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description: thumb|Couperin (anon.), collection of the Château de Versailles François Couperin (; 10 November 1668 – 11 September 1733) was a French Baroque composer, organist and harpsichordist. He was known as C
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  track: Schubert: 6 Moments musicaux, Op. 94, D. 780: No. 3 in F Minor
  track: Ravel: Pavane pour une infante défunte, M. 19
  track: Prokofiev: Tales of an Old Grandmother, Op. 31: No. 1, Moderato
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album: Souvenirs. Piano Music from the Golden Age
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album: Couperin: Deuxième livre de pièces de clavecin, Ordre 7
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album: Bach: Anna Magdalena Notebooks, 1722 and 1725
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album: Couperin: Messe à l'usage des paroisses & Messe pour les couvents (À l'orgue de la cathédrale Saint-Pierre de Poitiers)
album: Couperin: The Sphere of Intimacy
album: Maurice-Quentin de La Tour, portraits en musique
album: French Baroque Music: Leclair, Lalande, Couperin, Rameau...
album: Leclair: Musique De Chambre
album: Her Early BBC Recordings
album: Récital: Couperin, Scarlatti, Krebs, Mozart, Hummel, Beethoven...
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album: Couperin, Poglietti, Grigny & Rameau: Keyboard Works
album: The Popular Couperin (192k 24bit)
album: Couperin: Harpsichord Works
album: François Couperin: Les Apothéoses
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album: Couperin: The Complete Pièces de clavecin, Vol. 10
album: Les regrets ou l'art de la mélancolie
album: François Couperin - Suites Royales
album: Gillian Weir - A Celebration, Vol. 5 - Couperin
album: Couperin: The Complete Pièces de clavecin, Vol. 9 (Live)
album: Couperin: The Complete Pièces de clavecin, Vol. 8
album: Couperin: The Complete Pièces de clavecin, Vol. 7
album: L'unique
album: Couperin: The Complete Pièces de clavecin, Vol. 6
album: Leçons de ténèbres
album: Couperin: Complete Published Trios for Two Harpsichords
album: Couperin: Les Nations; Pieces de Violes
album: Couperin & d'Anglebert: Works for Organ
album: François Couperin: Quatrième Livre de Pièces de Clavecin
album: François Couperin: Concerts Royaux
album: Angela Hewitt: Mozart, Handel, Couperin
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album: Couperin: Complete Sonatas
album: François Couperin: Les muses naissantes
album: Couperin: Les Nations
album: Couperin: Complete Works for Harpsichord, Vol. 9 – 21st, 22nd, 23rd & 24th Ordres
album: Couperin: Complete Works for Harpsichord, Vol. 7 – 15th, 16th & 17th Ordres
album: Couperin: Complete Works for Harpsichord, Vol. 5 – 9th, 10th & 11th Ordres
album: Couperin: Complete Works for Harpsichord, Vol. 4 – 6th, 7th & 8th Ordres
album: Couperin: Complete Works for Harpsichord, Vol. 3 – 3rd & 5th Ordres
album: Couperin: Complete Works for Harpsichord, Vol. 10 – 25th, 26th & 27th Ordres
album: François Couperin: Pièces des 3éme et 4éme Livres
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Couperin, F: Second livre de pièces de clavecin, Sixième ordre: V. Les baricades mistérieuses
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Les Nations, premier ordre "La Françoise": I. Sonade (Gravement - Gayement - Rondement - Gayement - Gravement - Vivement - ir, gracieusement - Gayement)
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Chopin: Berceuse in D-Flat Major, Op. 57
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Schubert: 6 Moments musicaux, Op. 94, D. 780: No. 3 in F Minor
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Ravel: Pavane pour une infante défunte, M. 19
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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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Souvenirs. Piano Music from the Golden Age
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Couperin: Deuxième livre, de pièces de clavecin, Ordre 8
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Couperin: Deuxième livre de pièces de clavecin, Ordre 7
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Couperin: 8 Préludes from "L'art de toucher le clavecin"
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Couperin: Premier livre de pièces de clavecin, Ordre 1
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Couperin: Premier livre de pièces de clavecin, Ordre 5
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Pièces de Clavecin, Premier Livre, Troisiême Ordre
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Pièces de Clavecin, Premier Livre, Second Ordre
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Bach: Anna Magdalena Notebooks, 1722 and 1725
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track: Gib dich zufrieden, BWV 510
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track: Bist du bei mir (Formerly Attrib. Bach as BWV 508)[Voice & Harpsichord]
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OpenTimestamps Proof of Existence
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Gib dich zufrieden, BWV 510
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Polonaise in D Minor, BWV Anh. 128
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Bist du bei mir (Formerly Attrib. Bach as BWV 508)[Voice & Harpsichord]
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Wie wohl ist mir, o Freund der Seelen, BWV 517
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John Eliot Gardiner Conducts French Baroque Music: Couperin, Rameau, Campra & Leclair
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Couperin: Messe à l'usage des paroisses & Messe pour les couvents (À l'orgue de la cathédrale Saint-Pierre de Poitiers)
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Couperin: The Sphere of Intimacy
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Maurice-Quentin de La Tour, portraits en musique
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French Baroque Music: Leclair, Lalande, Couperin, Rameau...
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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: 2026-07-08T03:53:27Z
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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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  subject of: OpenTimestamps Proof of Existence
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track: Bach, JS: Cello Suite No. 2 in D Minor, BWV 1008: III. Courante
track: Falla / Arr. Maréchal: 7 Canciones populares españolas: No. 1, El paño moruno
track: Falla / Arr. Maréchal: 7 Canciones populares españolas: No. 5, Nana
track: Falla / Arr. Maréchal: 7 Canciones populares españolas: No. 7, Polo
track: Brahms: Cello Sonata No. 2 in F Major, Op. 99: I. Allegro vivace (Live)
track: Handel / Arr. Slatter: Cello Sonata in G Minor: I. Grave (After Oboe Concerto No. 3, HWV 287)
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OTSVerificationAPI
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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: 2026-07-08T03:53:27Z

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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Bach, JS: Cello Suite No. 2 in D Minor, BWV 1008: III. Courante
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subject of: OpenTimestamps Proof of Existence
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audio: Falla / Arr. Maréchal: 7 Canciones populares españolas: No. 1, El paño moruno
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Falla / Arr. Maréchal: 7 Canciones populares españolas: No. 7, Polo
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subject of: OpenTimestamps Proof of Existence
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Brahms: Cello Sonata No. 2 in F Major, Op. 99: I. Allegro vivace (Live)
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subject of: OpenTimestamps Proof of Existence
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Handel / Arr. Slatter: Cello Sonata in G Minor: I. Grave (After Oboe Concerto No. 3, HWV 287)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Handel / Arr. Slatter: Cello Sonata in G Minor: I. Grave (After Oboe Concerto No. 3, HWV 287)
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Handel / Arr. Slatter: Cello Sonata in G Minor: IV. Allegro (After Oboe Concerto No. 3, HWV 287)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Handel / Arr. Slatter: Cello Sonata in G Minor: IV. Allegro (After Oboe Concerto No. 3, HWV 287)
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Récital: Couperin, Scarlatti, Krebs, Mozart, Hummel, Beethoven...
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track: Scarlatti: Keyboard Sonata in C Major, Kk. 159 "The Hunt"
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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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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0085d86e6d796852702f2e068157a0595c85c09fbdc59f5ef19d8b93f36b327. 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/FRZ110801473.
date published: 2026-07-08T03:22:41Z

Hummel: Rondo favori in E-Flat Major, Op. 11
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 146.459
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: 0.379
additional property: Energy
  type: PropertyValue
  value: 0.145
additional property: Speechiness
  type: PropertyValue
  value: 0.043
additional property: Acousticness
  type: PropertyValue
  value: 0.988
additional property: Instrumentalness
  type: PropertyValue
  value: 0.943
additional property: Liveness
  type: PropertyValue
  value: 0.146
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.465
additional property: Loudness (dB)
  type: PropertyValue
  value: -24.597
additional property: Key Name
  type: PropertyValue
  value: Bb
additional property: Mode Name
  type: PropertyValue
  value: Major

Beethoven: Polonaise in C Major, Op. 89
type: MusicRecording
duration: PT6M16S
duration ms: 376546
explicit: false
by artist: Ludwig van Beethoven
by artist: György Cziffra
in album: Récital: Couperin, Scarlatti, Krebs, Mozart, Hummel, Beethoven...
  type: MusicAlbum
  date published: 2022-05-13
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: FRZ110801371
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:05:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe9b712437411db9e67241bc6726de145231845931f06c1f076e54659e98ddfc7
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/FRZ110801371
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 0xe9b712437411db9e67241bc6726de145231845931f06c1f076e54659e98ddfc7. 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/FRZ110801371.
  date published: 2026-07-08T08:56:20Z
audio: Beethoven: Polonaise in C Major, Op. 89
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.495
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.399
  additional property: Energy
    type: PropertyValue
    value: 0.064
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.932
  additional property: Liveness
    type: PropertyValue
    value: 0.084
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.17
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.176
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Récital à Saint-Frambourg: Couperin, Rameau, Marais & Daquin
type: MusicAlbum
date published: 2022-04-22
track: Couperin, F: Second livre de pièces de clavecin, Sixième ordre: V. Les baricades mistérieuses
track: Couperin, F: Quatrième livre de pièces de clavecin, Vingt-deuxième ordre: IV. L'anguille
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186880
  explicit: false
  by artist: François Couperin
  by artist: György Cziffra
  in album: Récital à Saint-Frambourg: Couperin, Rameau, Marais & Daquin
    type: MusicAlbum
    date published: 2022-04-22
  genre: classical
  genre: classical-era
  genre: early-music
  genre: baroque
  genre: french-baroque
  isrc code: FRZ110801543
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T03:09:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfe4fbc867f81a05c5644d69003090dac7d305f78396c702f7cdbe5699328c7c0
  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/FRZ110801543
  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 0xfe4fbc867f81a05c5644d69003090dac7d305f78396c702f7cdbe5699328c7c0. 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/FRZ110801543.
    date published: 2026-07-08T03:53:27Z
  audio: Couperin, F: Quatrième livre de pièces de clavecin, Vingt-deuxième ordre: IV. L'anguille
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 123.579
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.341
    additional property: Energy
      type: PropertyValue
      value: 0.213
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.994
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.896
    additional property: Liveness
      type: PropertyValue
      value: 0.105
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.653
    additional property: Loudness (dB)
      type: PropertyValue
      value: -23.626
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Couperin, F: Premier livre de pièces de clavecin, Cinquième ordre: VIII. La bandoline
  type: MusicRecording
  duration: PT2M41S
  duration ms: 161520
  explicit: false
  by artist: François Couperin
  by artist: György Cziffra
  in album: Récital à Saint-Frambourg: Couperin, Rameau, Marais & Daquin
    type: MusicAlbum
    date published: 2022-04-22
  genre: classical
  genre: classical-era
  genre: early-music
  genre: baroque
  genre: french-baroque
  isrc code: FRZ110801544
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T23:34:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa5cb2b8fde44652a906ab7a7b6bc17baeccd1539afb18a4399ba52089157417e
  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/FRZ110801544
  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 0xa5cb2b8fde44652a906ab7a7b6bc17baeccd1539afb18a4399ba52089157417e. 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/FRZ110801544.
    date published: 2026-07-08T03:22:41Z
  audio: Couperin, F: Premier livre de pièces de clavecin, Cinquième ordre: VIII. La bandoline
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 98.232
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 6
    additional property: Danceability
      type: PropertyValue
      value: 0.303
    additional property: Energy
      type: PropertyValue
      value: 0.066
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.994
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.832
    additional property: Liveness
      type: PropertyValue
      value: 0.103
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.136
    additional property: Loudness (dB)
      type: PropertyValue
      value: -29.743
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Couperin, F: Premier livre de pièces de clavecin, Second ordre: XXIII. Les papillons
  type: MusicRecording
  duration: PT1M32S
  duration ms: 92306
  explicit: false
  by artist: François Couperin
  by artist: György Cziffra
  in album: Récital à Saint-Frambourg: Couperin, Rameau, Marais & Daquin
    type: MusicAlbum
    date published: 2022-04-22
  genre: classical
  genre: classical-era
  genre: early-music
  genre: baroque
  genre: french-baroque
  isrc code: FRZ110801548
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Couperin, F: Premier livre de pièces de clavecin, Second ordre: XXIII. Les papillons
track: Couperin, F: Second livre de pièces de clavecin, Sixième ordre: I. Les moissonneurs
track: Daquin: Livre de pièces de clavecin, Suite No. 3: I. Le coucou

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-07T07:47:09+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xda5d1ebf5cbfa7ae473ae9cb55e546c531a69fd077289e600e6fb080d0d45759

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957124

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957124

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ110801548

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:53:27Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda5d1ebf5cbfa7ae473ae9cb55e546c531a69fd077289e600e6fb080d0d45759. 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/FRZ110801548.
date published: 2026-07-08T03:53:27Z

Couperin, F: Premier livre de pièces de clavecin, Second ordre: XXIII. Les papillons
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 99.993
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.32
additional property: Energy
  type: PropertyValue
  value: 0.222
additional property: Speechiness
  type: PropertyValue
  value: 0.042
additional property: Acousticness
  type: PropertyValue
  value: 0.988
additional property: Instrumentalness
  type: PropertyValue
  value: 0.908
additional property: Liveness
  type: PropertyValue
  value: 0.117
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.632
additional property: Loudness (dB)
  type: PropertyValue
  value: -25.35
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Minor

Couperin, F: Second livre de pièces de clavecin, Sixième ordre: I. Les moissonneurs
type: MusicRecording
duration: PT3M39S
duration ms: 219053
explicit: false
by artist: François Couperin
by artist: György Cziffra
in album: Récital à Saint-Frambourg: Couperin, Rameau, Marais & Daquin
  type: MusicAlbum
  date published: 2022-04-22
genre: classical
genre: classical-era
genre: early-music
genre: baroque
genre: french-baroque
isrc code: FRZ110801549
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:53:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e35380d06f2ca08b6908e9f8f30287170efd0bd79474c7d071b2ee7220063a7
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/FRZ110801549
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 0x4e35380d06f2ca08b6908e9f8f30287170efd0bd79474c7d071b2ee7220063a7. 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/FRZ110801549.
  date published: 2026-07-08T03:20:19Z
audio: Couperin, F: Second livre de pièces de clavecin, Sixième ordre: I. Les moissonneurs
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.674
  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: 0.404
  additional property: Energy
    type: PropertyValue
    value: 0.137
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.996
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.919
  additional property: Liveness
    type: PropertyValue
    value: 0.159
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.367
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.055
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Daquin: Livre de pièces de clavecin, Suite No. 3: I. Le coucou
type: MusicRecording
duration: PT2M36S
duration ms: 156013
explicit: false
by artist: Louis-Claude Daquin
by artist: György Cziffra
in album: Récital à Saint-Frambourg: Couperin, Rameau, Marais & Daquin
  type: MusicAlbum
  date published: 2022-04-22
isrc code: FRZ110801554
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:02:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7dab03b8e32bed6c0e6dab257f8141b984d4616bf10eb970eed23e2419ce7656
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/FRZ110801554
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 0x7dab03b8e32bed6c0e6dab257f8141b984d4616bf10eb970eed23e2419ce7656. 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/FRZ110801554.
  date published: 2026-07-08T03:22:41Z
audio: Daquin: Livre de pièces de clavecin, Suite No. 3: I. Le coucou
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.65
  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: 0.283
  additional property: Energy
    type: PropertyValue
    value: 0.13
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.902
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.54
  additional property: Loudness (dB)
    type: PropertyValue
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Couperin, Poglietti, Grigny & Rameau: Keyboard Works
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track: Couperin: L'art de toucher le clavecin: Troisième prélude
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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
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The Popular Couperin (192k 24bit)
type: MusicAlbum
date published: 2021-12-02

Couperin: Harpsichord Works
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date published: 2021-11-05
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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
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track: Premier livre, de pièces de clavecin, Ordre 3 (Excerpts): No. 2, Première courante
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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
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François Couperin: Les Apothéoses
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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
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track: Le Parnasse ou l'Apothéose de Corelli: Enthouziasme de Corelli causé par les eaux D’Hypocréne (vivement)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Concert instrumental sous le titre d'Apothéose pour l'incomparable M. de Lully: Air pour les mêmes (gracieusement)
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track: Concert instrumental sous le titre d'Apothéose pour l'incomparable M. de Lully: Plaintes des mêmes

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:20:19Z

Concert instrumental sous le titre d'Apothéose pour l'incomparable M. de Lully: Air pour les mêmes (gracieusement)
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Couperin: Concerts royaux
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date published: 2021-08-06

Couperin: L'art de toucher le clavecin & Pièces de clavecin (Excerpts)
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Couperin: The Complete Pièces de clavecin, Vol. 10
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Les regrets ou l'art de la mélancolie
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François Couperin - Suites Royales
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Gillian Weir - A Celebration, Vol. 5 - Couperin
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Couperin: The Complete Pièces de clavecin, Vol. 9 (Live)
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Couperin: The Complete Pièces de clavecin, Vol. 8
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Couperin: The Complete Pièces de clavecin, Vol. 7
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L'unique
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Couperin: The Complete Pièces de clavecin, Vol. 6
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Leçons de ténèbres
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Couperin: Complete Published Trios for Two Harpsichords
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Couperin: Les Nations; Pieces de Violes
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Couperin & d'Anglebert: Works for Organ
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François Couperin: Quatrième Livre de Pièces de Clavecin
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Apothéoses
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Couperin Harpsichord Music
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Couperin: Complete Sonatas
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Couperin: Pièces de clavecin des Livres III & IV
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Couperin: Les Nations - Rebel: Les caractères de la danse
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François Couperin Edition
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The Flute Master
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track: Mozart: Flute Concerto No. 1 in G Major, K. 313: II. Adagio ma non troppo (Cadenza by Rampal)
track: Telemann: Tafelmusik, Pt. 1: Quartet for Flute, Oboe, Violin and Continuo in G Major, TWV 43:G2: I. Largo - Allegro
track: Telemann: Tafelmusik, Pt. 1: Quartet for Flute, Oboe, Violin and Continuo in G Major, TWV 43:G2: II. Vivace
track: Telemann: Tafelmusik, Pt. 1: Quartet for Flute, Oboe, Violin and Continuo in G Major, TWV 43:G2: III. Grave - Vivace
track: Bach, JS: Meine Seufzer, meine Tränen, BWV 13: No. 5, Aria. "Ächzen und erbärmlich Weinen"
track: Mozart: Concerto for Flute and Harp in C Major, K. 299: I. Allegro (Cadenza by Flothuis)
track: Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino (Cadenza by Flothuis)
track: Mozart: Concerto for Flute and Harp in C Major, K. 299: III. Rondeau. Allegro (Cadenza by Flothuis)
track: Mercadante: Flute Concerto No. 2 in E Minor, Op. 57: I. Allegro maestoso
track: Mercadante: Flute Concerto No. 2 in E Minor, Op. 57: II. Largo
track: Mercadante: Flute Concerto No. 2 in E Minor, Op. 57: III. Rondo russo
track: Arma: Suite paysanne hongroise, Op. 153: I. Chants populaires tristes (After Bartók's Peasant Songs, Sz. 71)
track: Arma: Suite paysanne hongroise, Op. 153: II. Scherzo (After Bartók's Peasant Songs, Sz. 71)
track: Bach, CPE: Flute Concerto in B-Flat Major, Wq. 167: I. Allegretto
track: Ibert: Flute Concerto: I. Allegro
track: Ibert: Flute Concerto: II. Andante
track: Ibert: Flute Concerto: III. Allegro scherzando
track: Tartini: Flute Concerto in D Major: II. Grave (Transcr. Rampal of Violin Concerto, D. 50)
track: Tartini: Flute Concerto in D Major: III. Allegro (Transcr. Rampal of Violin Concerto, D. 50)

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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: 2026-07-08T03:20:19Z
audio: Bach, JS: Flute Sonata in B Minor, BWV 1030: II. Largo e dolce
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Bach, JS: Flute Sonata in B Minor, BWV 1030: III. Presto
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duration: PT5M42S
duration ms: 342706
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by artist: Johann Sebastian Bach
by artist: Jean-Pierre Rampal
by artist: Robert Veyron-Lacroix
in album: The Flute Master
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popularity: 5
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 0x76ae099f02277dac8d9ca033a709745f0394223c411cc622763fd47ea5c41e21. 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/GBAYC1501041.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Flute Sonata in B Minor, BWV 1030: III. Presto
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Françaix: Wind Quintet No. 1: I. Andante tranquillo - Allegro assai
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by artist: Quintette à Vent Français
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  date published: 2024-11-03
popularity: 5
genre: early-modern-classical
genre: impressionism
genre: neoclassicism
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additional property: CopyrightID
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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
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  date published: 2026-07-08T03:22:41Z
audio: Françaix: Wind Quintet No. 1: I. Andante tranquillo - Allegro assai
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Françaix: Wind Quintet No. 1: II. Presto
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explicit: false
by artist: Jean Françaix
by artist: Quintette à Vent Français
in album: The Flute Master
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  date published: 2024-11-03
popularity: 4
genre: early-modern-classical
genre: impressionism
genre: neoclassicism
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additional property: CopyrightID
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Françaix: Wind Quintet No. 1: II. Presto
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Françaix: Wind Quintet No. 1: IV. Tempo di marcia francese
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by artist: Quintette à Vent Français
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  date published: 2024-11-03
popularity: 3
genre: early-modern-classical
genre: impressionism
genre: neoclassicism
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Françaix: Wind Quintet No. 1: IV. Tempo di marcia francese
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Mozart: Flute Concerto No. 1 in G Major, K. 313: II. Adagio ma non troppo (Cadenza by Rampal)
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by artist: Jean-Pierre Rampal
by artist: Theodor Guschlbauer
by artist: Wiener Symphoniker
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  date published: 2024-11-03
popularity: 3
genre: classical
genre: classical-era
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Mozart: Flute Concerto No. 1 in G Major, K. 313: II. Adagio ma non troppo (Cadenza by Rampal)
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Telemann: Tafelmusik, Pt. 1: Quartet for Flute, Oboe, Violin and Continuo in G Major, TWV 43:G2: I. Largo - Allegro
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by artist: Jean-Pierre Rampal
by artist: Ensemble Baroque De Paris
by artist: Robert Veyron-Lacroix
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popularity: 3
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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: Telemann: Tafelmusik, Pt. 1: Quartet for Flute, Oboe, Violin and Continuo in G Major, TWV 43:G2: I. Largo - Allegro
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Telemann: Tafelmusik, Pt. 1: Quartet for Flute, Oboe, Violin and Continuo in G Major, TWV 43:G2: II. Vivace
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by artist: Ensemble Baroque De Paris
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popularity: 3
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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: Telemann: Tafelmusik, Pt. 1: Quartet for Flute, Oboe, Violin and Continuo in G Major, TWV 43:G2: II. Vivace
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Telemann: Tafelmusik, Pt. 1: Quartet for Flute, Oboe, Violin and Continuo in G Major, TWV 43:G2: III. Grave - Vivace
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duration: PT2M27S
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by artist: Jean-Pierre Rampal
by artist: Ensemble Baroque De Paris
by artist: Robert Veyron-Lacroix
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Telemann: Tafelmusik, Pt. 1: Quartet for Flute, Oboe, Violin and Continuo in G Major, TWV 43:G2: III. Grave - Vivace
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Bach, JS: Meine Seufzer, meine Tränen, BWV 13: No. 5, Aria. "Ächzen und erbärmlich Weinen"
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duration: PT8M1S
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by artist: Johann Sebastian Bach
by artist: Jean-Pierre Rampal
by artist: Dietrich Fischer-Dieskau
by artist: Jacques Neilz
by artist: Robert Veyron-Lacroix
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popularity: 2
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: 2026-07-08T03:22:41Z
audio: Bach, JS: Meine Seufzer, meine Tränen, BWV 13: No. 5, Aria. "Ächzen und erbärmlich Weinen"
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Mozart: Concerto for Flute and Harp in C Major, K. 299: I. Allegro (Cadenza by Flothuis)
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duration: PT10M35S
duration ms: 635106
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by artist: Wolfgang Amadeus Mozart
by artist: Jean-Pierre Rampal
by artist: Lily Laskine
by artist: Jean-François Paillard
by artist: Orchestre de chambre Jean-François Paillard
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popularity: 2
genre: classical
genre: classical-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Mozart: Concerto for Flute and Harp in C Major, K. 299: I. Allegro (Cadenza by Flothuis)
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Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino (Cadenza by Flothuis)
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duration: PT9M46S
duration ms: 586013
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by artist: Wolfgang Amadeus Mozart
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by artist: Lily Laskine
by artist: Jean-François Paillard
by artist: Orchestre de chambre Jean-François Paillard
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popularity: 4
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino (Cadenza by Flothuis)
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Mozart: Concerto for Flute and Harp in C Major, K. 299: III. Rondeau. Allegro (Cadenza by Flothuis)
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duration ms: 586986
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by artist: Orchestre de chambre Jean-François Paillard
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popularity: 2
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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: Mozart: Concerto for Flute and Harp in C Major, K. 299: III. Rondeau. Allegro (Cadenza by Flothuis)
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Mercadante: Flute Concerto No. 2 in E Minor, Op. 57: I. Allegro maestoso
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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: Mercadante: Flute Concerto No. 2 in E Minor, Op. 57: I. Allegro maestoso
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Mercadante: Flute Concerto No. 2 in E Minor, Op. 57: II. Largo
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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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Mercadante: Flute Concerto No. 2 in E Minor, Op. 57: III. Rondo russo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Mercadante: Flute Concerto No. 2 in E Minor, Op. 57: III. Rondo russo
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Arma: Suite paysanne hongroise, Op. 153: I. Chants populaires tristes (After Bartók's Peasant Songs, Sz. 71)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Arma: Suite paysanne hongroise, Op. 153: I. Chants populaires tristes (After Bartók's Peasant Songs, Sz. 71)
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Arma: Suite paysanne hongroise, Op. 153: II. Scherzo (After Bartók's Peasant Songs, Sz. 71)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Arma: Suite paysanne hongroise, Op. 153: II. Scherzo (After Bartók's Peasant Songs, Sz. 71)
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Bach, CPE: Flute Concerto in B-Flat Major, Wq. 167: I. Allegretto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Bach, CPE: Flute Concerto in B-Flat Major, Wq. 167: I. Allegretto
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Ibert: Flute Concerto: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Ibert: Flute Concerto: I. Allegro
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Ibert: Flute Concerto: II. Andante
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  date published: 2026-07-08T03:22:41Z
audio: Ibert: Flute Concerto: II. Andante
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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 0xa559d16d0dfdabda80191d0eb72e37fa0eed3c0345ce4ded0e918baabe705d64. 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/FRZ118100430.
date published: 2026-07-02T03:30:09Z

Poulenc: Villageoises, FP 65 "6 Petites pièces enfantines": No. 2, Staccato
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 137.847
additional property: Musical Key
  type: PropertyValue
  value: 5
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.804
additional property: Energy
  type: PropertyValue
  value: 0.257
additional property: Speechiness
  type: PropertyValue
  value: 0.086
additional property: Acousticness
  type: PropertyValue
  value: 0.967
additional property: Instrumentalness
  type: PropertyValue
  value: 0.774
additional property: Liveness
  type: PropertyValue
  value: 0.106
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.765
additional property: Loudness (dB)
  type: PropertyValue
  value: -24.294
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Minor

Mozart: Das Kinderspiel, K. 598
type: MusicRecording
duration: PT2M4S
duration ms: 124880
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sabine Devieilhe
by artist: Mathieu Pordoy
in album: Scenes from Childhood
  type: MusicAlbum
  date published: 2024-12-26
popularity: 15
genre: classical
genre: classical-era
isrc code: GBAYC2400025
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T13:54:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf6d683d86d72abc2136a074e438c60e7f79dfdf75fb40efe84be2943f02648f4
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/GBAYC2400025
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6d683d86d72abc2136a074e438c60e7f79dfdf75fb40efe84be2943f02648f4. 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/GBAYC2400025.
  date published: 2026-07-02T03:30:09Z
audio: Mozart: Das Kinderspiel, K. 598
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.59
  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: 0.482
  additional property: Energy
    type: PropertyValue
    value: 0.057
  additional property: Speechiness
    type: PropertyValue
    value: 0.089
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.018
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.64
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.997
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Satie: Sports et divertissements: No. 6, Colin-maillard
type: MusicRecording
duration: PT0M38S
duration ms: 38573
explicit: false
by artist: Erik Satie
by artist: Michel Legrand
in album: Scenes from Childhood
  type: MusicAlbum
  date published: 2024-12-26
popularity: 15
genre: classical
genre: classical-piano
genre: impressionism
isrc code: FRZ209303406
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T13:54:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd10e8a78a1fd82926b3b5ee6c82327e1bd1a46a5861317bc2bbc2b2a2a168616
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/FRZ209303406
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd10e8a78a1fd82926b3b5ee6c82327e1bd1a46a5861317bc2bbc2b2a2a168616. 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/FRZ209303406.
  date published: 2026-07-02T03:30:09Z
audio: Satie: Sports et divertissements: No. 6, Colin-maillard
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 173.15
  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: 0.402
  additional property: Energy
    type: PropertyValue
    value: 0.038
  additional property: Speechiness
    type: PropertyValue
    value: 0.083
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.878
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.342
  additional property: Loudness (dB)
    type: PropertyValue
    value: -35.284
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tansman: Pour les enfants, Quatrième recueil: No. 2, Cheval mécanique
type: MusicRecording
duration: PT0M41S
duration ms: 41440
explicit: false
by artist: Alexandre Tansman
by artist: Lily Laskine
in album: Scenes from Childhood
  type: MusicAlbum
  date published: 2024-12-26
popularity: 14
isrc code: FRZ206205502
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T23:48:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeaa6cd3a70ae152f81c8252015c08e1ab9fa4e876c07b4135cb0eb63261d876a
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/FRZ206205502
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaa6cd3a70ae152f81c8252015c08e1ab9fa4e876c07b4135cb0eb63261d876a. 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/FRZ206205502.
  date published: 2026-07-02T03:55:08Z
audio: Tansman: Pour les enfants, Quatrième recueil: No. 2, Cheval mécanique
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.842
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.48
  additional property: Energy
    type: PropertyValue
    value: 0.128
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.934
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.358
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.546
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Prokofiev: Music for Children, Op. 65: No. 10, March
type: MusicRecording
duration: PT1M12S
duration ms: 72573
explicit: false
by artist: Sergei Prokofiev
by artist: György Sebök
in album: Scenes from Childhood
  type: MusicAlbum
  date published: 2024-12-26
popularity: 13
genre: classical
genre: orchestra
genre: neoclassical
isrc code: FRZ200200334
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T03:32:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb2fc0ccaa9895fa04f1ea15f19926571b6e6204da0ac8e8ac815d056ad1c3003
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/FRZ200200334
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2fc0ccaa9895fa04f1ea15f19926571b6e6204da0ac8e8ac815d056ad1c3003. 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/FRZ200200334.
  date published: 2026-07-02T03:55:08Z
audio: Prokofiev: Music for Children, Op. 65: No. 10, March
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.743
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.726
  additional property: Energy
    type: PropertyValue
    value: 0.136
  additional property: Speechiness
    type: PropertyValue
    value: 0.139
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.906
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.758
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.623
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bizet: Petite suite from "Jeux d'enfants", Op. 22, WD 39: III. Impromptu "La toupie"
type: MusicRecording
duration: PT1M3S
duration ms: 63800
explicit: false
by artist: Georges Bizet
by artist: Seiji Ozawa
by artist: Orchestre National De France
in album: Scenes from Childhood
  type: MusicAlbum
  date published: 2024-12-26
popularity: 12
genre: classical
genre: opera
isrc code: GBAYC8200707
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T22:37:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2b68f6d19b890fc2467ed3d659ed0bd76121b38dd35f79065737d40cadcb9faa
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/GBAYC8200707
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b68f6d19b890fc2467ed3d659ed0bd76121b38dd35f79065737d40cadcb9faa. 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/GBAYC8200707.
  date published: 2026-07-02T03:55:08Z
audio: Bizet: Petite suite from "Jeux d'enfants", Op. 22, WD 39: III. Impromptu "La toupie"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 149.372
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.477
  additional property: Energy
    type: PropertyValue
    value: 0.066
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.786
  additional property: Liveness
    type: PropertyValue
    value: 0.361
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.416
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.591
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kabalevsky: 30 Pieces for Children, Op. 27: No. 2, Little Song
type: MusicRecording
duration: PT0M52S
duration ms: 52000
explicit: false
by artist: Dmitry Kabalevsky
by artist: Georges Pludermacher
in album: Scenes from Childhood
  type: MusicAlbum
  date published: 2024-12-26
popularity: 13
isrc code: FRZ209638720
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T04:15:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe655438c00c8e3955e5a59699603d7ee55d6dd8ec83d6ac63c01e0d60fd35aab
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/FRZ209638720
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe655438c00c8e3955e5a59699603d7ee55d6dd8ec83d6ac63c01e0d60fd35aab. 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/FRZ209638720.
  date published: 2026-07-02T03:30:09Z
audio: Kabalevsky: 30 Pieces for Children, Op. 27: No. 2, Little Song
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.631
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.542
  additional property: Energy
    type: PropertyValue
    value: 0.023
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.976
  additional property: Liveness
    type: PropertyValue
    value: 0.07
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.564
  additional property: Loudness (dB)
    type: PropertyValue
    value: -37.093
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Handel: Laudate pueri Dominum, HWV 237: I. Laudate pueri Dominum
type: MusicRecording
duration: PT3M23S
duration ms: 203253
explicit: false
by artist: George Frideric Handel
by artist: Andrew Parrott
by artist: Emma Kirkby
by artist: Taverner Choir
by artist: Taverner Players
in album: Scenes from Childhood
  type: MusicAlbum
  date published: 2024-12-26
popularity: 14
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: GBAYC8701576
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T22:28:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf361629483ab6cd051c6a731430cbb7fd9993e64d2b4aad7342589a057d9e205
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/GBAYC8701576
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subject of: OpenTimestamps Proof of Existence
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Stravinsky: Valse pour les enfants
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subject of: OpenTimestamps Proof of Existence
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Bach: Notebook for Wilhelm Friedemann Bach: No. 8, Prelude in F Major, BWV 927
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subject of: OpenTimestamps Proof of Existence
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Bartók: For Children, Sz. 42, Book I "Hungarian Folk Songs": No. 13, Runaway Horse. Andante
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audio: Bartók: For Children, Sz. 42, Book I "Hungarian Folk Songs": No. 13, Runaway Horse. Andante
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Kosma: Suite symphonique d'après "Les portes de la nuit": IV. Chanson "Les enfants qui s'aiment"
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  date published: 2026-07-02T03:55:08Z
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Shostakovich: Children's Notebook, Op. 69: No. 4, Merry Tale
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Vaughan Williams: 10 Blake Songs: No. 1, Infant Joy
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Beethoven: Piano Exercise in C Major, Hess 59
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Beethoven: Piano Exercise in C Major, Hess 59
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Ravel: Ma mère l'Oye, M. 60: III. Laideronnette, impératrice des pagodes
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by artist: Yannick Nézet-Séguin
by artist: Rotterdam Philharmonic Orchestra
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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: 2026-07-02T03:55:08Z
audio: Ravel: Ma mère l'Oye, M. 60: III. Laideronnette, impératrice des pagodes
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Webern: Kinderstück
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by artist: Georges Pludermacher
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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
audio: Webern: Kinderstück
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Debussy / Orch. Caplet: La boîte à joujoux, CD 136, L. 128: I. Prélude. Le sommeil de la boîte
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by artist: Armin Jordan
by artist: Basler Sinfonie Orchester
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popularity: 11
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: 2026-07-02T05:09:12Z
audio: Debussy / Orch. Caplet: La boîte à joujoux, CD 136, L. 128: I. Prélude. Le sommeil de la boîte
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Khachaturian: Children's Album, Book I, Op. 62: No. 1, Andantino
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Khachaturian: Children's Album, Book I, Op. 62: No. 1, Andantino
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Zelenka: Laudate pueri, ZWV 81: I. Laudate pueri
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by artist: NDR Radiophilharmonie
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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
audio: Zelenka: Laudate pueri, ZWV 81: I. Laudate pueri
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Mendelssohn: 6 Kinderstücke, Op. 72: No. 1, Allegro non troppo, MWV U171
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Mendelssohn: 6 Kinderstücke, Op. 72: No. 1, Allegro non troppo, MWV U171
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Vivaldi: Gloria in D Major, RV 589: I. Gloria in excelsis Deo
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by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
by artist: Academy of St Martin in the Fields Chorus
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subject of: OpenTimestamps Proof of Existence
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CPE Bach: Notebook for Anna Magdalena Bach: March in D Major (Formerly Attributed to JS Bach as BWV Anh. 122)
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subject of: OpenTimestamps Proof of Existence
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audio: CPE Bach: Notebook for Anna Magdalena Bach: March in D Major (Formerly Attributed to JS Bach as BWV Anh. 122)
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Gounod: 15 Mélodies enfantines: No. 15, L'arithmétique
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Gounod: 15 Mélodies enfantines: No. 15, L'arithmétique
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Ropartz: Jeunes filles: No. 5, La capricieuse
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Ropartz: Jeunes filles: No. 5, La capricieuse
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Grieg: The Mountain Maid, Op. 67: No. 6, Kidlings' Dance (Version for Trumpet and Piano)
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  date published: 2026-07-02T03:55:08Z
audio: Grieg: The Mountain Maid, Op. 67: No. 6, Kidlings' Dance (Version for Trumpet and Piano)
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Rossini: Péchés de vieillesse, Vol. 5 "Album pour les enfants adolescents": No. 10, Ouf ! Les petits pois
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
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Elgar: Dream Children, Op. 43: I. Andante
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  date published: 2026-07-02T11:34:59Z
audio: Elgar: Dream Children, Op. 43: I. Andante
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Villa-Lobos: A prole do bebê No. 1, W140: VI. A pobrezinha "A boneca de trapo"
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Villa-Lobos: A prole do bebê No. 1, W140: VI. A pobrezinha "A boneca de trapo"
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Mussorgsky: The Nursery: No. 7, Sailor the Cat
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by artist: Boris Christoff
by artist: Alexandre Labinsky
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genre: classical
genre: late-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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: Mussorgsky: The Nursery: No. 7, Sailor the Cat
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Mompou: Scènes d'enfants: No. 5, Jeunes filles au jardin
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Mompou: Scènes d'enfants: No. 5, Jeunes filles au jardin
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Britten: 4 Chansons françaises: No. 3, L'enfance
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by artist: Sir Simon Rattle
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by artist: City Of Birmingham Symphony Orchestra
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T01:26:17Z
audio: Britten: 4 Chansons françaises: No. 3, L'enfance
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Pierné: Album pour mes petits amis, Op. 14: No. 6, Marche des petits soldats de plomb
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T01:26:17Z
audio: Pierné: Album pour mes petits amis, Op. 14: No. 6, Marche des petits soldats de plomb
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Berlioz: L'enfance du Christ, Op. 25, H 130, Pt. 2 "La fuite en Égypte": L'adieu des bergers. "Il s'en va loin de la terre" (Chœur)
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by artist: André Cluytens
by artist: Choeurs Rene Duclos
by artist: Orchestre De La Société Des Concerts Du Conservatoire
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popularity: 7
genre: classical
genre: orchestra
isrc code: FRZ111700650
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Berlioz: L'enfance du Christ, Op. 25, H 130, Pt. 2 "La fuite en Égypte": L'adieu des bergers. "Il s'en va loin de la terre" (Chœur)
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Tchaikovsky: Children's Album, Op. 39: No. 23, The Organ-Grinder Sings
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by artist: Viktoria Postnikova
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popularity: 7
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Tchaikovsky: Children's Album, Op. 39: No. 23, The Organ-Grinder Sings
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Saint-Saëns: Étienne Marcel, Act III: Divertissement. Entrée des écoliers et des ribaudes (Transcr. Debussy for 2 Pianos)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
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Granados: Cuentos de la juventud, Op. 1: No. 1, Dedicatoria (Transcr. Isbin for Guitar)
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Franck: Les plaintes d'une poupée, FWV 20
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Brahms: 15 Volkskinderlieder, WoO 31: No. 4, Sandmännchen (Orch. Mackerras)
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Reger: 5 Neue Kinderlieder, Op. 142: No. 3, Maria am Rosenstrausch
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Pergolesi: Laudate pueri Dominum: VII. Sicut erat in principio
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Françaix: 15 Portraits d'enfants d'Auguste Renoir: No. 7, Fillette au chapeau bleu
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Gnossienne No. 3
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Variations on an Original Theme, Op. 36 "Enigma": Var. IX. (Nimrod). Adagio
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Suite in B-Flat Major, HWV 434: IV. Menuet (Arr. for Guitar by Michael Lewin)
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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: Wiegenlied, S. 198
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La Valse d'Amélie
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duration: PT2M38S
duration ms: 158546
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by artist: Yann Tiersen
by artist: Lavinia Meijer
in album: "Music for a While" - Relaxing Melodies
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popularity: 21
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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: La Valse d'Amélie
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Ma mère l'oye, M. 62: III. Pavane de la belle au bois dormant
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by artist: Pierre Boulez
by artist: New York Philharmonic
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Ma mère l'oye, M. 62: III. Pavane de la belle au bois dormant
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Music for a While (from Oedipus, Z. 583)
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by artist: Martin Fröst
by artist: Sebastien Dube
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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: Music for a While (from Oedipus, Z. 583)
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Polovetsian Dances from Prince Igor: Introduzione
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by artist: George Szell
by artist: The Cleveland Orchestra
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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: Polovetsian Dances from Prince Igor: Introduzione
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Pictures at an Exhibition: II. Il vecchio castello
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popularity: 19
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Pictures at an Exhibition: II. Il vecchio castello
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Sonata in F Minor, K. 466 (Arr. for Guitar by Michael Lewin)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Sonata in F Minor, K. 466 (Arr. for Guitar by Michael Lewin)
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Zdes' khorosho, Op. 21, No. 7
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Lyric Pieces, Book III, Op.47: 3. Melody - Live
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3 Gymnopédies: No. 1, Lent et douloureux
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Rêverie, L. 68
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Cavalleria rusticana: Act I: Intermezzo sinfonico
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6 Chorale Preludes, BV B 50: Herzlich tut mich verlangen, Op. 122/10
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Song Without Words, Op. 109
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La fille aux cheveux de lin
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12407841
additional property: OTSTimestamp
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  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 0x6996c74f51215f68916a5bb5cc3dcb8dfd559ea08517e3db2e7080bd56b6eafd. 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/USSM12407841.
  date published: 2026-07-08T03:20:19Z
audio: La fille aux cheveux de lin
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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: 0.392
  additional property: Energy
    type: PropertyValue
    value: 0.006
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.745
  additional property: Liveness
    type: PropertyValue
    value: 0.062
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.079
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.378
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sonata in D Minor, K. 32 (Arr. for Guitar by Michael Lewin)
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duration: PT2M52S
duration ms: 172880
explicit: false
by artist: Domenico Scarlatti
by artist: Miloš Karadaglić
in album: "Music for a While" - Relaxing Melodies
  type: MusicAlbum
  date published: 2025-06-01
popularity: 15
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
isrc code: USSM12303911
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12303911
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 0x508b6624efb027766bb82e03be85db9cbf68d45e5df8ddd01ae29af4d51608ff. 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/USSM12303911.
  date published: 2026-07-08T03:22:41Z
audio: Sonata in D Minor, K. 32 (Arr. for Guitar by Michael Lewin)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.824
  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: 0.456
  additional property: Energy
    type: PropertyValue
    value: 0.008
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.936
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.261
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.447
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Carnival of the Animals, R. 125: The Swan
type: MusicRecording
duration: PT3M6S
duration ms: 186453
explicit: false
by artist: Camille Saint-Saëns
by artist: Philippe Entremont
by artist: Gaby Casadesus
by artist: Yo-Yo Ma
by artist: Michel Cerruti
by artist: Michel Cals
by artist: Régis Pasquier
by artist: Yan Pascal Tortelier
by artist: Gabin Lauridon
by artist: Gerard Causse
by artist: Alain Marion
by artist: Michel Arrignon
in album: "Music for a While" - Relaxing Melodies
  type: MusicAlbum
  date published: 2025-06-01
popularity: 16
genre: classical
genre: late-romantic-era
genre: french-romanticism
isrc code: USSM17800662
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T19:21:48+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xf48d7d689337e9385e22e0b7cd1dc44771b9a700ed7067cbdcd9b2f7e8c2fff7
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/USSM17800662
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 0xf48d7d689337e9385e22e0b7cd1dc44771b9a700ed7067cbdcd9b2f7e8c2fff7. 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/USSM17800662.
  date published: 2026-07-08T03:22:41Z
audio: Carnival of the Animals, R. 125: The Swan
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.632
  additional property: Musical Key
    type: PropertyValue
    value: 7