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genre: classical
description: Hans-Martin Linde (born 24 May 1930 in Werne, Germany) is a German conductor, composer, and noted virtuoso flute and recorder player of (mainly) baroque and early music. He was educated at the Hochsch
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  track: March for Winds in E-Flat Major
  track: Mollwitz March in F Major
album: Telemann: Flute Concerto / Overtures
album: Telemann: Suit für Flöte und Viola
album: Telemann - Art Edition: Ouverture-Suites, TWV 55:a2 & TWV 55:D6
album: Mozart: Flute Concertos; Salieri: Concerto for Flute and Orchestra
album: Handel: Concerti Grossi, Opp. 3 & 6
album: Cappella Coloniensis / Gustav Scheck / August Wenzinger spielen; Georg Friedrich Händel: Concerto grosso Nr. 1 / Nr. 2, Op. 3, HWV 312
album: Mozart Era (Meister Der Mozart-Zeit) - Kraus, J.M. / Naumann, J.G. / Salieri, A. / Rosetti, A. / Dittersdorf, C.D. Von / Gluck, C.W.
album: Berlin Castles (Music From) - Graun, J.G. / Frederick Ii / Benda, F. / Quantz, J.J. / August Wilhelm / Janitsch, J.G. / Bach, C.P.E.
album: Cappella Coloniensis (1954-2004)
album: Wegbereiter der Klassik
album: Mozart: Symphonies Nos. 25 & 31 - Violin Concerto, K. 271i
album: Pergolesi / Vivaldi / Woodcock / Blavet / Leclair: Flute Concertos
album: Italian Masters
album: Schütz: Musikalische Exequien & Psalm 136
album: Handel: Flute Sonatas
album: Classical Selection - Telemann & Sammartini : Concertos for Viola & Trumpet Concertos
album: Hans-Martin Linde & Konrad Ragossnig: Musik für Flöte und Gitarre
album: Keiser: Die großmütige Tomyris
album: Fasch: Ouvertures - Concerti
album: Telemann: Overtures
album: Symphonies of the Mozart Era
album: England - Schweden
album: Haydn: Symphony No. 36 - Violin Concerto No. 4 - Miseri noi
album: Bach: Geschwinde, ihr wirbelnden Winde
album: Haydn: Symphonies Nos. 66, 90 & 91
album: Fasch, J.F.: Orchestral Music
album: Orchestral Music - Gossec, F.-J. / Vanhal, J.B. / Mahaut, A. / Kraus, J.M. (Classical Symphonies)
album: Heinichen, J.D. / Graupner, C. / Fasch, J.F. / Graun, J.G.: Overtures
album: Haydn, J.: Soprano Cantatas - Berenice, Che Fai / Miseri Noi / Violin Concerto No. 4 / Symphony No. 92
album: Telemann, G.P.: Overture (Suites) in C Major / E Minor / F Major
album: Mozart Era (Symphonies of Mozart's Time) - Gossec, F.-J. / Bach, J.C. / Vanhal, J.B. / Dittersdorf, C.D. Von
album: Musik in Sanssouci
album: Haydn, F.J.: Symphonies Nos. 66, 90, 91, 92 and 98
album: Baroque Music
album: Music of the 18th Century for Flute and Guitar
album: Italian Baroque Flute Music
album: Barock Traverse Flute
album: Romantic Baroque
album: Mozart: Flute Concertos, K. 313, 314 & Andante, K. 315
album: Haendel Concerti grossi Op.3
album: Bach: Cantatas, BWV 161, 170 & 177
album: Handel: Sonates en trio, HWV 386b & 389 (Mono Version)
album: Telemann: 2 Sonaten für Blockflöte & Fantasie für Traversflöte (Mono Version)
album: Musik für Blockflöte aus Renaissance und Barock
album: Linde: Music for a Bird / Fünf Studien / Amarilli, mia bella / Anspielungen / Märchen / Fantasien und Scherzi / Trio
album: Music for Two: Neue Musik für Blockflöte und Gitarre
album: Telemann: 4 Concertos
track: Brandenburg Concerto No. 2 in F, BWV 1047: 1. (Allegro)
track: Brandenburg Concerto No. 4 in G, BWV 1049: 1. Allegro
track: Water Music Suite No. 1 in F Major, HWV. 348: VI. Air
track: Brandenburg Concerto No. 2 in F, BWV 1047: 2. Andante
track: Brandenburg Concerto No. 2 in F, BWV 1047: 3. Allegro assai
track: Brandenburg Concerto No. 4 in G, BWV 1049: 2. Andante
track: Brandenburg Concerto No. 4 in G, BWV 1049: 3. Presto
track: Bach, JS: Musikalisches Opfer, BWV 1079: Sonata sopr' il soggetto Reale. IV. Allegro
track: Music for the Royal Fireworks, HWV. 351: IV. La réjouissance

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March for Winds in E-Flat Major
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Mollwitz March in F Major
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Telemann: Suit für Flöte und Viola
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Mozart: Flute Concertos; Salieri: Concerto for Flute and Orchestra
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Wegbereiter der Klassik
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Mozart: Symphonies Nos. 25 & 31 - Violin Concerto, K. 271i
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  subject of: OpenTimestamps Proof of Existence
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track: Concerto à 4 parties in A minor: 1. Allegro
track: Concerto à 4 parties in A minor: 2. Gavotte I and Gavotte II:Tendrement
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
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Concerto for flute, Strings and continuo No. 9 ein E minor: 2. Largo
type: MusicRecording
duration: PT2M12S
duration ms: 132493
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by artist: Robert Woodcock
by artist: Hans-Martin Linde
by artist: Lucerne Festival Strings
by artist: Rudolf Baumgartner
in album: Pergolesi / Vivaldi / Woodcock / Blavet / Leclair: Flute Concertos
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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
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Concerto for flute, Strings and continuo No. 9 ein E minor: 3. Allegro (quasi Presto)
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by artist: Hans-Martin Linde
by artist: Lucerne Festival Strings
by artist: Rudolf Baumgartner
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popularity: 1
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:59:18Z
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Concerto à 4 parties in A minor: 1. Allegro
type: MusicRecording
duration: PT5M53S
duration ms: 353000
explicit: false
by artist: Michel Blavet
by artist: Aurèle Nicolet
by artist: Lucerne Festival Strings
by artist: Rudolf Baumgartner
in album: Pergolesi / Vivaldi / Woodcock / Blavet / Leclair: Flute Concertos
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popularity: 1
genre: classical-era
genre: galante-era
genre: baroque
genre: french-baroque
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Concerto à 4 parties in A minor: 2. Gavotte I and Gavotte II:Tendrement
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by artist: Aurèle Nicolet
by artist: Lucerne Festival Strings
by artist: Rudolf Baumgartner
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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: 2026-07-30T10:42:33Z
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Concerto à 4 parties in A minor: 3. Allegro
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by artist: Aurèle Nicolet
by artist: Lucerne Festival Strings
by artist: Rudolf Baumgartner
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
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Italian Masters
type: MusicAlbum
date published: 2010-08-01

Schütz: Musikalische Exequien & Psalm 136
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date published: 2022-11-04

Handel: Flute Sonatas
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Flute Sonata in E Minor, Op. 1 No. 1a, HWV 379: IV. Allegro
track: Flute Sonata in E Minor, Op. 1 No. 1a, HWV 379: V. Presto
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track: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: III. (Adagio)
track: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: IV. Bouée
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track: Flute Sonata in B Minor, Op. 1 No. 9, HWV 367b: I. Largo
track: Flute Sonata in B Minor, Op. 1 No. 9, HWV 367b: II. Vivace
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track: Flute Sonata in B Minor, Op. 1 No. 9, HWV 367b: V. Alla breve
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track: Flute Sonata in B Minor, Op. 1 No. 9, HWV 367b: VII. A tempo di minuet
track: Flute Sonata in A minor, HWV 374 "Halle" No. 1: I. Adagio
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  date published: 2026-07-08T03:20:19Z
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Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: III. (Adagio)
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duration ms: 136573
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by artist: George Frideric Handel
by artist: Hans-Martin Linde
by artist: Karl Richter
by artist: Johannes Koch
in album: Handel: Flute Sonatas
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  date published: 2020-10-09
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:51:48Z
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Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: IV. Bouée
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duration: PT0M59S
duration ms: 59493
explicit: false
by artist: George Frideric Handel
by artist: Hans-Martin Linde
by artist: Karl Richter
by artist: Johannes Koch
in album: Handel: Flute Sonatas
  type: MusicAlbum
  date published: 2020-10-09
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
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additional property: CopyrightID
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-30T09:57:33Z
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Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: V. Menuetto
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duration: PT1M31S
duration ms: 91906
explicit: false
by artist: George Frideric Handel
by artist: Hans-Martin Linde
by artist: Karl Richter
by artist: Johannes Koch
in album: Handel: Flute Sonatas
  type: MusicAlbum
  date published: 2020-10-09
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF056900145
additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: V. Menuetto
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Flute Sonata in B Minor, Op. 1 No. 9, HWV 367b: I. Largo
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duration: PT2M13S
duration ms: 133453
explicit: false
by artist: George Frideric Handel
by artist: Hans-Martin Linde
by artist: Karl Richter
by artist: Johannes Koch
in album: Handel: Flute Sonatas
  type: MusicAlbum
  date published: 2020-10-09
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-31T18:48:12Z
audio: Flute Sonata in B Minor, Op. 1 No. 9, HWV 367b: I. Largo
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Flute Sonata in B Minor, Op. 1 No. 9, HWV 367b: II. Vivace
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explicit: false
by artist: George Frideric Handel
by artist: Hans-Martin Linde
by artist: Karl Richter
by artist: Johannes Koch
in album: Handel: Flute Sonatas
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genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF056900162
additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T03:20:19Z
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Flute Sonata in B Minor, Op. 1 No. 9, HWV 367b: III. Presto
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by artist: Hans-Martin Linde
by artist: Karl Richter
by artist: Johannes Koch
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genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF056900163
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T03:20:19Z
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Flute Sonata in B Minor, Op. 1 No. 9, HWV 367b: IV. Adagio
type: MusicRecording
duration: PT1M13S
duration ms: 73120
explicit: false
by artist: George Frideric Handel
by artist: Hans-Martin Linde
by artist: Karl Richter
by artist: Johannes Koch
in album: Handel: Flute Sonatas
  type: MusicAlbum
  date published: 2020-10-09
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF056900164
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056900164
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ec43a952c127cceae6238a036350c4db8879169d3702c8bbdfce238ff380401. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056900164 — a six-check JSON result.
  date published: 2026-07-30T15:42:38Z
audio: Flute Sonata in B Minor, Op. 1 No. 9, HWV 367b: IV. Adagio
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Flute Sonata in B Minor, Op. 1 No. 9, HWV 367b: V. Alla breve
type: MusicRecording
duration: PT1M49S
duration ms: 109520
explicit: false
by artist: George Frideric Handel
by artist: Hans-Martin Linde
by artist: Karl Richter
by artist: Johannes Koch
in album: Handel: Flute Sonatas
  type: MusicAlbum
  date published: 2020-10-09
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF056900165
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97b81a8889eae32a06dbdf9bd1d41ab6d4bf9b21b68e8febfeb7caac17d71cbf. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056900165 — a six-check JSON result.
  date published: 2026-07-08T08:56:20Z
audio: Flute Sonata in B Minor, Op. 1 No. 9, HWV 367b: V. Alla breve
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Flute Sonata in B Minor, Op. 1 No. 9, HWV 367b: VI. Andante
type: MusicRecording
duration: PT2M23S
duration ms: 143866
explicit: false
by artist: George Frideric Handel
by artist: Hans-Martin Linde
by artist: Karl Richter
by artist: Johannes Koch
in album: Handel: Flute Sonatas
  type: MusicAlbum
  date published: 2020-10-09
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF056900166
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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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/DEF056900166
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1338fdc8bfd85d44bdaaa3c744019b72781dbfc055a3e4522d530ab10e7896cd. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056900166 — a six-check JSON result.
  date published: 2026-07-31T17:29:52Z
audio: Flute Sonata in B Minor, Op. 1 No. 9, HWV 367b: VI. Andante
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Flute Sonata in B Minor, Op. 1 No. 9, HWV 367b: VII. A tempo di minuet
type: MusicRecording
duration: PT1M55S
duration ms: 115013
explicit: false
by artist: George Frideric Handel
by artist: Hans-Martin Linde
by artist: Karl Richter
by artist: Johannes Koch
in album: Handel: Flute Sonatas
  type: MusicAlbum
  date published: 2020-10-09
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF056900167
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056900167
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc748f3f5a558c8c2da17b34b40573ab1f6df3d0b2715bdf68ea8c32ee10fff97. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056900167 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: Flute Sonata in B Minor, Op. 1 No. 9, HWV 367b: VII. A tempo di minuet
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  additional property: Danceability
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Flute Sonata in A minor, HWV 374 "Halle" No. 1: I. Adagio
type: MusicRecording
duration: PT2M26S
duration ms: 146880
explicit: false
by artist: George Frideric Handel
by artist: Hans-Martin Linde
by artist: Karl Richter
by artist: Johannes Koch
in album: Handel: Flute Sonatas
  type: MusicAlbum
  date published: 2020-10-09
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF056900171
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056900171
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d54ca910ec4e3cff035a7b7d2de510adf1e0a6401d4b34171beee740dfccad0. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056900171 — a six-check JSON result.
  date published: 2026-07-31T20:22:46Z
audio: Flute Sonata in A minor, HWV 374 "Halle" No. 1: I. Adagio
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Flute Sonata in A minor, HWV 374 "Halle" No. 1: II. Allegro
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duration: PT2M3S
duration ms: 123706
explicit: false
by artist: George Frideric Handel
by artist: Hans-Martin Linde
by artist: Karl Richter
by artist: Johannes Koch
in album: Handel: Flute Sonatas
  type: MusicAlbum
  date published: 2020-10-09
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF056900172
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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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
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a3719e5b4de647d9ce4a359349ef6d2fa6be10ae409a39466eb64182386adf4. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056900172 — a six-check JSON result.
  date published: 2026-07-31T10:20:10Z
audio: Flute Sonata in A minor, HWV 374 "Halle" No. 1: II. Allegro
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  additional property: Mode (Major/Minor)
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Flute Sonata in A minor, HWV 374 "Halle" No. 1: III. Adagio
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duration: PT2M51S
duration ms: 171040
explicit: false
by artist: George Frideric Handel
by artist: Hans-Martin Linde
by artist: Karl Richter
by artist: Johannes Koch
in album: Handel: Flute Sonatas
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  date published: 2020-10-09
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF056900173
additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fd4539fda207e7d6df0ab115aaad725d99b61f6364aa028c26a8dd77818ce67. Chain 2 (Bitcoin): anchored in block 960487 (2026-08-01T00:15:43Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056900173 — a six-check JSON result.
  date published: 2026-08-01T00:15:43Z
audio: Flute Sonata in A minor, HWV 374 "Halle" No. 1: III. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.125
  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: 0.368
  additional property: Energy
    type: PropertyValue
    value: 0.089
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.928
  additional property: Liveness
    type: PropertyValue
    value: 0.081
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.394
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.652
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Flute Sonata in A minor, HWV 374 "Halle" No. 1: IV. Allegro
type: MusicRecording
duration: PT1M58S
duration ms: 118746
explicit: false
by artist: George Frideric Handel
by artist: Hans-Martin Linde
by artist: Karl Richter
by artist: Johannes Koch
in album: Handel: Flute Sonatas
  type: MusicAlbum
  date published: 2020-10-09
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF056900174
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T18:47:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd766f91fb3ffc4573a27a0419f3f656499fd80136320cfe0b716fa955fbe2b71
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056900174
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd766f91fb3ffc4573a27a0419f3f656499fd80136320cfe0b716fa955fbe2b71. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056900174 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: Flute Sonata in A minor, HWV 374 "Halle" No. 1: IV. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.324
  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: 0.703
  additional property: Energy
    type: PropertyValue
    value: 0.041
  additional property: Speechiness
    type: PropertyValue
    value: 0.321
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.849
  additional property: Liveness
    type: PropertyValue
    value: 0.182
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.905
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.356
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Flute Sonata in E minor, HWV 375 "Halle" No. 2: I. Adagio
type: MusicRecording
duration: PT2M10S
duration ms: 130733
explicit: false
by artist: George Frideric Handel
by artist: Hans-Martin Linde
by artist: Karl Richter
by artist: Johannes Koch
in album: Handel: Flute Sonatas
  type: MusicAlbum
  date published: 2020-10-09
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF056900181
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T23:45:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x49988e24d1fbd8211fedc38f28ea58748698d014913882f705b70a5fddce4b40
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/DEF056900181
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49988e24d1fbd8211fedc38f28ea58748698d014913882f705b70a5fddce4b40. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056900181 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Flute Sonata in E minor, HWV 375 "Halle" No. 2: I. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.36
  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: 0.245
  additional property: Energy
    type: PropertyValue
    value: 0.082
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.845
  additional property: Liveness
    type: PropertyValue
    value: 0.079
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.33
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.299
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Flute Sonata in E minor, HWV 375 "Halle" No. 2: II. Allegro
type: MusicRecording
duration: PT1M43S
duration ms: 103253
explicit: false
by artist: George Frideric Handel
by artist: Hans-Martin Linde
by artist: Karl Richter
by artist: Johannes Koch
in album: Handel: Flute Sonatas
  type: MusicAlbum
  date published: 2020-10-09
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF056900182
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:52:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x26455ee58eedb05e7665a565c045248c91a88e5c221cf54770479c1530f87327
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/DEF056900182
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26455ee58eedb05e7665a565c045248c91a88e5c221cf54770479c1530f87327. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056900182 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Flute Sonata in E minor, HWV 375 "Halle" No. 2: II. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.176
  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: 0.592
  additional property: Energy
    type: PropertyValue
    value: 0.138
  additional property: Speechiness
    type: PropertyValue
    value: 0.066
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.207
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.902
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.815
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Flute Sonata in E minor, HWV 375 "Halle" No. 2: III. Grave
type: MusicRecording
duration: PT1M50S
duration ms: 110080
explicit: false
by artist: George Frideric Handel
by artist: Hans-Martin Linde
by artist: Karl Richter
by artist: Johannes Koch
in album: Handel: Flute Sonatas
  type: MusicAlbum
  date published: 2020-10-09
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF056900183
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:03:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb4407b6efe696a564781abc4248e9c0f989af85c2d9939ce41e5ad6db1b5e25c
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/DEF056900183
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4407b6efe696a564781abc4248e9c0f989af85c2d9939ce41e5ad6db1b5e25c. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056900183 — a six-check JSON result.
  date published: 2026-07-08T03:53:27Z
audio: Flute Sonata in E minor, HWV 375 "Halle" No. 2: III. Grave
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.526
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.284
  additional property: Energy
    type: PropertyValue
    value: 0.064
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.961
  additional property: Liveness
    type: PropertyValue
    value: 0.059
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.56
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.143
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Flute Sonata in B minor, HWV 376 "Halle" No. 3: I. Adagio
type: MusicRecording
duration: PT2M19S
duration ms: 139693
explicit: false
by artist: George Frideric Handel
by artist: Hans-Martin Linde
by artist: Karl Richter
by artist: Johannes Koch
in album: Handel: Flute Sonatas
  type: MusicAlbum
  date published: 2020-10-09
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF056900151
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T21:23:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8db471fb4819e7bdd64f82060acedd031e9252b241a777c41677f46639a9c4fc
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/DEF056900151
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8db471fb4819e7bdd64f82060acedd031e9252b241a777c41677f46639a9c4fc. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056900151 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Flute Sonata in B minor, HWV 376 "Halle" No. 3: I. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 76.27
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.268
  additional property: Energy
    type: PropertyValue
    value: 0.084
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.91
  additional property: Liveness
    type: PropertyValue
    value: 0.087
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.558
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.471
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Flute Sonata in B minor, HWV 376 "Halle" No. 3: II. Allegro
type: MusicRecording
duration: PT2M9S
duration ms: 129412
explicit: false
by artist: George Frideric Handel
by artist: Hans-Martin Linde
by artist: Karl Richter
by artist: Johannes Koch
in album: Handel: Flute Sonatas
  type: MusicAlbum
  date published: 2020-10-09
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEF056900152
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T19:01:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd2f142d21a6bff37628489fb58ccb6ce6d0d7154d9e0678088d3a39f84ccdc67
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/DEF056900152
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2f142d21a6bff37628489fb58ccb6ce6d0d7154d9e0678088d3a39f84ccdc67. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056900152 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Flute Sonata in B minor, HWV 376 "Halle" No. 3: II. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.777
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.557
  additional property: Energy
    type: PropertyValue
    value: 0.08
  additional property: Speechiness
    type: PropertyValue
    value: 0.112
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a78d2d68f9f5a72b0e5447df9e30e79d8f97f1502a93d83bba0816eca604ed2. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE470400454 — a six-check JSON result.
    date published: 2026-07-30T18:46:00Z
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Linde: Music for a Bird / Fünf Studien / Amarilli, mia bella / Anspielungen / Märchen / Fantasien und Scherzi / Trio
type: MusicAlbum
date published: 1990

Music for Two: Neue Musik für Blockflöte und Gitarre
type: MusicAlbum
date published: 1988

Telemann: 4 Concertos
type: MusicAlbum
date published: 1992

Brandenburg Concerto No. 2 in F, BWV 1047: 1. (Allegro)
type: MusicRecording
duration: PT4M46S
duration ms: 286986
explicit: false
by artist: Johann Sebastian Bach
by artist: Hansheinz Schneeberger
by artist: Hans-Martin Linde
by artist: Manfred Clement
by artist: Pierre Thibaud
by artist: Hedwig Bilgram
by artist: Münchener Bach-Orchester
by artist: Karl Richter
in album: Bach: 6 Brandenburg Concertos; 4 Ouvertures; Tripel Concerto BWV 1044
  type: MusicAlbum
  date published: 2002-01-01
popularity: 10
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056702652
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-20T08:02:01+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x222a5a0adca272ecb43b83899b43a4573e8e787c0ad5a2e94431651de2f1ec5a
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056702652
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x222a5a0adca272ecb43b83899b43a4573e8e787c0ad5a2e94431651de2f1ec5a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056702652 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 2 in F, BWV 1047: 1. (Allegro)
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Brandenburg Concerto No. 4 in G, BWV 1049: 1. Allegro
type: MusicRecording
duration: PT7M22S
duration ms: 442000
explicit: false
by artist: Johann Sebastian Bach
by artist: Hansheinz Schneeberger
by artist: Hans-Martin Linde
by artist: Günter Höller
by artist: Hedwig Bilgram
by artist: Münchener Bach-Orchester
by artist: Karl Richter
in album: Bach: 6 Brandenburg Concertos; 4 Ouvertures; Tripel Concerto BWV 1044
  type: MusicAlbum
  date published: 2002-01-01
popularity: 6
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056702671
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056702671
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d128c518ab03f98b08687c838c8f74a28b106c84ed1e9a1bc349029758761ca. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056702671 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 4 in G, BWV 1049: 1. Allegro
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Acousticness
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Water Music Suite No. 1 in F Major, HWV. 348: VI. Air
type: MusicRecording
duration: PT2M30S
duration ms: 150706
explicit: false
by artist: George Frideric Handel
by artist: Hans-Martin Linde
by artist: Linde Consort
in album: Dinner Music: Classical
  type: MusicAlbum
  date published: 2016-10-01
popularity: 6
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: GBAYC8300530
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:05:55+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x660ab7cc5a692649a07819b2efeafabd8a736fbeb1c0d15824b680ca339f460e
additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/GBAYC8300530
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x660ab7cc5a692649a07819b2efeafabd8a736fbeb1c0d15824b680ca339f460e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8300530 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Water Music Suite No. 1 in F Major, HWV. 348: VI. Air
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  additional property: Danceability
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Brandenburg Concerto No. 2 in F, BWV 1047: 2. Andante
type: MusicRecording
duration: PT3M45S
duration ms: 225000
explicit: false
by artist: Johann Sebastian Bach
by artist: Hansheinz Schneeberger
by artist: Hans-Martin Linde
by artist: Manfred Clement
by artist: Pierre Thibaud
by artist: Hedwig Bilgram
by artist: Münchener Bach-Orchester
by artist: Karl Richter
in album: Bach: 6 Brandenburg Concertos; 4 Ouvertures; Tripel Concerto BWV 1044
  type: MusicAlbum
  date published: 2002-01-01
popularity: 5
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056702653
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x13046e79394573ed40b8c53c6cf3cc668265b09e90ad1f66b4d28b3a5610a43d
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056702653
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13046e79394573ed40b8c53c6cf3cc668265b09e90ad1f66b4d28b3a5610a43d. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056702653 — a six-check JSON result.
  date published: 2026-07-30T06:39:12Z
audio: Brandenburg Concerto No. 2 in F, BWV 1047: 2. Andante
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  additional property: Danceability
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Brandenburg Concerto No. 2 in F, BWV 1047: 3. Allegro assai
type: MusicRecording
duration: PT2M41S
duration ms: 161000
explicit: false
by artist: Johann Sebastian Bach
by artist: Hansheinz Schneeberger
by artist: Hans-Martin Linde
by artist: Manfred Clement
by artist: Pierre Thibaud
by artist: Hedwig Bilgram
by artist: Münchener Bach-Orchester
by artist: Karl Richter
in album: Bach: 6 Brandenburg Concertos; 4 Ouvertures; Tripel Concerto BWV 1044
  type: MusicAlbum
  date published: 2002-01-01
popularity: 5
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056702651
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x049e5014eadca1959037700198db8600afdc9f1b5536696e61e0c608dae3b231. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056702651 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 2 in F, BWV 1047: 3. Allegro assai
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Brandenburg Concerto No. 4 in G, BWV 1049: 2. Andante
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duration: PT3M53S
duration ms: 233000
explicit: false
by artist: Johann Sebastian Bach
by artist: Hansheinz Schneeberger
by artist: Hans-Martin Linde
by artist: Günter Höller
by artist: Hedwig Bilgram
by artist: Münchener Bach-Orchester
by artist: Karl Richter
in album: Bach: 6 Brandenburg Concertos; 4 Ouvertures; Tripel Concerto BWV 1044
  type: MusicAlbum
  date published: 2002-01-01
popularity: 5
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056702672
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
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Brandenburg Concerto No. 4 in G, BWV 1049: 2. Andante
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by artist: Lucerne Festival Strings
by artist: Rudolf Baumgartner
by artist: Adolf Scherbaum
by artist: Hans-Martin Linde
by artist: Thea von Sparr
by artist: Helmut Winschermann
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  date published: 1989-01-01
popularity: 4
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Brandenburg Concerto No. 4 in G, BWV 1049: 3. Presto
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by artist: Hansheinz Schneeberger
by artist: Hans-Martin Linde
by artist: Günter Höller
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by artist: Münchener Bach-Orchester
by artist: Karl Richter
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popularity: 4
genre: classical
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genre: early-music
genre: baroque
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:53:07Z
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Brandenburg Concerto No. 2 in F, BWV 1047: 1. (Allegro)
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by artist: Lucerne Festival Strings
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by artist: Adolf Scherbaum
by artist: Hans-Martin Linde
by artist: Thea von Sparr
by artist: Helmut Winschermann
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popularity: 3
genre: classical
genre: classical-piano
genre: early-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T03:35:13Z
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Brandenburg Concerto No. 4 in G, BWV 1049: 3. Presto
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duration: PT5M13S
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by artist: Lucerne Festival Strings
by artist: Rudolf Baumgartner
by artist: Adolf Scherbaum
by artist: Hans-Martin Linde
by artist: Thea von Sparr
by artist: Helmut Winschermann
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genre: classical
genre: classical-piano
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:53:07Z
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Bach, JS: Musikalisches Opfer, BWV 1079: Sonata sopr' il soggetto Reale. IV. Allegro
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popularity: 3
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Musikalisches Opfer, BWV 1079: Sonata sopr' il soggetto Reale. IV. Allegro
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Music for the Royal Fireworks, HWV. 351: IV. La réjouissance
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Brandenburg Concerto No. 4 in G, BWV 1049: 1. Allegro
type: MusicRecording
duration: PT7M23S
duration ms: 443449
explicit: false
by artist: Johann Sebastian Bach
by artist: Hansheinz Schneeberger
by artist: Hans-Martin Linde
by artist: Günter Höller
by artist: Hedwig Bilgram
by artist: Münchener Bach-Orchester
by artist: Karl Richter
in album: Bach 50, The Very Best Of Classical Music
  type: MusicAlbum
  date published: 2012-01-01
popularity: 3
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056702671
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056702671
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d128c518ab03f98b08687c838c8f74a28b106c84ed1e9a1bc349029758761ca. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056702671 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 4 in G, BWV 1049: 1. Allegro
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  additional property: Tempo (BPM)
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    value: 110.751
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  additional property: Valence (Positivity)
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Brandenburg Concerto No. 2 in F, BWV 1047: 1. (Allegro)
type: MusicRecording
duration: PT4M46S
duration ms: 286768
explicit: false
by artist: Johann Sebastian Bach
by artist: Hansheinz Schneeberger
by artist: Hans-Martin Linde
by artist: Manfred Clement
by artist: Pierre Thibaud
by artist: Hedwig Bilgram
by artist: Münchener Bach-Orchester
by artist: Karl Richter
in album: Bach 50, The Very Best Of Classical Music
  type: MusicAlbum
  date published: 2012-01-01
popularity: 3
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056702652
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T08:02:01+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x222a5a0adca272ecb43b83899b43a4573e8e787c0ad5a2e94431651de2f1ec5a
additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/DEF056702652
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x222a5a0adca272ecb43b83899b43a4573e8e787c0ad5a2e94431651de2f1ec5a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056702652 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 2 in F, BWV 1047: 1. (Allegro)
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  additional property: Tempo (BPM)
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    value: 5
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    value: 5
  additional property: Danceability
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  additional property: Valence (Positivity)
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    value: 0.909
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.885
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Brandenburg Concerto No. 2 in F, BWV 1047: 2. Andante
type: MusicRecording
duration: PT3M51S
duration ms: 231000
explicit: false
by artist: Johann Sebastian Bach
by artist: Lucerne Festival Strings
by artist: Rudolf Baumgartner
by artist: Adolf Scherbaum
by artist: Hans-Martin Linde
by artist: Thea von Sparr
by artist: Helmut Winschermann
in album: Bach, J.S.: Brandenburg Concertos Nos.2, 3 & 4; Orchestral Suite No.3, BWV 1068
  type: MusicAlbum
  date published: 1989-01-01
popularity: 2
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056000542
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T05:08:26+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960348
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960348
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056000542
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T05:17:02Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e5d736c9838763409179e0419931a947d7f81e4e96971dad29ef5220baa4ec8. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056000542 — a six-check JSON result.
  date published: 2026-07-31T05:17:02Z
audio: Brandenburg Concerto No. 2 in F, BWV 1047: 2. Andante
  type: AudioObject
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  additional property: Musical Key
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    value: 2
  additional property: Mode (Major/Minor)
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    value: 0
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    type: PropertyValue
    value: 5
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    type: PropertyValue
    value: 0.17
  additional property: Energy
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    value: 0.076
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.055
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.214
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.878
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Brandenburg Concerto No. 2 in F, BWV 1047: 3. Allegro assai
type: MusicRecording
duration: PT2M54S
duration ms: 174000
explicit: false
by artist: Johann Sebastian Bach
by artist: Lucerne Festival Strings
by artist: Rudolf Baumgartner
by artist: Adolf Scherbaum
by artist: Hans-Martin Linde
by artist: Thea von Sparr
by artist: Helmut Winschermann
in album: Bach, J.S.: Brandenburg Concertos Nos.2, 3 & 4; Orchestral Suite No.3, BWV 1068
  type: MusicAlbum
  date published: 1989-01-01
popularity: 2
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056000543
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T21:32:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x34715144a3dbf12080d0221f74c002d2a64b2850ab3363e7f840387b58f8f63e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960473
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960473
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056000543
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T22:27:44Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34715144a3dbf12080d0221f74c002d2a64b2850ab3363e7f840387b58f8f63e. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056000543 — a six-check JSON result.
  date published: 2026-07-31T22:27:44Z
audio: Brandenburg Concerto No. 2 in F, BWV 1047: 3. Allegro assai
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 117.859
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
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    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.627
  additional property: Energy
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  additional property: Valence (Positivity)
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    value: 0.948
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    value: -18.706
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Brandenburg Concerto No. 4 in G, BWV 1049: 1. Allegro
type: MusicRecording
duration: PT7M36S
duration ms: 456000
explicit: false
by artist: Johann Sebastian Bach
by artist: Lucerne Festival Strings
by artist: Rudolf Baumgartner
by artist: Adolf Scherbaum
by artist: Hans-Martin Linde
by artist: Thea von Sparr
by artist: Helmut Winschermann
in album: Bach, J.S.: Brandenburg Concertos Nos.2, 3 & 4; Orchestral Suite No.3, BWV 1068
  type: MusicAlbum
  date published: 1989-01-01
popularity: 1
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056000561
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T10:24:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x069b59a53b8b4d0253c6e91e154465ee0c22204f151a7fcda0c4df8130ecdef0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960247
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960247
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056000561
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T10:42:33Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x069b59a53b8b4d0253c6e91e154465ee0c22204f151a7fcda0c4df8130ecdef0. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056000561 — a six-check JSON result.
  date published: 2026-07-30T10:42:33Z
audio: Brandenburg Concerto No. 4 in G, BWV 1049: 1. Allegro
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  additional property: Tempo (BPM)
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    value: 108.055
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
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    value: 1
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    type: PropertyValue
    value: 5
  additional property: Danceability
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