faa177c9f38fd3f8c062cabea37
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140036010
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe767063761e960780d10603cdbea4e98da051faa177c9f38fd3f8c062cabea37. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140036010.
    date published: 2026-07-02T03:30:09Z
  audio: Piano Trio No. 2 in E-Flat Major, D. 929: I. Allegro
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 159.809
    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: 0.308
    additional property: Energy
      type: PropertyValue
      value: 0.056
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.97
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.34
    additional property: Liveness
      type: PropertyValue
      value: 0.095
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.137
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.275
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Piano Trio No. 1 in B-Flat Major, D. 898: II. Andante un poco mosso
  type: MusicRecording
  duration: PT9M50S
  duration ms: 590480
  explicit: false
  by artist: Franz Schubert
  by artist: Trio Wanderer
  in album: Schubert: Piano Trios Nos. 1 & 2; Notturno; Sonatensatz
    type: MusicAlbum
    date published: 2008-01-31
  genre: classical
  genre: classical-piano
  genre: chamber-music
  isrc code: FRZ140035020
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T06:31:05+00:00
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Piano Trio No. 1 in B-Flat Major, D. 898: II. Andante un poco mosso
track: Piano Trio No. 2 in E-Flat Major, D. 929: II. Andante con moto
track: Piano Trio No. 1 in B-Flat Major, D. 898: III. Scherzo (Allegro) - Trio
track: Piano Trio No. 2 in E-Flat Major, D. 929: III. Allegro moderato
track: Piano Trio No. 1 in B-Flat Major, D. 898: IV. Rondo (Allegro vivace) - Presto
track: Piano Trio No. 2 in E-Flat Major, D. 929: III. Allegro moderato [uncut manuscript version]
track: Notturno in E-Flat Major, D. 897
track: Sonatensatz in B-flat Major, D. 28

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xe0dfd8333a55be8c424fa4e56e284d33c6c97ac1ed5b612ad9aea8038fa410e7

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953520

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/953520

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140035020

OTSTimestamp
type: PropertyValue
value: 2026-06-13T13:32:09Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0dfd8333a55be8c424fa4e56e284d33c6c97ac1ed5b612ad9aea8038fa410e7. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140035020.
date published: 2026-06-13T13:32:09Z

Piano Trio No. 1 in B-Flat Major, D. 898: II. Andante un poco mosso
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
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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)
  type: PropertyValue
  value: 0.076
additional property: Loudness (dB)
  type: PropertyValue
  value: -30.296
additional property: Key Name
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additional property: Mode Name
  type: PropertyValue
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Piano Trio No. 2 in E-Flat Major, D. 929: II. Andante con moto
type: MusicRecording
duration: PT9M45S
duration ms: 585600
explicit: false
by artist: Franz Schubert
by artist: Trio Wanderer
in album: Schubert: Piano Trios Nos. 1 & 2; Notturno; Sonatensatz
  type: MusicAlbum
  date published: 2008-01-31
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: FRZ140036020
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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  value: 2026-06-05T13:20:42+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/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140036020
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91ccd2f1e63ccc8a2c89923904515fa774e6ebf4292bc0113f41353dd9d27ad8. 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/FRZ140036020.
  date published: 2026-06-13T12:47:07Z
audio: Piano Trio No. 2 in E-Flat Major, D. 929: II. Andante con moto
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 101.254
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Piano Trio No. 1 in B-Flat Major, D. 898: III. Scherzo (Allegro) - Trio
type: MusicRecording
duration: PT6M38S
duration ms: 398800
explicit: false
by artist: Franz Schubert
by artist: Trio Wanderer
in album: Schubert: Piano Trios Nos. 1 & 2; Notturno; Sonatensatz
  type: MusicAlbum
  date published: 2008-01-31
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: FRZ140035030
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T18:32:18+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x82e6bf917b2c78ac01b0cb42e8650383f7f506e262708803dfd7d89bdaa40b03
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140035030
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82e6bf917b2c78ac01b0cb42e8650383f7f506e262708803dfd7d89bdaa40b03. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140035030.
  date published: 2026-07-02T03:30:09Z
audio: Piano Trio No. 1 in B-Flat Major, D. 898: III. Scherzo (Allegro) - Trio
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  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.925
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Piano Trio No. 2 in E-Flat Major, D. 929: III. Allegro moderato
type: MusicRecording
duration: PT6M47S
duration ms: 407240
explicit: false
by artist: Franz Schubert
by artist: Trio Wanderer
in album: Schubert: Piano Trios Nos. 1 & 2; Notturno; Sonatensatz
  type: MusicAlbum
  date published: 2008-01-31
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: FRZ140036030
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140036030
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecc92a0f246d29d786d5b052882087a4036e25f7a76008fdc64e26df04856b72. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140036030.
  date published: 2026-07-02T03:30:09Z
audio: Piano Trio No. 2 in E-Flat Major, D. 929: III. Allegro moderato
  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: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.989
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Piano Trio No. 1 in B-Flat Major, D. 898: IV. Rondo (Allegro vivace) - Presto
type: MusicRecording
duration: PT9M5S
duration ms: 545586
explicit: false
by artist: Franz Schubert
by artist: Trio Wanderer
in album: Schubert: Piano Trios Nos. 1 & 2; Notturno; Sonatensatz
  type: MusicAlbum
  date published: 2008-01-31
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: FRZ140035040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T07:06:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc997d7787d7887ad3b9e1ad7bd1a7ccadfd01f8a89aabe5eb8c5fb07ca54e35d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140035040
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc997d7787d7887ad3b9e1ad7bd1a7ccadfd01f8a89aabe5eb8c5fb07ca54e35d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140035040.
  date published: 2026-07-02T03:30:09Z
audio: Piano Trio No. 1 in B-Flat Major, D. 898: IV. Rondo (Allegro vivace) - Presto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.194
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.474
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.652
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.325
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.794
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
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Piano Trio No. 2 in E-Flat Major, D. 929: III. Allegro moderato [uncut manuscript version]
type: MusicRecording
duration: PT13M28S
duration ms: 808706
explicit: false
by artist: Franz Schubert
by artist: Trio Wanderer
in album: Schubert: Piano Trios Nos. 1 & 2; Notturno; Sonatensatz
  type: MusicAlbum
  date published: 2008-01-31
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: FRZ140036040
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
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140036040
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87b2255ab6ed5572c9bf3cf6b13385f3dbaafe3446646d66f07deb21e2eab795. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140036040.
  date published: 2026-07-02T03:30:09Z
audio: Piano Trio No. 2 in E-Flat Major, D. 929: III. Allegro moderato [uncut manuscript version]
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.549
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.472
  additional property: Energy
    type: PropertyValue
    value: 0.126
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  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
    value: 0.297
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.286
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Notturno in E-Flat Major, D. 897
type: MusicRecording
duration: PT8M53S
duration ms: 533120
explicit: false
by artist: Franz Schubert
by artist: Trio Wanderer
in album: Schubert: Piano Trios Nos. 1 & 2; Notturno; Sonatensatz
  type: MusicAlbum
  date published: 2008-01-31
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: FRZ140035050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T03:37:46+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/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140035050
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x540453d5cd0ebfee280690085c15c183d97f05124aed99cb8996f0d32be76350. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140035050.
  date published: 2026-07-02T03:30:09Z
audio: Notturno in E-Flat Major, D. 897
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.814
  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: 0.178
  additional property: Energy
    type: PropertyValue
    value: 0.021
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.285
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.069
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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    value: Bb
  additional property: Mode Name
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Sonatensatz in B-flat Major, D. 28
type: MusicRecording
duration: PT7M22S
duration ms: 442440
explicit: false
by artist: Franz Schubert
by artist: Trio Wanderer
in album: Schubert: Piano Trios Nos. 1 & 2; Notturno; Sonatensatz
  type: MusicAlbum
  date published: 2008-01-31
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: FRZ140036050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140036050
additional property: OTSTimestamp
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Ravel & Chausson: Piano Trios
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date published: 2007-11-06

Mendelssohn: Piano Trios
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Brahms: Complete Piano Trios
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Saint Saëns: Trios pour piano
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Schubert: Trout Quintet / Hummel: Piano Quintet in E-Flat Major
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Ludwig van Beethoven: Triple Concerto op.56
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Vierne: Piano Quintet Op. 42: III. Maestoso - Agitato - Allegro molto risoluto
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date published: 2023-05-12

César Franck: Piano Quintet FW 7: II. Lento con molto sentimento
type: MusicAlbum
date published: 2023-04-28

Schumann: Piano Trio No. 1: III. Langsam, mit inniger Empfindung
type: MusicAlbum
date published: 2021-04-02

Schumann: Piano Quartet: III. Andante cantabile
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date published: 2021-03-26

Dvořák: Piano Trio No. 4 "Dumky"
type: MusicAlbum
date published: 2017-01-27

Shostakovich: Piano Trios Op. 8 & 67
type: MusicAlbum
date published: 2004

harmonia mundi autumn winter 2014
type: MusicAlbum
date published: 2014-07-07

Souvenirs de l'opus 26 Live (Medley de l'Opus 26)
type: MusicAlbum
date published: 2012-12-17

This is harmonia mundi 2018
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date published: 2018-05-25

Romantic: Greatest Masterworks of the 19th Century
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date published: 2011-11-01

Schubert: Musique de chambre - La discothèque idéale de Diapason, Vol. 9
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date published: 2017-04-28

harmonia mundi spring-summer 2017
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date published: 2017-02-17

Martinu, B.: Concertino for Piano Trio and String Orchestra, H. 231 and 232 / Rhapsody-Concerto / Memorial To Lidice
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