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description: thumb|alt=slender, middle-aged man, clean-shaven with full head of hair, seen in profile|Ravel in 1925 Joseph Maurice Ravel (7 March 1875 – 28 December 1937) was a French composer, pianist and conduc
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  track: Schubert: 6 Moments musicaux, Op. 94, D. 780: No. 3 in F Minor
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album: Great Piano Transcriptions from the Golden Age, Vol. 3
album: A Winter Journey
album: Mirages. Hidden Treasures of Classical Piano
album: Thomas Quasthoff in Verbier - Vol. II / Live
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album: Antonio Pappano & Friends
album: Klassische Musik für den Sommer - Über das Meer
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album: Royal Philharmonic Orchestra - French Music. Debussy, Ravel, Saint-Saëns...
album: His Erato Recordings
album: The Sound of Simon Rattle and the Berliner Philharmoniker
album: Ravel: Complete Solo Piano Music, Vol. 3
album: WAVES: Music by Rameau, Ravel, Alkan
album: Ravel: Daphnis et Chloé (Complete Ballet)
album: Ravel: L'Œuvre pour piano
album: Ravel: Piano Concerto in G Major, M. 83 & Piano Concerto for the Left Hand in D Major, M. 82 (Remastered 2023)
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album: Poétiques de l'instant II: Ravel & Mantovani
album: Christian Ferras Plays French Music: Debussy, Ravel, Fauré, Chausson...
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Miroirs, M. 43: No. 4, Alborada del gracioso
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Miroirs, M. 43: No. 5, La vallée des cloches
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Chopin: Berceuse in D-Flat Major, Op. 57
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Prokofiev: Tales of an Old Grandmother, Op. 31: No. 1, Moderato
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Rachmaninov: 13 Preludes, Op. 32: No. 5 in G Major
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa66f9dd7bd396085bb11bd29a422cb61d4a38384e26a227969e63d3a988b24e0. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0501765.
date published: 2026-07-08T03:53:27Z

Vivaldi: Flute Concerto in D Major, Op. 10 No. 3, RV 428 "Il gardellino": II. Cantabile
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 122.404
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: 0.32
additional property: Energy
  type: PropertyValue
  value: 0.034
additional property: Speechiness
  type: PropertyValue
  value: 0.045
additional property: Acousticness
  type: PropertyValue
  value: 0.955
additional property: Instrumentalness
  type: PropertyValue
  value: 0.004
additional property: Liveness
  type: PropertyValue
  value: 0.084
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.156
additional property: Loudness (dB)
  type: PropertyValue
  value: -26.874
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

Vivaldi: Flute Concerto in D Major, Op. 10 No. 3, RV 428 "Il gardellino": III. Allegro
type: MusicRecording
duration: PT2M52S
duration ms: 172746
explicit: false
by artist: Antonio Vivaldi
by artist: Emmanuel Pahud
by artist: Australian Chamber Orchestra
by artist: Richard Tognetti
in album: Klassische Musik zum Frühling. Vogel-Konzert
  type: MusicAlbum
  date published: 2023-03-21
isrc code: GBAYC0501766
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T06:13:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0fe3440afe64275e712f002a374cc97478959271c76e3ac99232c745a73b096a
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/GBAYC0501766
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fe3440afe64275e712f002a374cc97478959271c76e3ac99232c745a73b096a. 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/GBAYC0501766.
  date published: 2026-07-08T03:20:19Z
audio: Vivaldi: Flute Concerto in D Major, Op. 10 No. 3, RV 428 "Il gardellino": III. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.223
  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: 0.516
  additional property: Energy
    type: PropertyValue
    value: 0.11
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.727
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.657
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.079
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Saint-Saëns: Le carnaval des animaux: XIII. Le cygne
type: MusicRecording
duration: PT3M5S
duration ms: 185080
explicit: false
by artist: Camille Saint-Saëns
by artist: Gautier Capuçon
by artist: Frank Braley
by artist: Michel Dalberto
in album: Klassische Musik zum Frühling. Vogel-Konzert
  type: MusicAlbum
  date published: 2023-03-21
genre: classical
genre: late-romantic-era
genre: french-romanticism
isrc code: GBAYC0302211
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T18:04:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc732b94df772ddb355fc2b53ff1b50b1c4541a0423f3577d8b874db5cec026ac
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0302211
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc732b94df772ddb355fc2b53ff1b50b1c4541a0423f3577d8b874db5cec026ac. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0302211.
  date published: 2026-07-08T03:53:27Z
audio: Saint-Saëns: Le carnaval des animaux: XIII. Le cygne
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.026
  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: 0.165
  additional property: Energy
    type: PropertyValue
    value: 0.052
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.879
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.421
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Dutilleux: Blackbird
type: MusicRecording
duration: PT1M42S
duration ms: 102733
explicit: false
by artist: Henri Dutilleux
by artist: Anne Queffélec
in album: Klassische Musik zum Frühling. Vogel-Konzert
  type: MusicAlbum
  date published: 2023-03-21
isrc code: GBAYC9603232
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T14:09:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xac0362025fce133d477ed47f12f24d38a43ca95276338a5a9a46a176d663060a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9603232
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac0362025fce133d477ed47f12f24d38a43ca95276338a5a9a46a176d663060a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9603232.
  date published: 2026-07-08T03:53:27Z
audio: Dutilleux: Blackbird
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 172.33
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.275
  additional property: Energy
    type: PropertyValue
    value: 0.102
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.881
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.13
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.958
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rameau: Second livre de pièces de clavecin, Suite en mi: V. Le Rappel des oiseaux
type: MusicRecording
duration: PT2M51S
duration ms: 171102
explicit: false
by artist: Jean-Philippe Rameau
by artist: Alexandre Tharaud
in album: Klassische Musik zum Frühling. Vogel-Konzert
  type: MusicAlbum
  date published: 2023-03-21
isrc code: GBAYC1900673
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T02:59:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xce778e050d40533cded1ecfaeee64629761ee0b62cd56a5124565db1a6a1050c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1900673
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce778e050d40533cded1ecfaeee64629761ee0b62cd56a5124565db1a6a1050c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1900673.
  date published: 2026-07-08T03:53:27Z
audio: Rameau: Second livre de pièces de clavecin, Suite en mi: V. Le Rappel des oiseaux
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.832
  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: 0.287
  additional property: Energy
    type: PropertyValue
    value: 0.168
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.918
  additional property: Liveness
    type: PropertyValue
    value: 0.117
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.218
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.26
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sibelius: Lemminkäinen Suite, Op. 22 "Legends of the Kalevala": No. 2, The Swan of Tuonela
type: MusicRecording
duration: PT8M43S
duration ms: 523893
explicit: false
by artist: Jean Sibelius
by artist: Paavo Berglund
by artist: Bournemouth Symphony Orchestra
in album: Klassische Musik zum Frühling. Vogel-Konzert
  type: MusicAlbum
  date published: 2023-03-21
genre: classical
genre: impressionism
genre: post-romantic-era
genre: finnish-classical
isrc code: GBAYD1200143
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:27:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x989fdbe29a5ebbe7210d81ac13396e81be5875f7f1b269137f36b6236d42ffc2
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/GBAYD1200143
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x989fdbe29a5ebbe7210d81ac13396e81be5875f7f1b269137f36b6236d42ffc2. 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/GBAYD1200143.
  date published: 2026-07-08T03:22:41Z
audio: Sibelius: Lemminkäinen Suite, Op. 22 "Legends of the Kalevala": No. 2, The Swan of Tuonela
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.164
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.069
  additional property: Energy
    type: PropertyValue
    value: 0.035
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.859
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.571
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.03
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.625
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Stravinsky: Le Chant du rossignol: III. Chant du rossignol
type: MusicRecording
duration: PT3M8S
duration ms: 188640
explicit: false
by artist: Igor Stravinsky
by artist: Finnish Radio Symphony Orchestra
by artist: Jukka-Pekka Saraste
in album: Klassische Musik zum Frühling. Vogel-Konzert
  type: MusicAlbum
  date published: 2023-03-21
isrc code: GBAYC9105108
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:44:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf5f17d40774a386d1708680fc1eab8deda661d47ff87c8d917d02eebce41505f
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/GBAYC9105108
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5f17d40774a386d1708680fc1eab8deda661d47ff87c8d917d02eebce41505f. 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/GBAYC9105108.
  date published: 2026-07-08T03:20:19Z
audio: Stravinsky: Le Chant du rossignol: III. Chant du rossignol
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 154.282
  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: 0.174
  additional property: Energy
    type: PropertyValue
    value: 0.017
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.917
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.068
  additional property: Liveness
    type: PropertyValue
    value: 0.395
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -36.433
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sauguet: Tableaux de Paris, Suite pour orchestre: Quai aux fleurs, marché aux oiseaux
type: MusicRecording
duration: PT2M26S
duration ms: 146146
explicit: false
by artist: Henri Sauguet
by artist: Michel Plasson
by artist: Orchestre Du Capitole De Toulouse
by artist: Calvin Sieb
by artist: Jacques Cottens
in album: Klassische Musik zum Frühling. Vogel-Konzert
  type: MusicAlbum
  date published: 2023-03-21
isrc code: FRZ117700630
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:58:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x44cd5a931d57461ddb1ec1aa2594faf59ea36907b130f105c5ac1b81a6501ece
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
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subject of: OpenTimestamps Proof of Existence
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Mozart: Oiseaux, si tous les ans, K. 307
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subject of: OpenTimestamps Proof of Existence
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Tchaikovsky: Swan Lake, Op. 20, Act II: No. 13d, Dance of the Swans. Dance of the Little Swans
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Tchaikovsky: Swan Lake, Op. 20, Act II: No. 13d, Dance of the Swans. Dance of the Little Swans
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Grieg: Lyric Pieces, Book III, Op. 43: No. 4, Little Bird
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Grieg: Lyric Pieces, Book III, Op. 43: No. 4, Little Bird
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Bartók / Arr. Székely: 3 Hungarian Folksongs from Csík, Sz. 35a: No. 1, The Peacock. Rubato
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Bartók / Arr. Székely: 3 Hungarian Folksongs from Csík, Sz. 35a: No. 1, The Peacock. Rubato
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Kodály: Variations on a Hungarian Folksong "Peacock Variations": Variation XI. Andante espressivo
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subject of: OpenTimestamps Proof of Existence
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Loewe: Lieder, Gesänge, Romanzen und Balladen, Op. 9, Heft VI: No. 3, Vogelgesang
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Lassus: Libro de villanelle, moresche et altre canzoni: No. 20, Chi chi li chi
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Great Piano Transcriptions from the Golden Age, Vol. 3
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track: Purcell: King Arthur, Z. 628, Act 3: Prelude While Cold Genius Rises - Song. "What Power Art Thou"
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Glazunov: The Seasons, Op. 67, Pt. 1 "Winter": No. 3, Frost Variation
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  date published: 2026-07-08T03:22:41Z
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Schubert: Winterreise, Op. 89, D. 911: No. 1, Gute Nacht
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Chopin: 12 Études, Op. 25: No. 11 in A Minor "Winter Wind"
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Mendelssohn: 6 Gesänge, Op. 19a: No. 3, Winterlied, MWV K72
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Einaudi: Snow Prelude No. 3
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Aborn: T'is Winter Now
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Haydn: The Seasons, Hob. XXI:3, Winter: No. 39, Lied mit Chor. "Ein Mädchen, das auf Ehre hielt" (Hanne, Chorus)
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audio: Haydn: The Seasons, Hob. XXI:3, Winter: No. 39, Lied mit Chor. "Ein Mädchen, das auf Ehre hielt" (Hanne, Chorus)
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Jarre: The Engadiner Suite for Piano Trio: III. Winter
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Wolf: 6 Lieder für eine Frauenstimme: No. 5, Wiegenlied im Winter
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Prokofiev: Cinderella, Op. 87, Act 1: No. 16, Winter Fairy
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Delius: 3 Small Tone Poems: No. 2, Sleigh Ride
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Beethoven: Symphony No. 7 in A Major, Op. 92: II. Allegretto
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Shor: Four Seasons of Manhattan: III. Winter
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Ravel: Piano Trio in A Minor, M. 67: I. Modéré
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audio: Ravel: Piano Trio in A Minor, M. 67: I. Modéré
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Piazzolla: Estaciones porteñas: IV. Invierno porteño (Arr. Assad for Guitar)
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  date published: 2026-07-08T03:20:19Z
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Rimsky-Korsakov: The Snow Maiden, Act 3: Dance of the Tumblers
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  date published: 2026-07-08T08:56:20Z
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Elgar: 2 Part Songs, Op. 26: No. 1, The Snow
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Violin Concerto No. 2 "The American Four Seasons": Movement IV
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Liszt: 12 Études d'exécution transcendante, S. 139: No. 12, Chasse-neige. Andante con moto
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  date published: 2026-07-08T03:53:27Z
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Bach, JS: Weihnachtsoratorium, BWV 248, Pt. 2: No. 10, Sinfonia
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Bach, JS: Weihnachtsoratorium, BWV 248, Pt. 2: No. 10, Sinfonia
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Waldteufel: Les patineurs, Op. 183
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
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Charpentier: Dispute de bergers, H. 484 "Il faut rire et chanter": II. Brouillards, glaçons, neige, frimas
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Charpentier: Dispute de bergers, H. 484 "Il faut rire et chanter": II. Brouillards, glaçons, neige, frimas
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Mirages. Hidden Treasures of Classical Piano
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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Thomas Quasthoff in Verbier - Vol. II / Live
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
  audio: Schwanengesang, D. 957: Aufenthalt - Live
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On Wings of Song
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track: Falla: 7 Canciones populares españolas: No. 1, El paño moruno
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    date published: 2026-07-08T03:20:19Z
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track: Puccini: Gianni Schicchi: "O mio babbino caro" (Lauretta)

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

Falla: 7 Canciones populares españolas: No. 3, Asturiana
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Puccini: Gianni Schicchi: "O mio babbino caro" (Lauretta)
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subject of: OpenTimestamps Proof of Existence
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Antonio Pappano & Friends
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track: Chopin: 12 Études, Op. 25: No. 12 in C Minor
track: Vivaldi: Flute Concerto in F Major, Op. 10 No. 1, RV 433 "La tempesta di mare": I. Allegro
track: Debussy: La Mer, CD 111, L. 109: II. Jeux de vagues
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd39da59fcc2b535508cb548777348685e8bcea3c23b0899e1417e401a2e3091. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0301468.
date published: 2026-07-08T03:53:27Z

Britten: Four Sea Interludes from Peter Grimes, Op. 33a: No. 3, Moonlight
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 101.466
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: 0.159
additional property: Energy
  type: PropertyValue
  value: 0.009
additional property: Speechiness
  type: PropertyValue
  value: 0.041
additional property: Acousticness
  type: PropertyValue
  value: 0.97
additional property: Instrumentalness
  type: PropertyValue
  value: 0.714
additional property: Liveness
  type: PropertyValue
  value: 0.089
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.039
additional property: Loudness (dB)
  type: PropertyValue
  value: -29.696
additional property: Key Name
  type: PropertyValue
  value: Eb
additional property: Mode Name
  type: PropertyValue
  value: Major

Chopin: 12 Études, Op. 25: No. 12 in C Minor
type: MusicRecording
duration: PT2M35S
duration ms: 155200
explicit: false
by artist: Frédéric Chopin
by artist: Nikolai Lugansky
in album: Klassische Musik für den Sommer - Über das Meer
  type: MusicAlbum
  date published: 2023-09-11
popularity: 17
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: FRZ209908224
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T12:04:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0245b4b368172c8aa1569119be561437f359603105e6ff3c212b71c82cf06cac
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908224
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0245b4b368172c8aa1569119be561437f359603105e6ff3c212b71c82cf06cac. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908224.
  date published: 2026-07-08T08:56:20Z
audio: Chopin: 12 Études, Op. 25: No. 12 in C Minor
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.857
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.273
  additional property: Energy
    type: PropertyValue
    value: 0.163
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.844
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.177
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Vivaldi: Flute Concerto in F Major, Op. 10 No. 1, RV 433 "La tempesta di mare": I. Allegro
type: MusicRecording
duration: PT2M5S
duration ms: 125199
explicit: false
by artist: Antonio Vivaldi
by artist: Il Giardino Armonico
by artist: Giovanni Antonini
in album: Klassische Musik für den Sommer - Über das Meer
  type: MusicAlbum
  date published: 2023-09-11
popularity: 17
isrc code: DEA809177041
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:07:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe80dfc37d7519a3122eb904b3af772a7d67ef612b8559fd279bbf7c4465e10f9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809177041
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe80dfc37d7519a3122eb904b3af772a7d67ef612b8559fd279bbf7c4465e10f9. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809177041.
  date published: 2026-07-08T08:56:20Z
audio: Vivaldi: Flute Concerto in F Major, Op. 10 No. 1, RV 433 "La tempesta di mare": I. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.787
  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: 0.457
  additional property: Energy
    type: PropertyValue
    value: 0.563
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.905
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.701
  additional property: Liveness
    type: PropertyValue
    value: 0.341
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.784
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.477
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Debussy: La Mer, CD 111, L. 109: II. Jeux de vagues
type: MusicRecording
duration: PT6M46S
duration ms: 406933
explicit: false
by artist: Claude Debussy
by artist: Sir Simon Rattle
by artist: Berliner Philharmoniker
in album: Klassische Musik für den Sommer - Über das Meer
  type: MusicAlbum
  date published: 2023-09-11
popularity: 16
genre: classical
genre: impressionism
genre: post-romantic-era
isrc code: GBAYC0402473
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T00:25:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x948be09e4f0367eb08aea4d99e1f86dc2a340404a41589a0f1872427a7f11988
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0402473
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x948be09e4f0367eb08aea4d99e1f86dc2a340404a41589a0f1872427a7f11988. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0402473.
  date published: 2026-07-08T08:56:20Z
audio: Debussy: La Mer, CD 111, L. 109: II. Jeux de vagues
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.443
  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: 0.209
  additional property: Energy
    type: PropertyValue
    value: 0.1
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.868
  additional property: Liveness
    type: PropertyValue
    value: 0.072
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.978
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bridge: The Sea: I. Seascape. Allegro ben moderato
type: MusicRecording
duration: PT6M21S
duration ms: 381266
explicit: false
by artist: Frank Bridge
by artist: Sir Charles Groves
by artist: Royal Liverpool Philharmonic Orchestra
in album: Klassische Musik für den Sommer - Über das Meer
  type: MusicAlbum
  date published: 2023-09-11
popularity: 15
isrc code: GBAYD8900059
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:31:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4c7e862034464b90236592f53d0094b47ccb1613445dbd0e074687a10e44349e
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/GBAYD8900059
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c7e862034464b90236592f53d0094b47ccb1613445dbd0e074687a10e44349e. 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/GBAYD8900059.
  date published: 2026-07-08T03:20:19Z
audio: Bridge: The Sea: I. Seascape. Allegro ben moderato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.473
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.117
  additional property: Energy
    type: PropertyValue
    value: 0.104
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.924
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.819
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.167
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Music by the Sea
type: MusicAlbum
date published: 2023-09-07
track: Debussy: Petite suite, CD 71, L. 65: I. En bateau (Orch. Büsser)
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220773
  explicit: false
  by artist: Claude Debussy
  by artist: Jean-François Paillard
  by artist: Orchestre de chambre Jean-François Paillard
  in album: Music by the Sea
    type: MusicAlbum
    date published: 2023-09-07
  popularity: 25
  genre: classical
  genre: impressionism
  genre: post-romantic-era
  isrc code: FRZ201900495
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T21:06:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0b2412278ab35316db87d61b3eca73ff5203cf3ceedfd42d1daed34e678d96cb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ201900495
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b2412278ab35316db87d61b3eca73ff5203cf3ceedfd42d1daed34e678d96cb. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/FRZ201900495.
    date published: 2026-07-02T16:51:38Z
  audio: Debussy: Petite suite, CD 71, L. 65: I. En bateau (Orch. Büsser)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 95.491
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 6
    additional property: Danceability
      type: PropertyValue
      value: 0.076
    additional property: Energy
      type: PropertyValue
      value: 0.047
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.911
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.891
    additional property: Liveness
      type: PropertyValue
      value: 0.105
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.039
    additional property: Loudness (dB)
      type: PropertyValue
      value: -31.833
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Satie: Sports et divertissements: No. 9, Le bain de mer
  type: MusicRecording
  duration: PT0M44S
  duration ms: 44840
  explicit: false
  by artist: Erik Satie
  by artist: Aldo Ciccolini
  in album: Music by the Sea
    type: MusicAlbum
    date published: 2023-09-07
  popularity: 23
  genre: classical
  genre: classical-piano
  genre: impressionism
  isrc code: FRZ118306170
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T13:55:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa397307adb29f5e9532b2ab2f40c797e5c1d1fd1974adb9ecee17286dbb99580
  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/FRZ118306170
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa397307adb29f5e9532b2ab2f40c797e5c1d1fd1974adb9ecee17286dbb99580. 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/FRZ118306170.
    date published: 2026-07-08T03:20:19Z
  audio: Satie: Sports et divertissements: No. 9, Le bain de mer
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 95.525
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.522
    additional property: Energy
      type: PropertyValue
      value: 0.023
    additional property: Speechiness
      type: PropertyValue
      value: 0.099
    additional property: Acousticness
      type: PropertyValue
      value: 0.991
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.826
    additional property: Liveness
      type: PropertyValue
      value: 0.129
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.055
    additional property: Loudness (dB)
      type: PropertyValue
      value: -32.459
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Britten: Four Sea Interludes from Peter Grimes, Op. 33a: No. 3, Moonlight
  type: MusicRecording
  duration: PT4M23S
  duration ms: 263560
  explicit: false
  by artist: Benjamin Britten
  by artist: André Previn
  by artist: London Symphony Orchestra
  in album: Music by the Sea
    type: MusicAlbum
    date published: 2023-09-07
  popularity: 21
  isrc code: GBAYC0301468
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T05:08:08+00:00
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
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Chopin: 12 Études, Op. 25: No. 12 in C Minor
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Coates: By the Sleepy Lagoon (Instrumental Version)
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Ravel: Miroirs, M. 43: III. Une barque sur l'océan
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Jeux: Piano Works By Ravel, Janáček, Sibelius, Rautavaara and Ruiz del Corral - Extended Edition
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track: Late Piano Works: Fuoco
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Remembrances. Piano Essentials from the Golden Age
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French Melodies
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Au service de la musique française
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    date published: 2026-07-02T03:55:08Z
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

Satie / Orch. Debussy: 3 Gymnopédies: No. 3, Lent et grave
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Royal Philharmonic Orchestra - French Music. Debussy, Ravel, Saint-Saëns...
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His Erato Recordings
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The Sound of Simon Rattle and the Berliner Philharmoniker
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    date published: 2026-07-08T03:22:41Z
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    date published: 2026-07-08T03:22:41Z
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track: Mussorgsky / Orch. Ravel: Pictures at an Exhibition: XI. The Knight's Gate in the Old Capital of Kiev
track: Satie / Orch. Debussy: 3 Gymnopédies: No. 3, Lent et grave
track: Ravel: Ma mère l'oye, M. 60: Le Jardin féerique

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

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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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subject of: OpenTimestamps Proof of Existence
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track: Recueil de chants, Op. 65: No. 6, Barcarolle
track: Les sauvages, RCT 6/14
track: Miroirs, M. 43: No. 1, Noctuelles
track: Miroirs, M. 43: No. 2, Oiseaux tristes
track: Miroirs, M. 43: No. 3, Une barque sur l'océan
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track: 12 Etudes in All the Minor Keys, Op. 39 / No. 12, Le festin d'Ésope: Var. 25
track: Les tendres plaintes—Rondeau, RCT 3/1
track: Les cyclopes—Rondeau, RCT 3/8
track: Menuets, RCT 6/3-4
track: La poule, RCT 6/12

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Gavotte et six doubles, RCT 5/7: Var. 6
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Recueil de chants, Op. 65: No. 6, Barcarolle
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Les sauvages, RCT 6/14
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Miroirs, M. 43: No. 1, Noctuelles
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Miroirs, M. 43: No. 2, Oiseaux tristes
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Miroirs, M. 43: No. 3, Une barque sur l'océan
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12 Etudes in All the Minor Keys, Op. 39 / No. 12, Le festin d'Ésope: Thema – Var. 1 - Var. 7
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12 Etudes in All the Minor Keys, Op. 39 / No. 12, Le festin d'Ésope: Var. 14 - Var. 16
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12 Etudes in All the Minor Keys, Op. 39 / No. 12, Le festin d'Ésope: Var. 25
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Les tendres plaintes—Rondeau, RCT 3/1
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Les cyclopes—Rondeau, RCT 3/8
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Menuets, RCT 6/3-4
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La poule, RCT 6/12
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Ravel: Daphnis et Chloé (Complete Ballet)
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Ravel: L'Œuvre pour piano
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Ravel: Piano Concerto in G Major, M. 83 & Piano Concerto for the Left Hand in D Major, M. 82 (Remastered 2023)
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Walter Gieseking Plays Ravel & Debussy
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track: Debussy: Children's Corner, CD 119, L. 113: IV. The Snow Is Dancing
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track: Ravel: Valses nobles et sentimentales, M. 61: No. 2, Assez lent, avec une expression intense
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track: Ravel: Valses nobles et sentimentales, M. 61: No. 6, Vif
track: Debussy: Suite bergamasque, CD 82, L. 75: III. Clair de lune
track: Debussy: Suite bergamasque, CD 82, L. 75: IV. Passepied
track: Debussy: Préludes, Livre I, CD 125, L. 117: No. 8, La fille aux cheveux de lin
track: Ravel: Sonatine M. 40: I. Modéré
track: Ravel: Menuet sur le nom de Haydn, M. 58

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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

OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

Ravel: Valses nobles et sentimentales, M. 61: No. 1, Modéré et très franc
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Ravel: Valses nobles et sentimentales, M. 61: No. 2, Assez lent, avec une expression intense
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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
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Ravel: Valses nobles et sentimentales, M. 61: No. 4, Assez animé
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by artist: Walter Gieseking
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Ravel: Valses nobles et sentimentales, M. 61: No. 4, Assez animé
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Ravel: Valses nobles et sentimentales, M. 61: No. 6, Vif
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genre: classical
genre: impressionism
genre: neoclassicism
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Ravel: Valses nobles et sentimentales, M. 61: No. 6, Vif
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Debussy: Suite bergamasque, CD 82, L. 75: III. Clair de lune
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genre: classical
genre: impressionism
genre: post-romantic-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Debussy: Suite bergamasque, CD 82, L. 75: III. Clair de lune
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Debussy: Suite bergamasque, CD 82, L. 75: IV. Passepied
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popularity: 10
genre: classical
genre: impressionism
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Debussy: Suite bergamasque, CD 82, L. 75: IV. Passepied
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Debussy: Préludes, Livre I, CD 125, L. 117: No. 8, La fille aux cheveux de lin
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Debussy: Préludes, Livre I, CD 125, L. 117: No. 8, La fille aux cheveux de lin
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track: Schumann: Kinderszenen, Op. 15: No. 1, Von fremden Ländern und Menschen
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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
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Chopin: Piano Sonata No. 3 in B Minor, Op. 58: IV. Finale. Presto non tanto
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by artist: Martha Argerich
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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: Chopin: Piano Sonata No. 3 in B Minor, Op. 58: IV. Finale. Presto non tanto
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Schumann: Kinderszenen, Op. 15: No. 1, Von fremden Ländern und Menschen
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by artist: Martha Argerich
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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: Schumann: Kinderszenen, Op. 15: No. 1, Von fremden Ländern und Menschen
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Schumann: Kinderszenen, Op. 15: No. 2, Kuriose Geschichte
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by artist: Martha Argerich
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genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Schumann: Kinderszenen, Op. 15: No. 2, Kuriose Geschichte
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Schumann: Kinderszenen, Op. 15: No. 4, Bittendes Kind
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by artist: Martha Argerich
in album: Great Works for Solo Piano: Bach, Chopin, Ravel, Schumann...
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genre: classical
genre: classical-piano
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additional property: CopyrightID
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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: Schumann: Kinderszenen, Op. 15: No. 4, Bittendes Kind
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Schumann: Kinderszenen, Op. 15: No. 6, Wichtige Begebenheit
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genre: classical
genre: classical-piano
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Schumann: Kinderszenen, Op. 15: No. 6, Wichtige Begebenheit
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Schumann: Kinderszenen, Op. 15: No. 7, Träumerei
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genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Schumann: Kinderszenen, Op. 15: No. 7, Träumerei
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Schumann: Kinderszenen, Op. 15: No. 8, Am Kamin
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by artist: Robert Schumann
by artist: Martha Argerich
in album: Great Works for Solo Piano: Bach, Chopin, Ravel, Schumann...
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genre: classical
genre: classical-piano
genre: chamber-music
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6c3087f18d652e05503254d8535bc683b2b10c0456babe1d92f2025ba04a445. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0900233.
  date published: 2026-07-08T08:56:20Z
audio: Schumann: Kinderszenen, Op. 15: No. 8, Am Kamin
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Schumann: Kinderszenen, Op. 15: No. 10, Fast zu ernst
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explicit: false
by artist: Robert Schumann
by artist: Martha Argerich
in album: Great Works for Solo Piano: Bach, Chopin, Ravel, Schumann...
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genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f9fdc7894f5f487405ec9b988dcea910e6d99ec803be6f5e26266d21a8e531e. 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/GBAYC0900235.
  date published: 2026-07-08T03:20:19Z
audio: Schumann: Kinderszenen, Op. 15: No. 10, Fast zu ernst
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Schumann: Kinderszenen, Op. 15: No. 13, Der Dichter spricht
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duration: PT2M27S
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explicit: false
by artist: Robert Schumann
by artist: Martha Argerich
in album: Great Works for Solo Piano: Bach, Chopin, Ravel, Schumann...
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genre: classical
genre: classical-piano
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8544ae29baff0dd8d2c2ac60c06b948198aa2e31038856d1f3676239d72620f2. 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/GBAYC0900238.
  date published: 2026-07-08T03:20:19Z
audio: Schumann: Kinderszenen, Op. 15: No. 13, Der Dichter spricht
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Ravel: Sonatine, M. 40: I. Modéré
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explicit: false
by artist: Maurice Ravel
by artist: Martha Argerich
in album: Great Works for Solo Piano: Bach, Chopin, Ravel, Schumann...
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genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5e6930e77962d13c5041d64838f55c689393cbcf089272b5242445d59e25eaa. 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/GBPFW0800368.
  date published: 2026-07-08T03:22:41Z
audio: Ravel: Sonatine, M. 40: I. Modéré
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Chopin: Mazurka No. 37 in A-Flat Major, Op. 59 No. 2
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explicit: false
by artist: Frédéric Chopin
by artist: Martha Argerich
in album: Great Works for Solo Piano: Bach, Chopin, Ravel, Schumann...
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genre: classical
genre: early-romantic-era
genre: polish-classical
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x653bece4812049c35e733c224f0c3b2a9726eabd2a30776edd0757ddba9a9621. 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/GBAYC9900061.
  date published: 2026-07-08T03:22:41Z
audio: Chopin: Mazurka No. 37 in A-Flat Major, Op. 59 No. 2
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Chopin: Mazurka No. 38 in F-Sharp Minor, Op. 59 No. 3
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duration: PT3M6S
duration ms: 186266
explicit: false
by artist: Frédéric Chopin
by artist: Martha Argerich
in album: Great Works for Solo Piano: Bach, Chopin, Ravel, Schumann...
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  date published: 2023-08-09
genre: classical
genre: early-romantic-era
genre: polish-classical
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Chopin: Mazurka No. 38 in F-Sharp Minor, Op. 59 No. 3
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Scarlatti, D: Keyboard Sonata in D Minor, Kk. 141
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by artist: Martha Argerich
in album: Great Works for Solo Piano: Bach, Chopin, Ravel, Schumann...
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genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
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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: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Scarlatti, D: Keyboard Sonata in D Minor, Kk. 141
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Prokofiev: Piano Sonata No. 7 in B-Flat Major, Op. 83: III. Precipitato
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Prokofiev: Piano Sonata No. 7 in B-Flat Major, Op. 83: III. Precipitato
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Chopin: Scherzo No. 3 in C-Sharp Minor, Op. 39
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Chopin: Scherzo No. 3 in C-Sharp Minor, Op. 39
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Ginastera: Danzas argentinas, Op. 2: II. Danza de la moza donosa
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Ginastera: Danzas argentinas, Op. 2: II. Danza de la moza donosa
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Chopin: Polonaise No. 6 in A-Flat Major, Op. 53 "Heroic"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Chopin: Polonaise No. 6 in A-Flat Major, Op. 53 "Heroic"
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Ravel: Boléro, La valse, Ma mère l'Oye, Pavane pour une infante défunte, Valses nobles et sentimentales & Concertos pour piano
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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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track: Ravel: Boléro, M. 81
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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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Ravel & Rachmaninoff
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    date published: 2026-07-08T03:22:41Z
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Ravel: L'Heure espagnole - Bolero
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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: 2026-07-08T03:53:27Z
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track: L'Heure espagnole, M. 52, Scene 9: Évidemment, elle me congédie (Iñigo)
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

L'Heure espagnole, M. 52, Scene 8: Voilà !.. Et maintenant à l'autre ! (Ramiro, Concepción, Iñigo)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: L'Heure espagnole, M. 52, Scene 9: Évidemment, elle me congédie (Iñigo)
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subject of: OpenTimestamps Proof of Existence
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audio: L'Heure espagnole, M. 52, Scene 11: Monsieur, ah ! Monsieur ! (Concepción, Ramiro)
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Christian Ferras Plays French Music: Debussy, Ravel, Fauré, Chausson...
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Piano Works of Maurice Ravel
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