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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Cello Suite No. 1 in G Major, Bwv 1007: I. Prelude
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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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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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  subject of: OpenTimestamps Proof of Existence
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track: Canon and Gigue in D Major, P. 37: No. 1, Canon

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OpenTimestamps Proof of Existence
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date published: 2026-07-07T13:52:39Z

Kling, Glöckchen, kling
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Canon and Gigue in D Major, P. 37: No. 1, Canon
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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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Great Baroque Masterpieces
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    date published: 2026-07-08T08:56:20Z
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    date published: 2026-07-08T03:20:19Z
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track: Missa Bell' Amfitrit' altera: Agnus Dei

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

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Missa Bell' Amfitrit' altera: Agnus Dei
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Missa Bell' Amfitrit' altera: Agnus Dei
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Bach For Meditation (Swedish Edition)
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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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    date published: 2026-07-07T15:12:44Z
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track: Toccata, Adagio and Fugue in C Major, BWV 564: Adagio
track: Clavierbuchlein for Anna Magdalena Bach, Book 2, BWV Anh. 113-132: Minuet in G Major, BWV Anh. 114
track: Anna Magdalena Notenbuch (Clavier-Buchlein III): Bist du bei mir, BWV 508 (attrib. G.H. Stolzel)
track: Concerto for Oboe and Violin in C Minor, BWV 1060: II. Adagio
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track: Keyboard Concerto in D Minor, BWV 974 (after A. Marcello's Oboe Concerto) (arr. E. Voorhorst for guitar): Concerto in D Minor, BWV 974: II. Adagio (after Oboe Concerto by A. Marcello) (arr. f
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:20:19Z

Herz und Mund und Tat und Leben, BWV 147: Jesu bleibet meine Freude (Jesu Joy of Man's Desiring) (arr. M. Hess)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Christmas Oratorio, BWV 248, Part II: Sinfonia
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Toccata, Adagio and Fugue in C Major, BWV 564: Adagio
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duration: PT3M27S
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by artist: Johann Sebastian Bach
by artist: Wolfgang Rübsam
in album: Bach For Meditation (Swedish Edition)
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popularity: 3
genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Toccata, Adagio and Fugue in C Major, BWV 564: Adagio
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Clavierbuchlein for Anna Magdalena Bach, Book 2, BWV Anh. 113-132: Minuet in G Major, BWV Anh. 114
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by artist: Janos Sebestyen
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Clavierbuchlein for Anna Magdalena Bach, Book 2, BWV Anh. 113-132: Minuet in G Major, BWV Anh. 114
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Anna Magdalena Notenbuch (Clavier-Buchlein III): Bist du bei mir, BWV 508 (attrib. G.H. Stolzel)
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by artist: Camerata De Budapest
by artist: Laszlo Kovacs
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popularity: 3
genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Anna Magdalena Notenbuch (Clavier-Buchlein III): Bist du bei mir, BWV 508 (attrib. G.H. Stolzel)
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Concerto for Oboe and Violin in C Minor, BWV 1060: II. Adagio
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by artist: Lisa Stewart
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by artist: Cologne Chamber Orchestra
by artist: Helmut Müller-Brühl
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popularity: 3
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Concerto for Oboe and Violin in C Minor, BWV 1060: II. Adagio
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Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante
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by artist: Nadja Schubert
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by artist: Helmut Müller-Brühl
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popularity: 2
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante
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Keyboard Concerto in D Minor, BWV 974 (after A. Marcello's Oboe Concerto) (arr. E. Voorhorst for guitar): Concerto in D Minor, BWV 974: II. Adagio (after Oboe Concerto by A. Marcello) (arr. f
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Keyboard Concerto in D Minor, BWV 974 (after A. Marcello's Oboe Concerto) (arr. E. Voorhorst for guitar): Concerto in D Minor, BWV 974: II. Adagio (after Oboe Concerto by A. Marcello) (arr. f
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Flute Sonata in E-Flat Major, BWV 1031: II. Siciliano (arr. for flute and harp)
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popularity: 2
genre: classical
genre: classical-piano
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  value: https://explorer.copyrightchains.com/tx/0xcad70d8872f01100403c51aad6401a2bfb6a75d15b636aef54f0f64e0f069e82
additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/HKI199717611
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 0xcad70d8872f01100403c51aad6401a2bfb6a75d15b636aef54f0f64e0f069e82. 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/HKI199717611.
  date published: 2026-07-08T03:53:27Z
audio: Flute Sonata in E-Flat Major, BWV 1031: II. Siciliano (arr. for flute and harp)
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  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
    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
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Flowering of Love, (The) - Beautiful Arias and Sacred Songs of the Baroque
type: MusicAlbum
date published: 2000-01-01
track: Amarilli, mia bella
  type: MusicRecording
  duration: PT3M17S
  duration ms: 197013
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  by artist: Giulio Caccini
  by artist: Catherine Webster
  by artist: Catacoustic Consort
  in album: Flowering of Love, (The) - Beautiful Arias and Sacred Songs of the Baroque
    type: MusicAlbum
    date published: 2000-01-01
  popularity: 3
  genre: opera
  isrc code: HKI190516710
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4df84232b402b24f5753b04154c12fbbf38156686a1f95ca63688dd251f1051f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    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/HKI190516710
  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 0x4df84232b402b24f5753b04154c12fbbf38156686a1f95ca63688dd251f1051f. 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/HKI190516710.
    date published: 2026-07-08T03:22:41Z
  audio: Amarilli, mia bella
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
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    additional property: Time Signature
      type: PropertyValue
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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
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Rinaldo, HWV 7, Act II: Lascia ch'io pianga
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275920
  explicit: false
  by artist: George Frideric Handel
  by artist: Ingrid Kertesi
  by artist: Camerata De Budapest
  by artist: Laszlo Kovacs
  in album: Flowering of Love, (The) - Beautiful Arias and Sacred Songs of the Baroque
    type: MusicAlbum
    date published: 2000-01-01
  popularity: 2
  genre: classical
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
  isrc code: HKI199614105
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-01-28T21:27:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x697aadbefad6b2b083d9600e75acef65c0596c3f289e051e7dd1f2a3be621817
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  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/HKI199614105
  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 0x697aadbefad6b2b083d9600e75acef65c0596c3f289e051e7dd1f2a3be621817. 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/HKI199614105.
    date published: 2026-07-08T03:53:27Z
  audio: Rinaldo, HWV 7, Act II: Lascia ch'io pianga
    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
      type: PropertyValue
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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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track: 6 Cantatas, "The Flowering and Fading of Love": No. 1. Da procella tempestosa, "La rosa": Largo
  type: MusicRecording
  duration: PT3M51S
  duration ms: 231173
  explicit: false
  by artist: Attilio Ariosti
  by artist: Laurie Reviol
  by artist: Musica Solare
  in album: Flowering of Love, (The) - Beautiful Arias and Sacred Songs of the Baroque
    type: MusicAlbum
    date published: 2000-01-01
  popularity: 1
  genre: baroque
  genre: italian-baroque
  isrc code: HKI190417202
  additional property: CopyrightID
  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: 6 Cantatas, "The Flowering and Fading of Love": No. 1. Da procella tempestosa, "La rosa": Largo
track: Stabat mater: Stabat mater dolorosa
track: Ode for St. Cecilia's Day, HWV 76: Air: What passion cannot Music raise

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
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value: 2026-07-07T14:50:31+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x68b6c30827e7fa1454e6971f9b7e05d86300626bc4355b8a95e4237e9dc0021e

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 957145

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957145

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190417202

OTSTimestamp
type: PropertyValue
value: 2026-07-08T08:56:20Z

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 0x68b6c30827e7fa1454e6971f9b7e05d86300626bc4355b8a95e4237e9dc0021e. 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/HKI190417202.
date published: 2026-07-08T08:56:20Z

6 Cantatas, "The Flowering and Fading of Love": No. 1. Da procella tempestosa, "La rosa": Largo
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.428
additional property: Energy
  type: PropertyValue
  value: 0.033
additional property: Speechiness
  type: PropertyValue
  value: 0.053
additional property: Acousticness
  type: PropertyValue
  value: 0.987
additional property: Instrumentalness
  type: PropertyValue
  value: 0.041
additional property: Liveness
  type: PropertyValue
  value: 0.106
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.221
additional property: Loudness (dB)
  type: PropertyValue
  value: -25.593
additional property: Key Name
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  value: A
additional property: Mode Name
  type: PropertyValue
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Stabat mater: Stabat mater dolorosa
type: MusicRecording
duration: PT3M31S
duration ms: 211706
explicit: false
by artist: Giovanni Battista Pergolesi
by artist: Julia Faulkner
by artist: Anna Gonda
by artist: Camerata De Budapest
by artist: Michael Halasz
in album: Flowering of Love, (The) - Beautiful Arias and Sacred Songs of the Baroque
  type: MusicAlbum
  date published: 2000-01-01
popularity: 2
genre: classical
genre: choral
genre: requiem
isrc code: HKI199508208
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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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/HKI199508208
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 0xaafee9f1d048b362ca9f79a638e2ca713a51b221ab858b403e44395a1aa1981e. 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/HKI199508208.
  date published: 2026-07-08T03:53:27Z
audio: Stabat mater: Stabat mater dolorosa
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  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: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.46
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.037
  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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Ode for St. Cecilia's Day, HWV 76: Air: What passion cannot Music raise
type: MusicRecording
duration: PT8M16S
duration ms: 496266
explicit: false
by artist: George Frideric Handel
by artist: Dorothee Mields
by artist: Concerto Polacco
by artist: Wolfgang Helbich
in album: Flowering of Love, (The) - Beautiful Arias and Sacred Songs of the Baroque
  type: MusicAlbum
  date published: 2000-01-01
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: HKI199930905
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x98698c5f96acd776d12904be18c40e9329792f10459822bb8091b3fc9adf7a8e
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/HKI199930905
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 0x98698c5f96acd776d12904be18c40e9329792f10459822bb8091b3fc9adf7a8e. 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/HKI199930905.
  date published: 2026-07-08T03:53:27Z
audio: Ode for St. Cecilia's Day, HWV 76: Air: What passion cannot Music raise
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.213
  additional property: Energy
    type: PropertyValue
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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)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Discover Music of the Baroque Era
type: MusicAlbum
date published: 2005-03-01
track: Sonata in D Major a 8 viole con una tromba: I. Allegro
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  duration: PT1M28S
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  by artist: Cologne Chamber Orchestra
  by artist: Helmut Müller-Brühl
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    type: MusicAlbum
    date published: 2005-03-01
  popularity: 1
  genre: baroque
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbdc327aaeaeeb37820e2c95309d864ae8259fb22d747783537343f8eca31e0c5
  additional property: OTSHash
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  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/HKI199908401
  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 0xbdc327aaeaeeb37820e2c95309d864ae8259fb22d747783537343f8eca31e0c5. 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/HKI199908401.
    date published: 2026-07-08T03:53:27Z
  audio: Sonata in D Major a 8 viole con una tromba: I. Allegro
    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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Violin Partita No. 3 in E Major, BWV 1006: I. Preludio
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by artist: Lucy van Dael
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T16:07:00Z
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Canon and Gigue: Canon
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by artist: Capella Istropolitana
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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An der schonen, blauen Donau (The Beautiful Blue Danube), Op. 314
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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: An der schonen, blauen Donau (The Beautiful Blue Danube), Op. 314
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Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
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Liebesträume, S. 541: 3 Liebestraume, S541/R211: No. 3: Nocturne in A-Flat Major
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:50:38Z
audio: Liebesträume, S. 541: 3 Liebestraume, S541/R211: No. 3: Nocturne in A-Flat Major
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Bagatelle in A Minor, WoO 59, "Fur Elise"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: Bagatelle in A Minor, WoO 59, "Fur Elise"
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Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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popularity: 5
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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Mandolin Concerto in C Major, RV 425: I. Allegro
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by artist: Paul O'Dette
by artist: The Parley of Instruments
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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: Mandolin Concerto in C Major, RV 425: I. Allegro
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Die Walkure, Act III: Ride of the Valkyries
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by artist: Slovak Radio Symphony Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Toccata and Fugue in D Minor, BWV 565: Toccata
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subject of: OpenTimestamps Proof of Existence
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audio: Toccata and Fugue in D Minor, BWV 565: Toccata
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1812 Festival Overture, Op. 49: 1812 Overture, Op. 49
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: 1812 Festival Overture, Op. 49: 1812 Overture, Op. 49
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Nocturne No. 2 in E-Flat Major, Op. 9, No. 2
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
audio: Nocturne No. 2 in E-Flat Major, Op. 9, No. 2
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The Planets, Op. 32: IV. Jupiter, the Bringer of Jollity
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  date published: 2026-07-08T03:22:41Z
audio: The Planets, Op. 32: IV. Jupiter, the Bringer of Jollity
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Viola Concerto in G Major: II. Allegro
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subject of: OpenTimestamps Proof of Existence
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audio: Viola Concerto in G Major: II. Allegro
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Music for the Royal Fireworks, HWV 351: IV. Le rejouissance
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Mass in B Minor, BWV 232: Agnus dei
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Bolero
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3 Gymnopedies: No. 1. Lent et douloureux
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Piano Concerto in A Minor, Op. 16: I. Allegro moderato
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The Well-Tempered Clavier, Book I: Well-Tempered Clavier, Book I: Prelude and Fugue No. 1 in C Major, BWV 846
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The 4 Seasons: Violin Concerto in F Minor, Op. 8, No. 4, RV 297, "L'inverno" (Winter): II. Largo
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Rinaldo, HWV 7a: Lascia ch'io pianga (Let me lament)
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by artist: Susanne Rydén
by artist: London Baroque
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Rinaldo, HWV 7a: Lascia ch'io pianga (Let me lament)
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2, "Moonlight": I. Adagio sostenuto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2, "Moonlight": I. Adagio sostenuto
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Suite bergamasque: III. Clair de lune (orch. A. Caplet)
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subject of: OpenTimestamps Proof of Existence
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audio: Suite bergamasque: III. Clair de lune (orch. A. Caplet)
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Goldberg Variations, BWV 988: I. Aria
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Goldberg Variations, BWV 988: I. Aria
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Gianni Schicchi: O mio babbino caro (Lauretta)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Gianni Schicchi: O mio babbino caro (Lauretta)
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Serse (Xerxes), HWV 40, Act I: Ombra mai fu: Largo (Serse)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Serse (Xerxes), HWV 40, Act I: Ombra mai fu: Largo (Serse)
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Nabucco, Act III: Va, pensiero, "Chorus of Hebrew Slaves"
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subject of: OpenTimestamps Proof of Existence
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Prélude à l'après-midi d'un faune, L. 86: Prelude a l'apres-midi d'un faune
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Messiah, HWV 56, Part II: Hallelujah
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La crème de la crème: La musique classique
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Adagio 2
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A Guided Tour of the Baroque Era, Vol. 5
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A Guided Tour of the Baroque Era, Vol. 2
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A Guided Tour of the Baroque Era, Vol. 8
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Classical Mellow Cello
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track: Cello Sonata in G Minor, Op. 65: III. Largo

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Skona Grona Dagar (Beautiful Green Days)
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A Guided Tour of the Classical Era, Vol. 1
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Art & Music: Canaletto - Music of His Time
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The Story of Naxos (The Soundtrack)
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The A to Z of Classical Music (3rd Expanded Edition, 2009)
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The Essentials: Haydn
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A Guided Tour of the Classical Era, Vol. 2
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International Music Festival Nz 2001
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Bach to Work: Classical Music for Work or Study
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Twist of Christmas
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Charming Cello
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Bach-Humbug: Classical Music for Christmas
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Rejoice - A Vision of Christ Through Music
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Classical Music: 30 of the Best
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Bach: Ses plus grandes œuvres
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J.S. Bach: Matthäuspassion, BWV 244
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40 of the Best: Classical Music to Drive With
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Overture (Suite) No. 3 in D Major, BWV 1068: Suite No. 3 in D Major, BWV 1068: Air, "Air on a G String"
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Piano Concerto No. 21 in C Major, K. 467 "Elvira Madigan": II. Andante
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by artist: Helmut Müller-Brühl
by artist: Evgeni Koroliov
by artist: Cologne Chamber Orchestra
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genre: classical-era
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