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description: thumb| Burkhard Glaetzner (born 29 May 1943) is a German oboe virtuoso und conductor. He is one of the leading oboe players in Germany. Life Glaetzner was born in Poznań. His grandfather was the G
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Divertimento In D Major Kv 251: Molto Allegro
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Divertimento In D Major Kv 251: Menuetto
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Divertimento In D Major Kv 251: Rondeau, Allegro Assai
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Oboe Concerto in D Minor, Op. 8, No. 9, RV 454: I. Allegro moderato
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Oboe Concerto in D Minor, Op. 8, No. 9, RV 454: II. Largo
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Harpsichord Concerto No. 2 in E Major, BWV 1053: II. Siciliano
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Concerto for Harpsichord No. 6 in F Major, BWV 1057: III. Allegro assai
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Harpsichord Concerto No. 4 in A Major, BWV 1055: II. Larghetto
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Harpsichord Concerto No. 5 in F Minor, BWV 1056: II. Largo
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Harpsichord Concerto No. 3 in D Major, BWV 1054: II. Adagio e piano sempre
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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
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Harpsichord Concerto No. 3 in D Major, BWV 1054: II. Adagio e piano sempre
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Overture in D Minor for Three Flutes, Three Oboes, Bassoon, Strings and Basso Continuo: 4. Air II
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duration: PT6M52S
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by artist: Johann Friedrich Fasch
by artist: Virtuosi Saxoniae
by artist: Ludwig Güttler
in album: Fasch: Overtures and Concerto in D Major & Sonatas for Oboes and Bassoon
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  date published: 2013-04-10
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
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Overture in D Minor for Three Flutes, Three Oboes, Bassoon, Strings and Basso Continuo: 5. Jardiniers
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duration: PT2M14S
duration ms: 134866
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by artist: Johann Friedrich Fasch
by artist: Virtuosi Saxoniae
by artist: Ludwig Güttler
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Overture in D Minor for Three Flutes, Three Oboes, Bassoon, Strings and Basso Continuo: 5. Jardiniers
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Concerto in D Major for Two Corni Da Caccia, Two Oboes, Bassoon, Strings and Basso Continuo: 1. Allegro
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by artist: Johann Friedrich Fasch
by artist: Virtuosi Saxoniae
by artist: Ludwig Güttler
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by artist: Wolfgang Klier
by artist: Hans-Peter Steger
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Concerto in D Major for Two Corni Da Caccia, Two Oboes, Bassoon, Strings and Basso Continuo: 1. Allegro
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Sonata in F Major for Two Oboes, Bassoon and Basso Continuo: 1. Largo
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duration: PT2M14S
duration ms: 134093
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by artist: Johann Friedrich Fasch
by artist: Burkhard Glaetzner
by artist: Ingo Goritzki
by artist: Thomas Reinhardt
in album: Fasch: Overtures and Concerto in D Major & Sonatas for Oboes and Bassoon
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Sonata in F Major for Two Oboes, Bassoon and Basso Continuo: 1. Largo
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Baroque Oboe Sonatas
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date published: 2023-05-19

Peaceful Oboe: The Baroque Collection
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date published: 2023-06-28
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Concerto-Pasticcio in C Major: III. Largo
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  by artist: Klaipėda Chamber Orchestra
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Sonata in G Minor for Two Oboes, Bassoon and Basso Continuo: III. Largo
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Concerto for Oboe d'amore in A Major, TWV 51:2: III. Largo
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by artist: St. Christopher Chamber Orchestra
by artist: Donatas Katkus
by artist: Andrius Puskunigis
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Concerto for Oboe d'amore in A Major, TWV 51:2: III. Largo
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Sonata da camera in B-Flat Major: I. Adagio
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by artist: Berlin Friday Academy
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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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Oboe Concerto in E-Flat Major, TWV 51:S1: II. Largo
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by artist: Donatas Katkus
by artist: Andrius Puskunigis
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Oboe Concerto in E-Flat Major, TWV 51:S1: II. Largo
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Favourite Oboe Concertos
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Oboe Galante
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Mozart: Complete Divertimenti & Serenades
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T06:56:49Z
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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  subject of: OpenTimestamps Proof of Existence
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track: Divertimento in D Major, K. 334: VI. Rondo. Allegro
track: Notturno in D Major, K. 286: I. Andante
track: Notturno in D Major, K. 286: III. Menuetto
track: Ein Musikalischer Spaß in F Major, K. 522 "Dorfmusikantenssextett": IV. Presto
track: Serenade in G Major, K. 525 "Eine, kleine Nachtmusik": II. Romance. Andante
track: Serenade in G Major, K. 525 "Eine, kleine Nachtmusik": III. Menuetto
track: Cassation in G Major, K. 63: I. Marche
track: Cassation in G Major, K. 63: III. Andante
track: Cassation in G Major, K. 63: IV. Menuett
track: Cassation in G Major, K. 63: V. Adagio
track: Cassation in G Major, K. 63: VI. Menuett
track: Cassation in G Major, K. 63: VII. Finale. Allegro Assai
track: Cassation in B-Flat Major, K. 99: I. Marcia
track: Cassation in B-Flat Major, K. 99: III. Andante
track: Cassation in B-Flat Major, K. 99: IV. Menuett
track: Cassation in B-Flat Major, K. 99: VI. Menuett
track: Cassation in B-Flat Major, K. 99: VII. Allegro
track: Divertimento in D Major, K. 251: V. Rondeau. Allegro Assai
track: Divertimento in D Major, K. 205: I. Largo
track: Divertimento in D Major, K. 205: II. Menuetto
track: Divertimento in D Major, K. 205: IV. Adagio

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
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date published: 2026-07-08T03:22:41Z

Divertimento in F Major, K. 138: III. Presto
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Divertimento in D Major, K. 334: VI. Rondo. Allegro
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by artist: Kurpfälzisches Kammerorchester Mannheim
by artist: Florian Heyerick
in album: Mozart: Complete Divertimenti & Serenades
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popularity: 5
genre: classical
genre: classical-era
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2873a297fea97ecaaa281977d88a4e47f3dd621d37706d2c83e62680b8e7419. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331410443.
  date published: 2026-07-08T03:53:27Z
audio: Divertimento in D Major, K. 334: VI. Rondo. Allegro
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Notturno in D Major, K. 286: I. Andante
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duration: PT5M18S
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by artist: Wolfgang Amadeus Mozart
by artist: Kurpfälzisches Kammerorchester Mannheim
by artist: Florian Heyerick
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genre: classical
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2972115f03771a988178819c4f1bb87a0a6a2101db74d748b3b25a575388074. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331410444.
  date published: 2026-07-08T03:20:19Z
audio: Notturno in D Major, K. 286: I. Andante
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Notturno in D Major, K. 286: III. Menuetto
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by artist: Kurpfälzisches Kammerorchester Mannheim
by artist: Florian Heyerick
in album: Mozart: Complete Divertimenti & Serenades
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popularity: 5
genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Notturno in D Major, K. 286: III. Menuetto
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Ein Musikalischer Spaß in F Major, K. 522 "Dorfmusikantenssextett": IV. Presto
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by artist: Florian Heyerick
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popularity: 4
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Ein Musikalischer Spaß in F Major, K. 522 "Dorfmusikantenssextett": IV. Presto
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Serenade in G Major, K. 525 "Eine, kleine Nachtmusik": II. Romance. Andante
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popularity: 4
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Serenade in G Major, K. 525 "Eine, kleine Nachtmusik": II. Romance. Andante
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Serenade in G Major, K. 525 "Eine, kleine Nachtmusik": III. Menuetto
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popularity: 4
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Serenade in G Major, K. 525 "Eine, kleine Nachtmusik": III. Menuetto
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Cassation in G Major, K. 63: I. Marche
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb16f3316bb2926163ad55a4dc232fc1b1104a49f43f9041916c547e7b2d14bac. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331410455.
  date published: 2026-07-08T03:22:41Z
audio: Cassation in G Major, K. 63: I. Marche
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 147.106
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.356
  additional property: Energy
    type: PropertyValue
    value: 0.142
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.894
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.741
  additional property: Liveness
    type: PropertyValue
    value: 0.451
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.287
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.249
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cassation in G Major, K. 63: III. Andante
type: MusicRecording
duration: PT3M33S
duration ms: 213573
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Kurpfälzisches Kammerorchester Mannheim
by artist: Florian Heyerick
in album: Mozart: Complete Divertimenti & Serenades
  type: MusicAlbum
  date published: 2024-06-12
popularity: 4
genre: classical
genre: classical-era
isrc code: NLY331410457
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:26:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9a09a222798578f389ec9cd8b051ffab8dfa506c43adab9b11ee70463722d641
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/NLY331410457
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a09a222798578f389ec9cd8b051ffab8dfa506c43adab9b11ee70463722d641. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331410457.
  date published: 2026-07-08T03:22:41Z
audio: Cassation in G Major, K. 63: III. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 153.595
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.344
  additional property: Energy
    type: PropertyValue
    value: 0.022
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.826
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.132
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.263
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.239
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cassation in G Major, K. 63: IV. Menuett
type: MusicRecording
duration: PT3M2S
duration ms: 182906
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Kurpfälzisches Kammerorchester Mannheim
by artist: Florian Heyerick
in album: Mozart: Complete Divertimenti & Serenades
  type: MusicAlbum
  date published: 2024-06-12
popularity: 4
genre: classical
genre: classical-era
isrc code: NLY331410458
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:45:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2f7687eb3fe9c69ec5774885c1f1c18adc952a949e0cd3b28cd38fa48e71e4ce
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331410458
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f7687eb3fe9c69ec5774885c1f1c18adc952a949e0cd3b28cd38fa48e71e4ce. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331410458.
  date published: 2026-07-08T08:56:20Z
audio: Cassation in G Major, K. 63: IV. Menuett
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 152.069
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.382
  additional property: Energy
    type: PropertyValue
    value: 0.06
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.929
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.463
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.721
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cassation in G Major, K. 63: V. Adagio
type: MusicRecording
duration: PT5M9S
duration ms: 309506
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Kurpfälzisches Kammerorchester Mannheim
by artist: Florian Heyerick
in album: Mozart: Complete Divertimenti & Serenades
  type: MusicAlbum
  date published: 2024-06-12
popularity: 4
genre: classical
genre: classical-era
isrc code: NLY331410459
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:20:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdf96c634d698edd799dc90147ff1d2324a98ce1c2bf5df68472099d7aa61c8bc
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/NLY331410459
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf96c634d698edd799dc90147ff1d2324a98ce1c2bf5df68472099d7aa61c8bc. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331410459.
  date published: 2026-07-08T03:53:27Z
audio: Cassation in G Major, K. 63: V. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.072
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.287
  additional property: Energy
    type: PropertyValue
    value: 0.036
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.837
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.113
  additional property: Liveness
    type: PropertyValue
    value: 0.187
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.176
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.881
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cassation in G Major, K. 63: VI. Menuett
type: MusicRecording
duration: PT2M51S
duration ms: 171706
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Kurpfälzisches Kammerorchester Mannheim
by artist: Florian Heyerick
in album: Mozart: Complete Divertimenti & Serenades
  type: MusicAlbum
  date published: 2024-06-12
popularity: 3
genre: classical
genre: classical-era
isrc code: NLY331410460
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:08:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x592967ddca77667ee5696c8b704884754f09d8de1f9480c718f1d4a9d7f91164
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/NLY331410460
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x592967ddca77667ee5696c8b704884754f09d8de1f9480c718f1d4a9d7f91164. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331410460.
  date published: 2026-07-08T03:22:41Z
audio: Cassation in G Major, K. 63: VI. Menuett
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 151.256
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.501
  additional property: Energy
    type: PropertyValue
    value: 0.149
  additional property: Speechiness
    type: PropertyValue
    value: 0.07
  additional property: Acousticness
    type: PropertyValue
    value: 0.935
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.944
  additional property: Liveness
    type: PropertyValue
    value: 0.077
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.609
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.242
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cassation in G Major, K. 63: VII. Finale. Allegro Assai
type: MusicRecording
duration: PT1M48S
duration ms: 108106
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Kurpfälzisches Kammerorchester Mannheim
by artist: Florian Heyerick
in album: Mozart: Complete Divertimenti & Serenades
  type: MusicAlbum
  date published: 2024-06-12
popularity: 4
genre: classical
genre: classical-era
isrc code: NLY331410461
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:43:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd5be686f11e1f8f50224addc5a0bd0db258ce57fc5b3d3622497587e88e8baf5
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/NLY331410461
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5be686f11e1f8f50224addc5a0bd0db258ce57fc5b3d3622497587e88e8baf5. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331410461.
  date published: 2026-07-08T03:20:19Z
audio: Cassation in G Major, K. 63: VII. Finale. Allegro Assai
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.876
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.67
  additional property: Energy
    type: PropertyValue
    value: 0.205
  additional property: Speechiness
    type: PropertyValue
    value: 0.064
  additional property: Acousticness
    type: PropertyValue
    value: 0.938
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.827
  additional property: Liveness
    type: PropertyValue
    value: 0.063
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.666
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.095
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cassation in B-Flat Major, K. 99: I. Marcia
type: MusicRecording
duration: PT2M37S
duration ms: 157520
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Kurpfälzisches Kammerorchester Mannheim
by artist: Florian Heyerick
in album: Mozart: Complete Divertimenti & Serenades
  type: MusicAlbum
  date published: 2024-06-12
popularity: 3
genre: classical
genre: classical-era
isrc code: NLY331410462
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:06:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc9a392bfec51b964682496ea65f265c3b204938ad1c1b52f8a8afec55c238d7e
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/NLY331410462
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9a392bfec51b964682496ea65f265c3b204938ad1c1b52f8a8afec55c238d7e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331410462.
  date published: 2026-07-08T03:53:27Z
audio: Cassation in B-Flat Major, K. 99: I. Marcia
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.546
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.488
  additional property: Energy
    type: PropertyValue
    value: 0.076
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.893
  additional property: Liveness
    type: PropertyValue
    value: 0.151
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.377
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.469
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cassation in B-Flat Major, K. 99: III. Andante
type: MusicRecording
duration: PT3M21S
duration ms: 201293
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Kurpfälzisches Kammerorchester Mannheim
by artist: Florian Heyerick
in album: Mozart: Complete Divertimenti & Serenades
  type: MusicAlbum
  date published: 2024-06-12
popularity: 3
genre: classical
genre: classical-era
isrc code: NLY331410464
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:17:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb65e1fa52fb426e2050eb92af8f5e9ff1747e7f43b6e0db7ac4f9bbddc59eba6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331410464
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb65e1fa52fb426e2050eb92af8f5e9ff1747e7f43b6e0db7ac4f9bbddc59eba6. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331410464.
  date published: 2026-07-08T08:56:20Z
audio: Cassation in B-Flat Major, K. 99: III. Andante
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.364
  additional property: Energy
    type: PropertyValue
    value: 0.019
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.944
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.279
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.306
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cassation in B-Flat Major, K. 99: IV. Menuett
type: MusicRecording
duration: PT2M6S
duration ms: 126266
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Kurpfälzisches Kammerorchester Mannheim
by artist: Florian Heyerick
in album: Mozart: Complete Divertimenti & Serenades
  type: MusicAlbum
  date published: 2024-06-12
popularity: 3
genre: classical
genre: classical-era
isrc code: NLY331410465
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:50:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x815dd889cfa393a738e5d868733c1e52aed8fe7308069d7be98e68095b5fe9a9
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/NLY331410465
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x815dd889cfa393a738e5d868733c1e52aed8fe7308069d7be98e68095b5fe9a9. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331410465.
  date published: 2026-07-08T03:53:27Z
audio: Cassation in B-Flat Major, K. 99: IV. Menuett
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.23
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.687
  additional property: Energy
    type: PropertyValue
    value: 0.072
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.928
  additional property: Liveness
    type: PropertyValue
    value: 0.198
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.552
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.457
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cassation in B-Flat Major, K. 99: VI. Menuett
type: MusicRecording
duration: PT1M56S
duration ms: 116840
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Kurpfälzisches Kammerorchester Mannheim
by artist: Florian Heyerick
in album: Mozart: Complete Divertimenti & Serenades
  type: MusicAlbum
  date published: 2024-06-12
popularity: 3
genre: classical
genre: classical-era
isrc code: NLY331410467
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:03:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd1c3ea3dd94bd34ea0d463b5abc170c22bdd6b644a682cd61c7fcc9b3437439f
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/NLY331410467
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1c3ea3dd94bd34ea0d463b5abc170c22bdd6b644a682cd61c7fcc9b3437439f. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331410467.
  date published: 2026-07-08T03:22:41Z
audio: Cassation in B-Flat Major, K. 99: VI. Menuett
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.524
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.553
  additional property: Energy
    type: PropertyValue
    value: 0.124
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.951
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.952
  additional property: Liveness
    type: PropertyValue
    value: 0.133
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.509
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.855
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cassation in B-Flat Major, K. 99: VII. Allegro
type: MusicRecording
duration: PT5M51S
duration ms: 351466
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: New Bach Collegium Musicum Leipzig
by artist: Burkhard Glaetzner
in album: Mozart: Complete Divertimenti & Serenades
  type: MusicAlbum
  date published: 2024-06-12
popularity: 4
genre: classical
genre: classical-era
isrc code: NLY331410468
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:19:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2132936cd24f7a323b0891d40be7153013bca73aefd7a976dc01fa4a2e854617
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/NLY331410468
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2132936cd24f7a323b0891d40be7153013bca73aefd7a976dc01fa4a2e854617. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331410468.
  date published: 2026-07-08T03:53:27Z
audio: Cassation in B-Flat Major, K. 99: VII. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.681
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.395
  additional property: Energy
    type: PropertyValue
    value: 0.126
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.953
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.92
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.317
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.139
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Divertimento in D Major, K. 251: V. Rondeau. Allegro Assai
type: MusicRecording
duration: PT5M32S
duration ms: 332306
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: New Bach Collegium Musicum Leipzig
by artist: Burkhard Glaetzner
in album: Mozart: Complete Divertimenti & Serenades
  type: MusicAlbum
  date published: 2024-06-12
popularity: 3
genre: classical
genre: classical-era
isrc code: NLY331410473
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:58:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x44b129a3fe8fa5dfe260f2595d915274965cfca30f4c31508b1acb896c2532e9
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/NLY331410473
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44b129a3fe8fa5dfe260f2595d915274965cfca30f4c31508b1acb896c2532e9. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331410473.
  date published: 2026-07-08T03:53:27Z
audio: Divertimento in D Major, K. 251: V. Rondeau. Allegro Assai
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.75
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.438
  additional property: Energy
    type: PropertyValue
    value: 0.156
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.947
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.469
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.354
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Divertimento in D Major, K. 205: I. Largo
type: MusicRecording
duration: PT4M48S
duration ms: 288226
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Kurpfälzisches Kammerorchester Mannheim
by artist: Jirí Malát
in album: Mozart: Complete Divertimenti & Serenades
  type: MusicAlbum
  date published: 2024-06-12
popularity: 3
genre: classical
genre: classical-era
isrc code: NLY331410475
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:56:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfbc6b51db341cdbb65a223aa5e75fb2f5823c89c14ad643c0c5dfa0518400dc7
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/NLY331410475
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbc6b51db341cdbb65a223aa5e75fb2f5823c89c14ad643c0c5dfa0518400dc7. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331410475.
  date published: 2026-07-08T03:20:19Z
audio: Divertimento in D Major, K. 205: I. Largo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.914
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.474
  additional property: Energy
    type: PropertyValue
    value: 0.166
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.957
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.899
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.268
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.504
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Divertimento in D Major, K. 205: II. Menuetto
type: MusicRecording
duration: PT2M40S
duration ms: 160853
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Kurpfälzisches Kammerorchester Mannheim
by artist: Jirí Malát
in album: Mozart: Complete Divertimenti & Serenades
  type: MusicAlbum
  date published: 2024-06-12
popularity: 3
genre: classical
genre: classical-era
isrc code: NLY331410476
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:00:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8a81b335f6d52a76833574210e238ce8710320e957e30fd5379ffc2a834f4599
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/NLY331410476
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a81b335f6d52a76833574210e238ce8710320e957e30fd5379ffc2a834f4599. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331410476.
  date published: 2026-07-08T03:22:41Z
audio: Divertimento in D Major, K. 205: II. Menuetto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.588
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.416
  additional property: Energy
    type: PropertyValue
    value: 0.045
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.879
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.323
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.611
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Divertimento in D Major, K. 205: IV. Adagio
type: MusicRecording
duration: PT3M43S
duration ms: 223960
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Kurpfälzisches Kammerorchester Mannheim
by artist: Jirí Malát
in album: Mozart: Complete Divertimenti & Serenades
  type: MusicAlbum
  date published: 2024-06-12
popularity: 3
genre: classical
genre: classical-era
isrc code: NLY331410478
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:00:52+00:00
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Johann Christoph Friedrich Bach: 3 Symphonies
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  subject of: OpenTimestamps Proof of Existence
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Vivaldi: Oboe Concertos, Vol. 3
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Vivaldi: Oboe Concertos
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Vivaldi, A.: Oboe Sonatas
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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Mozart Edition Volume 22
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    date published: 2026-07-08T03:53:27Z
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track: Divertimento In D Major Kv 251: Menuetto
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

Divertimento In D Major Kv 251: Andantino
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Skalkottas, N.: Oboe Concertino, Ak 28 / Wolpe, S.: Oboe Sonata / Krenek, E.: 4 Pieces, Op. 193
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Francois Devienne: Chamber Music - Opp. 70, 71 (Glaetzner, Pank, Schornsheim)
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Fasch: Trio- und Quadrosonaten
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Vivaldi, A.: Oboe Concertos, Vol. 2 - Rv 448, 451, 455, 460, 461
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Mozart, W.A. / Ferlendis, G. / Rosetti, A.: Oboe Concertos
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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Orchestral Suite No. 2 in B Minor, BWV 1067: IV. Bourrée No. 1 - Bourrée No. 2
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duration: PT1M51S
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by artist: Johann Sebastian Bach
by artist: Virtuosi Saxoniae
by artist: Ludwig Güttler
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popularity: 30
genre: classical
genre: classical-piano
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Orchestral Suite No. 2 in B Minor, BWV 1067: IV. Bourrée No. 1 - Bourrée No. 2
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Violin Concerto in E Major, BWV 1042: I. Allegro
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duration: PT7M10S
duration ms: 430693
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by artist: Thomas Zehetmair
by artist: Amsterdam Bach Soloists
by artist: Henk Rubingh
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popularity: 31
genre: classical
genre: classical-piano
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Violin Concerto in E Major, BWV 1042: I. Allegro
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Orchestral Suite No. 3 in D Major, BWV 1068: I. Ouverture
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by artist: Virtuosi Saxoniae
by artist: Ludwig Güttler
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  date published: 2014-05-17
popularity: 29
genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Orchestral Suite No. 3 in D Major, BWV 1068: I. Ouverture
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Violin Concerto in D Minor, BWV 1052: I. — (Reconstructed from the Harpsichord Concerto, BWV 1052)
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duration: PT7M26S
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by artist: Thomas Zehetmair
by artist: Amsterdam Bach Soloists
by artist: Henk Rubingh
in album: Top 50 Bach
  type: MusicAlbum
  date published: 2014-05-17
popularity: 29
genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Violin Concerto in D Minor, BWV 1052: I. — (Reconstructed from the Harpsichord Concerto, BWV 1052)
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Brandenburg Concerto No. 2 in F Major, BWV 1047: I. —
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by artist: Musica Amphion
by artist: Pieter-Jan Belder
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popularity: 28
genre: classical
genre: classical-piano
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additional property: CopyrightID
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Brandenburg Concerto No. 2 in F Major, BWV 1047: I. —
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Partita No. 2 in C Minor, BWV 826: I. Sinfonia
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by artist: Pieter-Jan Belder
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  date published: 2014-05-17
popularity: 28
genre: classical
genre: classical-piano
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additional property: CopyrightID
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Partita No. 2 in C Minor, BWV 826: I. Sinfonia
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Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante
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by artist: Musica Amphion
by artist: Pieter-Jan Belder
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  date published: 2014-05-17
popularity: 27
genre: classical
genre: classical-piano
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante
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Violin Partita No. 3 in E Major, BWV 1006: I. Preludio
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by artist: Kristóf Baráti
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Violin Partita No. 3 in E Major, BWV 1006: I. Preludio
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
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by artist: Musica Amphion
by artist: Pieter-Jan Belder
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
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Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
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by artist: Virtuosi Saxoniae
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
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Flute Sonata in E Major, BWV 1035: III. Siciliana
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popularity: 27
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:53:06Z
audio: Flute Sonata in E Major, BWV 1035: III. Siciliana
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Matthäus-Passion, BWV 244, Pt. 1: I. Chorus. Kommt, ihr Töchter, helft mir klagen
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popularity: 27
genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:53:06Z
audio: Matthäus-Passion, BWV 244, Pt. 1: I. Chorus. Kommt, ihr Töchter, helft mir klagen
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Mass in B Minor, BWV 232, Pt. 2: III. Duet. Et in unum dominum (Soprano, Alto)
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popularity: 26
genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Mass in B Minor, BWV 232, Pt. 2: III. Duet. Et in unum dominum (Soprano, Alto)
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Das wohltemperierte Klavier I, Prelude and Fugue No. 1 in C Major, BWV 845: I. Prelude
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by artist: Pieter-Jan Belder
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popularity: 26
genre: classical
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba502575f331a55320e47d05a4f9cf16a566adae5e73e8a37af754630b8d64dd. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331407151.
  date published: 2026-06-13T15:41:10Z
audio: Das wohltemperierte Klavier I, Prelude and Fugue No. 1 in C Major, BWV 845: I. Prelude
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Goldberg Variations in G Major, BWV 988: I. Aria
type: MusicRecording
duration: PT5M2S
duration ms: 302520
explicit: false
by artist: Johann Sebastian Bach
by artist: Pieter-Jan Belder
in album: Top 50 Bach
  type: MusicAlbum
  date published: 2014-05-17
popularity: 25
genre: classical
genre: classical-piano
isrc code: NLY331407329
additional property: CopyrightID
additional property: CopyrightStatus
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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/NLY331407329
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c949431882c0931b81f54b66ff855fd72e270dd88d7527eca5f2d9fe0277dc5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331407329.
  date published: 2026-06-13T15:41:10Z
audio: Goldberg Variations in G Major, BWV 988: I. Aria
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Jesu, nun sei gepreiset, BWV 41: I. Coro. Jesu, nun sei gepreiset
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duration: PT7M42S
duration ms: 462813
explicit: false
by artist: Johann Sebastian Bach
by artist: Netherlands Bach Collegium
by artist: Pieter Jan Leusink
by artist: Holland Boys Choir
in album: Top 50 Bach
  type: MusicAlbum
  date published: 2014-05-17
popularity: 25
genre: classical
genre: classical-piano
isrc code: NLY331407909
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
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331407909
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55a3d7c9a90fe82036b570505acc0ca8261764ff641df938efecd1e35b80ec64. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331407909.
  date published: 2026-06-13T15:41:10Z
audio: Jesu, nun sei gepreiset, BWV 41: I. Coro. Jesu, nun sei gepreiset
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Ein' feste Burg ist unser Gott, BWV 80: I. Coro. Ein' Feste Burg ist unser Gott
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duration: PT5M16S
duration ms: 316426
explicit: false
by artist: Johann Sebastian Bach
by artist: Netherlands Bach Collegium
by artist: Pieter Jan Leusink
by artist: Holland Boys Choir
in album: Top 50 Bach
  type: MusicAlbum
  date published: 2014-05-17
popularity: 24
genre: classical
genre: classical-piano
isrc code: NLY331408158
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
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28e0f728361b59986344aaed96904de8b0228eb458bfaa6cfd7aaeb42887f7d6. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331408158.
  date published: 2026-06-13T17:25:41Z
audio: Ein' feste Burg ist unser Gott, BWV 80: I. Coro. Ein' Feste Burg ist unser Gott
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  additional property: Musical Key
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  additional property: Danceability
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  additional property: Energy
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  additional property: Valence (Positivity)
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Matthäus-Passion, BWV 244, Pt. 2: XXXIX. Chorus. Wir setzen uns mit Tränen nieder
type: MusicRecording
duration: PT6M53S
duration ms: 413866
explicit: false
by artist: Johann Sebastian Bach
by artist: Gewandhausorchester
by artist: Rudolf Mauersberger
by artist: Erhard Mauersberger
by artist: Dresdner Kreuzchor
by artist: Thomanerchor Leipzig
in album: Top 50 Bach
  type: MusicAlbum
  date published: 2014-05-17
popularity: 25
genre: classical
genre: classical-piano
isrc code: NLY331409228
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x599e49d7c04f8d3ca25780e58c17715a9b859dc3de1aabfa212cf07e572324fd. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331409228.
  date published: 2026-06-13T15:41:10Z
audio: Matthäus-Passion, BWV 244, Pt. 2: XXXIX. Chorus. Wir setzen uns mit Tränen nieder
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Herz und Mund und Tat und Leben, BWV 147, Pt. 1: I. Coro. Herz und Mund und Tat und Leben (Coro)
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duration: PT4M29S
duration ms: 269586
explicit: false
by artist: Johann Sebastian Bach
by artist: Netherlands Bach Collegium
by artist: Pieter Jan Leusink
by artist: Holland Boys Choir
in album: Top 50 Bach
  type: MusicAlbum
  date published: 2014-05-17
popularity: 24
genre: classical
genre: classical-piano
isrc code: NLY331408561
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: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84ff5dcb14a151a9b97be488fb4adbd300812ba04c006a24936b074ee114a305. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331408561.
  date published: 2026-06-13T17:25:41Z
audio: Herz und Mund und Tat und Leben, BWV 147, Pt. 1: I. Coro. Herz und Mund und Tat und Leben (Coro)
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  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Mass in B Minor, BWV 232, Pt. 1: II. Duet. Christe eleison (Two Sopranos)
type: MusicRecording
duration: PT5M21S
duration ms: 321360
explicit: false
by artist: Johann Sebastian Bach
by artist: Hillevi Martinpelto
by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
by artist: Bernarda Fink
in album: Top 50 Bach
  type: MusicAlbum
  date published: 2014-05-17
popularity: 24
genre: classical
genre: classical-piano
isrc code: NLY331408874
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: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9c11087896d98363c54e16862775b2598cb7d7e77941d5c4da194843d65652c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331408874.
  date published: 2026-06-13T13:32:09Z
audio: Mass in B Minor, BWV 232, Pt. 1: II. Duet. Christe eleison (Two Sopranos)
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Johannes-Passion, BWV 245, Pt. 1: I. Chorus. Herr, unser Herrscher
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by artist: Johann Sebastian Bach
by artist: Virtuosi Saxoniae
by artist: Ludwig Güttler
by artist: Hallenser Madrigalisten
in album: Top 50 Bach
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popularity: 24
genre: classical
genre: classical-piano
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Johannes-Passion, BWV 245, Pt. 1: I. Chorus. Herr, unser Herrscher
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Toccata and Fugue in D Minor, BWV 565: I. Toccata
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by artist: Johann Sebastian Bach
by artist: Stefano Molardi
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popularity: 27
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: 2026-06-13T15:41:10Z
audio: Toccata and Fugue in D Minor, BWV 565: I. Toccata
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Toccata and Fugue in D Minor, BWV 565: II. Fugue
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by artist: Stefano Molardi
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popularity: 27
genre: classical
genre: classical-piano
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Toccata and Fugue in D Minor, BWV 565: II. Fugue
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Passacaglia in C Minor, BWV 582
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by artist: Stefano Molardi
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popularity: 24
genre: classical
genre: classical-piano
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Passacaglia in C Minor, BWV 582
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Orchestral Suite No. 4 in D Major, BWV 1069: I. Ouverture
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by artist: Virtuosi Saxoniae
by artist: Ludwig Güttler
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popularity: 22
genre: classical
genre: classical-piano
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Orchestral Suite No. 4 in D Major, BWV 1069: I. Ouverture
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Violin Partita No. 2 in D Minor, BWV 1004: V. Ciaccona
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by artist: Kristóf Baráti
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popularity: 22
genre: classical
genre: classical-piano
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Violin Partita No. 2 in D Minor, BWV 1004: V. Ciaccona
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Cello Suite No. 1 in G Major, BWV 1007: I. Prelude
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by artist: Jaap Ter Linden
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popularity: 23
genre: classical
genre: classical-piano
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additional property: CopyrightID
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Cello Suite No. 1 in G Major, BWV 1007: I. Prelude
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Notenbüchlein für Anna Magdalena Bach: XXIV. Bist du bei mir, BWV 508 (Arr. J.S. Bach)
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by artist: Johannete Zomer
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
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Partita No. 1 in B-Flat Major, BWV 825: I. Prelude
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
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Violin Concerto in A Minor, BWV 1041: II. Andante
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by artist: Amsterdam Bach Soloists
by artist: Henk Rubingh
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popularity: 22
genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Violin Concerto in A Minor, BWV 1041: II. Andante
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Chromatic Fantasy and Fugue in D Minor, BWV 903: I. Fantasie
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by artist: Pieter-Jan Belder
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Chromatic Fantasy and Fugue in D Minor, BWV 903: I. Fantasie
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Wie schön leuchtet der Morgenstern, BWV 1: I. Coro. Wie schön leuchtet der Morgenstern
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Wie schön leuchtet der Morgenstern, BWV 1: I. Coro. Wie schön leuchtet der Morgenstern
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Herz und Mund und Tat und Leben, BWV 147, Pt. 2: X. Coro. Jesu bleibet meine Freude
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popularity: 22
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Herz und Mund und Tat und Leben, BWV 147, Pt. 2: X. Coro. Jesu bleibet meine Freude
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Concerto in D Minor for Two Violins, BWV 1043: II. Largo ma non tanto
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popularity: 22
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Concerto in D Minor for Two Violins, BWV 1043: II. Largo ma non tanto
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    type: PropertyValue
    value: 0.553
  additional property: Liveness
    type: PropertyValue
    value: 0.314
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.187
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.352
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wachet! Betet! Betet! Wachet!, BWV 70, Pt. 1: I. Coro. Wachet! Betet! Betet! Wachet!
type: MusicRecording
duration: PT4M5S
duration ms: 245893
explicit: false
by artist: Johann Sebastian Bach
by artist: Netherlands Bach Collegium
by artist: Pieter Jan Leusink
by artist: Holland Boys Choir
in album: Top 50 Bach
  type: MusicAlbum
  date published: 2014-05-17
popularity: 21
genre: classical
genre: classical-piano
isrc code: NLY331408081
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-09T04:54:23+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x6f751ece49e981140f106d46df5a177e2b3fee283874855d4203d941864ab811
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331408081
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f751ece49e981140f106d46df5a177e2b3fee283874855d4203d941864ab811. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331408081.
  date published: 2026-06-13T15:41:10Z
audio: Wachet! Betet! Betet! Wachet!, BWV 70, Pt. 1: I. Coro. Wachet! Betet! Betet! Wachet!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 157.113
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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    value: 0.855
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.416
  additional property: Loudness (dB)
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    value: -20.911
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Mass in B Minor, BWV 232, Pt. 1: VIII. Duet. Domine Deus (Soprano, Tenor)
type: MusicRecording
duration: PT5M28S
duration ms: 328693
explicit: false
by artist: Johann Sebastian Bach
by artist: Hillevi Martinpelto
by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
by artist: Christoph Prégardien
in album: Top 50 Bach
  type: MusicAlbum
  date published: 2014-05-17
popularity: 21
genre: classical
genre: classical-piano
isrc code: NLY331408880
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-09T08:57:06+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x2a1200f0f6b3c110b47bd626dcdb264a18f8adc4fd14af50f5a4998c4664e4bb
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331408880
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a1200f0f6b3c110b47bd626dcdb264a18f8adc4fd14af50f5a4998c4664e4bb. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331408880.
  date published: 2026-06-13T17:25:41Z
audio: Mass in B Minor, BWV 232, Pt. 1: VIII. Duet. Domine Deus (Soprano, Tenor)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.533
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.289
  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Erbarm dich mein, o Herre Gott, BWV 721
type: MusicRecording
duration: PT3M37S
duration ms: 217000
explicit: false
by artist: Johann Sebastian Bach
by artist: Stefano Molardi
in album: Top 50 Bach
  type: MusicAlbum
  date published: 2014-05-17
popularity: 21
genre: classical
genre: classical-piano
isrc code: NLY331409731
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T08:51:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6ceb4d04adf4d25c6c9fc118f63fda0d52455a5a4eef5da51771e2ea2ac559ac
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331409731
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ceb4d04adf4d25c6c9fc118f63fda0d52455a5a4eef5da51771e2ea2ac559ac. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331409731.
  date published: 2026-06-13T13:32:09Z
audio: Erbarm dich mein, o Herre Gott, BWV 721
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 125.19
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.191
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.29
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Komm, Jesu, komm, BWV 229
type: MusicRecording
duration: PT8M52S
duration ms: 532226
explicit: false
by artist: Johann Sebastian Bach
by artist: Chamber Choir Of Europe
by artist: European Chamber Soloists
by artist: Nicol Matt
in album: Top 50 Bach
  type: MusicAlbum
  date published: 2014-05-17
popularity: 21
genre: classical
genre: classical-piano
isrc code: NLY331408960
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T08:49:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbed5a1ca2d33759e6d3cde6cf3f10924c967c74e05d2579cc1c4671063aa173b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331408960
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbed5a1ca2d33759e6d3cde6cf3f10924c967c74e05d2579cc1c4671063aa173b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331408960.
  date published: 2026-06-13T15:41:10Z
audio: Komm, Jesu, komm, BWV 229
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.572
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.13
  additional property: Energy
    type: PropertyValue
    value: 0.229
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.947
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.295
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.17
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.272
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Matthäus-Passion, BWV 244, Pt. 1: VIII. Aria. Blute nur, du liebes Herz! (Soprano)
type: MusicRecording
duration: PT4M44S
duration ms: 284400
explicit: false
by artist: Johann Sebastian Bach
by artist: Gewandhausorchester
by artist: Rudolf Mauersberger
by artist: Erhard Mauersberger
by artist: Adele Stolte
in album: Top 50 Bach
  type: MusicAlbum
  date published: 2014-05-17
popularity: 21
genre: classical
genre: classical-piano
isrc code: NLY331409168
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T08:50:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfb8e1d205fe1da2e377426cb180d48580cd41ce384f920b5df70b7590ebf703f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331409168
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb8e1d205fe1da2e377426cb180d48580cd41ce384f920b5df70b7590ebf703f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331409168.
  date published: 2026-06-13T15:41:10Z
audio: Matthäus-Passion, BWV 244, Pt. 1: VIII. Aria. Blute nur, du liebes Herz! (Soprano)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.142
  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: 0.211
  additional property: Energy
    type: PropertyValue
    value: 0.112
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.123
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.092
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.274
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Matthäus-Passion, BWV 244, Pt. 2: XX. Aria. Aus Liebe will mein Heiland sterben (Soprano)
type: MusicRecording
duration: PT4M21S
duration ms: 261133
explicit: false
by artist: Johann Sebastian Bach
by artist: Gewandhausorchester
by artist: Rudolf Mauersberger
by artist: Erhard Mauersberger
by artist: Adele Stolte
in album: Top 50 Bach
  type: MusicAlbum
  date published: 2014-05-17
popularity: 21
genre: classical
genre: classical-piano
isrc code: NLY331409209
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T08:51:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd542c37498519a2a1e123bbc2226d87b9a73b93c8e1e7660e23eda7fd9cfec0f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331409209
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd542c37498519a2a1e123bbc2226d87b9a73b93c8e1e7660e23eda7fd9cfec0f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331409209.
  date published: 2026-06-13T13:32:09Z
audio: Matthäus-Passion, BWV 244, Pt. 2: XX. Aria. Aus Liebe will mein Heiland sterben (Soprano)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.28
  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: 0.193
  additional property: Energy
    type: PropertyValue
    value: 0.04
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.181
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.133
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.134
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Italian Concerto in F Major, BWV 971: I. Allegro
type: MusicRecording
duration: PT4M9S
duration ms: 249333
explicit: false
by artist: Johann Sebastian Bach
by artist: Pieter-Jan Belder
in album: Top 50 Bach
  type: MusicAlbum
  date published: 2014-05-17
popularity: 21
genre: classical
genre: classical-piano
isrc code: NLY331407316
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T08:48:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x755c41c12eaced90a7df998d36cb5f849cd7b2152ab0978c1ab0608216edb138
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331407316
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x755c41c12eaced90a7df998d36cb5f849cd7b2152ab0978c1ab0608216edb138. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331407316.
  date published: 2026-06-13T15:41:10Z
audio: Italian Concerto in F Major, BWV 971: I. Allegro
  type: AudioObject
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track: Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto
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track: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
track: Violin Concerto in E Major, BWV 1042: I. Allegro
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track: Concerto for Two Violins and Orchestra in E Major, BWV 1043: I. Vivace
track: Harpsichord Concerto No. 1 in D Minor, BWV 1052: I. Allegro
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track: Harpsichord Concerto No. 6. In F Major, BWV 1057: I. —
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Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affettuoso
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subject of: OpenTimestamps Proof of Existence
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Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro
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subject of: OpenTimestamps Proof of Existence
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
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Violin Concerto in E Major, BWV 1042: I. Allegro
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  date published: 2026-07-07T18:50:38Z
audio: Violin Concerto in E Major, BWV 1042: I. Allegro
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Violin Concerto in E Major, BWV 1042: II. Adagio
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audio: Violin Concerto in E Major, BWV 1042: II. Adagio
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Violin Concerto in A Minor, BWV 1041: III. Allegro assai
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Violin Concerto in G Minor, BWV 1056: II. Largo
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Violin Concerto in G Minor, BWV 1056: III. Presto
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subject of: OpenTimestamps Proof of Existence
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Concerto for Two Violins and Orchestra in E Major, BWV 1043: I. Vivace
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Harpsichord Concerto No. 1 in D Minor, BWV 1052: I. Allegro
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Harpsichord Concerto No. 1 in D Minor, BWV 1052: II. Adagio
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  date published: 2026-07-08T03:53:27Z
audio: Harpsichord Concerto No. 1 in D Minor, BWV 1052: II. Adagio
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Harpsichord Concerto No. 2 in E Major, BWV 1053: I. —
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Harpsichord Concerto No. 3 in D Major, BWV 1054: I. —
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Harpsichord Concerto No. 3 in D Major, BWV 1054: II. Adagio e Piano sempre
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Harpsichord Concerto No. 4 in A Major, BWV 1055: I. Allegro
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Harpsichord Concerto No. 5 in F Minor, BWV 1056: I. —
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Harpsichord Concerto No. 5 in F Minor, BWV 1056: II. Largo
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Harpsichord Concerto No. 6. In F Major, BWV 1057: I. —
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Concerto for Three Violins in D Major, BWV 1064R: I. Allegro
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Concerto for Three Violins in D Major, BWV 1064R: II. Adagio
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    date published: 2026-06-13T15:41:10Z
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track: Oboe Concerto in D Minor, BWV 1059:: I. Allegro
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track: Oratorium Festo Paschali: Kommt, eilet und laufet (Easter Oratorio), BWV 249: I. Sinfonia
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OpenTimestamps Proof of Existence
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Das wohltemperierte Klavier, BWV 847: Fugue No. 2 in C Minor
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Goldberg Variations, BWV 988: Aria
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T11:02:43Z
audio: Goldberg Variations, BWV 988: Aria
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Oboe Concerto in D Minor, BWV 1059:: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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Brandenburg Concerto No. 3 in G Major, BWV 1048: I. (Allegro)
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audio: Brandenburg Concerto No. 3 in G Major, BWV 1048: I. (Allegro)
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Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro
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audio: Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro
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Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio
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Oratorium Festo Paschali: Kommt, eilet und laufet (Easter Oratorio), BWV 249: I. Sinfonia
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by artist: Virtuosi Saxoniae
by artist: Ludwig Güttler
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Oratorium Festo Paschali: Kommt, eilet und laufet (Easter Oratorio), BWV 249: I. Sinfonia
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Keyboard Concerto in D minor, BWV 1052: I. Allegro
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by artist: Kurt Sanderling
by artist: Berliner Symphoniker
by artist: Hans Pischner
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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: Keyboard Concerto in D minor, BWV 1052: I. Allegro
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Bach, J.S.: Solo Concertos (Reconstructed Concertos)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T12:53:06Z
  audio: Sinfonia in D Major, BWV 1045
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J.S. Bach: Complete Edition, Vol. 1/10
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
  audio: Concerto No. 1 in F Major, BWV 1046: I. —
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track: Concerto No. 1 in F Major, BWV 1046: IV. Menuet - Trio No. 1 - Polonaise - Trio No. 2
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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track: Concerto No. 3 in G Major, BWV 1048: I. —
track: Concerto No. 4 in G Major, BWV 1049: II. Andante
track: Concerto No. 4 in G Major, BWV 1049: III. Presto
track: Concerto No. 5 in D Major, BWV 1050: I. Allegro
track: Concerto No. 5 in D Major, BWV 1050: III. Allegro

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

Concerto No. 2 in F Major, BWV 1047: I. —
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Concerto No. 3 in G Major, BWV 1048: I. —
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Concerto No. 4 in G Major, BWV 1049: II. Andante
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  date published: 2026-07-08T03:53:27Z
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Concerto No. 4 in G Major, BWV 1049: III. Presto
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  date published: 2026-07-08T03:53:27Z
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Concerto No. 5 in D Major, BWV 1050: I. Allegro
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Concerto No. 5 in D Major, BWV 1050: III. Allegro
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