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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-07T18:39:05Z
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      date published: 2026-07-08T03:53:27Z
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  track: Concerto a 5 in D Minor, Op. 9, No. 2 for Oboe, Strings and Continuo: 3. Allegro
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  track: Concerto a 5 in F Major, Op. 9, No. 3 for 2 Oboes, Strings, and Continuo: 2. Adagio
  track: Concerto a 5 in F Major, Op. 9, No. 3 for 2 Oboes, Strings, and Continuo: 3. Allegro
  track: Oboe Concerto in D minor: 2. Adagio
  track: Concerto a 5 in G Minor, Op. 9, No. 8 for Oboe, Strings, and Continuo: 1. Allegro
  track: Concerto a 5 in G Minor, Op. 9, No. 8 for Oboe, Strings, and Continuo: 3. Allegro
  track: Concerto a 5 in C Major, Op. 9, No. 9 for 2 Oboes, Strings, and Continuo: 2. Adagio
  track: Oboe Concerto in C Major RV 446: I. (Allegro)
  track: Oboe Concerto in C Major RV 446: II. Adagio
album: 50 Relaxing Classics by Classic FM
album: 101 Adagios
album: Essential Baroque
album: Best of Handel
album: I Musici: Baroque Masterpieces
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Concerto a 5 in D Minor, Op. 9, No. 2 for Oboe, Strings and Continuo: 3. Allegro
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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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Concerto a 5 in F Major, Op. 9, No. 3 for 2 Oboes, Strings, and Continuo: 1. Allegro
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subject of: OpenTimestamps Proof of Existence
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audio: Concerto a 5 in F Major, Op. 9, No. 3 for 2 Oboes, Strings, and Continuo: 1. Allegro
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Concerto a 5 in F Major, Op. 9, No. 3 for 2 Oboes, Strings, and Continuo: 2. Adagio
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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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Oboe Concerto in D minor: 2. Adagio
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Concerto a 5 in G Minor, Op. 9, No. 8 for Oboe, Strings, and Continuo: 1. Allegro
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Concerto a 5 in G Minor, Op. 9, No. 8 for Oboe, Strings, and Continuo: 3. Allegro
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Concerto a 5 in C Major, Op. 9, No. 9 for 2 Oboes, Strings, and Continuo: 2. Adagio
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Oboe Concerto in C Major RV 446: I. (Allegro)
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Oboe Concerto in C Major RV 446: II. Adagio
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50 Relaxing Classics by Classic FM
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Violin Concerto in E Minor, Op. 64, MWV O 14: 2. Andante
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Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": II. Adagio un poco moto –
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Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto
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Chants d'Auvergne: 2. Bailero
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Piano Concerto No. 21 in C Major, K. 467: II. Andante
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Norma / Act I: Casta Diva
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Capriol Suite: 2. Pavane
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Capriol Suite: 2. Pavane
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Crucifixus (8-Part)
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by artist: Antonio Lotti
by artist: The Sixteen
by artist: Harry Christophers
in album: 50 Relaxing Classics by Classic FM
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Crucifixus (8-Part)
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Fantasia on a Theme by Thomas Tallis
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by artist: Ralph Vaughan Williams
by artist: Iona Brown
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by artist: Kenneth Heath
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: Fantasia on a Theme by Thomas Tallis
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Eine kleine Nachtmusik, K. 525: II. Romance. Andante
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: Eine kleine Nachtmusik, K. 525: II. Romance. Andante
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The Gadfly, Op. 97: 3. Youth (Romance)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: The Gadfly, Op. 97: 3. Youth (Romance)
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Symphony No. 6 in F, Op. 68 -"Pastoral": 5. Hirtengesang. Frohe und dankbare Gefühle nach dem Sturm: Allegretto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Symphony No. 6 in F, Op. 68 -"Pastoral": 5. Hirtengesang. Frohe und dankbare Gefühle nach dem Sturm: Allegretto
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Adagio for Strings
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Adagio for Strings
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Ave Maria, CG89a (from Bach Prelude in C, BWV 846)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Ave Maria, CG89a (from Bach Prelude in C, BWV 846)
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Ave verum corpus, K.618
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duration: PT3M36S
duration ms: 216826
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Choir of King's College, Cambridge
by artist: James Vivian
by artist: Stephen Cleobury
in album: 50 Relaxing Classics by Classic FM
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genre: classical
genre: classical-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Ave verum corpus, K.618
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Orfeo ed Euridice Wq. 30 - Vienna Version (1762) / Act 2: Ballo (Dance of the Blessed Spirits)
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by artist: Christoph Willibald Gluck
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by artist: Sir Georg Solti
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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: 2026-07-02T11:34:59Z
audio: Orfeo ed Euridice Wq. 30 - Vienna Version (1762) / Act 2: Ballo (Dance of the Blessed Spirits)
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By The Sleepy Lagoon
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by artist: East of England Orchestra
by artist: Malcolm Nabarro
in album: 50 Relaxing Classics by Classic FM
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: By The Sleepy Lagoon
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Bagatelle in A Minor, WoO 59 "Für Elise" - Live
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by artist: Vladimir Ashkenazy
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: Bagatelle in A Minor, WoO 59 "Für Elise" - Live
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Canon and Gigue in D Major, P. 37
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by artist: Academy of Ancient Music
by artist: Christopher Hogwood
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: Canon and Gigue in D Major, P. 37
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Fantasia on Greensleeves
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by artist: Ralph Vaughan Williams
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Fantasia on Greensleeves
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Locus Iste
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by artist: The Sixteen
by artist: Harry Christophers
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additional property: OTSVerificationAPI
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
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Gymnopédie No. 1. Lent et douloureux
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by artist: Pascal Rogé
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Gymnopédie No. 1. Lent et douloureux
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Lux Aurumque
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Lux Aurumque
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Liebestraum No. 3 in A-Flat Major, S. 541/3
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: Liebestraum No. 3 in A-Flat Major, S. 541/3
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Thaïs, Act II: Méditation
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Thaïs, Act II: Méditation
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Peer Gynt, Op. 23, Act IV: No. 13, Prelude. Morning Mood
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: Peer Gynt, Op. 23, Act IV: No. 13, Prelude. Morning Mood
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Gnossienne No. 1
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12 Etudes, Op. 10: No. 3 in E Major "Tristesse"
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Peer Gynt, Op. 23, Act IV: No. 19, Solveig's Song
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St. Matthew Passion, BWV 244 / Part Two: No. 39 Aria (Alto): "Erbarme dich"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
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A Midsummer Night's Dream, Incidental Music, Op. 61, MWV M 13: 7. Notturno
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  date published: 2026-07-02T11:34:59Z
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Nocturne No. 2 in E-Flat Major, Op. 9 No. 2
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On hearing the first Cuckoo in Spring
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Pavane pour une infante défunte, M. 19 (Orchestral Version)
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Requiem: Pie Jesu
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-02T03:55:08Z
audio: Requiem: Pie Jesu
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Quiet City
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duration: PT8M41S
duration ms: 521706
explicit: false
by artist: Aaron Copland
by artist: Celia Nicklin
by artist: Michael Laird
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: 50 Relaxing Classics by Classic FM
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genre: classical
genre: orchestra
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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: 2026-07-06T07:16:32Z
audio: Quiet City
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Sospiri, Op. 70
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by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: 50 Relaxing Classics by Classic FM
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genre: classical
genre: late-romantic-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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  date published: 2026-07-06T01:26:17Z
audio: Sospiri, Op. 70
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The Banks of Green Willow
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by artist: George Butterworth
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: 50 Relaxing Classics by Classic FM
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: The Banks of Green Willow
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Lakmé / Act 1: Viens, Mallika, ... Dôme épais
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by artist: Dame Joan Sutherland
by artist: Jane Berbié
by artist: Monte-Carlo Philharmonic Orchestra
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:53:57Z
audio: Lakmé / Act 1: Viens, Mallika, ... Dôme épais
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The Planets, Op. 32: II. Venus, the Bringer of Peace
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by artist: Orchestre Symphonique de Montréal
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genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: The Planets, Op. 32: II. Venus, the Bringer of Peace
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Serenade in B-Flat Major, K. 361 "Gran Partita": III. Adagio
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by artist: Edo de Waart
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Serenade in B-Flat Major, K. 361 "Gran Partita": III. Adagio
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101 Adagios
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track: Suite bergamasque, L. 75: Clair de lune (Orch. Mouton)
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track: Adagio for Strings
track: Eine kleine Nachtmusik, K. 525: Romance (Andante)
track: Pavane, Op. 50 (Choral Version)
track: Consolation No. 3, Lento placido, S.142
track: Concerto grosso in D, Op. 6, No. 1: 2. Largo
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date published: 2026-07-08T03:53:27Z

Canon in D, P. 37
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Adagio for Strings
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
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Eine kleine Nachtmusik, K. 525: Romance (Andante)
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  date published: 2026-07-08T03:53:27Z
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Pavane, Op. 50 (Choral Version)
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Consolation No. 3, Lento placido, S.142
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Concerto grosso in D, Op. 6, No. 1: 2. Largo
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Was mir behagt, ist nur die muntre Jagd, Cantata BWV 208: Sheep May Safely Graze
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Trumpet Voluntary
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duration ms: 167213
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by artist: Jeremiah Clarke
by artist: Philip Jones
by artist: Elgar Howarth
by artist: The Philip Jones Brass Ensemble
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Trumpet Voluntary
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Italian Concerto, BWV 971: I. [Allegro]
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by artist: Christophe Rousset
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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: 2026-07-02T03:55:08Z
audio: Italian Concerto, BWV 971: I. [Allegro]
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Messiah, HWV 56, Pt. 3: No. 45, Aria. I Know That My Redeemer Liveth (Soprano)
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by artist: Kiri Te Kanawa
by artist: Chicago Symphony Orchestra
by artist: Sir Georg Solti
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genre: early-music
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genre: english-baroque
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: Messiah, HWV 56, Pt. 3: No. 45, Aria. I Know That My Redeemer Liveth (Soprano)
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Abdelazer: Rondeau
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by artist: Sir Neville Marriner
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genre: classical
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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: 2026-06-13T15:41:10Z
audio: Abdelazer: Rondeau
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Stabat Mater: 1. Stabat Mater
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by artist: Les Talens Lyriques
by artist: Christophe Rousset
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genre: classical
genre: choral
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Stabat Mater: 1. Stabat Mater
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Toccata and Fugue in D minor, BWV 565: Toccata
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by artist: Daniel Chorzempa
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Toccata and Fugue in D minor, BWV 565: Toccata
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Water Music Suite No. 2 in D Major, HWV 349: Hornpipe
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genre: classical
genre: early-music
genre: baroque
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subject of: OpenTimestamps Proof of Existence
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Gloria, RV 589: I. Gloria in excelsis Deo
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Adagio for Strings and Organ in G minor (Arr. Giazotto)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Adagio for Strings and Organ in G minor (Arr. Giazotto)
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Oboe Concerto in D Minor, BWV 1059R: II. Siciliano
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Oboe Concerto in D Minor, BWV 1059R: II. Siciliano
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Suite No. 2 in B minor, BWV 1067: 7. Badinerie
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  date published: 2026-07-02T11:38:34Z
audio: Suite No. 2 in B minor, BWV 1067: 7. Badinerie
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Stabat Mater, RV 621: I. Stabat Mater – II. Cuius animam – III. O quam tristis
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  date published: 2026-07-02T03:55:08Z
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The Four Seasons, Winter, Violin Concerto in F Minor, RV 297, Op. 8 No. 4: II. Largo
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  date published: 2026-07-02T11:34:59Z
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Music for the Royal Fireworks, HWV 351: IV. La Réjouissance
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genre: early-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Music for the Royal Fireworks, HWV 351: IV. La Réjouissance
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Miserere - Excerpt
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by artist: Alastair Hussain
by artist: Choir of King's College, Cambridge
by artist: Edward Gardner
by artist: Stephen Cleobury
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Miserere - Excerpt
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Herz und Mund und Tat und Leben, Cantata BWV 147: Jesu, Joy Of Man's Desiring, BWV 147
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by artist: Robert Quinney
by artist: Stephen Cleobury
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Herz und Mund und Tat und Leben, Cantata BWV 147: Jesu, Joy Of Man's Desiring, BWV 147
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Messiah, HWV 56, Pt. 2: No. 44, Chorus. Hallelujah, for the Lord God Omnipotent Reigneth
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:53:57Z
audio: Messiah, HWV 56, Pt. 2: No. 44, Chorus. Hallelujah, for the Lord God Omnipotent Reigneth
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Concerto grosso in G Minor, Op. 6, No. 8 "fatto per la notte di Natale": III. Adagio - Allegro - Adagio
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by artist: I Musici
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Concerto grosso in G Minor, Op. 6, No. 8 "fatto per la notte di Natale": III. Adagio - Allegro - Adagio
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Premier livre de pieces de clavecin - Troisième Suite: Le coucou
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T12:33:25Z
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Violin Concerto No. 4 in E Major, TWV 51:E3: I. Affettuoso
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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Brandenburg Concerto No. 5 in D, BWV 1050: 3. Allegro
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Prelude and Fugue in C (WTK, Book I, No. 1), BWV 846: Prelude
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subject of: OpenTimestamps Proof of Existence
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Goldberg Variations, BWV 988: Aria
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Violin Concerto No. 1 in A minor, BWV 1041: 1. (Allegro moderato)
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audio: Violin Concerto No. 1 in A minor, BWV 1041: 1. (Allegro moderato)
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Dido and Aeneas / Act 3: "Thy Hand, Belinda...When I Am Laid In Earth"
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audio: Dido and Aeneas / Act 3: "Thy Hand, Belinda...When I Am Laid In Earth"
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Concerto for Lute, 2 Violins and Continuo in D major, RV 93: 2. Largo (Arr. for Guitar)
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Serse, HWV 40 / Act 1: "Ombra mai fu"
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Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto
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by artist: Maurice Hasson
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
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Water Music Suite No. 1 in F Major, HWV 348: Air
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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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Rinaldo / Act 2: "Lascia ch'io pianga"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Rinaldo / Act 2: "Lascia ch'io pianga"
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Nulla in mundo pax, R.630: 1. Nulla in mundo pax sincera - Edit
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: Nulla in mundo pax, R.630: 1. Nulla in mundo pax sincera - Edit
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The Four Seasons, Spring, Violin Concerto in E Major, RV 269, Op. 8 No. 1: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: The Four Seasons, Spring, Violin Concerto in E Major, RV 269, Op. 8 No. 1: I. Allegro
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Coronation Anthem No. 1, HWV 258 "Zadok the Priest”
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: Coronation Anthem No. 1, HWV 258 "Zadok the Priest”
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The Four Seasons, Summer, Violin Concerto in G Minor, RV 315, Op. 8 No. 2: III. Presto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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  additional property: Valence (Positivity)
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Best of Handel
type: MusicAlbum
date published: 2019-10-11
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  by artist: Monika Razynska
  by artist: Sinfonia Varsovia
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    type: MusicAlbum
    date published: 2019-10-11
  genre: classical
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
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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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64ad36f3384a83676c8697dcfc32b014c62e700e267db8e08c7f2d60a3f28fcc. 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/DEUM70602312.
    date published: 2026-06-13T15:41:10Z
  audio: Handel: Rinaldo / Act 2: "Lascia ch'io pianga" (Arr. For Oboe, Harpsichord And Orchestra)
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  by artist: The English Concert
  by artist: Trevor Pinnock
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    type: MusicAlbum
    date published: 2019-10-11
  genre: classical
  genre: early-music
  genre: baroque
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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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    date published: 2026-07-02T11:34:59Z
  audio: Handel: Water Music Suite No.1 In F, HWV 348: 5. Air
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  by artist: Andrés Segovia
  in album: Best of Handel
    type: MusicAlbum
    date published: 2019-10-11
  genre: classical
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
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  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Handel: Suite No.4 In D Minor For Harpsichord, HWV 437: 3. Sarabande (Arr. For Solo Guitar By Andrés Segovia)
track: Handel: Solomon, HWV 67: Arrival Of The Queen Of Sheba
track: Handel: Serse / Act 1 HWV 40: "Ombra mai fu" (Arr. for Oboe)
track: Handel: Water Music Suite, HWV 348-350: Alla Hornpipe
track: Handel: Messiah, HWV 56 / Pt. 2: 42. Hallelujah
track: Handel: Eternal Source Of Light Divine (Ode For The Birthday Of Queen Anne), HWV 74
track: Handel: Water Music Suite No. 1 In F, HWV 348: 2. Adagio e staccato
track: Handel: Messiah, HWV 56 / Pt. 1: Symphony
track: Handel: Water Music Suite No.3 In G, HWV 350: 19. Menuet - 20. Without Indication
track: Handel: Oboe Concerto No.2 in B flat, HWV 302a: 3. Andante
track: Handel: 12 Concerti grossi, Op.6 - Concerto grosso in Bb major, Op. 6, No. 7: 1. Largo
track: Handel: Concerto grosso In G, Op.3, No.3 HWV 314: 1. Largo e staccato
track: Handel: Messiah, HWV 56 / Pt. 1: 12. For Unto Us A Child Is Born

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CopyrightStatus
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CopyrightRegisteredAt
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CopyrightChainExplorerURL
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OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956312

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055200009

OTSTimestamp
type: PropertyValue
value: 2026-07-02T05:09:12Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22a364e7709720781761f6d4341016f2e5574526141d593477ca8ab8efc6abea. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055200009.
date published: 2026-07-02T05:09:12Z

Handel: Suite No.4 In D Minor For Harpsichord, HWV 437: 3. Sarabande (Arr. For Solo Guitar By Andrés Segovia)
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Handel: Solomon, HWV 67: Arrival Of The Queen Of Sheba
type: MusicRecording
duration: PT3M10S
duration ms: 190080
explicit: false
by artist: George Frideric Handel
by artist: The English Concert
by artist: Trevor Pinnock
in album: Best of Handel
  type: MusicAlbum
  date published: 2019-10-11
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x535fc18055d53930089aeb2dda83b08be87551ae11fa47e9bf33bea0494881c9. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058401950.
  date published: 2026-07-02T11:38:34Z
audio: Handel: Solomon, HWV 67: Arrival Of The Queen Of Sheba
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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duration: PT2M55S
duration ms: 175613
explicit: false
by artist: George Frideric Handel
by artist: Edward Brewer
by artist: Randall Wolfgang
by artist: Orpheus Chamber Orchestra
in album: Best of Handel
  type: MusicAlbum
  date published: 2019-10-11
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: DEF058902800
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0721fedc8f7695c16e947e1f65c98a85db9302fb8c45d2696d213ec198653a9. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058902800.
  date published: 2026-07-02T03:30:09Z
audio: Handel: Serse / Act 1 HWV 40: "Ombra mai fu" (Arr. for Oboe)
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type: MusicRecording
duration: PT4M24S
duration ms: 264066
explicit: false
by artist: George Frideric Handel
by artist: Wolfgang Meyer
by artist: Berliner Philharmoniker
by artist: Rafael Kubelík
in album: Best of Handel
  type: MusicAlbum
  date published: 2019-10-11
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  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 0x52ffb8371b665b49d10d2bd5b6e26288aaa157009bf9ded49402536f57bb276f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056330011.
  date published: 2026-07-02T03:55:08Z
audio: Handel: Water Music Suite, HWV 348-350: Alla Hornpipe
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by artist: George Frideric Handel
by artist: John Alldis Choir
by artist: London Philharmonic Orchestra
by artist: Karl Richter
in album: Best of Handel
  type: MusicAlbum
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genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: DEF057230313
additional property: CopyrightID
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957820
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230313
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-13T07:54:01Z
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 0x3f5b36c3311c13bed22c0a8ba6ea2a8ae048efd3cd4711d5cd9f5518cf363bb9. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/DEF057230313.
  date published: 2026-07-13T07:54:01Z
audio: Handel: Messiah, HWV 56 / Pt. 2: 42. Hallelujah
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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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: 0.368
  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Handel: Eternal Source Of Light Divine (Ode For The Birthday Of Queen Anne), HWV 74
type: MusicRecording
duration: PT3M53S
duration ms: 233760
explicit: false
by artist: George Frideric Handel
by artist: Elin Manahan Thomas
by artist: Orchestra of the Age of Enlightenment
by artist: Harry Christophers
in album: Best of Handel
  type: MusicAlbum
  date published: 2019-10-11
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: GBUM70700405
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM70700405
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 0x5a91e12d50dd2ba60ed31eb18f7d3f83e10f2bc6158a649841bc59d148d1524a. 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/GBUM70700405.
  date published: 2026-06-13T15:41:10Z
audio: Handel: Eternal Source Of Light Divine (Ode For The Birthday Of Queen Anne), HWV 74
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 103.362
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.67
  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Handel: Water Music Suite No. 1 In F, HWV 348: 2. Adagio e staccato
type: MusicRecording
duration: PT2M13S
duration ms: 133866
explicit: false
by artist: George Frideric Handel
by artist: The English Concert
by artist: Trevor Pinnock
in album: Best of Handel
  type: MusicAlbum
  date published: 2019-10-11
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: DEF058330002
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T15:42:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x24fa571526e31d270f541acaba28aafe634625122bac882146c756a2ff694db5
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058330002
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24fa571526e31d270f541acaba28aafe634625122bac882146c756a2ff694db5. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058330002.
  date published: 2026-07-06T06:56:49Z
audio: Handel: Water Music Suite No. 1 In F, HWV 348: 2. Adagio e staccato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Handel: Messiah, HWV 56 / Pt. 1: Symphony
type: MusicRecording
duration: PT2M54S
duration ms: 174066
explicit: false
by artist: George Frideric Handel
by artist: English Baroque Soloists
by artist: John Eliot Gardiner
in album: Best of Handel
  type: MusicAlbum
  date published: 2019-10-11
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: NLA508207101
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T18:17:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd894f42fe9b491fde453d32930a35cfbeef467c04c74059057d21d8bccb5dcaf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508207101
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd894f42fe9b491fde453d32930a35cfbeef467c04c74059057d21d8bccb5dcaf. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508207101.
  date published: 2026-07-06T06:56:49Z
audio: Handel: Messiah, HWV 56 / Pt. 1: Symphony
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 103.162
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Minor

Handel: Water Music Suite No.3 In G, HWV 350: 19. Menuet - 20. Without Indication
type: MusicRecording
duration: PT3M33S
duration ms: 213960
explicit: false
by artist: George Frideric Handel
by artist: Orpheus Chamber Orchestra
in album: Best of Handel
  type: MusicAlbum
  date published: 2019-10-11
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: DEF059031213
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T09:01:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa80aed5dcc01f98684ddb0da9c7ae23497b6d4673d24abdc0e27049634a4cb66
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059031213
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa80aed5dcc01f98684ddb0da9c7ae23497b6d4673d24abdc0e27049634a4cb66. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059031213.
  date published: 2026-07-07T18:39:05Z
audio: Handel: Water Music Suite No.3 In G, HWV 350: 19. Menuet - 20. Without Indication
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.504
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.079
  additional property: Liveness
    type: PropertyValue
    value: 0.369
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.552
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Handel: Oboe Concerto No.2 in B flat, HWV 302a: 3. Andante
type: MusicRecording
duration: PT2M52S
duration ms: 172000
explicit: false
by artist: George Frideric Handel
by artist: Heinz Holliger
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Best of Handel
  type: MusicAlbum
  date published: 2019-10-11
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: NLA507100426
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T13:49:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf9584137045b13218d552e3812b6aff03e1d484efac60146d2cc05e386442389
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507100426
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9584137045b13218d552e3812b6aff03e1d484efac60146d2cc05e386442389. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507100426.
  date published: 2026-07-02T05:09:12Z
audio: Handel: Oboe Concerto No.2 in B flat, HWV 302a: 3. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.091
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.734
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.915
  additional property: Liveness
    type: PropertyValue
    value: 0.141
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.198
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Handel: 12 Concerti grossi, Op.6 - Concerto grosso in Bb major, Op. 6, No. 7: 1. Largo
type: MusicRecording
duration: PT1M1S
duration ms: 61800
explicit: false
by artist: George Frideric Handel
by artist: Handel and Haydn Society
by artist: Christopher Hogwood
in album: Best of Handel
  type: MusicAlbum
  date published: 2019-10-11
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: GBF079240801
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T12:37:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf4d40893e67fba417e2e99fe124c0edf3973be6b380d8afe2890907ee47b1cd8
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956894
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079240801
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4d40893e67fba417e2e99fe124c0edf3973be6b380d8afe2890907ee47b1cd8. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079240801.
  date published: 2026-07-06T07:53:57Z
audio: Handel: 12 Concerti grossi, Op.6 - Concerto grosso in Bb major, Op. 6, No. 7: 1. Largo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 207.69
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.887
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.751
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.322
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.283
  additional property: Key Name
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  additional property: Mode Name
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track: Concerto for Strings and Continuo in E minor, RV 133: 1. Allegro
track: Concerto for Strings and Continuo in F major, RV 136: 2. Andante
track: Concerto for Strings and Continuo in F major, RV 136: 3. Minuetto (Allegro)
track: Concerto in G Minor for Flute & Strings, Op.10, No.2, RV439 - "La notte": 1. Largo
track: Concerto in G Minor for Flute & Strings, Op.10, No.2, RV439 - "La notte": 2. Fantasmi (Presto)
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track: Concerto grosso in B flat, Op. 6, No. 11 - Rev. Vittorio Negri (1923 - ): 2. Allemanda: Allegro
track: Concerto grosso in B flat, Op. 6, No. 11 - Rev. Vittorio Negri (1923 - ): 4. Sarabanda: Largo
track: Concerto grosso in B flat, Op. 6, No. 5 - Rev. Vittorio Negri (1923 - ): 1. Adagio - Allegro
track: Concerto grosso in B flat, Op. 6, No. 5 - Rev. Vittorio Negri (1923 - ): 4. Largo
track: 12 Concerti a 5, Op. 5 - Concerto a5, Op. 5 No. 4: 2. Adagio
track: Concerto grosso in B flat, Op. 6, No. 7: 1. Largo
track: Concerto grosso in F minor, Op. 1, No. 8 "Christmas Concerto": 2. Grave
track: Concerto grosso in F minor, Op. 1, No. 8 "Christmas Concerto": 4. Grave - Adagio
track: Concerto grosso in F minor, Op. 1, No. 8 "Christmas Concerto": 6. Andante - Adagio
track: Brandenburg Concerto No. 1 in F, BWV 1046: 4. Menuet - Trio - Polonaise
track: Concerto grosso in A minor, Op. 8, No. 2 - Rev. Abbado: 1. Allegro

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subject of: OpenTimestamps Proof of Existence
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Concerto for Strings and Continuo in F major, RV 136: 3. Minuetto (Allegro)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Concerto in G Minor for Flute & Strings, Op.10, No.2, RV439 - "La notte": 1. Largo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Concerto in G Minor for Flute & Strings, Op.10, No.2, RV439 - "La notte": 2. Fantasmi (Presto)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Concerto in G Minor for Flute & Strings, Op.10, No.2, RV439 - "La notte": 3. Largo
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subject of: OpenTimestamps Proof of Existence
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audio: Concerto in G Minor for Flute & Strings, Op.10, No.2, RV439 - "La notte": 6. Allegro
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Concerto grosso in B flat, Op. 6, No. 11 - Rev. Vittorio Negri (1923 - ): 2. Allemanda: Allegro
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  date published: 2026-07-08T08:56:20Z
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Concerto grosso in B flat, Op. 6, No. 11 - Rev. Vittorio Negri (1923 - ): 4. Sarabanda: Largo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:39:04Z
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Concerto grosso in B flat, Op. 6, No. 5 - Rev. Vittorio Negri (1923 - ): 1. Adagio - Allegro
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  date published: 2026-07-08T03:22:41Z
audio: Concerto grosso in B flat, Op. 6, No. 5 - Rev. Vittorio Negri (1923 - ): 1. Adagio - Allegro
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Concerto grosso in B flat, Op. 6, No. 5 - Rev. Vittorio Negri (1923 - ): 4. Largo
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  date published: 2026-07-08T08:56:20Z
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12 Concerti a 5, Op. 5 - Concerto a5, Op. 5 No. 4: 2. Adagio
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  date published: 2026-07-08T03:20:19Z
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Concerto grosso in B flat, Op. 6, No. 7: 1. Largo
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Concerto grosso in F minor, Op. 1, No. 8 "Christmas Concerto": 2. Grave
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Concerto grosso in F minor, Op. 1, No. 8 "Christmas Concerto": 4. Grave - Adagio
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Concerto grosso in F minor, Op. 1, No. 8 "Christmas Concerto": 6. Andante - Adagio
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Brandenburg Concerto No. 1 in F, BWV 1046: 4. Menuet - Trio - Polonaise
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  date published: 2026-07-08T03:53:27Z
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Concerto grosso in A minor, Op. 8, No. 2 - Rev. Abbado: 1. Allegro
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Baroque Adagios
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track: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Concerto for Lute, 2 Violins and Continuo in D major, RV 93: 2. Largo (Arr. for Guitar)
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Oboe Concerto in D Minor, Op. 9 No. 2: II. Adagio
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
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Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z