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genre: classical
genre: classical piano
description: thumb|Sebastian Knauer at Laeiszhalle in Hamburg Sebastian Knauer (born in Hamburg in 1971) is a German classical pianist. Early life and youth Sebastian Knauer, born July 29, 1971, is from an old-
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  track: Brandenburg Concerto No. 3 in G-Dur, BWV 1048: I. Allegro
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Oboe Concerto in F Major, BWV 1053: II. Siciliano
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Piano Concerto No. 1 in D Minor, BWV 1052: III. Allegro
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Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai
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Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto
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Italienisches Konzert, BWV 971: Allegro spirituoso e con brio - Arr. by Enrique Crespo and and Matthias Höfs
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by artist: Johann Sebastian Bach
by artist: German Brass
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genre: classical
genre: classical-piano
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Italienisches Konzert, BWV 971: Allegro spirituoso e con brio - Arr. by Enrique Crespo and and Matthias Höfs
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Beethoven 2020 - Rarities
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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: Minuet in C Major, WoO 218
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track: Allegretto for String Quartet in B, WoO 210
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T15:41:10Z
  audio: Allegretto for String Quartet in B, WoO 210
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Bar Classics (Most Famous Tunes in Classical Music)
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track: Goldberg Variations, BWV 988: Aria
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
  audio: Goldberg Variations, BWV 988: Aria
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track: Préludes, Op. 28: No. 15 in D-Flat Major "Raindrop-Prélude"
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T13:32:09Z
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  subject of: OpenTimestamps Proof of Existence
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track: Images, Book 2, L. 111: No. 3, Poissons d'or

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

Silhouettes, Op. 8: No. 8, Allegretto in B Minor
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subject of: OpenTimestamps Proof of Existence
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Hope@Home
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    date published: 2026-07-02T05:09:12Z
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    date published: 2026-07-02T03:55:08Z
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track: Irgendwo auf der Welt
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track: Hijo de la luna
track: Over the Rainbow
track: Berlin – Tel Aviv
track: 14 Romances, Op. 34: No. 14, Vocalise
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OpenTimestamps Proof of Existence
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date published: 2026-06-13T13:32:09Z

This Bitter Earth / On the Nature of Daylight
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Irgendwo auf der Welt
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subject of: OpenTimestamps Proof of Existence
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An die Musik, D. 547
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subject of: OpenTimestamps Proof of Existence
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Hijo de la luna
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Over the Rainbow
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subject of: OpenTimestamps Proof of Existence
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Berlin – Tel Aviv
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by artist: Max Herre
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subject of: OpenTimestamps Proof of Existence
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14 Romances, Op. 34: No. 14, Vocalise
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subject of: OpenTimestamps Proof of Existence
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9 Lieder und Gesänge, Op. 32: I. Wie rafft ich mich auf in der Nacht
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: 9 Lieder und Gesänge, Op. 32: I. Wie rafft ich mich auf in der Nacht
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Asturiana / If
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subject of: OpenTimestamps Proof of Existence
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audio: Asturiana / If
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Never on Sunday
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Bach & Sons 2
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track: Grieg: Violin Sonata No. 3 in C Minor, Op. 45: I. Allegro molto ed appassionato
track: Gluck / Arr Kreisler : Mélodie
track: Massenet / Arr. Marsick: Thaïs, Act 2: Méditation
track: Tartini : Violin Sonata in G minor, 'Devil's Trill' : I Larghetto
track: Falla / Arr. Kochanski for Violin and Piano: 7 Canciones populares españolas: No. 6, Canción
track: Bruch: Adagio appassionato, Op. 57
track: Tchaikovsky: Valse-scherzo, Op. 34 (Arr. for Violin and Orchestra)
track: Ysaÿe : Violin Sonata No.5 Op.27 : I L'Aurore
track: Foulds: Apotheosis for Violin and Orchestra, Op. 18 "Elegy": IV. Tempo della prima stanza
track: Bach, JS: Partita for Solo Violin No. 3 in E Major, BWV 1006: I. Preludio
track: Mendelssohn: Violin Concerto in E Minor, Op. 64, MWV O14: II. Andante
track: Ysaÿe : Violin Sonata No.4 Op.27 : II Sarabande
track: Mussorgsky: The Fair at Sorochyntsi, Act 3: Gopak
track: Tchaikovsky: Sérénade mélancolique, Op. 26
track: Ponce : Estrellita
track: Rachmaninov / Arr. Press for Violin and Piano: 14 Romances, Op. 34: No. 14, Vocalise
track: Prokofiev / Arr. Markov: Peter and the Wolf, Op. 67 (Excerpt)
track: Wieniawksi : Légende in G minor Op.17

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Spohr : Violin Concerto No.8 in A minor Op.47, 'in modo di scena cantate' : II Adagio
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Beethoven: Violin Sonata No. 5 in F Major, Op. 24 "Spring": II. Adagio molto espressivo
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Lalo: Symphonie espagnole in D Minor, Op. 21: I. Allegro ma non troppo
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Waxman & Bizet: Carmen Fantasia
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Paganini: Cantabile in D Major, Op. 17
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Bach, JS: Partita for Solo Violin No. 1 in B Minor, BWV 1002: III. Sarabande & Double
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Beethoven: Romance for Violin and Orchestra No. 2 in F Major, Op. 50 (Excerpt)
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Schumann: Märchenbilder, Op. 113: IV. Langsam, mit melancholischem Ausdruck
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Tchaikovsky: The Sleeping Beauty, Op. 66, Act I "The Spell": No. 8c, Pas d'action. Aurora's Variation (Arr. for Violin and Piano)
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Saint-Saëns: Introduction and Rondo capriccioso for Violin and Orchestra in A Minor, Op. 28
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Tchaikovsky / Arr. Kreisler for Violin and Piano: 2 Pieces, Op. 10: No. 2, Humoresque
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Paganini: Violin Concerto No. 1 in E-Flat Major, Op. 6: III. Rondo. Allegro spiritoso
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Tchaikovsky: Souvenir d'un lieu cher, Op. 42: I. Méditation
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Tchaikovsky: Souvenir de Hapsal, Op. 2: No. 3, Chant sans paroles
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Grieg: Violin Sonata No. 3 in C Minor, Op. 45: I. Allegro molto ed appassionato
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Gluck / Arr Kreisler : Mélodie
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Massenet / Arr. Marsick: Thaïs, Act 2: Méditation
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Tartini : Violin Sonata in G minor, 'Devil's Trill' : I Larghetto
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Falla / Arr. Kochanski for Violin and Piano: 7 Canciones populares españolas: No. 6, Canción
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Bruch: Adagio appassionato, Op. 57
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Tchaikovsky: Valse-scherzo, Op. 34 (Arr. for Violin and Orchestra)
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Ysaÿe : Violin Sonata No.5 Op.27 : I L'Aurore
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Foulds: Apotheosis for Violin and Orchestra, Op. 18 "Elegy": IV. Tempo della prima stanza
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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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Bach, JS: Partita for Solo Violin No. 3 in E Major, BWV 1006: I. Preludio
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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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Mendelssohn: Violin Concerto in E Minor, Op. 64, MWV O14: II. Andante
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subject of: OpenTimestamps Proof of Existence
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Ysaÿe : Violin Sonata No.4 Op.27 : II Sarabande
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Mussorgsky: The Fair at Sorochyntsi, Act 3: Gopak
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Tchaikovsky: Sérénade mélancolique, Op. 26
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Ponce : Estrellita
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audio: Ponce : Estrellita
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Rachmaninov / Arr. Press for Violin and Piano: 14 Romances, Op. 34: No. 14, Vocalise
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duration: PT5M38S
duration ms: 338200
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by artist: Sergei Rachmaninoff
by artist: Alexander Markov
in album: 40 Most Beautiful Violin Classics
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genre: classical-piano
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ae38c25e062f23926a6df6681ee20cae262a46ee873ffb49889a1061cb6b023. 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/FRZ209301250.
  date published: 2026-06-13T17:25:41Z
audio: Rachmaninov / Arr. Press for Violin and Piano: 14 Romances, Op. 34: No. 14, Vocalise
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Prokofiev / Arr. Markov: Peter and the Wolf, Op. 67 (Excerpt)
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by artist: Alexander Markov
by artist: Dmitri Cogan
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genre: classical
genre: orchestra
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Prokofiev / Arr. Markov: Peter and the Wolf, Op. 67 (Excerpt)
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Wieniawksi : Légende in G minor Op.17
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by artist: Henryk Wieniawski
by artist: Alexander Markov
in album: 40 Most Beautiful Violin Classics
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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: 2026-07-02T03:55:08Z
audio: Wieniawksi : Légende in G minor Op.17
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Hollywood
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date published: 2024-11-29
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T05:09:12Z
  audio: Newman, A: Main Theme (From "The Greatest Story Ever Told")
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track: Horner: Main Theme (From "A Beautiful Mind")
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-02T05:09:12Z
  audio: Horner: Main Theme (From "A Beautiful Mind")
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  subject of: OpenTimestamps Proof of Existence
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track: Bernstein, E: Main Theme (From "To Kill a Mockingbird")
track: Newman, A: No Goodbye (From "How the West Was Won")
track: Horner: An Apparition in the Fields (From "The New World")
track: Newman, A: Love Theme (From "The Robe")
track: Copland: Story of Our Town (From "Our Town")
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64a26abc898074ff91124598d94f7dab6115b9f27484296133d2e866d6788040. 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/GBPFW2400724.
date published: 2026-07-08T03:20:19Z

Newman, D: Some Time Ago
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additional property: Key Name
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additional property: Mode Name
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Bernstein, E: Main Theme (From "To Kill a Mockingbird")
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by artist: Sebastian Knauer
by artist: David Newman
by artist: Deutsches Symphonie-Orchester Berlin
by artist: Vojtech Drnek
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genre: soundtrack
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7cfa459fbf65d9fb697f4467a879d5e648e20a2d065c8d65f9dff17d4ffbda2. 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/GBPFW2400725.
  date published: 2026-07-02T03:55:08Z
audio: Bernstein, E: Main Theme (From "To Kill a Mockingbird")
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.687
  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: 0.285
  additional property: Energy
    type: PropertyValue
    value: 0.05
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.86
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.602
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Newman, A: No Goodbye (From "How the West Was Won")
type: MusicRecording
duration: PT3M25S
duration ms: 205047
explicit: false
by artist: Alfred Newman
by artist: Sebastian Knauer
by artist: David Newman
by artist: Deutsches Symphonie-Orchester Berlin
in album: Hollywood
  type: MusicAlbum
  date published: 2024-11-29
isrc code: GBPFW2400726
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:11:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x70c326bab430fe9388ef969ea75468afe653f28278ea6193791cdd6190334cb9
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/GBPFW2400726
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 0x70c326bab430fe9388ef969ea75468afe653f28278ea6193791cdd6190334cb9. 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/GBPFW2400726.
  date published: 2026-07-07T18:39:05Z
audio: Newman, A: No Goodbye (From "How the West Was Won")
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.278
  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: 0.221
  additional property: Energy
    type: PropertyValue
    value: 0.079
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.754
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.044
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.142
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Horner: An Apparition in the Fields (From "The New World")
type: MusicRecording
duration: PT5M3S
duration ms: 303738
explicit: false
by artist: James Horner
by artist: Sebastian Knauer
by artist: David Newman
by artist: Deutsches Symphonie-Orchester Berlin
by artist: Diana Newman
in album: Hollywood
  type: MusicAlbum
  date published: 2024-11-29
isrc code: GBPFW2400729
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T08:10:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x63724f1b6c260ecfcf6621246ce1aae83e51390063e26e9df0d01fd3bbb4126d
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/GBPFW2400729
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 0x63724f1b6c260ecfcf6621246ce1aae83e51390063e26e9df0d01fd3bbb4126d. 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/GBPFW2400729.
  date published: 2026-07-08T03:20:19Z
audio: Horner: An Apparition in the Fields (From "The New World")
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.816
  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: 0.31
  additional property: Energy
    type: PropertyValue
    value: 0.013
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.961
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.05
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.299
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Newman, A: Love Theme (From "The Robe")
type: MusicRecording
duration: PT4M27S
duration ms: 267304
explicit: false
by artist: Alfred Newman
by artist: Sebastian Knauer
by artist: David Newman
by artist: Deutsches Symphonie-Orchester Berlin
in album: Hollywood
  type: MusicAlbum
  date published: 2024-11-29
isrc code: GBPFW2400731
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:43:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x33f4e53180c2556009328d9cce6afe417d0b4e47ea1c80716cf55ccaaab98de1
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/GBPFW2400731
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 0x33f4e53180c2556009328d9cce6afe417d0b4e47ea1c80716cf55ccaaab98de1. 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/GBPFW2400731.
  date published: 2026-07-08T03:22:41Z
audio: Newman, A: Love Theme (From "The Robe")
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.563
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.175
  additional property: Energy
    type: PropertyValue
    value: 0.061
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.916
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.829
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.154
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Copland: Story of Our Town (From "Our Town")
type: MusicRecording
duration: PT3M42S
duration ms: 222789
explicit: false
by artist: Aaron Copland
by artist: Sebastian Knauer
in album: Hollywood
  type: MusicAlbum
  date published: 2024-11-29
genre: classical
genre: orchestra
isrc code: GBPFW2400732
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T17:49:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4c8b004b6843beba6ab347273401b624afa9054dd4384cd7d9d273a8ebe65343
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/GBPFW2400732
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 0x4c8b004b6843beba6ab347273401b624afa9054dd4384cd7d9d273a8ebe65343. 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/GBPFW2400732.
  date published: 2026-07-08T03:20:19Z
audio: Copland: Story of Our Town (From "Our Town")
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.305
  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: 0.449
  additional property: Energy
    type: PropertyValue
    value: 0.003
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.941
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.264
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.689
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Newman, T: Shoulder Length
type: MusicRecording
duration: PT3M30S
duration ms: 210149
explicit: false
by artist: Thomas Newman
by artist: Sebastian Knauer
by artist: David Newman
by artist: Deutsches Symphonie-Orchester Berlin
in album: Hollywood
  type: MusicAlbum
  date published: 2024-11-29
isrc code: GBPFW2400734
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T08:09:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc16eee8038d9b92cba8272f8deef8a735e0cf0f45b1b711a9e89b90daf332e63
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/GBPFW2400734
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 0xc16eee8038d9b92cba8272f8deef8a735e0cf0f45b1b711a9e89b90daf332e63. 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/GBPFW2400734.
  date published: 2026-07-08T03:20:19Z
audio: Newman, T: Shoulder Length
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.293
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.292
  additional property: Energy
    type: PropertyValue
    value: 0.046
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.838
  additional property: Liveness
    type: PropertyValue
    value: 0.085
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.162
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

The Mozart / Nyman Concert
type: MusicAlbum
date published: 2021-06-04
track: Wolfgang Amadeus Mozart: Sonata C Major K 330: II. Andante cantabile
  type: MusicRecording
  duration: PT6M12S
  duration ms: 372160
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Sebastian Knauer
  in album: The Mozart / Nyman Concert
    type: MusicAlbum
    date published: 2021-06-04
  genre: classical
  genre: classical-era
  isrc code: DELV42100185
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T15:16:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xefc316c2f44dd77c9fe024ae8a7ee1a32703de0091872b27e068163c9d4f17b3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV42100185
  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 0xefc316c2f44dd77c9fe024ae8a7ee1a32703de0091872b27e068163c9d4f17b3. 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/DELV42100185.
    date published: 2026-07-08T08:56:20Z
  audio: Wolfgang Amadeus Mozart: Sonata C Major K 330: II. Andante cantabile
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 113.401
    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: 0.483
    additional property: Energy
      type: PropertyValue
      value: 0.014
    additional property: Speechiness
      type: PropertyValue
      value: 0.058
    additional property: Acousticness
      type: PropertyValue
      value: 0.995
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.936
    additional property: Liveness
      type: PropertyValue
      value: 0.056
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.186
    additional property: Loudness (dB)
      type: PropertyValue
      value: -29.564
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

This Is (Not) Beethoven
type: MusicAlbum
date published: 2020-08-14
track: Una Fantasia
  type: MusicRecording
  duration: PT6M14S
  duration ms: 374406
  explicit: false
  by artist: Arash Safaian
  by artist: Ludwig van Beethoven
  by artist: Sebastian Knauer
  by artist: Zürcher Kammerorchester
  in album: This Is (Not) Beethoven
    type: MusicAlbum
    date published: 2020-08-14
  isrc code: DELV42000205
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-17T20:59:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa0c99b4f976968d3ebf13237a16a646a9317142e93a7b75a48eda71c86173439
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956349
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV42000205
  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0c99b4f976968d3ebf13237a16a646a9317142e93a7b75a48eda71c86173439. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/DELV42000205.
    date published: 2026-07-02T11:34:59Z
  audio: Una Fantasia
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 114.173
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.155
    additional property: Energy
      type: PropertyValue
      value: 0.175
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.944
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.917
    additional property: Liveness
      type: PropertyValue
      value: 0.116
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.038
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.378
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Kammermusik
  type: MusicRecording
  duration: PT3M38S
  duration ms: 218440
  explicit: false
  by artist: Arash Safaian
  by artist: Ludwig van Beethoven
  by artist: Sebastian Knauer
  by artist: Zürcher Kammerorchester
  by artist: Eldbjørg Hemsing
  in album: This Is (Not) Beethoven
    type: MusicAlbum
    date published: 2020-08-14
  isrc code: DELV42000206
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T02:59:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x15d20d976331eebe802fe95a13d9ecafcc26fa70ea4568c5cf29d88f9a84659c
  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/DELV42000206
  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 0x15d20d976331eebe802fe95a13d9ecafcc26fa70ea4568c5cf29d88f9a84659c. 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/DELV42000206.
    date published: 2026-07-02T03:55:08Z
  audio: Kammermusik
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 132.379
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.384
    additional property: Energy
      type: PropertyValue
      value: 0.324
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.906
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.923
    additional property: Liveness
      type: PropertyValue
      value: 0.094
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.211
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.91
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Barcelona Pavillon
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227808
  explicit: false
  by artist: Arash Safaian
  by artist: Ludwig van Beethoven
  by artist: Sebastian Knauer
  by artist: Zürcher Kammerorchester
  by artist: Samy Moussa
  in album: This Is (Not) Beethoven
    type: MusicAlbum
    date published: 2020-08-14
  isrc code: DELV42000207
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T15:27:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe062cfe8cb0e48acd0aa5972ea3e1d8527a32559396e74d8041ad6a3ea2350cd
  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: Barcelona Pavillon
track: Fuge 106
track: Variation I-III March
track: Variation IV Heroic
track: Variation V Grid
track: Variation VI Aria in Black
track: Florestan
track: Torso Belvedere
track: Variation VII-IX
track: Variation X Ricercar
track: Variation XI The Unknown of the Seine
track: Variation XII Wanderer
track: Adagietto
track: Una Fantasia (String Orchestra Version)

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956349

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956349

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV42000207

OTSTimestamp
type: PropertyValue
value: 2026-07-02T11:34:59Z

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 0xe062cfe8cb0e48acd0aa5972ea3e1d8527a32559396e74d8041ad6a3ea2350cd. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/DELV42000207.
date published: 2026-07-02T11:34:59Z

Barcelona Pavillon
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 102.659
additional property: Musical Key
  type: PropertyValue
  value: 8
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.122
additional property: Energy
  type: PropertyValue
  value: 0.236
additional property: Speechiness
  type: PropertyValue
  value: 0.032
additional property: Acousticness
  type: PropertyValue
  value: 0.904
additional property: Instrumentalness
  type: PropertyValue
  value: 0.864
additional property: Liveness
  type: PropertyValue
  value: 0.128
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.043
additional property: Loudness (dB)
  type: PropertyValue
  value: -18.457
additional property: Key Name
  type: PropertyValue
  value: Ab
additional property: Mode Name
  type: PropertyValue
  value: Major

Fuge 106
type: MusicRecording
duration: PT5M18S
duration ms: 318839
explicit: false
by artist: Arash Safaian
by artist: Ludwig van Beethoven
by artist: Sebastian Knauer
by artist: Zürcher Kammerorchester
in album: This Is (Not) Beethoven
  type: MusicAlbum
  date published: 2020-08-14
isrc code: DELV42000208
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T08:17:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x26e37f759102b99854ed4702d773ce692ee78dc802869ba5e78af441962a3947
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV42000208
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26e37f759102b99854ed4702d773ce692ee78dc802869ba5e78af441962a3947. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV42000208.
  date published: 2026-07-02T05:09:12Z
audio: Fuge 106
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.761
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.269
  additional property: Energy
    type: PropertyValue
    value: 0.375
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.947
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.899
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.141
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.287
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Variation I-III March
type: MusicRecording
duration: PT4M11S
duration ms: 251561
explicit: false
by artist: Arash Safaian
by artist: Ludwig van Beethoven
by artist: Sebastian Knauer
by artist: Zürcher Kammerorchester
in album: This Is (Not) Beethoven
  type: MusicAlbum
  date published: 2020-08-14
isrc code: DELV42000209
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T15:38:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcad373040fb971da0a8b382b601b52447d5e1b0c9e4ff71ce12d5ef4412216b4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956351
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV42000209
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
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 0xcad373040fb971da0a8b382b601b52447d5e1b0c9e4ff71ce12d5ef4412216b4. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DELV42000209.
  date published: 2026-07-02T11:38:34Z
audio: Variation I-III March
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.405
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.242
  additional property: Energy
    type: PropertyValue
    value: 0.304
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.932
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.605
  additional property: Liveness
    type: PropertyValue
    value: 0.094
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.206
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.922
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Variation IV Heroic
type: MusicRecording
duration: PT3M45S
duration ms: 225801
explicit: false
by artist: Arash Safaian
by artist: Ludwig van Beethoven
by artist: Sebastian Knauer
by artist: Zürcher Kammerorchester
by artist: Samy Moussa
in album: This Is (Not) Beethoven
  type: MusicAlbum
  date published: 2020-08-14
isrc code: DELV42000210
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T16:04:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5b4b62e13f5fd3688c2593c4b4bf5e828bd2cc80e2ac187c80ae78ec7c0232ab
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956351
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV42000210
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
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 0x5b4b62e13f5fd3688c2593c4b4bf5e828bd2cc80e2ac187c80ae78ec7c0232ab. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DELV42000210.
  date published: 2026-07-02T11:38:34Z
audio: Variation IV Heroic
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.802
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.166
  additional property: Energy
    type: PropertyValue
    value: 0.277
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.876
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.768
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.103
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.873
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Variation V Grid
type: MusicRecording
duration: PT3M23S
duration ms: 203536
explicit: false
by artist: Arash Safaian
by artist: Ludwig van Beethoven
by artist: Sebastian Knauer
by artist: Zürcher Kammerorchester
by artist: Samy Moussa
in album: This Is (Not) Beethoven
  type: MusicAlbum
  date published: 2020-08-14
isrc code: DELV42000211
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T13:21:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4dc3c4cf3ec2eda36d52bc83fb556f1c09db3b7609d00d176629bdd5d0bb53e4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957050
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957050
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV42000211
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:41:13Z
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 0x4dc3c4cf3ec2eda36d52bc83fb556f1c09db3b7609d00d176629bdd5d0bb53e4. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/DELV42000211.
  date published: 2026-07-07T14:41:13Z
audio: Variation V Grid
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 155.306
  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: 0.336
  additional property: Energy
    type: PropertyValue
    value: 0.052
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.929
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.889
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.748
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Variation VI Aria in Black
type: MusicRecording
duration: PT3M36S
duration ms: 216600
explicit: false
by artist: Arash Safaian
by artist: Ludwig van Beethoven
by artist: Sebastian Knauer
by artist: Zürcher Kammerorchester
in album: This Is (Not) Beethoven
  type: MusicAlbum
  date published: 2020-08-14
isrc code: DELV42000212
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T16:04:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x39429af8bdf39a5901326ee435e92f01bc44a28c16686e7337f32398e7377269
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956351
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV42000212
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
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 0x39429af8bdf39a5901326ee435e92f01bc44a28c16686e7337f32398e7377269. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DELV42000212.
  date published: 2026-07-02T11:38:34Z
audio: Variation VI Aria in Black
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.072
  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: 0.195
  additional property: Energy
    type: PropertyValue
    value: 0.164
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.917
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.844
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.386
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Florestan
type: MusicRecording
duration: PT5M10S
duration ms: 310300
explicit: false
by artist: Arash Safaian
by artist: Ludwig van Beethoven
by artist: Sebastian Knauer
by artist: Zürcher Kammerorchester
in album: This Is (Not) Beethoven
  type: MusicAlbum
  date published: 2020-08-14
isrc code: DELV42000213
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T15:29:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf91fd1b93740cb61e1a89ea655f51cc3eea84ffcd2323adc4c1fec97735cc4d6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956349
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV42000213
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
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 0xf91fd1b93740cb61e1a89ea655f51cc3eea84ffcd2323adc4c1fec97735cc4d6. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/DELV42000213.
  date published: 2026-07-02T11:34:59Z
audio: Florestan
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.297
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.215
  additional property: Energy
    type: PropertyValue
    value: 0.049
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.945
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.921
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.465
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Torso Belvedere
type: MusicRecording
duration: PT4M6S
duration ms: 246400
explicit: false
by artist: Arash Safaian
by artist: Ludwig van Beethoven
by artist: Sebastian Knauer
by artist: Zürcher Kammerorchester
in album: This Is (Not) Beethoven
  type: MusicAlbum
  date published: 2020-08-14
isrc code: DELV42000214
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T16:02:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x73ec956d0d55419e1fb395d23629801ad911b078f75ec6e44ecd7e5e7941828b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956351
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV42000214
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
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 0x73ec956d0d55419e1fb395d23629801ad911b078f75ec6e44ecd7e5e7941828b. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DELV42000214.
  date published: 2026-07-02T11:38:34Z
audio: Torso Belvedere
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.398
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.283
  additional property: Energy
    type: PropertyValue
    value: 0.357
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.903
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.83
  additional property: Liveness
    type: PropertyValue
    value: 0.296
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.214
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.162
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Variation VII-IX
type: MusicRecording
duration: PT2M5S
duration ms: 125811
explicit: false
by artist: Arash Safaian
by artist: Ludwig van Beethoven
by artist: Sebastian Knauer
by artist: Zürcher Kammerorchester
in album: This Is (Not) Beethoven
  type: MusicAlbum
  date published: 2020-08-14
isrc code: DELV42000215
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T08:17:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x152778711d56ae01a96b99a9f8b89f911c8d576a1e908d0856e9f82ae6be528c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV42000215
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x152778711d56ae01a96b99a9f8b89f911c8d576a1e908d0856e9f82ae6be528c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV42000215.
  date published: 2026-07-02T05:09:12Z
audio: Variation VII-IX
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.183
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.334
  additional property: Energy
    type: PropertyValue
    value: 0.158
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.94
  additional property: Liveness
    type: PropertyValue
    value: 0.094
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.294
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.101
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Variation X Ricercar
type: MusicRecording
duration: PT4M12S
duration ms: 252088
explicit: false
by artist: Arash Safaian
by artist: Ludwig van Beethoven
by artist: Sebastian Knauer
by artist: Zürcher Kammerorchester
in album: This Is (Not) Beethoven
  type: MusicAlbum
  date published: 2020-08-14
isrc code: DELV42000216
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T16:01:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x31ffc89e01142e823648952e918adab5375fe3701ee7207178117c44ba80535c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956351
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV42000216
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
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 0x31ffc89e01142e823648952e918adab5375fe3701ee7207178117c44ba80535c. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DELV42000216.
  date published: 2026-07-02T11:38:34Z
audio: Variation X Ricercar
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.201
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.292
  additional property: Energy
    type: PropertyValue
    value: 0.354
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.904
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.932
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.24
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.134
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Variation XI The Unknown of the Seine
type: MusicRecording
duration: PT4M31S
duration ms: 271800
explicit: false
by artist: Arash Safaian
by artist: Ludwig van Beethoven
by artist: Sebastian Knauer
by artist: Zürcher Kammerorchester
in album: This Is (Not) Beethoven
  type: MusicAlbum
  date published: 2020-08-14
isrc code: DELV42000217
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T16:04:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8fdf8b28107c983b5e3b1a12e624595a68858b17b067994098180d52f512f125
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956351
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV42000217
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
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 0x8fdf8b28107c983b5e3b1a12e624595a68858b17b067994098180d52f512f125. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DELV42000217.
  date published: 2026-07-02T11:38:34Z
audio: Variation XI The Unknown of the Seine
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.403
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.16
  additional property: Energy
    type: PropertyValue
    value: 0.08
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.936
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.859
  additional property: Liveness
    type: PropertyValue
    value: 0.094
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.82
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Variation XII Wanderer
type: MusicRecording
duration: PT2M49S
duration ms: 169714
explicit: false
by artist: Arash Safaian
by artist: Ludwig van Beethoven
by artist: Sebastian Knauer
by artist: Zürcher Kammerorchester
in album: This Is (Not) Beethoven
  type: MusicAlbum
  date published: 2020-08-14
isrc code: DELV42000218
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T03:04:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa4b84aca995c98bc38a12c206ca8712c2184dc051cdef70f1f728b371916f59f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956891
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956891
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV42000218
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:16:32Z
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 0xa4b84aca995c98bc38a12c206ca8712c2184dc051cdef70f1f728b371916f59f. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/DELV42000218.
  date published: 2026-07-06T07:16:32Z
audio: Variation XII Wanderer
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 81.809
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.363
  additional property: Energy
    type: PropertyValue
    value: 0.359
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.923
  additional property: Liveness
    type: PropertyValue
    value: 0.078
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.33
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.351
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Adagietto
type: MusicRecording
duration: PT2M22S
duration ms: 142857
explicit: false
by artist: Ludwig van Beethoven
by artist: Arash Safaian
by artist: Sebastian Knauer
in album: This Is (Not) Beethoven
  type: MusicAlbum
  date published: 2020-08-14
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DELV42000219
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T06:51:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb212d262376637544a58d7b4fc49e18c7f909d40e5c9295ac2193572ed88d584
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV42000219
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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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track: Concerto No. 1, "Infinite Games": IV. Prelude in C - After Prelude in C Major, Nine Little Preludes, Klavierbüchlein für Wilhelm Friedemann Bach, BWV 924
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track: Concerto No. 3, "Fuge Like a Passion": I. Canon in G - After Canon Super Fa Mi, a 7. Post Tempus Musicum, BWV 1078

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OpenTimestamps Proof of Existence
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date published: 2026-07-02T03:55:08Z

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Concerto No. 1, "Infinite Games": IV. Prelude in C - After Prelude in C Major, Nine Little Preludes, Klavierbüchlein für Wilhelm Friedemann Bach, BWV 924
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Concerto No. 3, "Fuge Like a Passion": I. Canon in G - After Canon Super Fa Mi, a 7. Post Tempus Musicum, BWV 1078
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Concerto No. 3, "Fuge Like a Passion": I. Canon in G - After Canon Super Fa Mi, a 7. Post Tempus Musicum, BWV 1078
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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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Pure Mendelssohn
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Haydn: Piano Concertos, Hob.Xviii:3,4,9,11
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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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    date published: 2026-06-13T15:41:10Z
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track: Keyboard Concerto in G Major, Hob.XVIII:4: I. Allegro
track: Keyboard Concerto in G Major, Hob.XVIII:4: III. Rondo: Presto
track: Piano Concerto in G Major, Hob.XVIII:9: III. Tempo di Meneutto

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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-06T07:53:57Z

Keyboard Concertino in C Major, Hob.XIV:11: III. Rondo all'ungarese: Allegro assai
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Keyboard Concerto in G Major, Hob.XVIII:4: I. Allegro
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by artist: Cologne Chamber Orchestra
by artist: Helmut Müller-Brühl
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subject of: OpenTimestamps Proof of Existence
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audio: Keyboard Concerto in G Major, Hob.XVIII:4: I. Allegro
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Keyboard Concerto in G Major, Hob.XVIII:4: III. Rondo: Presto
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subject of: OpenTimestamps Proof of Existence
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Piano Concerto in G Major, Hob.XVIII:9: III. Tempo di Meneutto
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Franz Schubert: 4 Impromptus / Piano piece in C Major / Adagio and Rondo Concertante
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Mozart: Piano Music
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Winter in Majorca (Chopins' Piano works with texts from George Sand)
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Schubert: 4 Impromptus, Op. 90, Allegretto D. 915, Ungarische Melodie D. 817 & Sonata D. 958
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Horner: An Apparition in the Fields (From "The New World")
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Newman, T: Shoulder Length
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Copland: Story of Our Town
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Main Theme (From "Mr. Sunshine")
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The Song for My Brother (From "Crash Landing on You")
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Michael Nyman: 6 Piano Pieces for Sebastian Knauer: K1
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Wolfgang Amadeus Mozart: Sonata C Major K 545: I. Allegro
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Wolfgang Amadeus Mozart: Sonata C Major K 330: II. Andante cantabile
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Henrik Schwarz Beet Grid Variation
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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 0x4dc3c4cf3ec2eda36d52bc83fb556f1c09db3b7609d00d176629bdd5d0bb53e4. 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/DELV42000211.
    date published: 2026-07-02T03:55:08Z
  audio: Variation V Grid
    type: AudioObject
    additional property: Tempo (BPM)
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    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: 0.336
    additional property: Energy
      type: PropertyValue
      value: 0.075
    additional property: Speechiness
      type: PropertyValue
      value: 0.047
    additional property: Acousticness
      type: PropertyValue
      value: 0.929
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.891
    additional property: Liveness
      type: PropertyValue
      value: 0.106
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.036
    additional property: Loudness (dB)
      type: PropertyValue
      value: -23.748
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Florestan (Rubato Espressivo)
type: MusicAlbum
date published: 2020-12-11
track: Florestan (Rubato Espressivo)
  type: MusicRecording
  duration: PT4M7S
  duration ms: 247865
  explicit: false
  by artist: Arash Safaian
  by artist: Sebastian Knauer
  by artist: Zürcher Kammerorchester
  in album: Florestan (Rubato Espressivo)
    type: MusicAlbum
    date published: 2020-12-11
  isrc code: DELV42000222
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T19:01:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4a43621e86abbaaba5453a18193ca900f0576575359ba2ea5297e7bc942db962
  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/DELV42000222
  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 0x4a43621e86abbaaba5453a18193ca900f0576575359ba2ea5297e7bc942db962. 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/DELV42000222.
    date published: 2026-07-08T03:53:27Z
  audio: Florestan (Rubato Espressivo)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 144.348
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.223
    additional property: Energy
      type: PropertyValue
      value: 0.027
    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.896
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.037
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.093
    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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Adagietto (Matthew Herbert Mediterranean Dub)
type: MusicAlbum
date published: 2020-10-16
track: Adagietto (Matthew Herbert Mediterranean Dub)
  type: MusicRecording
  duration: PT9M1S
  duration ms: 541407
  explicit: false
  by artist: Arash Safaian
  by artist: Sebastian Knauer
  by artist: Matthew Herbert
  in album: Adagietto (Matthew Herbert Mediterranean Dub)
    type: MusicAlbum
    date published: 2020-10-16
  isrc code: DELV42000683
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T08:14:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x43c2a2dbb72127b3121e48bb4c1c307e2ee2d3c1230e84239aa3e06282523c7a
  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/DELV42000683
  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 0x43c2a2dbb72127b3121e48bb4c1c307e2ee2d3c1230e84239aa3e06282523c7a. 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/DELV42000683.
    date published: 2026-07-02T03:55:08Z
  audio: Adagietto (Matthew Herbert Mediterranean Dub)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 111.226
    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: 0.165
    additional property: Energy
      type: PropertyValue
      value: 0.151
    additional property: Speechiness
      type: PropertyValue
      value: 0.056
    additional property: Acousticness
      type: PropertyValue
      value: 0.809
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.075
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.166
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Adagietto
  type: MusicRecording
  duration: PT2M22S
  duration ms: 142857
  explicit: false
  by artist: Arash Safaian
  by artist: Sebastian Knauer
  in album: Adagietto (Matthew Herbert Mediterranean Dub)
    type: MusicAlbum
    date published: 2020-10-16
  isrc code: DELV42000219
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-06-04T06:51:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb212d262376637544a58d7b4fc49e18c7f909d40e5c9295ac2193572ed88d584
  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/DELV42000219
  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 0xb212d262376637544a58d7b4fc49e18c7f909d40e5c9295ac2193572ed88d584. 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/DELV42000219.
    date published: 2026-06-13T17:25:41Z
  audio: Adagietto
    type: AudioObject
    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: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.306
    additional property: Energy
      type: PropertyValue
      value: 0.013
    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.991
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.952
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.106
    additional property: Loudness (dB)
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      value: -33.274
    additional property: Key Name
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    additional property: Mode Name
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Torso Belvedere
type: MusicAlbum
date published: 2020-08-11

Adagietto
type: MusicAlbum
date published: 2020-07-10

Kammermusik
type: MusicAlbum
date published: 2020-06-26

Una Fantasia
type: MusicAlbum
date published: 2020-05-29

Mozart: Piano Concerto No. 16
type: MusicAlbum
date published: 2005-01-01

Mozart : Piano Works & Violin Sonatas
type: MusicAlbum
date published: 2006-06-20
track: Mozart: Piano Sonata No. 1 in C Major, K. 279: II. Andante
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254600
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Karl Engel
  in album: Mozart : Piano Works & Violin Sonatas
    type: MusicAlbum
    date published: 2006-06-20
  genre: classical
  genre: classical-era
  isrc code: DEA808220002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T03:51:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe9042429c64b575929890eacdf130a841df56479807e9eb74ad8eb15eaa38fb7
  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/DEA808220002
  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 0xe9042429c64b575929890eacdf130a841df56479807e9eb74ad8eb15eaa38fb7. 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/DEA808220002.
    date published: 2026-07-08T03:22:41Z
  audio: Mozart: Piano Sonata No. 1 in C Major, K. 279: II. Andante
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
      value: 0.353
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
      value: 0.058
    additional property: Acousticness
      type: PropertyValue
      value: 0.995
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.945
    additional property: Liveness
      type: PropertyValue
      value: 0.114
    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -29.358
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Mozart: Piano Sonata No. 1 in C Major, K. 279: III. Allegro
  type: MusicRecording
  duration: PT3M27S
  duration ms: 207626
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Karl Engel
  in album: Mozart : Piano Works & Violin Sonatas
    type: MusicAlbum
    date published: 2006-06-20
  genre: classical
  genre: classical-era
  isrc code: DEA808220003
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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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/DEA808220003
  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 0x6503306788d766f58700b3dba53582a7c722925279fc3c5671f6e68e754a1500. 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/DEA808220003.
    date published: 2026-07-08T03:22:41Z
  audio: Mozart: Piano Sonata No. 1 in C Major, K. 279: III. Allegro
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
      value: 0.378
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
      value: 0.995
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.921
    additional property: Liveness
      type: PropertyValue
      value: 0.098
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.805
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.136
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Mozart: Piano Sonata No. 2 in F Major, K. 280: I. Allegro assai
  type: MusicRecording
  duration: PT4M30S
  duration ms: 270893
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Karl Engel
  in album: Mozart : Piano Works & Violin Sonatas
    type: MusicAlbum
    date published: 2006-06-20
  genre: classical
  genre: classical-era
  isrc code: DEA808220004
  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: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Mozart: Piano Sonata No. 2 in F Major, K. 280: I. Allegro assai
track: Mozart: Piano Sonata No. 4 in E-Flat Major, K. 282: I. Adagio
track: Mozart: Piano Sonata No. 10 in C Major, Op. 6 No. 1, K. 330: I. Allegro moderato
track: Mozart: Piano Sonata No. 11 in A Major, Op. 6 No. 2, K. 331 "Alla Turca": III. Allegretto. Turkish March

OTSHash
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OTSBitcoinBlock
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value: 957122

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957122

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA808220004

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:39:04Z

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 0xfc8a8b661352c8fb9ab6802e05e6af36216dddfea78c590f01c7e1532277f406. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/DEA808220004.
date published: 2026-07-08T03:39:04Z

Mozart: Piano Sonata No. 2 in F Major, K. 280: I. Allegro assai
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 142.513
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: 0.292
additional property: Energy
  type: PropertyValue
  value: 0.113
additional property: Speechiness
  type: PropertyValue
  value: 0.039
additional property: Acousticness
  type: PropertyValue
  value: 0.993
additional property: Instrumentalness
  type: PropertyValue
  value: 0.91
additional property: Liveness
  type: PropertyValue
  value: 0.096
additional property: Valence (Positivity)
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  value: 0.781
additional property: Loudness (dB)
  type: PropertyValue
  value: -25.622
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Major

Mozart: Piano Sonata No. 4 in E-Flat Major, K. 282: I. Adagio
type: MusicRecording
duration: PT5M50S
duration ms: 350040
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Karl Engel
in album: Mozart : Piano Works & Violin Sonatas
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genre: classical
genre: classical-era
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additional property: CopyrightStatus
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  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 0x56588c5d20279e12df9207ee22f1e27d00697e90447fd8e1e000beb2d0e3d308. 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/DEA808220010.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Piano Sonata No. 4 in E-Flat Major, K. 282: I. Adagio
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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    value: 0.347
  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
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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Mozart: Piano Sonata No. 10 in C Major, Op. 6 No. 1, K. 330: I. Allegro moderato
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duration: PT6M14S
duration ms: 374573
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by artist: Wolfgang Amadeus Mozart
by artist: Karl Engel
in album: Mozart : Piano Works & Violin Sonatas
  type: MusicAlbum
  date published: 2006-06-20
genre: classical
genre: classical-era
isrc code: DEA808220030
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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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 0x8cc34ac17ed10b2b0dec9ecc11558c949058c7df2cff26f277b9046cba824b5b. 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/DEA808220030.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Piano Sonata No. 10 in C Major, Op. 6 No. 1, K. 330: I. Allegro moderato
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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
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  additional property: Energy
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  additional property: Acousticness
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Mozart: Piano Sonata No. 11 in A Major, Op. 6 No. 2, K. 331 "Alla Turca": III. Allegretto. Turkish March
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duration ms: 197133
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by artist: Wolfgang Amadeus Mozart
by artist: Karl Engel
in album: Mozart : Piano Works & Violin Sonatas
  type: MusicAlbum
  date published: 2006-06-20
genre: classical
genre: classical-era
isrc code: DEA808220036
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
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA808220036
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 0x7c85621dc94f8649baccbc82a7d64219df9ef03cb5b3f1ebfa10f04dcfa531ea. 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/DEA808220036.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Piano Sonata No. 11 in A Major, Op. 6 No. 2, K. 331 "Alla Turca": III. Allegretto. Turkish March
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    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: Acousticness
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