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description: Aurèle Nicolet (22 January 1926 – 29 January 2016) was a Swiss flautist. He was considered one of the world's best flute players of the late twentieth century. He performed in various international c
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album: Mozart: Bassoon Concerto, K. 191; Haydn: Sinfonia concertante; Cimarosa: Concerto for two flutes; Schubert: Symphony No. 3 (Igor Markevitch – The Deutsche Grammophon Legacy: Volume 3)
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Andante for Flute and Orchestra in C, K.315
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Violin Masterpieces: Yehudi Menuhin Live at Blythburgh Church, Aldeburgh, 1958 (Live)
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track: Flute Concerto in D Major, RV 428 "Il Gardellino": III. Allegro
track: Bassoon Concerto in B-Flat Major, RV 504: I. Allegro ma poco
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Flute Concerto in G Minor, RV 439 "La notte": III. Largo
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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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Flute Concerto in G Minor, RV 439 "La notte": IV. Presto
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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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Flute Concerto in G Minor, RV 439 "La notte": V. Il sonno. Largo
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subject of: OpenTimestamps Proof of Existence
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Flute Concerto in G Minor, RV 439 "La notte": VI. Allegro
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  date published: 2026-07-08T08:56:20Z
audio: Flute Concerto in G Minor, RV 439 "La notte": VI. Allegro
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Flute Concerto in D Major, RV 428 "Il Gardellino": III. Allegro
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audio: Flute Concerto in D Major, RV 428 "Il Gardellino": III. Allegro
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Bassoon Concerto in B-Flat Major, RV 504: I. Allegro ma poco
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Concerto for 2 Trumpets in C Major, RV 537 (Rev. Malipiero): I. 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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track: Suite No. 2 in B minor, BWV 1067: II. Rondeau
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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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  subject of: OpenTimestamps Proof of Existence
  audio: Suite No. 2 in B minor, BWV 1067: VI. Bourrée I-II
track: Orchestral Suite No. 2 In B Minor, BWV 1067: VII. Badinerie
track: Concerto for Harpsichord, Strings, and Continuo No. 5 in F Minor, BWV 1056: I. (Allegro)
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track: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T08:56:20Z

Suite No. 2 in B minor, BWV 1067: VI. Bourrée I-II
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Orchestral Suite No. 2 In B Minor, BWV 1067: VII. Badinerie
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subject of: OpenTimestamps Proof of Existence
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audio: Orchestral Suite No. 2 In B Minor, BWV 1067: VII. Badinerie
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Concerto for Harpsichord, Strings, and Continuo No. 5 in F Minor, BWV 1056: I. (Allegro)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Concerto for Harpsichord, Strings, and Continuo No. 5 in F Minor, BWV 1056: I. (Allegro)
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Concerto for Harpsichord, Strings, and Continuo No. 5 in F Minor, BWV 1056: III. Presto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:39:04Z
audio: Concerto for Harpsichord, Strings, and Continuo No. 5 in F Minor, BWV 1056: III. Presto
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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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Concerto for 4 Harpsichords, Strings, and Continuo in A Minor, BWV 1065: III. Allegro
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Folksong Settings
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by artist: Royal Concertgebouw Orchestra
by artist: David Zinman
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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: Flute Concerto No.2 in D, K.314: 1. Allegro aperto
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Flute Quartet in A, K.298: 1. Thema (Andante) con variazioni
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by artist: Grumiaux Trio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Flute Concerto No.2 in D, K.314: 3. 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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Flute Quartet in A, K.298: 3. Rondeau (Allegretto grazioso)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Flute Quartet in A, K.298: 3. Rondeau (Allegretto grazioso)
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Concerto for Flute, Harp, and Orchestra in C, K.299: 3. Rondo (Allegro)
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duration: PT9M29S
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by artist: London Symphony Orchestra
by artist: Sir Colin Davis
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popularity: 1
genre: classical
genre: classical-era
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Concerto for Flute, Harp, and Orchestra in C, K.299: 3. Rondo (Allegro)
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Honegger: Concerto da camera / Martinů: Oboe Concerto / Martin: Trois danses; Petite complainte; Pièce brève
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track: Oboe Concerto: 2. Poco andante
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  by artist: Academy of St. Martin in the Fields
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:39:04Z
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Holliger: Scardanelli - Zyklus
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date published: 1993-03-01

Luigi Boccherini & Joseph Martin Kraus: Flute Quintets
type: MusicAlbum
date published: 1992-03-10

Mozart: Flute Concertos; Salieri: Concerto for Flute and Orchestra
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T13:25:45Z
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Spohr, Mozart: Harp Concertos (Flöten Und Harfenkonzert)
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Weber & Franck: Sonatas for Flute & Piano
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Salieri/Stamitz/Cimarosa: Concertos for Flute & Oboe
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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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Leclair: 2ème Récréation de musique & Flute Sonatas
type: MusicAlbum
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Mozart: Sinfonia Concertante; Oboe Concerto
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Oboe Concerto in C, K.314: 1. Allegro aperto
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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: Oboe Concerto in C, K.314: 2. Adagio non troppo
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  audio: Oboe Concerto in C, K.314: 2. Adagio non troppo

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

Oboe Concerto in C, K.314: 2. Adagio non troppo
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Bach: Brandenburg Concertos Vol. 1 - Classical Navigator
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track: Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
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track: Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto
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Richter / Stamitz / Filtz / Cannabich: Concertos of the Mannheim School
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date published: 1980-01-01

Handel, Telemann, Bach: Trio Sonatas / Triosonaten
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Couperin: Nouveaux Concerts
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Bach: Partita BWV 1013, Flute Sonatas BWV 1033, 1034 & 1035
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  by artist: Karl Richter
  by artist: Johannes Fink
  in album: Bach: Partita BWV 1013, Flute Sonatas BWV 1033, 1034 & 1035
    type: MusicAlbum
    date published: 1975-01-01
  genre: classical
  genre: classical-piano
  isrc code: DEF057302222
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T13:07:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xce465f962d8a5016324d37702adb1d7d9cfe4ac3ac9f4ab30803235436947781
  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/DEF057302222
  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 0xce465f962d8a5016324d37702adb1d7d9cfe4ac3ac9f4ab30803235436947781. 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/DEF057302222.
    date published: 2026-07-08T03:53:27Z
  audio: Flute Sonata in C Major, BWV 1033: II. Allegro
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 134.277
    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: 0.498
    additional property: Energy
      type: PropertyValue
      value: 0.364
    additional property: Speechiness
      type: PropertyValue
      value: 0.054
    additional property: Acousticness
      type: PropertyValue
      value: 0.967
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.944
    additional property: Liveness
      type: PropertyValue
      value: 0.242
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.971
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.537
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Flute Sonata in C Major, BWV 1033: III. Adagio
  type: MusicRecording
  duration: PT1M43S
  duration ms: 103893
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Aurèle Nicolet
  by artist: Karl Richter
  by artist: Johannes Fink
  in album: Bach: Partita BWV 1013, Flute Sonatas BWV 1033, 1034 & 1035
    type: MusicAlbum
    date published: 1975-01-01
  genre: classical
  genre: classical-piano
  isrc code: DEF057302223
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T18:54:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x93ffd723a0015a2d098ebad884964bea80eda39d3e24f0cbf7906f64c5d67ad7
  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/DEF057302223
  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 0x93ffd723a0015a2d098ebad884964bea80eda39d3e24f0cbf7906f64c5d67ad7. 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/DEF057302223.
    date published: 2026-07-08T08:56:20Z
  audio: Flute Sonata in C Major, BWV 1033: III. Adagio
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 95.472
    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: 0.342
    additional property: Energy
      type: PropertyValue
      value: 0.273
    additional property: Speechiness
      type: PropertyValue
      value: 0.06
    additional property: Acousticness
      type: PropertyValue
      value: 0.982
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.967
    additional property: Liveness
      type: PropertyValue
      value: 0.313
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.38
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.982
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Partita in A Minor, BWV 1013: II. Corrente
  type: MusicRecording
  duration: PT2M27S
  duration ms: 147560
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Aurèle Nicolet
  in album: Bach: Partita BWV 1013, Flute Sonatas BWV 1033, 1034 & 1035
    type: MusicAlbum
    date published: 1975-01-01
  genre: classical
  genre: classical-piano
  isrc code: DEF056904502
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T07:22:55+00:00
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Partita in A Minor, BWV 1013: II. Corrente
track: Partita in A Minor, BWV 1013: IV. Bourrée anglaise

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x085d9aa8f23e1bc1f7e308c7c027248eb5a109231498d3cf9dc00877f6d66bbe

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957118

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056904502

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

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 0x085d9aa8f23e1bc1f7e308c7c027248eb5a109231498d3cf9dc00877f6d66bbe. 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/DEF056904502.
date published: 2026-07-08T03:20:19Z

Partita in A Minor, BWV 1013: II. Corrente
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 100.774
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: 0.306
additional property: Energy
  type: PropertyValue
  value: 0.062
additional property: Speechiness
  type: PropertyValue
  value: 0.06
additional property: Acousticness
  type: PropertyValue
  value: 0.994
additional property: Instrumentalness
  type: PropertyValue
  value: 0.863
additional property: Liveness
  type: PropertyValue
  value: 0.119
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.866
additional property: Loudness (dB)
  type: PropertyValue
  value: -27.409
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Minor

Partita in A Minor, BWV 1013: IV. Bourrée anglaise
type: MusicRecording
duration: PT1M55S
duration ms: 115666
explicit: false
by artist: Johann Sebastian Bach
by artist: Aurèle Nicolet
in album: Bach: Partita BWV 1013, Flute Sonatas BWV 1033, 1034 & 1035
  type: MusicAlbum
  date published: 1975-01-01
genre: classical
genre: classical-piano
isrc code: DEF056904504
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T18:44:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5b13118ca8d8a72ea4badb1ce0627cf57f3e445a2a955fb27a3fe41f7ce6038d
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/DEF056904504
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 0x5b13118ca8d8a72ea4badb1ce0627cf57f3e445a2a955fb27a3fe41f7ce6038d. 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/DEF056904504.
  date published: 2026-07-08T08:56:20Z
audio: Partita in A Minor, BWV 1013: IV. Bourrée anglaise
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.452
  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: 0.506
  additional property: Energy
    type: PropertyValue
    value: 0.041
  additional property: Speechiness
    type: PropertyValue
    value: 0.076
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.915
  additional property: Liveness
    type: PropertyValue
    value: 0.047
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.905
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.538
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, J.S.: Flute Sonatas BWV 1020, 1030-1032; Partita BWV 1013
type: MusicAlbum
date published: 1975-01-01
track: Sonata for Violin or Flute and Continuo, No.1 in G Minor BWV 1020: III. Allegro
  type: MusicRecording
  duration: PT4M47S
  duration ms: 287000
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Aurèle Nicolet
  by artist: Karl Richter
  in album: Bach, J.S.: Flute Sonatas BWV 1020, 1030-1032; Partita BWV 1013
    type: MusicAlbum
    date published: 1975-01-01
  genre: classical
  genre: classical-piano
  isrc code: DEF057302213
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T19:23:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4e74fbb7682ce71d39559d51dce9e937a67c9df6a4692fd03160190ce39e4cde
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957122
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957122
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057302213
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:39:04Z
  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 0x4e74fbb7682ce71d39559d51dce9e937a67c9df6a4692fd03160190ce39e4cde. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057302213.
    date published: 2026-07-08T03:39:04Z
  audio: Sonata for Violin or Flute and Continuo, No.1 in G Minor BWV 1020: III. Allegro
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 120.428
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.561
    additional property: Energy
      type: PropertyValue
      value: 0.379
    additional property: Speechiness
      type: PropertyValue
      value: 0.059
    additional property: Acousticness
      type: PropertyValue
      value: 0.865
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.04
    additional property: Liveness
      type: PropertyValue
      value: 0.071
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.921
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.041
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Bach: Musical Offering, BWV 1079
type: MusicAlbum
date published: 1969-01-01
track: Musical Offering, BWV 1079: Ricercar a 3
  type: MusicRecording
  duration: PT5M26S
  duration ms: 326000
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Hedwig Bilgram
  in album: Bach: Musical Offering, BWV 1079
    type: MusicAlbum
    date published: 1969-01-01
  genre: classical
  genre: classical-piano
  isrc code: DEF056330101
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T03:06:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x97eec6aeed32dcff18e651a26687f0d2b28afad18bbf4f5b0e29076c3d90a00b
  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/DEF056330101
  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 0x97eec6aeed32dcff18e651a26687f0d2b28afad18bbf4f5b0e29076c3d90a00b. 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/DEF056330101.
    date published: 2026-07-08T03:22:41Z
  audio: Musical Offering, BWV 1079: Ricercar a 3
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 146.676
    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: 0.227
    additional property: Energy
      type: PropertyValue
      value: 0.248
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.526
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.111
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.604
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.76
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Musical Offering, BWV 1079: Canon a 2 cancrizans
  type: MusicRecording
  duration: PT0M55S
  duration ms: 55000
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Kurt Guntner
  by artist: Otto Büchner
  in album: Bach: Musical Offering, BWV 1079
    type: MusicAlbum
    date published: 1969-01-01
  genre: classical
  genre: classical-piano
  isrc code: DEF056330103
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T08:20:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x866c8f91c3eedd33b2f0847845a13af09e1624edb7d77b64448664132651c316
  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/DEF056330103
  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 0x866c8f91c3eedd33b2f0847845a13af09e1624edb7d77b64448664132651c316. 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/DEF056330103.
    date published: 2026-07-08T03:22:41Z
  audio: Musical Offering, BWV 1079: Canon a 2 cancrizans
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 106.164
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 6
    additional property: Danceability
      type: PropertyValue
      value: 0.534
    additional property: Energy
      type: PropertyValue
      value: 0.076
    additional property: Speechiness
      type: PropertyValue
      value: 0.063
    additional property: Acousticness
      type: PropertyValue
      value: 0.995
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.002
    additional property: Liveness
      type: PropertyValue
      value: 0.14
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.951
    additional property: Loudness (dB)
      type: PropertyValue
      value: -29.754
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Musical Offering, BWV 1079: Canon a 2 violini in unisono
  type: MusicRecording
  duration: PT0M39S
  duration ms: 39666
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Kurt Guntner
  by artist: Otto Büchner
  by artist: Fritz Kiskalt
  in album: Bach: Musical Offering, BWV 1079
    type: MusicAlbum
    date published: 1969-01-01
  genre: classical
  genre: classical-piano
  isrc code: DEF056330104
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T11:16:31+00:00
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Musical Offering, BWV 1079: Canon a 2 violini in unisono
track: Musical Offering, BWV 1079: Canon a 2 per augmentationem, contrario motu
track: Musical Offering, BWV 1079: Canon a 2 per tonos
track: Musical Offering, BWV 1079: Fuga canonica
track: Musical Offering, BWV 1079: Canon a 4
track: Musical Offering, BWV 1079: Sonata a 3 - I. Largo
track: Musical Offering, BWV 1079: Sonata a 3 - II. Allegro

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xdce8c16356027cc38c79c69bb01970b4ee999cfe94ff026bef2c16db135314ed

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957118

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056330104

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

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 0xdce8c16356027cc38c79c69bb01970b4ee999cfe94ff026bef2c16db135314ed. 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/DEF056330104.
date published: 2026-07-08T03:20:19Z

Musical Offering, BWV 1079: Canon a 2 violini in unisono
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 128.156
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: 0.402
additional property: Energy
  type: PropertyValue
  value: 0.078
additional property: Speechiness
  type: PropertyValue
  value: 0.046
additional property: Acousticness
  type: PropertyValue
  value: 0.916
additional property: Instrumentalness
  type: PropertyValue
  value: 0.091
additional property: Liveness
  type: PropertyValue
  value: 0.191
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.371
additional property: Loudness (dB)
  type: PropertyValue
  value: -24.041
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Musical Offering, BWV 1079: Canon a 2 per augmentationem, contrario motu
type: MusicRecording
duration: PT2M6S
duration ms: 126000
explicit: false
by artist: Johann Sebastian Bach
by artist: Kurt Guntner
by artist: Otto Büchner
by artist: Siegfried Meinecke
in album: Bach: Musical Offering, BWV 1079
  type: MusicAlbum
  date published: 1969-01-01
genre: classical
genre: classical-piano
isrc code: DEF056330106
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T23:39:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb43685003761801399b3c64f115f3824f101ccc1fee6ad0d5ab161c2f91b04b3
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/DEF056330106
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 0xb43685003761801399b3c64f115f3824f101ccc1fee6ad0d5ab161c2f91b04b3. 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/DEF056330106.
  date published: 2026-07-08T03:53:27Z
audio: Musical Offering, BWV 1079: Canon a 2 per augmentationem, contrario motu
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 91.211
  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: 0.215
  additional property: Energy
    type: PropertyValue
    value: 0.1
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.436
  additional property: Liveness
    type: PropertyValue
    value: 0.149
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.347
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.566
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Musical Offering, BWV 1079: Canon a 2 per tonos
type: MusicRecording
duration: PT2M33S
duration ms: 153000
explicit: false
by artist: Johann Sebastian Bach
by artist: Otto Büchner
by artist: Siegfried Meinecke
by artist: Fritz Kiskalt
in album: Bach: Musical Offering, BWV 1079
  type: MusicAlbum
  date published: 1969-01-01
genre: classical
genre: classical-piano
isrc code: DEF056330107
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:34:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e202969ce89e13e59a6bb3062da6e65b9ac9e322e4a8141394a6c39f302ec54
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/DEF056330107
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 0x4e202969ce89e13e59a6bb3062da6e65b9ac9e322e4a8141394a6c39f302ec54. 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/DEF056330107.
  date published: 2026-07-08T08:56:20Z
audio: Musical Offering, BWV 1079: Canon a 2 per tonos
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.022
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.251
  additional property: Energy
    type: PropertyValue
    value: 0.099
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.895
  additional property: Liveness
    type: PropertyValue
    value: 0.115
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.538
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.353
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Musical Offering, BWV 1079: Fuga canonica
type: MusicRecording
duration: PT1M59S
duration ms: 119000
explicit: false
by artist: Johann Sebastian Bach
by artist: Otto Büchner
by artist: Siegfried Meinecke
by artist: Fritz Kiskalt
in album: Bach: Musical Offering, BWV 1079
  type: MusicAlbum
  date published: 1969-01-01
genre: classical
genre: classical-piano
isrc code: DEF056330108
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-12T01:34:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1061845d652875535c7a901925dc30cb5762cfe0cb566d4f88ac478a29d46815
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957122
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957122
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056330108
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:39:04Z
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 0x1061845d652875535c7a901925dc30cb5762cfe0cb566d4f88ac478a29d46815. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056330108.
  date published: 2026-07-08T03:39:04Z
audio: Musical Offering, BWV 1079: Fuga canonica
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.212
  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: 0.334
  additional property: Energy
    type: PropertyValue
    value: 0.189
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.946
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.122
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.809
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.908
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Musical Offering, BWV 1079: Canon a 4
type: MusicRecording
duration: PT2M30S
duration ms: 150000
explicit: false
by artist: Johann Sebastian Bach
by artist: Hedwig Bilgram
by artist: Karl Richter
in album: Bach: Musical Offering, BWV 1079
  type: MusicAlbum
  date published: 1969-01-01
genre: classical
genre: classical-piano
isrc code: DEF056330112
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:48:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbeddd5851b3c98b94d712f47a50752750638a011816c28659db83106db6bc879
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/DEF056330112
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 0xbeddd5851b3c98b94d712f47a50752750638a011816c28659db83106db6bc879. 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/DEF056330112.
  date published: 2026-07-08T03:20:19Z
audio: Musical Offering, BWV 1079: Canon a 4
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.676
  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: 0.45
  additional property: Energy
    type: PropertyValue
    value: 0.432
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.674
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.075
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.89
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.994
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Musical Offering, BWV 1079: Sonata a 3 - I. Largo
type: MusicRecording
duration: PT7M18S
duration ms: 438000
explicit: false
by artist: Johann Sebastian Bach
by artist: Aurèle Nicolet
by artist: Otto Büchner
by artist: Fritz Kiskalt
by artist: Karl Richter
in album: Bach: Musical Offering, BWV 1079
  type: MusicAlbum
  date published: 1969-01-01
genre: classical
genre: classical-piano
isrc code: DEF056330113
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:36:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb3dbbd6a89e94c86d219a6ac030aeb817158dd0764c8fe6b1367f5fe96a76e3f
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/DEF056330113
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 0xb3dbbd6a89e94c86d219a6ac030aeb817158dd0764c8fe6b1367f5fe96a76e3f. 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/DEF056330113.
  date published: 2026-07-08T03:53:27Z
audio: Musical Offering, BWV 1079: Sonata a 3 - I. Largo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.117
  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: 0.24
  additional property: Energy
    type: PropertyValue
    value: 0.139
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.07
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.182
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.256
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Musical Offering, BWV 1079: Sonata a 3 - II. Allegro
type: MusicRecording
duration: PT6M21S
duration ms: 381000
explicit: false
by artist: Johann Sebastian Bach
by artist: Aurèle Nicolet
by artist: Otto Büchner
by artist: Fritz Kiskalt
by artist: Karl Richter
in album: Bach: Musical Offering, BWV 1079
  type: MusicAlbum
  date published: 1969-01-01
genre: classical
genre: classical-piano
isrc code: DEF056330114
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:30:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x86da3d86dca01b24389bd90d977137fa7deca19909b73da62a74a16cc74c9a2d
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/DEF056330114
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
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Das Schaffen Johann Sebastian Bachs: Serie L. Ouvertüren Und Sinfonien (Stereo Version)
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Das Schaffen Johann Sebastian Bachs: Serie K. Instrumentalkonzerte (Stereo Version)
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Debussy & Ravel: Mélodies (Stereo Version)
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Debussy & Ravel: Mélodies (Mono Version)
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Das Schaffen Johann Sebastian Bachs: Serie K: Instrumentalkonzerte (Stereo Version)
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Bach: Concertos brandebourgeois Nos. 2 & 4 (Stereo Version)
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Debussy / Ravel: Recital
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Mozart: Concerto pour flûte No. 2 & concerto pour cor No. 4 (Mono Version)
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Pergolesi / Vivaldi / Woodcock / Blavet / Leclair: Flute Concertos
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Orchestral Suite No. 2 In B Minor, BWV 1067: VII. Badinerie
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Brandenburg Concerto No. 5 in D, BWV 1050: 1. Allegro
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Orchestral Suite No. 2 In B Minor, BWV 1067: VII. Badinerie
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Suite No. 2 in B minor, BWV 1067: I. Ouverture
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Suite No. 2 in B minor, BWV 1067: II. Rondeau
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