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Vivaldi: The Four Seasons, Violin Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": III. Presto
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audio: Morricone: Gabriel's Oboe (From "The Mission") [Transcr. Longfield for Clarinet & Orchestra]
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Monti: Czárdás (Transcr. Delale)
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Prologue
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Williams: Main Theme (From "Schindler's List")
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Shostakovich: Suite for Jazz Orchestra No. 2, Op. 50b: No. 2, Waltz
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Mozart: Le nozze di Figaro, K. 492, Act 2: "Voi che sapete" (Cherubino)
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Beethoven: Symphony No. 7 in A Major, Op. 92: II. Allegretto (Excerpt)
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Mozart: Symphony No. 25 in G Minor, K. 183: I. Allegro con brio (Excerpt)
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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: Symphony No. 25 in G Minor, K. 183: I. Allegro con brio (Excerpt)
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Bizet: Carmen, WD 31, Act 1: Habanera (Arr. Baldeyrou for Clarinet and Piano)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Caccini: Ave Maria
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Caccini: Ave Maria
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Tchaikovsky: Swan Lake, Op. 20, Act 2: No. 10, Scene. Moderato
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Tchaikovsky: Swan Lake, Op. 20, Act 2: No. 10, Scene. Moderato
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Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro (Excerpt)
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  date published: 2026-07-02T03:55:08Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro (Excerpt)
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Mozart: Requiem in D Minor, K. 626: Lacrimosa
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Mozart: Requiem in D Minor, K. 626: Lacrimosa
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Handel: Rinaldo, HWV 7, Act 2: Aria. "Lascia ch'io pianga" (Almirena)
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Tchaikovsky: The Nutcracker, Op. 71, Act 1: No. 2, March
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Verdi: Nabucco, Act 3: Coro di schiavi ebrei. "Va pensiero, sull'ali dorate" (Excerpt)
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Mozart: Clarinet Concerto in A Major, K. 622: II. Adagio (Excerpt)
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Tchaikovsky: Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso - Allegro con spirito
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Albéniz: Suite Española No. 1, Op. 47: V. Asturias "Leyenda" (Excerpt)
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Brahms: Hungarian Dances, WoO 1: No. 5 in F-Sharp Minor
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Rossini: Il barbiere di Siviglia: Overture (Excerpt)
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Debussy: Clair de lune and Other Masterpieces
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    date published: 2026-07-08T03:22:41Z
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track: Debussy: String Quartet in G Minor, Op. 10, CD 91, L. 85: II. Assez vif et bien rythmé
track: Debussy: Rêverie, CD 76, L. 68
track: Debussy: La Mer, CD 111, L. 109: II. Jeux de vagues
track: Debussy: Cello Sonata in D Minor, CD 144, L. 135: III. Final. Animé, léger et nerveux
track: Debussy: Pour le piano, L. 95: III. Toccata
track: Debussy: Fantaisie for Piano and Orchestra, CD 72, L. 73: I. Andante - Allegro
track: Debussy: Estampes, CD 108, L. 100: No. 3, Jardins sous la pluie
track: Debussy: Fêtes galantes, Livre I, CD 86, L. 80: I. En sourdine
track: Debussy: Beau soir, CD 84, L. 6
track: Debussy: Première rapsodie in B-Flat Major, CD 124, L. 116 (Orchestral Version)
track: Debussy: Children's Corner, CD 119, L. 113: No. 6, Golliwog's Cake Walk
track: Debussy / Orch. Stokowski: Suite bergamasque, CD 82, L. 75: III. Clair de lune
track: Debussy: Nuit d'étoiles, CD 2, L. 4
track: Debussy: 3 Chansons de Bilitis, CD 97 L. 90: No. 1, La flûte de Pan
track: Debussy: Violin Sonata in G Minor, CD 148, L. 140: I. Allegro vivo
track: Debussy: Beau soir, CD 84, L. 6 (Arr. Heifetz for Violin and Piano)

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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: 2026-07-02T03:30:09Z
audio: Debussy: Cello Sonata in D Minor, CD 144, L. 135: III. Final. Animé, léger et nerveux
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Debussy: Pour le piano, L. 95: III. Toccata
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duration: PT4M9S
duration ms: 249106
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by artist: Alain Lefèvre
in album: Debussy: Clair de lune and Other Masterpieces
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popularity: 5
genre: classical
genre: impressionism
genre: post-romantic-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Debussy: Pour le piano, L. 95: III. Toccata
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Debussy: Fantaisie for Piano and Orchestra, CD 72, L. 73: I. Andante - Allegro
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duration: PT7M22S
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by artist: Claude Debussy
by artist: François-René Duchâble
by artist: Orchestre National Du Capitole De Toulouse
by artist: Michel Plasson
in album: Debussy: Clair de lune and Other Masterpieces
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popularity: 4
genre: classical
genre: impressionism
genre: post-romantic-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Debussy: Fantaisie for Piano and Orchestra, CD 72, L. 73: I. Andante - Allegro
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Debussy: Estampes, CD 108, L. 100: No. 3, Jardins sous la pluie
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duration: PT3M38S
duration ms: 218093
explicit: false
by artist: Claude Debussy
by artist: Claudio Arrau
in album: Debussy: Clair de lune and Other Masterpieces
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popularity: 3
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: 2026-07-02T03:55:08Z
audio: Debussy: Estampes, CD 108, L. 100: No. 3, Jardins sous la pluie
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Debussy: Fêtes galantes, Livre I, CD 86, L. 80: I. En sourdine
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duration: PT3M4S
duration ms: 184573
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by artist: Claude Debussy
by artist: Victoria de los Ángeles
by artist: Gonzalo Soriano
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popularity: 3
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: 2026-07-08T03:53:27Z
audio: Debussy: Fêtes galantes, Livre I, CD 86, L. 80: I. En sourdine
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Debussy: Beau soir, CD 84, L. 6
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duration: PT2M17S
duration ms: 137000
explicit: false
by artist: Claude Debussy
by artist: Véronique Gens
by artist: Roger Vignoles
in album: Debussy: Clair de lune and Other Masterpieces
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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: Beau soir, CD 84, L. 6
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Debussy: Première rapsodie in B-Flat Major, CD 124, L. 116 (Orchestral Version)
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duration: PT8M29S
duration ms: 509533
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by artist: Claude Debussy
by artist: Sabine Meyer
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
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popularity: 5
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: 2026-07-08T03:20:19Z
audio: Debussy: Première rapsodie in B-Flat Major, CD 124, L. 116 (Orchestral Version)
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Debussy: Children's Corner, CD 119, L. 113: No. 6, Golliwog's Cake Walk
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duration: PT2M51S
duration ms: 171906
explicit: false
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by artist: Moura Lympany
in album: Debussy: Clair de lune and Other Masterpieces
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  date published: 2024-04-22
popularity: 5
genre: classical
genre: impressionism
genre: post-romantic-era
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd5274ae985043b9e04704f50f4059934bcfa9609dfe6ce4b72f5950b16d7522. 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/GBAYC8804529.
  date published: 2026-07-02T03:55:08Z
audio: Debussy: Children's Corner, CD 119, L. 113: No. 6, Golliwog's Cake Walk
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Debussy / Orch. Stokowski: Suite bergamasque, CD 82, L. 75: III. Clair de lune
type: MusicRecording
duration: PT5M11S
duration ms: 311520
explicit: false
by artist: Claude Debussy
by artist: Wolfgang Sawallisch
by artist: Philadelphia Orchestra
in album: Debussy: Clair de lune and Other Masterpieces
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  date published: 2024-04-22
popularity: 12
genre: classical
genre: impressionism
genre: post-romantic-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba8f64f089846b8da7df6b614a6d063332b2afcdba288f7dbff760b3ff8b0804. 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/GBAYC9502830.
  date published: 2026-07-02T03:55:08Z
audio: Debussy / Orch. Stokowski: Suite bergamasque, CD 82, L. 75: III. Clair de lune
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Debussy: Nuit d'étoiles, CD 2, L. 4
type: MusicRecording
duration: PT2M59S
duration ms: 179733
explicit: false
by artist: Claude Debussy
by artist: Sabine Devieilhe
by artist: Alexandre Tharaud
in album: Debussy: Clair de lune and Other Masterpieces
  type: MusicAlbum
  date published: 2024-04-22
popularity: 7
genre: classical
genre: impressionism
genre: post-romantic-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38b1fdfb4548ad11a3ed571bf249693e9166f6072b75185acbe4cc97c0643699. 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/GBAYC2002125.
  date published: 2026-07-02T03:55:08Z
audio: Debussy: Nuit d'étoiles, CD 2, L. 4
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Debussy: 3 Chansons de Bilitis, CD 97 L. 90: No. 1, La flûte de Pan
type: MusicRecording
duration: PT2M26S
duration ms: 146573
explicit: false
by artist: Claude Debussy
by artist: Marianne Crebassa
by artist: Fazıl Say
in album: Debussy: Clair de lune and Other Masterpieces
  type: MusicAlbum
  date published: 2024-04-22
popularity: 4
genre: classical
genre: impressionism
genre: post-romantic-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8eb9d8ffce0816de00e76df7a3a0b6d66dd4133bac787d4cdc46c9504ab261aa. 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/GBAYC1702020.
  date published: 2026-07-08T08:56:20Z
audio: Debussy: 3 Chansons de Bilitis, CD 97 L. 90: No. 1, La flûte de Pan
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Debussy: Violin Sonata in G Minor, CD 148, L. 140: I. Allegro vivo
type: MusicRecording
duration: PT5M1S
duration ms: 301360
explicit: false
by artist: Claude Debussy
by artist: Augustin Dumay
by artist: Jean-Philippe Collard
in album: Debussy: Clair de lune and Other Masterpieces
  type: MusicAlbum
  date published: 2024-04-22
popularity: 1
genre: classical
genre: impressionism
genre: post-romantic-era
isrc code: FRZ111200641
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ca8f7691c9096aa18a1d94cff857b52ae19fbd660bb65d4c5cbb906536fc3ae. 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/FRZ111200641.
  date published: 2026-07-08T08:56:20Z
audio: Debussy: Violin Sonata in G Minor, CD 148, L. 140: I. Allegro vivo
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Debussy: Beau soir, CD 84, L. 6 (Arr. Heifetz for Violin and Piano)
type: MusicRecording
duration: PT2M17S
duration ms: 137733
explicit: false
by artist: Claude Debussy
by artist: Kyung Wha Chung
by artist: Itamar Golan
in album: Debussy: Clair de lune and Other Masterpieces
  type: MusicAlbum
  date published: 2024-04-22
popularity: 13
genre: classical
genre: impressionism
genre: post-romantic-era
isrc code: GBAYC9802699
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e88e8116cd6d9d92bfac11a2fb56f89c57e1ef9a05bc91f3047b94493d8e103. 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/GBAYC9802699.
  date published: 2026-07-02T03:55:08Z
audio: Debussy: Beau soir, CD 84, L. 6 (Arr. Heifetz for Violin and Piano)
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The Very Best of Mozart
type: MusicAlbum
date published: 2006-01-09
track: Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro
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  duration: PT7M12S
  duration ms: 432545
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  by artist: Wolfgang Amadeus Mozart
  by artist: Yehudi Menuhin
  by artist: Sinfonia Varsovia
  in album: The Very Best of Mozart
    type: MusicAlbum
    date published: 2006-01-09
  popularity: 45
  genre: classical
  genre: classical-era
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  additional property: CopyrightID
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  additional property: OTSVerificationAPI
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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: 2026-06-13T12:47:07Z
  audio: Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro
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track: Mozart: Piano Sonata No. 11 in A Major, Op. 6 No. 2, K. 331 "Alla Turca": III. Allegretto. Turkish March
track: Mozart: Le nozze di Figaro, K. 492: Sinfonia
track: Mozart: Clarinet Quintet in A Major, K. 581 "Stadler": II. Larghetto
track: Mozart: Le nozze di Figaro, K. 492, Act 2: Arietta. "Voi, che sapete che cosa è amor" (Cherubino)
track: Mozart: Ave verum corpus, K. 618
track: Mozart: Le nozze di Figaro, K. 492, Act 1: Aria. "Non più andrai, farfallone amoroso" (Figaro)
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track: Mozart: Le nozze di Figaro, K. 492, Act 2 Scene 1: No. 10, Cavatina, "Porgi, amor" (Contessa)
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track: Mozart: Requiem in D Minor, K. 626: I. Introitus
track: Mozart: Das Butterbrot, K. Anh. 284n
track: Mozart: Requiem in D Minor, K. 626: II. Kyrie
track: Mozart: Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo. Allegro vivace
track: Mozart: Requiem in D Minor, K. 626: VIII. Lacrimosa
track: Mozart: Die Entführung aus dem Serail, K. 384: Overture
track: Mozart: Symphony No. 41 in C Major, K. 551 "Jupiter": IV. Molto allegro
track: Mozart: Concerto for Flute and Harp in C Major, K. 299/297c: II. Andantino
track: Mozart: Mass No. 15 in C Major, K. 317 "Coronation Mass": II. Gloria

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    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.205
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.232
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Die Zauberflöte, K. 620, Act 2: "O Isis und Osiris" (Sarastro, Chorus)
type: MusicRecording
duration: PT3M12S
duration ms: 192440
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Roger Norrington
by artist: Cornelius Hauptmann
by artist: London Classical Players
by artist: Schütz Choir of London
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 32
genre: classical
genre: classical-era
isrc code: GBAYC9001019
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T16:37:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3377f10828dc2b1aec9a1f92581865a7b0779dfe408c94695afe4f2798adb11c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9001019
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 0x3377f10828dc2b1aec9a1f92581865a7b0779dfe408c94695afe4f2798adb11c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBAYC9001019.
  date published: 2026-06-13T17:25:41Z
audio: Mozart: Die Zauberflöte, K. 620, Act 2: "O Isis und Osiris" (Sarastro, Chorus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.777
  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: 0.203
  additional property: Energy
    type: PropertyValue
    value: 0.08
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.742
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.113
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.259
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Don Giovanni, K. 527, Act 1: Aria. "Fin ch'han dal vino" (Don Giovanni)
type: MusicRecording
duration: PT1M40S
duration ms: 100173
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Roger Norrington
by artist: Andreas Schmidt
by artist: London Classical Players
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 38
genre: classical
genre: classical-era
isrc code: GBAYC9200877
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T12:01:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf0a7bf13a8f31012c251c8055a8e5143a9dde8d82b4383e36252a8e63f7557f6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200877
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
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 0xf0a7bf13a8f31012c251c8055a8e5143a9dde8d82b4383e36252a8e63f7557f6. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200877.
  date published: 2026-06-13T15:41:10Z
audio: Mozart: Don Giovanni, K. 527, Act 1: Aria. "Fin ch'han dal vino" (Don Giovanni)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.016
  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: 0.643
  additional property: Energy
    type: PropertyValue
    value: 0.431
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.255
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.765
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.419
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Die Zauberflöte, K. 620, Act 1 Scene 6: No. 4, Rezitativ und Arie, "O zittre nicht, mein lieber Sohn!" (Königin der Nacht)
type: MusicRecording
duration: PT4M19S
duration ms: 259320
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Roger Norrington
by artist: London Classical Players
by artist: Beverly Hoch
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 32
genre: classical
genre: classical-era
isrc code: GBAYC9000996
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T16:35:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc6c43817d9984bc74fb06930e86508e06dc4fb5b345bbd387a3c9a7afe6da89b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9000996
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
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 0xc6c43817d9984bc74fb06930e86508e06dc4fb5b345bbd387a3c9a7afe6da89b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9000996.
  date published: 2026-06-13T15:41:10Z
audio: Mozart: Die Zauberflöte, K. 620, Act 1 Scene 6: No. 4, Rezitativ und Arie, "O zittre nicht, mein lieber Sohn!" (Königin der Nacht)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.011
  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: 0.406
  additional property: Energy
    type: PropertyValue
    value: 0.161
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.078
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.42
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Don Giovanni, K. 527, Act 1: Duettino. "Là ci darem la mano" (Don Giovanni, Zerlina)
type: MusicRecording
duration: PT2M40S
duration ms: 160293
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Roger Norrington
by artist: Andreas Schmidt
by artist: Nancy Argenta
by artist: London Classical Players
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 37
genre: classical
genre: classical-era
isrc code: GBAYC9200866
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T16:18:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x23f4b0a69ef610bbce376421a5b878dc5f06975dfd3ca5918fd2dcb67e915978
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200866
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 0x23f4b0a69ef610bbce376421a5b878dc5f06975dfd3ca5918fd2dcb67e915978. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBAYC9200866.
  date published: 2026-06-13T17:25:41Z
audio: Mozart: Don Giovanni, K. 527, Act 1: Duettino. "Là ci darem la mano" (Don Giovanni, Zerlina)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.032
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.351
  additional property: Energy
    type: PropertyValue
    value: 0.107
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.02
  additional property: Liveness
    type: PropertyValue
    value: 0.42
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.189
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.209
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Die Zauberflöte, K. 620, Act 2: "Pa-pa-pa" (Papageno, Papagena)
type: MusicRecording
duration: PT2M23S
duration ms: 143080
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Catherine Pierard
by artist: Andreas Schmidt
by artist: Sir Roger Norrington
by artist: London Classical Players
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 32
genre: classical
genre: classical-era
isrc code: GBAYC9001060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T09:36:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4a46ed6dc7a26c18b9db25664248d2180de2dd3ac47ccf047e4c294da840217b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9001060
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
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 0x4a46ed6dc7a26c18b9db25664248d2180de2dd3ac47ccf047e4c294da840217b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9001060.
  date published: 2026-06-13T15:41:10Z
audio: Mozart: Die Zauberflöte, K. 620, Act 2: "Pa-pa-pa" (Papageno, Papagena)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.448
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.576
  additional property: Energy
    type: PropertyValue
    value: 0.245
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.461
  additional property: Liveness
    type: PropertyValue
    value: 0.077
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.39
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.345
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Violin Concerto No. 5 in A Major, K. 219 "Turkish": III. Rondeau. Tempo di menuetto
type: MusicRecording
duration: PT8M34S
duration ms: 514773
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Christian Tetzlaff
by artist: The Deutsche Kammerphilharmonie Bremen
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 38
genre: classical
genre: classical-era
isrc code: GBAYC9501552
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T11:12:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7fcfba9fab21646347e9b83db35672b89593591097d8605ad30199a7933d5110
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9501552
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fcfba9fab21646347e9b83db35672b89593591097d8605ad30199a7933d5110. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9501552.
  date published: 2026-06-13T12:47:07Z
audio: Mozart: Violin Concerto No. 5 in A Major, K. 219 "Turkish": III. Rondeau. Tempo di menuetto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.675
  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: 0.307
  additional property: Energy
    type: PropertyValue
    value: 0.125
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.209
  additional property: Liveness
    type: PropertyValue
    value: 0.119
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.263
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.101
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Le nozze di Figaro, K. 492: Sinfonia
type: MusicRecording
duration: PT3M58S
duration ms: 238266
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Wiener Philharmoniker
by artist: Riccardo Muti
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 38
genre: classical
genre: classical-era
isrc code: GBAYC8600623
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T12:00:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x65f6211a04ac159dad896d3d025c7074175805b275dc59c8d2b0a4c562dca019
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8600623
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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Mozart: Clarinet Quintet in A Major, K. 581 "Stadler": II. Larghetto
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  date published: 2026-06-13T15:41:10Z
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Mozart: Le nozze di Figaro, K. 492, Act 2: Arietta. "Voi, che sapete che cosa è amor" (Cherubino)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
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Mozart: Ave verum corpus, K. 618
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  date published: 2026-06-13T17:25:41Z
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Mozart: Le nozze di Figaro, K. 492, Act 1: Aria. "Non più andrai, farfallone amoroso" (Figaro)
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  date published: 2026-06-13T15:41:10Z
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Mozart: String Quartet No. 14 in G Major, Op. 10 No. 1, K. 387 "Spring": IV. Molto allegro
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  date published: 2026-06-13T17:25:41Z
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Mozart: Le nozze di Figaro, K. 492, Act 2 Scene 1: No. 10, Cavatina, "Porgi, amor" (Contessa)
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  date published: 2026-06-13T12:47:07Z
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Serenade No. 13 in G Major, K.525 'Eine kleine Nachtmusik': I. Allegro
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9000740
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
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 0x072f09a525a9c3e123106ee553aa79c21df88c5d666afd9e60f4213a5d4defc2. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9000740.
  date published: 2026-06-13T15:41:10Z
audio: Serenade No. 13 in G Major, K.525 'Eine kleine Nachtmusik': I. Allegro
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  additional property: Tempo (BPM)
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    value: 147.491
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.936
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.394
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.065
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
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Mozart: Requiem in D Minor, K. 626: I. Introitus
type: MusicRecording
duration: PT4M11S
duration ms: 251853
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Michel Corboz
by artist: Efrat Ben Nun
by artist: Ensemble Vocal de Lausanne
by artist: Orchestre de Chambre de Genève
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 36
genre: classical
genre: classical-era
isrc code: GBAYC9503466
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T21:09:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e260f1b45417fe10d1f4527e7424eb94d9b9b95c718dafa70631f9bbf4ac216
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503466
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
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 0x4e260f1b45417fe10d1f4527e7424eb94d9b9b95c718dafa70631f9bbf4ac216. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503466.
  date published: 2026-06-13T15:41:10Z
audio: Mozart: Requiem in D Minor, K. 626: I. Introitus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.448
  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: 0.155
  additional property: Energy
    type: PropertyValue
    value: 0.13
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.82
  additional property: Liveness
    type: PropertyValue
    value: 0.087
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.478
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Das Butterbrot, K. Anh. 284n
type: MusicRecording
duration: PT1M15S
duration ms: 75133
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emile Naoumoff
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 32
genre: classical
genre: classical-era
isrc code: FRZ118600560
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T22:57:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe357591d1999fdad0a2614ae323df8c5d45a7d52867e4e1089117ea920858002
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ118600560
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 0xe357591d1999fdad0a2614ae323df8c5d45a7d52867e4e1089117ea920858002. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/FRZ118600560.
  date published: 2026-06-13T17:25:41Z
audio: Mozart: Das Butterbrot, K. Anh. 284n
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.408
  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: 0.581
  additional property: Energy
    type: PropertyValue
    value: 0.014
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.675
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.4
  additional property: Loudness (dB)
    type: PropertyValue
    value: -35.119
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Requiem in D Minor, K. 626: II. Kyrie
type: MusicRecording
duration: PT2M22S
duration ms: 142693
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Michel Corboz
by artist: Ensemble Vocal de Lausanne
by artist: Orchestre de Chambre de Genève
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 34
genre: classical
genre: classical-era
isrc code: GBAYC9503467
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T01:41:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x47b6f6dbe99759a286e30f8bb9e5181383f979136e5c92fbd07a6d180f292f02
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503467
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47b6f6dbe99759a286e30f8bb9e5181383f979136e5c92fbd07a6d180f292f02. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503467.
  date published: 2026-06-13T12:47:07Z
audio: Mozart: Requiem in D Minor, K. 626: II. Kyrie
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.623
  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: 0.327
  additional property: Energy
    type: PropertyValue
    value: 0.295
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.817
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.339
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.944
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mozart: Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo. Allegro vivace
type: MusicRecording
duration: PT3M53S
duration ms: 233800
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Timothy Brown
by artist: Orchestra of the Age of Enlightenment
by artist: Sigiswald Kuijken
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 32
genre: classical
genre: classical-era
isrc code: GBAYC8901193
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T22:56:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbeac2011dc78153632b7479b952a0a1fb23bfc2afb3d9a9707d3e351ceffff00
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8901193
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 0xbeac2011dc78153632b7479b952a0a1fb23bfc2afb3d9a9707d3e351ceffff00. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBAYC8901193.
  date published: 2026-06-13T17:25:41Z
audio: Mozart: Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo. Allegro vivace
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.205
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.436
  additional property: Energy
    type: PropertyValue
    value: 0.213
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.95
  additional property: Liveness
    type: PropertyValue
    value: 0.129
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.404
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.571
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Requiem in D Minor, K. 626: VIII. Lacrimosa
type: MusicRecording
duration: PT3M16S
duration ms: 196133
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Michel Corboz
by artist: Ensemble Vocal de Lausanne
by artist: Orchestre de Chambre de Genève
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 35
genre: classical
genre: classical-era
isrc code: GBAYC9503474
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T21:07:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8303a402b5b78436589250ae38c7cc1a5357ade243c0c1c6a169f64980b872f0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503474
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8303a402b5b78436589250ae38c7cc1a5357ade243c0c1c6a169f64980b872f0. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503474.
  date published: 2026-06-13T12:47:07Z
audio: Mozart: Requiem in D Minor, K. 626: VIII. Lacrimosa
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.497
  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: 0.125
  additional property: Energy
    type: PropertyValue
    value: 0.04
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.555
  additional property: Liveness
    type: PropertyValue
    value: 0.076
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.91
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mozart: Die Entführung aus dem Serail, K. 384: Overture
type: MusicRecording
duration: PT5M42S
duration ms: 342746
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 31
genre: classical
genre: classical-era
isrc code: GBAYC8100078
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T22:56:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc399dae0f05d485adb125b47c5e475ed5baf3edd922259c54aa0379637ec1fb7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8100078
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 0xc399dae0f05d485adb125b47c5e475ed5baf3edd922259c54aa0379637ec1fb7. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBAYC8100078.
  date published: 2026-06-13T17:25:41Z
audio: Mozart: Die Entführung aus dem Serail, K. 384: Overture
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.311
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.218
  additional property: Energy
    type: PropertyValue
    value: 0.247
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.878
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.465
  additional property: Liveness
    type: PropertyValue
    value: 0.063
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.147
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.121
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony No. 41 in C Major, K. 551 "Jupiter": IV. Molto allegro
type: MusicRecording
duration: PT8M23S
duration ms: 503986
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Yehudi Menuhin
by artist: Sinfonia Varsovia
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 35
genre: classical
genre: classical-era
isrc code: GBAYC8901629
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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50 Best Adagios
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Mozart: Clarinet Concerto in A Major, K. 622: II. Adagio
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subject of: OpenTimestamps Proof of Existence
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Saint-Saëns: Le carnaval des animaux, R 125: XIII. Le cygne
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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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Allegri: Miserere mei, Deus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Allegri: Miserere mei, Deus
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Mozart: Piano Concerto No. 20 in D Minor, K. 466: II. Romance
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Mozart: Piano Concerto No. 20 in D Minor, K. 466: II. Romance
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Debussy: Suite bergamasque, CD 82, L. 75: III. Clair de lune
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  date published: 2026-07-08T03:22:41Z
audio: Debussy: Suite bergamasque, CD 82, L. 75: III. Clair de lune
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Debussy: Préludes, Livre I, CD 125, L. 117: No. 6, Des pas sur la neige
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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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Vivaldi: The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": II. Largo e pianissimo sempre
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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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Debussy: Préludes, Livre I, CD 125, L. 117: No. 10, La cathédrale engloutie
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Vivaldi: The Four Seasons, Violin Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": II. Adagio
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Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante
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  date published: 2026-07-08T03:22:41Z
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Vivaldi: The Four Seasons, Violin Concerto in F Major, Op. 8 No. 3, RV 293 "Autumn": II. Adagio molto
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Mozart: Piano Concerto No. 23 in A Major, K. 488: II. Andante
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Fauré: Pavane, Op. 50
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Vivaldi: The Four Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": II. Largo
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Mozart: Piano Concerto No. 24 in C Minor, K. 491: II. Larghetto
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Vivaldi: Mandolin Concerto in C Major, RV 425: II. Largo
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Mozart: Maurerische Trauermusik, K. 477
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Mozart: Clarinet Quintet in A Major, K. 581: II. Larghetto
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audio: Mozart: Clarinet Quintet in A Major, K. 581: II. Larghetto
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Bach, JS: Harpsichord Concerto No. 5 in F Minor, BWV 1056: II. Largo
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Satie: 6 Gnossiennes: No. 1, Lent
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Bach, JS: Concerto for Two Violins in D Minor, BWV 1043: II. Largo ma non tanto
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Mozart: Concerto for Flute and Harp in C Major, K. 299/297c: II. Andantino
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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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Satie: 3 Gymnopédies: No. 3, Lent et grave
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subject of: OpenTimestamps Proof of Existence
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Ravel: Piano Concerto in G Major, M. 83: II. Adagio assai
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  date published: 2026-07-08T03:22:41Z
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Bach, JS: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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  date published: 2026-07-08T03:22:41Z
audio: Bach, JS: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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Ravel / Orch. Hoérée: Vocalise-Étude en forme de Habanera, M. 51
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  date published: 2026-07-08T03:22:41Z
audio: Ravel / Orch. Hoérée: Vocalise-Étude en forme de Habanera, M. 51
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Bach, JS: Cello Suite No. 5 in C Minor, BWV 1011: IV. Sarabande
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  date published: 2026-07-08T03:53:27Z
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Haydn: Symphony No. 88 in G Major, Hob. I:88: II. Largo (Excerpt)
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Pergolesi: Stabat Mater: I. Stabat mater dolorosa
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by artist: Giovanni Battista Pergolesi
by artist: Véronique Gens
by artist: Gérard Lesne
by artist: Il Seminario Musicale
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popularity: 5
genre: classical
genre: choral
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Pergolesi: Stabat Mater: I. Stabat mater dolorosa
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Ravel: Pavane pour une infante défunte, M. 19 (Orchestral Version)
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duration: PT6M8S
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by artist: Maurice Ravel
by artist: Scottish Chamber Orchestra
by artist: Jukka-Pekka Saraste
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genre: classical
genre: impressionism
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
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Mozart: Ave verum corpus, K. 618
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by artist: Sir Roger Norrington
by artist: Schütz Choir of London
by artist: London Classical Players
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T13:52:39Z
audio: Mozart: Ave verum corpus, K. 618
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Handel: Serse, HWV 40, Act 1: Arioso. "Ombra mai fù" (Serse)
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duration: PT3M8S
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by artist: Orchestra of the Age of Enlightenment
by artist: Sir Roger Norrington
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popularity: 5
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T15:15:30Z
audio: Handel: Serse, HWV 40, Act 1: Arioso. "Ombra mai fù" (Serse)
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Pärt: Solfeggio
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by artist: Estonian Philharmonic Chamber Choir
by artist: Tõnu Kaljuste
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Pärt: Solfeggio
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Tavener: The Protecting Veil: VIII. The Protecting Veil
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by artist: Steven Isserlis
by artist: London Symphony Orchestra
by artist: Gennadi Rozhdestvensky
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popularity: 3
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Tavener: The Protecting Veil: VIII. The Protecting Veil
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100 Best Classical Composers
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date published: 2012-10-29
track: Tallis: Spem in alium
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Schubert: Schwanengesang, D. 957: No. 4, Ständchen (Arr. for Cello and Piano)
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Purcell: Abdelazer, Z. 570: II. Rondeau
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Vivaldi: The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": I. Allegro
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Les Indes galantes : Les Sauvages - Danse du Calumet de la Paix et duo Forêts paisibles
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Handel / Orch. Hale: Keyboard Suite No. 4 in D Minor, HWV 437: III. Sarabande
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55 Relaxing Classical Hits
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track: The Nutcracker, Op. 71, Divertissement: Var. 2: Dance of the Sugar-Plum Fairy - Coda [to Pas de deux]
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Adagio for Strings, Op. 11
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Thaïs, Act II: Méditation
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Goldberg Variations, BWV. 988: Aria
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Prélude à l'après-midi d'un faune, L. 86
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Cello Suite No. 1 in G Major, BWV. 1007: I. Prélude
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Violin Concerto No. 2 in D Major, K. 211: II. Andante
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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Ave verum corpus, K. 618
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Trois Gymnopédies: I. Lent et douloureux
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Trois Gymnopédies: III. Lent et grave
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Preludes, Op. 28: No. 15 in D-Flat Major 'Raindrop' (Sostenuto)
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Piano Concerto No. 21 in C Major, K. 467: II. Andante
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Kinderszenen, Op. 15: VII. Träumerei
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Serenade in E Minor for Strings, Op. 20: II. Larghetto
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Herz und Mund und Tat und Leben, BWV. 147: X. Choral, Jesu bleibet meine Freude (Jesu, joy of man's desiring)
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5 Lieder Op. 49 (arr. Truls Mørk): IV. Wiegenlied (Lullaby) (Scherer)
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String Quintet in C, D.956 (1992 Digital Remaster): II. Adagio (opening)
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Nocturnes, Op. 9: No. 2 in E-Flat Major
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Relaxing Music for a Whole Night Sleep
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100 Best Mozart
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T11:38:34Z
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track: Mozart: Clarinet Concerto in A Major, K. 622: II. Adagio
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    date published: 2026-07-02T03:55:08Z
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  subject of: OpenTimestamps Proof of Existence
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track: Mozart: Piano Concerto No. 21 in C Major, K. 467: II. Andante
track: Mozart: Symphony No. 35 in D Major, K. 385 "Haffner": IV. Finale. Presto
track: Mozart: Divertimento No. 17 in D Major, K. 334/320b: III. Menuetto - Trio
track: Mozart: Symphony No. 41 in C Major, K. 551 "Jupiter": IV. Molto allegro
track: Mozart: Piano Concerto No. 23 in A Major, K. 488: II. Andante
track: Mozart: Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo. Allegro vivace
track: Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino
track: Mozart: Le nozze di Figaro, K. 492: Sinfonia
track: Mozart: Le nozze di Figaro, K. 492, Act 1: "Non più andrai, farfallone amoroso" (Figaro)
track: Mozart: Le nozze di Figaro, K. 492, Act 2: Cavatina. "Porgi, amor" (La Contessa)
track: Mozart: Le nozze di Figaro, K. 492, Act 2: Arietta. "Voi, che sapete che cosa è amor" (Cherubino)

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OpenTimestamps Proof of Existence
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date published: 2026-07-06T06:56:49Z

Mozart: Symphony No. 25 in G Minor, K. 183: I. Allegro con brio (Excerpt)
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Mozart: Piano Concerto No. 21 in C Major, K. 467: II. Andante
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:53:57Z
audio: Mozart: Piano Concerto No. 21 in C Major, K. 467: II. Andante
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Mozart: Symphony No. 35 in D Major, K. 385 "Haffner": IV. Finale. Presto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Mozart: Symphony No. 35 in D Major, K. 385 "Haffner": IV. Finale. Presto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
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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/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYD8400263
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 0xcaacbc8c3ff82bde6246e402a702b32d9fb46060afcd7eb309ceee6e0cdca611. 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/GBAYD8400263.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Symphony No. 41 in C Major, K. 551 "Jupiter": IV. Molto allegro
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Mozart: Piano Concerto No. 23 in A Major, K. 488: II. Andante
type: MusicRecording
duration: PT7M35S
duration ms: 455706
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Daniel Barenboim
by artist: English Chamber Orchestra
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 9
genre: classical
genre: classical-era
isrc code: GBAYC8804519
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T19:03:46+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x8e76d5f528525673869b278963566ad0941664308b5b9b2e3f61aad4e7b96ae9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8804519
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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 0x8e76d5f528525673869b278963566ad0941664308b5b9b2e3f61aad4e7b96ae9. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBAYC8804519.
  date published: 2026-07-02T05:09:12Z
audio: Mozart: Piano Concerto No. 23 in A Major, K. 488: II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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    value: 6
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.216
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
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    value: 0.949
  additional property: Liveness
    type: PropertyValue
    value: 0.081
  additional property: Valence (Positivity)
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    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.62
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Mozart: Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo. Allegro vivace
type: MusicRecording
duration: PT3M36S
duration ms: 216000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Barry Tuckwell
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 3
genre: classical
genre: classical-era
isrc code: GBAYC8805740
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-29T07:08:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe080da2c15ca6e456c3c4cc3ee9749f7181266152036f9cf28aea8028d7ac1e7
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/GBAYC8805740
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 0xe080da2c15ca6e456c3c4cc3ee9749f7181266152036f9cf28aea8028d7ac1e7. 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/GBAYC8805740.
  date published: 2026-07-08T03:20:19Z
audio: Mozart: Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo. Allegro vivace
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.256
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.409
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.931
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.308
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.506
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
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Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino
type: MusicRecording
duration: PT9M45S
duration ms: 585186
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Jean-François Paillard
by artist: Jean-Pierre Rampal
by artist: Lily Laskine
by artist: Orchestre de chambre Jean-François Paillard
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 19
genre: classical
genre: classical-era
isrc code: FRZ200301000
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T20:51:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdaf2dfcc8f68878e73b4142cc78fb0357d102d52921c16acf9669c7654b3398f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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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/FRZ200301000
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 0xdaf2dfcc8f68878e73b4142cc78fb0357d102d52921c16acf9669c7654b3398f. 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/FRZ200301000.
  date published: 2026-07-02T03:55:08Z
audio: Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.817
  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: 0.263
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
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    value: 0.966
  additional property: Instrumentalness
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    value: 0.905
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.524
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
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Mozart: Le nozze di Figaro, K. 492: Sinfonia
type: MusicRecording
duration: PT3M58S
duration ms: 238266
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Wiener Philharmoniker
by artist: Riccardo Muti
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 3
genre: classical
genre: classical-era
isrc code: GBAYC8600623
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T12:00:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x65f6211a04ac159dad896d3d025c7074175805b275dc59c8d2b0a4c562dca019
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/GBAYC8600623
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 0x65f6211a04ac159dad896d3d025c7074175805b275dc59c8d2b0a4c562dca019. 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/GBAYC8600623.
  date published: 2026-07-08T03:20:19Z
audio: Mozart: Le nozze di Figaro, K. 492: Sinfonia
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 154.628
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.315
  additional property: Energy
    type: PropertyValue
    value: 0.182
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.819
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.348
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.904
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Le nozze di Figaro, K. 492, Act 1: "Non più andrai, farfallone amoroso" (Figaro)
type: MusicRecording
duration: PT3M40S
duration ms: 220186
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Thomas Allen
by artist: Wiener Philharmoniker
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 9
genre: classical
genre: classical-era
isrc code: GBAYC8600852
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T06:45:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7cf516beeb6caf8ddf7f2858446f2c83ae017a83bbccde26d166a4c947b080d8
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956894
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8600852
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
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 0x7cf516beeb6caf8ddf7f2858446f2c83ae017a83bbccde26d166a4c947b080d8. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/GBAYC8600852.
  date published: 2026-07-06T07:53:57Z
audio: Mozart: Le nozze di Figaro, K. 492, Act 1: "Non più andrai, farfallone amoroso" (Figaro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.583
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.463
  additional property: Energy
    type: PropertyValue
    value: 0.264
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.139
  additional property: Liveness
    type: PropertyValue
    value: 0.131
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.418
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.031
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Le nozze di Figaro, K. 492, Act 2: Cavatina. "Porgi, amor" (La Contessa)
type: MusicRecording
duration: PT3M47S
duration ms: 227506
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Margaret Price
by artist: Wiener Philharmoniker
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 2
genre: classical
genre: classical-era
isrc code: GBAYC8600645
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T19:31:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd1697a4f9cb69bed24162b18ea83214fd63ddc21f74414ea232594664c69f0e5
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8600645
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 0xd1697a4f9cb69bed24162b18ea83214fd63ddc21f74414ea232594664c69f0e5. 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/GBAYC8600645.
  date published: 2026-07-08T03:20:19Z
audio: Mozart: Le nozze di Figaro, K. 492, Act 2: Cavatina. "Porgi, amor" (La Contessa)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.989
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.133
  additional property: Energy
    type: PropertyValue
    value: 0.06
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.011
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.947
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
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Mozart: Le nozze di Figaro, K. 492, Act 2: Arietta. "Voi, che sapete che cosa è amor" (Cherubino)
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by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Ann Murray
by artist: Wiener Philharmoniker
in album: 100 Best Mozart
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  date published: 2019-04-05
popularity: 2
genre: classical
genre: classical-era
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