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description: Peter Damm (born 27 July 1937, Meiningen, Thüringen) is a German horn player. He began his musical education aged eleven, on the violin, and started playing the horn in 1951 and graduated from the Fr
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Horn Concerto No. 4 in E-Flat Major, K. 495: I. Allegro moderato
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Horn Concerto No. 4 in E-Flat Major, K. 495: II. Romanze. Andante
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Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo. Allegro vivace
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Horn Concerto No. 1 in D Major, K. 412/K. 386b: I. Allegro
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Horn Concerto No. 1 in D Major, K. 412/K. 386b: II. Rondo. Allegro
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Rondo for Horn and Orchestra in E-Flat Major, K. 371 (Fragment completed by Peter Damm)
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Horn Concerto No. 2 in E-Flat Major, K. 417: I. Allegro maestoso
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audio: Horn Concerto No. 2 in E-Flat Major, K. 417: I. Allegro maestoso
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Horn Concerto No. 2 in E-Flat Major, K. 417: II. Andante
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Horn Concerto No. 2 in E-Flat Major, K. 417: III. Rondo
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Horn Concerto No. 3 in E-Flat Major, K. 447: I. Allegro
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  date published: 2026-07-02T03:55:08Z
audio: Horn Concerto No. 3 in E-Flat Major, K. 447: I. Allegro
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Horn Concerto No. 3 in E-Flat Major, K. 447: II. Romance. Larghetto
type: MusicRecording
duration: PT4M34S
duration ms: 274866
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by artist: Wolfgang Amadeus Mozart
by artist: Herbert Blomstedt
by artist: Peter Damm
by artist: Staatskapelle Dresden
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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: 2026-07-02T05:09:12Z
audio: Horn Concerto No. 3 in E-Flat Major, K. 447: II. Romance. Larghetto
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Horn Concerto No. 3 in E-Flat Major, K. 447: III. Allegro
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duration: PT3M39S
duration ms: 219866
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by artist: Wolfgang Amadeus Mozart
by artist: Herbert Blomstedt
by artist: Peter Damm
by artist: Staatskapelle Dresden
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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: 2026-07-02T05:09:12Z
audio: Horn Concerto No. 3 in E-Flat Major, K. 447: III. Allegro
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Energy
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Speechiness
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Acousticness
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Instrumentalness
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Liveness
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Valence (Positivity)
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Loudness (dB)
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Horn Concerto No. 4 in E-Flat Major, K. 495: II. Romance. Andante cantabile
type: MusicRecording
duration: PT4M12S
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explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Peter Damm
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
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genre: classical
genre: classical-era
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: Horn Concerto No. 4 in E-Flat Major, K. 495: II. Romance. Andante cantabile
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Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo. Allegro vivace
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duration: PT3M39S
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by artist: Wolfgang Amadeus Mozart
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by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
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genre: classical
genre: classical-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: 2026-07-06T01:25:57Z
audio: Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo. Allegro vivace
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Mozart: The Horn Concertos
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date published: 1989-01-30
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  genre: classical
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:53:27Z
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track: Horn Concerto No. 2 in E flat, K.417: 2. Andante
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  subject of: OpenTimestamps Proof of Existence
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track: Horn Concerto No.3 in E flat, K.447: 3. Allegro
track: Horn Concerto No. 4 in E flat, K.495: 2. Romanza (Andante)
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Horn Concerto No.3 in E flat, K.447 - Cadenza: Peter Damm: 1. Allegro
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Horn Concerto No.3 in E flat, K.447: 2. Romanze (Larghetto)
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Horn Concerto No.3 in E flat, K.447: 3. Allegro
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Horn Concerto No. 4 in E flat, K.495: 2. Romanza (Andante)
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Horn Concerto No. 4 in E flat, K.495: 3. Rondo (Allegro vivace)
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Französische Musik für Horn und Klavier
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Horn Recital: Damm, Peter - Jean Francaix / Camille Saint-Saëns / Henri Busser /Charles Gounod / Eugène Bozza / Paul Dukas / Jean-Michel Damase / Gioacchino Rossini / Marcel Poot
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Romantic Horn Concertos
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Music for Horn and Organ
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Horn Recital: Damm / Krebs / Finger / Homilius / Viviani / Poulenc / Krol / Weber
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Strauss, R: Horn Concertos
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Mozart: Hornkonzerte
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track: Horn Concerto No. 4 in E-Flat Major, K. 495: I. Allegro moderato
track: Horn Concerto No. 4 in E-Flat Major, K. 495: II. Romanze. Andante
track: Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo. Allegro vivace
track: Horn Concerto No. 1 in D Major, K. 412/K. 386b: I. Allegro
track: Horn Concerto No. 1 in D Major, K. 412/K. 386b: II. Rondo. Allegro
track: Rondo for Horn and Orchestra in E-Flat Major, K. 371 (Fragment completed by Peter Damm)
track: Horn Concerto No. 2 in E-Flat Major, K. 417: I. Allegro maestoso
track: Horn Concerto No. 2 in E-Flat Major, K. 417: II. Andante
track: Horn Concerto No. 2 in E-Flat Major, K. 417: III. Rondo
track: Horn Concerto No. 3 in E-Flat Major, K. 447: I. Allegro
track: Horn Concerto No. 3 in E-Flat Major, K. 447: II. Romance. Larghetto
track: Horn Concerto No. 3 in E-Flat Major, K. 447: III. Allegro

Strauss: Horn Concertos Nos. 1 & 2
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Kinder Klassik - Instrumente
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track: String Quartet in F Major, M. 35: II. Assez vif, très rythmé
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String Quartet in F Major, M. 35: II. Assez vif, très rythmé
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Mozart: Horn Concertos - K. 412, 417, 447, 495 / Telemann, G.P.: Ouverture (Suite) in F Major / Fiala, J.: Concerto for 2 Horns
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track: Violin Concerto No. 1 in B-Flat Major, K. 207: 3. Presto
track: Violin Concerto No. 2 in D Major, K. 211: 1. Allegro moderato
track: Violin Concerto No. 5 in A Major, K. 219 "Turkish": I. Allegro aperto
track: Violin Concerto No. 2 in D Major, K. 211: 2. Andante
track: Violin Concerto No. 5 in A Major, K. 219 "Turkish": II. Adagio
track: Flute Concerto No. 1 in G Major, K. 313: II. Adagio non troppo
track: Violin Concerto No. 2 in D Major, K. 211: 3. Rondeau (Allegro)
track: Flute Concerto No. 1 in G Major, K. 313: III. Rondo. Tempo di menuetto
track: Sinfonia Concertante in A Major for Violin, Viola, Cello & Orchestra, K.320e
track: Violin Concerto No. 3 in G Major, K. 216: 2. Adagio
track: Adagio in E Major, K. 261

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Violin Concerto No. 2 in D Major, K. 211: 1. Allegro moderato
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Violin Concerto No. 5 in A Major, K. 219 "Turkish": I. Allegro aperto
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Violin Concerto No. 2 in D Major, K. 211: 2. Andante
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Violin Concerto No. 5 in A Major, K. 219 "Turkish": II. Adagio
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Flute Concerto No. 1 in G Major, K. 313: II. Adagio non troppo
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Violin Concerto No. 2 in D Major, K. 211: 3. Rondeau (Allegro)
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Flute Concerto No. 1 in G Major, K. 313: III. Rondo. Tempo di menuetto
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Sinfonia Concertante in A Major for Violin, Viola, Cello & Orchestra, K.320e
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Violin Concerto No. 3 in G Major, K. 216: 2. Adagio
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subject of: OpenTimestamps Proof of Existence
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Adagio in E Major, K. 261
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Mozart in the Morning
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track: Serenade in G, K.525 "Eine kleine Nachtmusik": 4. Rondo (Allegro)
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track: Horn Concerto No. 4 in E flat, K.495: 3. Rondo (Allegro vivace)
track: Piano Sonata No. 16 in C Major, K. 545 "Sonata facile": I. Allegro
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track: Flute Concerto No. 1 in G, K.313: 3. Rondo (Tempo di menuetto)
track: Divertimento in D major, K. 136: 1. Allegro
track: Three German Dances, K.605: No. 3 in C, Trio "Die Schlittenfahrt"
track: Piano Sonata No. 11 in A Major, K. 331: III. Alla turca. Allegretto
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track: Serenade in D, K.320 "Posthorn": 6. Minuetto
track: Serenade in B flat, K.361 "Gran partita": 7. Finale (Molto allegro)
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OpenTimestamps Proof of Existence
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date published: 2026-07-02T03:30:09Z

Symphony No. 28 in C, K.200: 4. Presto
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Horn Concerto No. 4 in E flat, K.495: 3. Rondo (Allegro vivace)
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508720511
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 0xfef1daf0b52ebe2cb4521ff9f1ae4c9183249483d8ed5189ab02524d6efa0c8c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508720511.
  date published: 2026-07-02T03:30:09Z
audio: Horn Concerto No. 4 in E flat, K.495: 3. Rondo (Allegro vivace)
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Piano Sonata No. 16 in C Major, K. 545 "Sonata facile": I. Allegro
type: MusicRecording
duration: PT4M33S
duration ms: 273000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Mitsuko Uchida
in album: Mozart in the Morning
  type: MusicAlbum
  date published: 1992-09-15
genre: classical
genre: classical-era
isrc code: NLA508310401
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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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
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  date published: 2026-06-13T12:47:07Z
audio: Piano Sonata No. 16 in C Major, K. 545 "Sonata facile": I. Allegro
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Don Giovanni, ossia Il dissoluto punito, K.527 - Arr. for 8 wind instruments by Johann G. Triebensee (1746-1813) - Act 1: "Notte e giorno faticar"
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duration: PT2M3S
duration ms: 123000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Members of the Netherlands Wind Ensemble
by artist: Werner Herbers
by artist: Carlo Ravelli
by artist: Hans Mossel
by artist: Hens Otter
by artist: Joep Terwey
by artist: Kees Olthuis
by artist: Iman Soeteman
by artist: Jan Peeters
by artist: Hans Krul
in album: Mozart in the Morning
  type: MusicAlbum
  date published: 1992-09-15
genre: classical
genre: classical-era
isrc code: NLA507300090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507300090
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2377c660471c6eb14278b1b2059988af2a9fe6f747e773da1b29224d76691e6. 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/NLA507300090.
  date published: 2026-07-02T03:55:08Z
audio: Don Giovanni, ossia Il dissoluto punito, K.527 - Arr. for 8 wind instruments by Johann G. Triebensee (1746-1813) - Act 1: "Notte e giorno faticar"
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  additional property: Acousticness
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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
    type: PropertyValue
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  additional property: Mode Name
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Don Giovanni, ossia Il dissoluto punito, K.527 - Arr. for 8 wind instruments by Johann G. Triebensee (1746-1813) - Act 1: "Madamina, il catalogo è questo"
type: MusicRecording
duration: PT1M39S
duration ms: 99986
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Members of the Netherlands Wind Ensemble
by artist: Werner Herbers
by artist: Carlo Ravelli
by artist: Hans Mossel
by artist: Hens Otter
by artist: Joep Terwey
by artist: Kees Olthuis
by artist: Iman Soeteman
by artist: Jan Peeters
by artist: Hans Krul
in album: Mozart in the Morning
  type: MusicAlbum
  date published: 1992-09-15
genre: classical
genre: classical-era
isrc code: NLA507300091
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507300091
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda9974ce2bd3c55a77c5e75074deb5360f6647b4fc9ec782f7faaaf925e305a9. 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/NLA507300091.
  date published: 2026-07-02T03:55:08Z
audio: Don Giovanni, ossia Il dissoluto punito, K.527 - Arr. for 8 wind instruments by Johann G. Triebensee (1746-1813) - Act 1: "Madamina, il catalogo è questo"
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Don Giovanni, ossia Il dissoluto punito, K.527 - Arr. for 8 wind instruments by Johann G. Triebensee (1746-1813) - Act 1: "Fin ch'han dal vino"
type: MusicRecording
duration: PT0M59S
duration ms: 59506
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Members of the Netherlands Wind Ensemble
by artist: Werner Herbers
by artist: Carlo Ravelli
by artist: Hans Mossel
by artist: Hens Otter
by artist: Joep Terwey
by artist: Kees Olthuis
by artist: Iman Soeteman
by artist: Jan Peeters
by artist: Hans Krul
in album: Mozart in the Morning
  type: MusicAlbum
  date published: 1992-09-15
genre: classical
genre: classical-era
isrc code: NLA507300092
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507300092
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a01bca424b1f5cf0a7fa13d2a23c85635bfb09b6f39053f76166d65a318d473. 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/NLA507300092.
  date published: 2026-07-02T03:55:08Z
audio: Don Giovanni, ossia Il dissoluto punito, K.527 - Arr. for 8 wind instruments by Johann G. Triebensee (1746-1813) - Act 1: "Fin ch'han dal vino"
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  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  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
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  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  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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Flute Concerto No. 1 in G, K.313: 3. Rondo (Tempo di menuetto)
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duration: PT6M47S
duration ms: 407000
explicit: false
by artist: Irena Grafenauer
by artist: Wolfgang Amadeus Mozart
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Mozart in the Morning
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  date published: 1992-09-15
isrc code: NLA508720406
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x78d59d9172ba0e09fb8dd05763646f8812cf650f0be0742e6688996b01e034fa
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/NLA508720406
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 0x78d59d9172ba0e09fb8dd05763646f8812cf650f0be0742e6688996b01e034fa. 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/NLA508720406.
  date published: 2026-06-13T15:41:10Z
audio: Flute Concerto No. 1 in G, K.313: 3. Rondo (Tempo di menuetto)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Divertimento in D major, K. 136: 1. Allegro
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duration: PT4M18S
duration ms: 258000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: I Musici
in album: Mozart in the Morning
  type: MusicAlbum
  date published: 1992-09-15
genre: classical
genre: classical-era
isrc code: NLA508313801
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508313801
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfa323df0a1deb9e0c3a3aa2a4dcb193917e1dcaf05867bdf2a41b616b11d60e. 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/NLA508313801.
  date published: 2026-06-13T17:25:41Z
audio: Divertimento in D major, K. 136: 1. Allegro
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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  additional property: Danceability
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  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.884
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.645
  additional property: Liveness
    type: PropertyValue
    value: 0.305
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.45
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.444
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Three German Dances, K.605: No. 3 in C, Trio "Die Schlittenfahrt"
type: MusicRecording
duration: PT2M55S
duration ms: 175000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Mozart in the Morning
  type: MusicAlbum
  date published: 1992-09-15
genre: classical
genre: classical-era
isrc code: NLA508110009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T12:36:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x399db31e12a068fca4f46b04e54921a102664b674c5a6d7a6fbd283c9f4f135e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508110009
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 0x399db31e12a068fca4f46b04e54921a102664b674c5a6d7a6fbd283c9f4f135e. 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/NLA508110009.
  date published: 2026-07-02T03:55:08Z
audio: Three German Dances, K.605: No. 3 in C, Trio "Die Schlittenfahrt"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.926
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.366
  additional property: Energy
    type: PropertyValue
    value: 0.18
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.763
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.048
  additional property: Liveness
    type: PropertyValue
    value: 0.149
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.493
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.939
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Piano Sonata No. 11 in A Major, K. 331: III. Alla turca. Allegretto
type: MusicRecording
duration: PT3M31S
duration ms: 211000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Mitsuko Uchida
in album: Mozart in the Morning
  type: MusicAlbum
  date published: 1992-09-15
genre: classical
genre: classical-era
isrc code: NLA508310303
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T12:37:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3c344f6f61111e47323a0ee664bdb20eac14103f5fa3c9932853e29dc311aef5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508310303
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 0x3c344f6f61111e47323a0ee664bdb20eac14103f5fa3c9932853e29dc311aef5. 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/NLA508310303.
  date published: 2026-07-02T03:55:08Z
audio: Piano Sonata No. 11 in A Major, K. 331: III. Alla turca. Allegretto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.557
  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: 0.522
  additional property: Energy
    type: PropertyValue
    value: 0.111
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.91
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.661
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.971
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
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Symphony No. 31 in D, K.297 "Paris": 3. Allegro
type: MusicRecording
duration: PT3M32S
duration ms: 212000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Mozart in the Morning
  type: MusicAlbum
  date published: 1992-09-15
genre: classical
genre: classical-era
isrc code: NLA507802437
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T12:35:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xad6dd74369c7d8da1cc5ee6fef1b2b187ff61475a1b2dc4fdce39ea9f881119a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507802437
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 0xad6dd74369c7d8da1cc5ee6fef1b2b187ff61475a1b2dc4fdce39ea9f881119a. 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/NLA507802437.
  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 31 in D, K.297 "Paris": 3. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.489
  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: 0.425
  additional property: Energy
    type: PropertyValue
    value: 0.233
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.849
  additional property: Liveness
    type: PropertyValue
    value: 0.164
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.51
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.686
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Divertimento No. 11 in D, K.251 "Nannerl-Septett": 1. Allegro molto
type: MusicRecording
duration: PT4M38S
duration ms: 278000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Heinz Holliger
by artist: Hermann Baumann
by artist: Michel Gasciarrino
by artist: Henk Guldemond
by artist: Orlando Quartet
in album: Mozart in the Morning
  type: MusicAlbum
  date published: 1992-09-15
genre: classical
genre: classical-era
isrc code: NLA508332306
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T04:21:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcba6b89690da451f0af9bd064f8af448fbc302865db00d0eef5367768fa408d9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508332306
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcba6b89690da451f0af9bd064f8af448fbc302865db00d0eef5367768fa408d9. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508332306.
  date published: 2026-07-02T03:30:09Z
audio: Divertimento No. 11 in D, K.251 "Nannerl-Septett": 1. Allegro molto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.695
  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: 0.555
  additional property: Energy
    type: PropertyValue
    value: 0.235
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.915
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.826
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.62
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.191
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Divertimento No. 2 in D Major, K. 131: V. Menuetto
type: MusicRecording
duration: PT3M38S
duration ms: 218000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Mozart in the Morning
  type: MusicAlbum
  date published: 1992-09-15
genre: classical
genre: classical-era
isrc code: NLA508642005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T09:12:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcf3a3e61902a30edaad29a47f8536aa2797b08a5dfe11295753396b8c62b4402
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508642005
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 0xcf3a3e61902a30edaad29a47f8536aa2797b08a5dfe11295753396b8c62b4402. 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/NLA508642005.
  date published: 2026-07-02T03:55:08Z
audio: Divertimento No. 2 in D Major, K. 131: V. Menuetto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 148.926
  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: 0.429
  additional property: Energy
    type: PropertyValue
    value: 0.068
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.97
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.42
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.906
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Divertimento in D major, K. 136: 3. Presto
type: MusicRecording
duration: PT2M45S
duration ms: 165000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: I Musici
in album: Mozart in the Morning
  type: MusicAlbum
  date published: 1992-09-15
genre: classical
genre: classical-era
isrc code: NLA508313803
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T12:36:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x31152cc132e38b1194c0c0a5d31bb867b6642d41cc9cd7876f0cbcdc7021d97b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508313803
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 0x31152cc132e38b1194c0c0a5d31bb867b6642d41cc9cd7876f0cbcdc7021d97b. 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/NLA508313803.
  date published: 2026-07-02T03:55:08Z
audio: Divertimento in D major, K. 136: 3. Presto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 153.892
  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: 0.438
  additional property: Energy
    type: PropertyValue
    value: 0.237
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.871
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.798
  additional property: Liveness
    type: PropertyValue
    value: 0.061
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.631
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.723
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Serenade in D, K.320 "Posthorn": 6. Minuetto
type: MusicRecording
duration: PT4M41S
duration ms: 281000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Michael Laird
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Mozart in the Morning
  type: MusicAlbum
  date published: 1992-09-15
genre: classical
genre: classical-era
isrc code: NLA508318806
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T04:14:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x93dd2a3ed62ca935e309a27748ced32524bc3e6bfc7c3d40ed224f1399c52edd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508318806
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93dd2a3ed62ca935e309a27748ced32524bc3e6bfc7c3d40ed224f1399c52edd. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508318806.
  date published: 2026-07-02T03:30:09Z
audio: Serenade in D, K.320 "Posthorn": 6. Minuetto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.768
  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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Ein musikalischer Spass, K.522: 4. Presto
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subject of: OpenTimestamps Proof of Existence
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Mozart at Midnight - A Soothing Little Night Music
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    date published: 2026-06-13T15:41:10Z
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track: Piano Concerto No. 21 in C Major, K. 467: 2. Andante
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
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track: Clarinet Concerto in A Major, K. 622: II. Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Symphony No. 25 in G Minor, K. 183: II. Andante
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Violin Concerto No. 3 in G Major, K. 216: 2. Adagio
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duration: PT8M15S
duration ms: 495000
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by artist: Sam Franko
by artist: Henryk Szeryng
by artist: New Philharmonia Orchestra
by artist: Alexander Gibson
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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Serenade in B flat, K.361 "Gran partita": 3. Adagio
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by artist: Members Orchestra of the 18th Century
by artist: Frans Brüggen
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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: Serenade in B flat, K.361 "Gran partita": 3. Adagio
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Symphony No. 28 in C, K.200: 2. Andante
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by artist: Sir Neville Marriner
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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: Symphony No. 28 in C, K.200: 2. Andante
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Clarinet Quintet in A, K.581: 2. Larghetto
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by artist: Academy of St. Martin in the Fields
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Clarinet Quintet in A, K.581: 2. Larghetto
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Horn Concerto No.3 in E flat, K.447: 2. Romanze (Larghetto)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Horn Concerto No.3 in E flat, K.447: 2. Romanze (Larghetto)
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Sinfonia concertante for Violin, Viola and Orchestra in E flat, K.364: 2. Andante
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Sinfonia concertante for Violin, Viola and Orchestra in E flat, K.364: 2. Andante
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Mozart for Meditation - Quiet Music for Quiet Times
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track: Piano Concerto No. 23 in A Major, K. 488: II. Andante
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T15:41:10Z
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  subject of: OpenTimestamps Proof of Existence
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track: Symphony No. 31 in D, K.297 "Paris": 2. Andante
track: Piano Concerto No. 15 in B flat major, K.450: 2. (Andante)
track: Violin Concerto No. 4 in D, K.218: 2. Andante cantabile
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OpenTimestamps Proof of Existence
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date published: 2026-07-02T03:55:08Z

Horn Concerto No. 4 in E flat, K.495: 2. Romanza (Andante)
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Symphony No. 31 in D, K.297 "Paris": 2. Andante
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 31 in D, K.297 "Paris": 2. Andante
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Piano Concerto No. 15 in B flat major, K.450: 2. (Andante)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Piano Concerto No. 15 in B flat major, K.450: 2. (Andante)
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Violin Concerto No. 4 in D, K.218: 2. Andante cantabile
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Violin Concerto No. 4 in D, K.218: 2. Andante cantabile
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Serenade in C minor, K.388 "Nacht Musik": 2. Andante
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  date published: 2026-07-02T03:55:08Z
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Concerto in C for Flute, Harp, and Orchestra, K.299: 2. Andantino
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duration: PT8M30S
duration ms: 510000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Irena Grafenauer
by artist: Maria Graf
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
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genre: classical
genre: classical-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: 2026-07-02T03:30:09Z
audio: Concerto in C for Flute, Harp, and Orchestra, K.299: 2. Andantino
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Piano Concerto No. 27 in B flat, K.595: 2. Larghetto
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duration: PT6M56S
duration ms: 416000
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by artist: Wolfgang Amadeus Mozart
by artist: Alfred Brendel
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
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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: Piano Concerto No. 27 in B flat, K.595: 2. Larghetto
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Symphony No. 34 in C, K.338: 2. Andante di molto
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by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Symphony No. 34 in C, K.338: 2. Andante di molto
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Fantasia in D Minor, K.397
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by artist: Mitsuko Uchida
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genre: classical
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additional property: OTSVerificationAPI
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Fantasia in D Minor, K.397
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Mozart: Symphonies, Serenades & Overtures
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
  audio: Mozart: Symphony No. 25 in G Minor, K. 183: I. Allegro con brio
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Mozart: Symphony No. 26 in E-Flat Major, K. 184: III. Allegro
track: Mozart: Symphony No. 28 in C Major, K. 200: II. Andante
track: Mozart: Symphony No. 28 in C Major, K. 200: III. Menuetto
track: Mozart: Symphony No. 29 in A Major, K. 201: III. Menuetto
track: Mozart: Symphony No. 29 in A Major, K. 201: IV. Allegro con spirito
track: Mozart: Symphony No. 31 in D Major, K. 297 "Paris": II. Andante
track: Mozart: Symphony No. 32 in G Major, K. 318: III. Primo tempo
track: Mozart: Symphony No. 35 in D Major, K. 385 "Haffner": I. Allegro con spirito
track: Mozart: Symphony No. 39 in E-Flat Major, K. 543: I. Adagio - Allegro

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51f566ad28de7a20918c587537704d6b57866f66dcc412c71c95e6ac71c439ec. 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/DEA808801601.
date published: 2026-07-08T03:53:27Z

Mozart: Symphony No. 26 in E-Flat Major, K. 184: I. Molto presto
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 120.409
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: 0.556
additional property: Energy
  type: PropertyValue
  value: 0.17
additional property: Speechiness
  type: PropertyValue
  value: 0.035
additional property: Acousticness
  type: PropertyValue
  value: 0.97
additional property: Instrumentalness
  type: PropertyValue
  value: 0.85
additional property: Liveness
  type: PropertyValue
  value: 0.248
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.504
additional property: Loudness (dB)
  type: PropertyValue
  value: -21.018
additional property: Key Name
  type: PropertyValue
  value: Eb
additional property: Mode Name
  type: PropertyValue
  value: Major

Mozart: Symphony No. 26 in E-Flat Major, K. 184: II. Andante
type: MusicRecording
duration: PT3M35S
duration ms: 215866
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: Mozart: Symphonies, Serenades & Overtures
  type: MusicAlbum
  date published: 2023-08-30
genre: classical
genre: classical-era
isrc code: DEA808801602
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:06:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x44edcb9b9780dbfae38fb0d28cccd7b94a4abccf7d9ecac2d70b18c24a66dbdb
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/DEA808801602
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 0x44edcb9b9780dbfae38fb0d28cccd7b94a4abccf7d9ecac2d70b18c24a66dbdb. 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/DEA808801602.
  date published: 2026-07-08T03:20:19Z
audio: Mozart: Symphony No. 26 in E-Flat Major, K. 184: II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.252
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.197
  additional property: Energy
    type: PropertyValue
    value: 0.032
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.922
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.73
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.042
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.883
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mozart: Symphony No. 26 in E-Flat Major, K. 184: III. Allegro
type: MusicRecording
duration: PT2M38S
duration ms: 158106
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: Mozart: Symphonies, Serenades & Overtures
  type: MusicAlbum
  date published: 2023-08-30
genre: classical
genre: classical-era
isrc code: DEA808801603
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T09:20:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc479b00dd3343af6e25a87fd9bfcab5e484832544815f8dcce0ef283b4ff74cd
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/DEA808801603
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 0xc479b00dd3343af6e25a87fd9bfcab5e484832544815f8dcce0ef283b4ff74cd. 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/DEA808801603.
  date published: 2026-07-08T03:20:19Z
audio: Mozart: Symphony No. 26 in E-Flat Major, K. 184: III. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.894
  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: 0.443
  additional property: Energy
    type: PropertyValue
    value: 0.128
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.892
  additional property: Liveness
    type: PropertyValue
    value: 0.191
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.468
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.58
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony No. 28 in C Major, K. 200: II. Andante
type: MusicRecording
duration: PT7M16S
duration ms: 436213
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: Mozart: Symphonies, Serenades & Overtures
  type: MusicAlbum
  date published: 2023-08-30
genre: classical
genre: classical-era
isrc code: DEA808801702
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:34:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1b406944aa2bdf07507bce5db210f7f29d531a55938ae1c4d4847b96c1694750
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA808801702
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 0x1b406944aa2bdf07507bce5db210f7f29d531a55938ae1c4d4847b96c1694750. 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/DEA808801702.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Symphony No. 28 in C Major, K. 200: II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.854
  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: 0.279
  additional property: Energy
    type: PropertyValue
    value: 0.014
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.931
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.203
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.008
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony No. 28 in C Major, K. 200: III. Menuetto
type: MusicRecording
duration: PT2M56S
duration ms: 176240
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: Mozart: Symphonies, Serenades & Overtures
  type: MusicAlbum
  date published: 2023-08-30
genre: classical
genre: classical-era
isrc code: DEA808801703
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T06:57:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfa44f0057663d6ef19f96e8154611905eddbd64f5c69a89bea00b1ac4d20bc7d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA808801703
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 0xfa44f0057663d6ef19f96e8154611905eddbd64f5c69a89bea00b1ac4d20bc7d. 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/DEA808801703.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Symphony No. 28 in C Major, K. 200: III. Menuetto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 173.158
  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: 0.309
  additional property: Energy
    type: PropertyValue
    value: 0.037
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.943
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.507
  additional property: Liveness
    type: PropertyValue
    value: 0.33
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.482
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.854
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony No. 29 in A Major, K. 201: III. Menuetto
type: MusicRecording
duration: PT3M34S
duration ms: 214106
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: Mozart: Symphonies, Serenades & Overtures
  type: MusicAlbum
  date published: 2023-08-30
genre: classical
genre: classical-era
isrc code: DEA800115752
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:33:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1cd1150e3c436526bb200c308f678797a4cba6afd197156a87d6fbf5c70d372e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800115752
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 0x1cd1150e3c436526bb200c308f678797a4cba6afd197156a87d6fbf5c70d372e. 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/DEA800115752.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Symphony No. 29 in A Major, K. 201: III. Menuetto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.519
  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: 0.402
  additional property: Energy
    type: PropertyValue
    value: 0.067
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.468
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.303
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.955
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony No. 29 in A Major, K. 201: IV. Allegro con spirito
type: MusicRecording
duration: PT6M10S
duration ms: 370973
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: Mozart: Symphonies, Serenades & Overtures
  type: MusicAlbum
  date published: 2023-08-30
genre: classical
genre: classical-era
isrc code: DEA800115753
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:37:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe6385afc9a0a3caa9d51d1c0d5f709dff8fd35d2713d922e373fbfcbb8b81472
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800115753
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6385afc9a0a3caa9d51d1c0d5f709dff8fd35d2713d922e373fbfcbb8b81472. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800115753.
  date published: 2026-07-08T03:22:41Z
audio: Mozart: Symphony No. 29 in A Major, K. 201: IV. Allegro con spirito
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.597
  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: 0.475
  additional property: Energy
    type: PropertyValue
    value: 0.198
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.94
  additional property: Liveness
    type: PropertyValue
    value: 0.143
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.457
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.189
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony No. 31 in D Major, K. 297 "Paris": II. Andante
type: MusicRecording
duration: PT6M2S
duration ms: 362213
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: Mozart: Symphonies, Serenades & Overtures
  type: MusicAlbum
  date published: 2023-08-30
genre: classical
genre: classical-era
isrc code: DEA800115759
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:20:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x505b1072e841e8b01b4ffa881c7a9d4df91d816a20312237ae5aeb2bc589e8d7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
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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
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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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": I. Allegro con spirito
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Mozart: Symphony No. 39 in E-Flat Major, K. 543: I. Adagio - Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Mozart: Symphony No. 39 in E-Flat Major, K. 543: I. Adagio - Allegro
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Strauss: Complete Orchestral Works
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track: Strauss, R: Also sprach Zarathustra, Op. 30: I. Introduction - Of the Backworldsmen - Of the Great Longing
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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track: Strauss, R: Also sprach Zarathustra, Op. 30: II. Of Joys and Passions - The Song of the Grave
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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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  audio: Strauss, R / Arr. Kempe: Walzerfolgen aus "Der Rosenkavalier"
track: Strauss, R: Ein Heldenleben, Op. 40: I. Der Held
track: Strauss, R: Ein Heldenleben, Op. 40: IV. Thema der Siegesgewissheit
track: Strauss, R: Ein Heldenleben, Op. 40: VI. Des Helden Gefährtin (Reprise)
track: Strauss, R: Ein Heldenleben, Op. 40: VII. Des Helden Friedenswerke
track: Strauss, R: Ein Heldenleben, Op. 40: VIII. Des Helden Weltflucht und Vollendung
track: Strauss, R: Ein Heldenleben, Op. 40: IX. Entsagung
track: Strauss, R: An Alpine Symphony, Op. 64: I. Night
track: Strauss, R: An Alpine Symphony, Op. 64: II. Sunrise
track: Strauss, R: An Alpine Symphony, Op. 64: V. Strolling by the Stream
track: Strauss, R: An Alpine Symphony, Op. 64: X. Lost in the Thickets and Undergrowth
track: Strauss, R: An Alpine Symphony, Op. 64: XIII. On the Summit
track: Strauss, R: An Alpine Symphony, Op. 64: XVIII. Quiet Before the Storm
track: Strauss, R: Don Quixote, Op. 35: Introduction

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

Strauss, R / Arr. Kempe: Walzerfolgen aus "Der Rosenkavalier"
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Strauss, R: Ein Heldenleben, Op. 40: I. Der Held
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by artist: Staatskapelle Dresden
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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: Strauss, R: Ein Heldenleben, Op. 40: I. Der Held
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Strauss, R: Ein Heldenleben, Op. 40: IV. Thema der Siegesgewissheit
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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: Strauss, R: Ein Heldenleben, Op. 40: IV. Thema der Siegesgewissheit
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Strauss, R: Ein Heldenleben, Op. 40: VI. Des Helden Gefährtin (Reprise)
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by artist: Rudolf Kempe
by artist: Staatskapelle Dresden
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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: Strauss, R: Ein Heldenleben, Op. 40: VI. Des Helden Gefährtin (Reprise)
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Strauss, R: Ein Heldenleben, Op. 40: VII. Des Helden Friedenswerke
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by artist: Rudolf Kempe
by artist: Staatskapelle Dresden
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genre: classical
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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: Strauss, R: Ein Heldenleben, Op. 40: VII. Des Helden Friedenswerke
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Strauss, R: Ein Heldenleben, Op. 40: VIII. Des Helden Weltflucht und Vollendung
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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: Strauss, R: Ein Heldenleben, Op. 40: VIII. Des Helden Weltflucht und Vollendung
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Strauss, R: Ein Heldenleben, Op. 40: IX. Entsagung
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by artist: Rudolf Kempe
by artist: Staatskapelle Dresden
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Strauss, R: Ein Heldenleben, Op. 40: IX. Entsagung
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Strauss, R: An Alpine Symphony, Op. 64: I. Night
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subject of: OpenTimestamps Proof of Existence
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Strauss, R: An Alpine Symphony, Op. 64: II. Sunrise
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Strauss, R: An Alpine Symphony, Op. 64: V. Strolling by the Stream
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Strauss, R: An Alpine Symphony, Op. 64: X. Lost in the Thickets and Undergrowth
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Strauss, R: An Alpine Symphony, Op. 64: XIII. On the Summit
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Strauss, R: An Alpine Symphony, Op. 64: XVIII. Quiet Before the Storm
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Strauss, R: Don Quixote, Op. 35: Introduction
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Mozart: The Wind Concertos (Complete Mozart Edition)
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track: Horn Concerto No.1 in D, K.386b (K.412 & 514): 2. Allegro K.514
track: Clarinet Concerto in A Major, K. 622: III. Rondo. Allegro
track: Flute Concerto No. 1 in G Major, K. 313: I. Allegro maestoso
track: Horn Concerto No. 2 in E flat, K.417: 2. Andante
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track: Flute Concerto No. 1 in G Major, K. 313: III. Rondo. Tempo di menuetto
track: Horn Concerto No.3 in E flat, K.447 - Cadenza: Peter Damm: 1. Allegro
track: Andante in C Major, K. 315
track: Horn Concerto No.3 in E flat, K.447: 2. Romanze (Larghetto)
track: Horn Concerto No.3 in E flat, K.447: 3. Allegro
track: Horn Concerto No. 4 in E-Flat Major, K. 495: II. Romance. Andante cantabile
track: Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo. Allegro vivace

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Clarinet Concerto in A Major, K. 622: II. Adagio
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Horn Concerto No.1 in D, K.386b (K.412 & 514): 2. Allegro K.514
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  date published: 2026-07-08T03:22:41Z
audio: Horn Concerto No.1 in D, K.386b (K.412 & 514): 2. Allegro K.514
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Clarinet Concerto in A Major, K. 622: III. Rondo. Allegro
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Flute Concerto No. 1 in G Major, K. 313: I. Allegro maestoso
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Horn Concerto No. 2 in E flat, K.417: 2. Andante
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Flute Concerto No. 1 in G Major, K. 313: II. Adagio non troppo
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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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Flute Concerto No. 1 in G Major, K. 313: III. Rondo. Tempo di menuetto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:39:04Z
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Horn Concerto No.3 in E flat, K.447 - Cadenza: Peter Damm: 1. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:39:04Z
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Andante in C Major, K. 315
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Andante in C Major, K. 315
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Horn Concerto No.3 in E flat, K.447: 2. Romanze (Larghetto)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Horn Concerto No.3 in E flat, K.447: 2. Romanze (Larghetto)
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Horn Concerto No.3 in E flat, K.447: 3. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Horn Concerto No.3 in E flat, K.447: 3. Allegro
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Horn Concerto No. 4 in E-Flat Major, K. 495: II. Romance. Andante cantabile
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Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo. Allegro vivace
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Mozart, W.A.: Requiem
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track: Concertpiece in F Major, Op. 86: II. Romanze
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Ultimate Mozart
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Mozart: Serenade No. 9, K. 320 "Posthorn" & 2 Marches, K. 335
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Brahms (Best Of)
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SCHUMANN, R.: 5 Pieces in Folk Style / Marchenbilder / Fantasiestucke / Adagio and Allegro (Simm, Damm, Hallmann, Timm, Webersinke)
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For Your Dreams
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Schumann (Best Of)
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STRAUSS, R.: Horn Concertos Nos. 1 and 2 / ZIMMERMANN, U.: Nouveau divertissements (Damm, Dresden Staatskapelle, Rogner, U. Zimmermann)
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Weber: Symphony 1 - Trio, Op. 63
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50 Greatest Works Of Mozart
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    type: PropertyValue
    value: 956889
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956889
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077110151
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T06:56:49Z
  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 0x155bacd51729951d3464a06609e0d3c7e54dadc827796cceea55e636a5cf34d4. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GBF077110151.
    date published: 2026-07-06T06:56:49Z
  audio: Allegro (Eine kleine Nachtmusik)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 137.341
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.515
    additional property: Energy
      type: PropertyValue
      value: 0.212
    additional property: Speechiness
      type: PropertyValue
      value: 0.055
    additional property: Acousticness
      type: PropertyValue
      value: 0.964
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.9
    additional property: Liveness
      type: PropertyValue
      value: 0.053
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.409
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.314
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Romance (Eine kleine Nachtmusik)
  type: MusicRecording
  duration: PT5M42S
  duration ms: 342493
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Academy of St. Martin in the Fields
  by artist: Sir Neville Marriner
  in album: 50 Greatest Works Of Mozart
    type: MusicAlbum
    date published: 2011-01-01
  genre: classical
  genre: classical-era
  isrc code: GBF077110152
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T22:48:46+00:00
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Romance (Eine kleine Nachtmusik)
track: Minuet (Eine kleine Nachtmusik)
track: Rondo (Eine kleine Nachtmusik)
track: Rondeau (Allegretto - Adagio - Allegro) (Serenata notturna in D)
track: Molto allegro (Symphony No.40)
track: Finale (Symphony No.40)
track: Allegro maestoso (Piano Sonata No.8)
track: Adagio - Allegro (String Quartet No.19 "Dissonance")
track: Allegro (Piano Concerto No.24)
track: Rondo alla Turca (Piano Sonata No.11)
track: Larghetto (Clarinet Quintet)
track: Allegro (Clarinet Concerto)
track: Adagio (Clarinet Concerto)
track: Rondo (Allegro) (Clarinet Concerto)
track: Andantino (Concerto in C for Flute, Harp, and Orchestra)
track: Romanza (Andante) (Horn Concerto No.4)
track: Rondo (Allegro vivace) (Horn Concerto No.4)

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xb0387cfffb339ca74a5a7efa599f059dfc70bb6f0e2ecc5763d7c50e035e31b9

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957064

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957064

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077110152

OTSTimestamp
type: PropertyValue
value: 2026-07-07T16:43:08Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0387cfffb339ca74a5a7efa599f059dfc70bb6f0e2ecc5763d7c50e035e31b9. Chain 2 (Bitcoin): anchored in block 957064 (2026-07-07T16:43:08Z), 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/GBF077110152.
date published: 2026-07-07T16:43:08Z

Romance (Eine kleine Nachtmusik)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 149.825
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: 0.235
additional property: Energy
  type: PropertyValue
  value: 0.036
additional property: Speechiness
  type: PropertyValue
  value: 0.044
additional property: Acousticness
  type: PropertyValue
  value: 0.956
additional property: Instrumentalness
  type: PropertyValue
  value: 0.04
additional property: Liveness
  type: PropertyValue
  value: 0.088
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.143
additional property: Loudness (dB)
  type: PropertyValue
  value: -28.053
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Minuet (Eine kleine Nachtmusik)
type: MusicRecording
duration: PT2M4S
duration ms: 124733
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: 50 Greatest Works Of Mozart
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: classical-era
isrc code: GBF077110153
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T17:17:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc7c42434d7e8141d0f0856e204b4c8aaef30d0c8e2fd86f5f2876b8c0a24dddb
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/GBF077110153
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 0xc7c42434d7e8141d0f0856e204b4c8aaef30d0c8e2fd86f5f2876b8c0a24dddb. 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/GBF077110153.
  date published: 2026-07-08T03:20:19Z
audio: Minuet (Eine kleine Nachtmusik)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.136
  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: 0.371
  additional property: Energy
    type: PropertyValue
    value: 0.1
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.89
  additional property: Liveness
    type: PropertyValue
    value: 0.071
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.544
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.343
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rondo (Eine kleine Nachtmusik)
type: MusicRecording
duration: PT4M16S
duration ms: 256105
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: 50 Greatest Works Of Mozart
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: classical-era
isrc code: GBF077110154
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T22:39:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x02740c40dd0b3c3a3ccb3531e3bb436dd9cfb52e464a57e2c068e81bfcf9efc5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077110154
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02740c40dd0b3c3a3ccb3531e3bb436dd9cfb52e464a57e2c068e81bfcf9efc5. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077110154.
  date published: 2026-07-08T03:22:41Z
audio: Rondo (Eine kleine Nachtmusik)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.594
  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: 0.485
  additional property: Energy
    type: PropertyValue
    value: 0.272
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.962
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.844
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.615
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rondeau (Allegretto - Adagio - Allegro) (Serenata notturna in D)
type: MusicRecording
duration: PT4M18S
duration ms: 258426
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: 50 Greatest Works Of Mozart
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: classical-era
isrc code: GBF076710133
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:21:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe0038e36db133d52fe336be5424c86b552a44565e9e94a39cf388ddc0d68f190
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076710133
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0038e36db133d52fe336be5424c86b552a44565e9e94a39cf388ddc0d68f190. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076710133.
  date published: 2026-07-08T03:22:41Z
audio: Rondeau (Allegretto - Adagio - Allegro) (Serenata notturna in D)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.574
  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: 0.536
  additional property: Energy
    type: PropertyValue
    value: 0.061
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.943
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.806
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.481
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.338
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Molto allegro (Symphony No.40)
type: MusicRecording
duration: PT9M35S
duration ms: 575853
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Royal Concertgebouw Orchestra
by artist: Josef Krips
in album: 50 Greatest Works Of Mozart
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: classical-era
isrc code: NLA507200337
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T19:03:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbbe5d6035fffe4f61f4efb76da51a1658e8fed9681f164dd151734a0e070d630
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/NLA507200337
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 0xbbe5d6035fffe4f61f4efb76da51a1658e8fed9681f164dd151734a0e070d630. 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/NLA507200337.
  date published: 2026-06-13T17:25:41Z
audio: Molto allegro (Symphony No.40)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.598
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.324
  additional property: Energy
    type: PropertyValue
    value: 0.158
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.949
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.896
  additional property: Liveness
    type: PropertyValue
    value: 0.173
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.158
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.856
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Finale (Symphony No.40)
type: MusicRecording
duration: PT7M20S
duration ms: 440013
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Royal Concertgebouw Orchestra
by artist: Josef Krips
in album: 50 Greatest Works Of Mozart
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: classical-era
isrc code: NLA507200340
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T10:18:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x05c4d30d9694908e8b24c0735c072ab4044f289867b92e3a2f4032fe2adaae1b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507200340
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
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 0x05c4d30d9694908e8b24c0735c072ab4044f289867b92e3a2f4032fe2adaae1b. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/NLA507200340.
  date published: 2026-07-07T18:39:05Z
audio: Finale (Symphony No.40)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.606
  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: 0.473
  additional property: Energy
    type: PropertyValue
    value: 0.241
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.904
  additional property: Liveness
    type: PropertyValue
    value: 0.262
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.395
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.578
  additional property: Key Name
    type: PropertyValue
    value: Bb
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Allegro maestoso (Piano Sonata No.8)
type: MusicRecording
duration: PT6M46S
duration ms: 406746
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Ingrid Haebler
in album: 50 Greatest Works Of Mozart
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: classical-era
isrc code: NLA506300387
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xe7c977803b15af055ca59b5ed7ed713e33f152ce906850a7a5a3cf326994fffa
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506300387
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7c977803b15af055ca59b5ed7ed713e33f152ce906850a7a5a3cf326994fffa. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506300387.
  date published: 2026-07-08T03:22:41Z
audio: Allegro maestoso (Piano Sonata No.8)
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.382
  additional property: Energy
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    value: 0.154
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.908
  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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Adagio - Allegro (String Quartet No.19 "Dissonance")
type: MusicRecording
duration: PT11M18S
duration ms: 678893
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Quartetto Italiano
in album: 50 Greatest Works Of Mozart
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: classical-era
isrc code: NLA506601050
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506601050
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a4c12e92eff92b735a2fd752cf4d11dfd7797377332c71db6e51cf85ddd5513. 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/NLA506601050.
  date published: 2026-07-08T08:56:20Z
audio: Adagio - Allegro (String Quartet No.19 "Dissonance")
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.273
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Allegro (Piano Concerto No.24)
type: MusicRecording
duration: PT14M10S
duration ms: 850146
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Mitsuko Uchida
by artist: English Chamber Orchestra
by artist: Jeffrey Tate
in album: 50 Greatest Works Of Mozart
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: classical-era
isrc code: NLA508722501
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508722501
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ef935c996167b63b7aa9440b55416787a5031f8fbd750c5ba3c57bee24d7012. 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/NLA508722501.
  date published: 2026-07-08T03:53:27Z
audio: Allegro (Piano Concerto No.24)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.289
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Rondo alla Turca (Piano Sonata No.11)
type: MusicRecording
duration: PT3M41S
duration ms: 221813
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Ingrid Haebler
in album: 50 Greatest Works Of Mozart
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: classical-era
isrc code: NLA506300383
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe29118605b3a315dbcdbcb41da675129fee53a6e817906689b613897cc98dc9c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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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/NLA506300383
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe29118605b3a315dbcdbcb41da675129fee53a6e817906689b613897cc98dc9c. 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/NLA506300383.
  date published: 2026-06-13T17:25:41Z
audio: Rondo alla Turca (Piano Sonata No.11)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  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: 0.53
  additional property: Energy
    type: PropertyValue
    value: 0.122
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Larghetto (Clarinet Quintet)
type: MusicRecording
duration: PT7M20S
duration ms: 440080
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Jack Brymer
by artist: Allegri String Quartet
in album: 50 Greatest Works Of Mozart
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: classical-era
isrc code: NLA506900034
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T17:11:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2ca86166c40104c4d87168bd6e344d0cb99c63c9a3fedee8f94a4679f1c5adcf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506900034
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 0x2ca86166c40104c4d87168bd6e344d0cb99c63c9a3fedee8f94a4679f1c5adcf. 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/NLA506900034.
  date published: 2026-07-08T03:53:27Z
audio: Larghetto (Clarinet Quintet)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 2
  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
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Allegro (Clarinet Concerto)
type: MusicRecording
duration: PT12M5S
duration ms: 725000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Karl Leister
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: 50 Greatest Works Of Mozart
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: classical-era
isrc code: NLA508721501
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:57:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf35ad38b3030531cddbf712ace41aa1b521ff1c2654c93a9340193c9b678cec8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508721501
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 0xf35ad38b3030531cddbf712ace41aa1b521ff1c2654c93a9340193c9b678cec8. 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/NLA508721501.
  date published: 2026-07-08T03:53:27Z
audio: Allegro (Clarinet Concerto)
  type: AudioObject
  additional property: Tempo (BPM)
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  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
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Adagio (Clarinet Concerto)
type: MusicRecording
duration: PT7M42S
duration ms: 462000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Karl Leister
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: 50 Greatest Works Of Mozart
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: classical-era
isrc code: NLA508721502
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T02:59:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc2400d41df1d37201ceb6f32463d35c2acf46a90fa4c6ea62177432348aea14e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508721502
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2400d41df1d37201ceb6f32463d35c2acf46a90fa4c6ea62177432348aea14e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508721502.
  date published: 2026-07-08T03:22:41Z
audio: Adagio (Clarinet Concerto)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Rondo (Allegro) (Clarinet Concerto)
type: MusicRecording
duration: PT8M48S
duration ms: 528000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Karl Leister
by artist: Academy of St. Martin in the Fields
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Andantino (Concerto in C for Flute, Harp, and Orchestra)
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Romanza (Andante) (Horn Concerto No.4)
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Rondo (Allegro vivace) (Horn Concerto No.4)
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