Johann Christian Bach
type: MusicGroup
genre: classical
description: Johann Christian Bach (5 September 1735 – 1 January 1782) was a German composer of the Classical era, the youngest son of Johann Sebastian Bach. He received his early musical training from his father,
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album: Bach: Anna Magdalena Notebooks, 1722 and 1725
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  track: Minuet in G Major, BWV Anh. 114 – Minuet in G Minor, BWV Anh. 115 (Formerly Attrib. Bach)
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      date published: 2026-07-14T18:13:17Z
    audio: Minuet in G Major, BWV Anh. 114 – Minuet in G Minor, BWV Anh. 115 (Formerly Attrib. Bach)
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  track: Rondeau in B-Flat Major "Les Bergeries", BWV Anh. 183 (Formerly Attrib. Bach)
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    audio: Rondeau in B-Flat Major "Les Bergeries", BWV Anh. 183 (Formerly Attrib. Bach)
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  track: Polonaise in G Minor, BWV Anh. 119
  track: Gib dich zufrieden, BWV 510
  track: Polonaise in D Minor, BWV Anh. 128
  track: Bist du bei mir (Formerly Attrib. Bach as BWV 508)[Voice & Harpsichord]
  track: Wie wohl ist mir, o Freund der Seelen, BWV 517
album: J.C. Bach: Gioas, re di Giuda, W. D1
album: Bach: Flute Quartets, Op. 19
album: Bach, J.C.: Sinfonie Concertanti, Vol. 4
album: Bach, J.C.: Sinfonie Concertanti, Vol. 2
album: Bach, J.C.: Symphonie Concertanti
album: Johann Christian Bach: Mailänder Vesperpsalmen
album: J.C. Bach: Gloria (Ricercar in Eco)
album: Johann Christian Bach: Requiem
album: Bach, J.C.: Requiem; Miserere
album: Bach, J.C.: Sinfonie Concertanti, Vol. 3
album: Bach, J.C.: Symphonies Concertantes, Vol. 5
album: Bach, J.C.: Symphonies (Complete), Vol. 5 - Symphonies, Op. 18
album: Bach, J.C.: Opera Overtures, Vol. 3
album: Bach, J.C.: Keyboard Concertos, Op. 13, Nos. 4-6 and Op. 14, No. 1
album: Bach: Woodwind Concertos, Vol. 1
album: J.C. Bach: Symphonies concertantes, Vol. 4
album: Bach, J.C.: 6 Keyboard Concertos, Op. 7
album: Bach, J.C.: Vauxhall Songs (Complete)
album: J.C. Bach: Six Sonatas, Op. 5
album: Six Concertos For Haro And String Trio
album: Johann Christian Bach: Concerti
album: J.C. Bach "La Dolce Fiamma" - Forgotten castrato arias
album: The Wizard Corboz
album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
album: Academy of Ancient Music - Baroque Essentials
album: Opus V
album: Bach, JC: Fortepiano Concertos, Op. 7
album: Bach, J.C.: Keyboard Sonatas, Op. 5
album: Bach, J.C.: Keyboard Concertos, Opp. 1 & 7
album: Bach, J.C.: 6 Keyboard Concertos, Op. 13
album: 3 Bach Magnificats: J.S. Bach, J.C. Bach & C.P.E. Bach
album: Johann Christian Bach: Six quartettos for Carl Friedrich Abel
album: Bach
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Requiem: Requiem: I. Introitus. Requiem aeternam. II. Kyrie
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  date published: 2011-10-25
genre: classical
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  date published: 2026-07-02T11:38:34Z
audio: Requiem: Requiem: I. Introitus. Requiem aeternam. II. Kyrie
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Requiem: Requiem: III. Sequenz - Dies irae (Coro)
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  date published: 2026-07-02T03:30:09Z
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Requiem: Requiem: XIII. 12. Coro. Lacrimosa
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Overture No. 6 in D major: 1. Allegro con spirito
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by artist: Christopher Hogwood
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  date published: 2026-07-22T06:33:30Z
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Viola Concerto in C Minor: I. Allegro molto ma maestoso
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by artist: Henri Casadesus
by artist: Nemanja Radulović
by artist: Double Sens
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additional property: OTSVerifyInstructions
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  date published: 2026-06-13T17:25:41Z
audio: Viola Concerto in C Minor: I. Allegro molto ma maestoso
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Viola Concerto in C Minor: II. Adagio molto espressivo
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by artist: Henri Casadesus
by artist: Nemanja Radulović
by artist: Double Sens
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Viola Concerto in C Minor: II. Adagio molto espressivo
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Viola Concerto in C Minor: III. Allegro molto energico
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by artist: Henri Casadesus
by artist: Nemanja Radulović
by artist: Double Sens
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genre: classical
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Liveness
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Valence (Positivity)
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Loudness (dB)
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Polonaise in G Minor, BWV Anh. 119
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by artist: Mahan Esfahani
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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: Polonaise in G Minor, BWV Anh. 119
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Gib dich zufrieden, BWV 510
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by artist: Mahan Esfahani
by artist: Carolyn Sampson
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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: Gib dich zufrieden, BWV 510
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Polonaise in D Minor, BWV Anh. 128
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by artist: Mahan Esfahani
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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: Polonaise in D Minor, BWV Anh. 128
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Bist du bei mir (Formerly Attrib. Bach as BWV 508)[Voice & Harpsichord]
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Bist du bei mir (Formerly Attrib. Bach as BWV 508)[Voice & Harpsichord]
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J.C. Bach: Gioas, re di Giuda, W. D1
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Bach: Flute Quartets, Op. 19
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Bach, J.C.: Sinfonie Concertanti, Vol. 4
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Bach, J.C.: Sinfonie Concertanti, Vol. 2
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track: Symphonie concertante in C Major, W. C36a: III. Allegro
track: Symphonie concertante in E-Flat Major, W. C33: I. Allegro (cadenza by B. Banfalvi)
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Concerto a piu istrumenti in D Major, W. C35: I. Allegro
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1004133
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 0x59b6dd30c2e4433919f7234d8fda4c79827f65d982dbe4cb08639115bbaf74e9. 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/USB8U1004133.
  date published: 2026-07-08T08:56:20Z
audio: Symphonie concertante in E-Flat Major, W. C33: II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.287
  additional property: Energy
    type: PropertyValue
    value: 0.089
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.943
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.92
  additional property: Liveness
    type: PropertyValue
    value: 0.153
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.142
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.098
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sinfonia concertante in E Major, W. C44: II. Larghetto
type: MusicRecording
duration: PT4M44S
duration ms: 284533
explicit: false
by artist: Johann Christian Bach
by artist: Janos Balint
by artist: Béla Bánfalvi
by artist: Zsofia Jardanyi
by artist: Karoly Botvay
by artist: Budapest Strings
in album: Bach, J.C.: Symphonie Concertanti
  type: MusicAlbum
  date published: 2009-01-01
popularity: 6
genre: classical
isrc code: USB8U1004158
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T04:36:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8f00a9d96bf9bd4226b90511d6263454211f5be0b12dce9f0e6fddda5e807a3e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956894
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956894
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1004158
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f00a9d96bf9bd4226b90511d6263454211f5be0b12dce9f0e6fddda5e807a3e. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1004158.
  date published: 2026-07-06T07:53:57Z
audio: Sinfonia concertante in E Major, W. C44: II. Larghetto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.038
  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: 0.236
  additional property: Energy
    type: PropertyValue
    value: 0.053
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.88
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.251
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.579
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
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Johann Christian Bach: Mailänder Vesperpsalmen
type: MusicAlbum
date published: 2010-09-01

J.C. Bach: Gloria (Ricercar in Eco)
type: MusicAlbum
date published: 2002

Johann Christian Bach: Requiem
type: MusicAlbum
date published: 2011-10-25
track: Requiem: Requiem: I. Introitus. Requiem aeternam. II. Kyrie
track: Requiem: Requiem: III. Sequenz - Dies irae (Coro)
track: Requiem: Requiem: 3. Aria (S). Tuba mirum
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198106
  explicit: false
  by artist: Johann Christian Bach
  by artist: Lenneke Ruiten
  by artist: Akademie für Alte Musik Berlin
  by artist: Hans-Christoph Rademann
  in album: Johann Christian Bach: Requiem
    type: MusicAlbum
    date published: 2011-10-25
  genre: classical
  isrc code: FRZ141025040
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T09:26:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5d3e76116007fd1cea57b767bd999e8e39f9b5015808de97672132f758fbf448
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957048
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957048
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141025040
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-07T14:18:56Z
  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 0x5d3e76116007fd1cea57b767bd999e8e39f9b5015808de97672132f758fbf448. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/FRZ141025040.
    date published: 2026-07-07T14:18:56Z
  audio: Requiem: Requiem: 3. Aria (S). Tuba mirum
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 105.663
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.426
    additional property: Energy
      type: PropertyValue
      value: 0.096
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.97
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.17
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.131
    additional property: Loudness (dB)
      type: PropertyValue
      value: -23.125
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Requiem: Requiem: V. 4. Coro. Mors stupebit
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162040
  explicit: false
  by artist: Johann Christian Bach
  by artist: RIAS Kammerchor
  by artist: Akademie für Alte Musik Berlin
  by artist: Hans-Christoph Rademann
  in album: Johann Christian Bach: Requiem
    type: MusicAlbum
    date published: 2011-10-25
  genre: classical
  isrc code: FRZ141025050
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T06:57:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8dced08ae25880ef0523ee24551dfeaa943815e91e122db7a24157177f7eb193
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957073
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957073
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141025050
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T16:18:40Z
  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 0x8dced08ae25880ef0523ee24551dfeaa943815e91e122db7a24157177f7eb193. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-21T16:18:40Z), 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/FRZ141025050.
    date published: 2026-07-21T16:18:40Z
  audio: Requiem: Requiem: V. 4. Coro. Mors stupebit
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 126.648
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.373
    additional property: Energy
      type: PropertyValue
      value: 0.188
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.977
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.128
    additional property: Liveness
      type: PropertyValue
      value: 0.176
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.297
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.374
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Requiem: Requiem: 5. Aria (A). Quid sum miser
  type: MusicRecording
  duration: PT2M28S
  duration ms: 148520
  explicit: false
  by artist: Johann Christian Bach
  by artist: Ruth Sandhoff
  by artist: Akademie für Alte Musik Berlin
  by artist: Hans-Christoph Rademann
  in album: Johann Christian Bach: Requiem
    type: MusicAlbum
    date published: 2011-10-25
  genre: classical
  isrc code: FRZ141025060
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T20:53:52+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: Requiem: Requiem: 5. Aria (A). Quid sum miser
track: Requiem: Requiem: VIII. 7. Coro. Juste judex ultionis
track: Requiem: Requiem: 8. Aria (T). Ingemisco
track: Requiem: Requiem: 10. Quartetto. Confutatis maledictis
track: Requiem: Requiem: XIII. 12. Coro. Lacrimosa
track: Miserere B-Dur: Miserere B-Dur: 4. Duetto (A, T). Asperges me hyssopo
track: Miserere B-Dur: Miserere B-Dur: 7. Terzetto (S, A, B). Libera me

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xa5cdc99330e16e0164aefffb66f544bbac3d65a0da82b8963a3cd415d2506c08

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957120

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957120

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141025060

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:22:41Z

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 0xa5cdc99330e16e0164aefffb66f544bbac3d65a0da82b8963a3cd415d2506c08. 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/FRZ141025060.
date published: 2026-07-08T03:22:41Z

Requiem: Requiem: 5. Aria (A). Quid sum miser
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 102.615
additional property: Musical Key
  type: PropertyValue
  value: 5
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.252
additional property: Energy
  type: PropertyValue
  value: 0.036
additional property: Speechiness
  type: PropertyValue
  value: 0.044
additional property: Acousticness
  type: PropertyValue
  value: 0.986
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.231
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.18
additional property: Loudness (dB)
  type: PropertyValue
  value: -24.981
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Minor

Requiem: Requiem: VIII. 7. Coro. Juste judex ultionis
type: MusicRecording
duration: PT2M12S
duration ms: 132680
explicit: false
by artist: Johann Christian Bach
by artist: RIAS Kammerchor
by artist: Akademie für Alte Musik Berlin
by artist: Hans-Christoph Rademann
in album: Johann Christian Bach: Requiem
  type: MusicAlbum
  date published: 2011-10-25
genre: classical
isrc code: FRZ141025080
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:14:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb7cf0bf624f65936edb8f19d07a4a7cd432e04b2eb13bf0586d27f13c9757644
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957075
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957075
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141025080
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T17:29:31Z
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 0xb7cf0bf624f65936edb8f19d07a4a7cd432e04b2eb13bf0586d27f13c9757644. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-21T17:29:31Z), 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/FRZ141025080.
  date published: 2026-07-21T17:29:31Z
audio: Requiem: Requiem: VIII. 7. Coro. Juste judex ultionis
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.768
  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: 0.224
  additional property: Energy
    type: PropertyValue
    value: 0.155
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.052
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.553
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Minor

Requiem: Requiem: 8. Aria (T). Ingemisco
type: MusicRecording
duration: PT3M43S
duration ms: 223333
explicit: false
by artist: Johann Christian Bach
by artist: Colin Balzer
by artist: Akademie für Alte Musik Berlin
by artist: Hans-Christoph Rademann
in album: Johann Christian Bach: Requiem
  type: MusicAlbum
  date published: 2011-10-25
genre: classical
isrc code: FRZ141025090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:01:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xba27a0770c56ef3b5b5a79819ded46ff12abe2d8e1614a2c519eacb3182906bd
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/FRZ141025090
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 0xba27a0770c56ef3b5b5a79819ded46ff12abe2d8e1614a2c519eacb3182906bd. 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/FRZ141025090.
  date published: 2026-07-08T03:20:19Z
audio: Requiem: Requiem: 8. Aria (T). Ingemisco
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.857
  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: 0.318
  additional property: Energy
    type: PropertyValue
    value: 0.029
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
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Six Concertos For Haro And String Trio
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J.C. Bach "La Dolce Fiamma" - Forgotten castrato arias
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track: Bach, JC: Carattaco, T. 221: "Perfida Cartismandua!"
track: Bach, JC: Carattaco, T. 221: "Fra l'orrore di tanto spavento"
track: Bach, JC: Artaserse, T. 217: "Vo solcando un mar crudele"

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T08:56:20Z

Gluck, Bach, JC: Orfeo ed Euridice, T. 234: "La legge accetto, o Dei"
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Bach, JC: Carattaco, T. 221: "Perfida Cartismandua!"
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subject of: OpenTimestamps Proof of Existence
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Bach, JC: Carattaco, T. 221: "Fra l'orrore di tanto spavento"
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subject of: OpenTimestamps Proof of Existence
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Bach, JC: Artaserse, T. 217: "Vo solcando un mar crudele"
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  date published: 2026-07-08T03:53:27Z
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value: https://blockstream.info/api/block-height/956894

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ202200299

OTSTimestamp
type: PropertyValue
value: 2026-07-06T07:53:57Z

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 0xc8813e12b3ad905e127ab5c918b93f6c5c5f07f9d322deb5491df40c479d906a. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ202200299.
date published: 2026-07-06T07:53:57Z

Bach, JS: Magnificat in D Major, BWV 243: I. Chorus. "Magnificat anima mea Dominum"
type: AudioObject
additional property: Tempo (BPM)
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  value: 109.857
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.465
additional property: Energy
  type: PropertyValue
  value: 0.458
additional property: Speechiness
  type: PropertyValue
  value: 0.027
additional property: Acousticness
  type: PropertyValue
  value: 0.819
additional property: Instrumentalness
  type: PropertyValue
  value: 0.617
additional property: Liveness
  type: PropertyValue
  value: 0.25
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.521
additional property: Loudness (dB)
  type: PropertyValue
  value: -16.072
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

Vivaldi: Credo in E Minor, RV 591: I. Credo in unum Deum
type: MusicRecording
duration: PT2M21S
duration ms: 141506
explicit: false
by artist: Antonio Vivaldi
by artist: Michel Corboz
by artist: Ensemble Vocal de Lausanne
by artist: Orchestre de Chambre de Lausanne
in album: The Wizard Corboz
  type: MusicAlbum
  date published: 2025-02-24
isrc code: FRZ207401201
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T05:02:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x61504e03d92da39b520ce45d67a9576d1b71a2ee8719dfb1f22ecbb928f0f731
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956894
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956894
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ207401201
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61504e03d92da39b520ce45d67a9576d1b71a2ee8719dfb1f22ecbb928f0f731. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ207401201.
  date published: 2026-07-06T07:53:57Z
audio: Vivaldi: Credo in E Minor, RV 591: I. Credo in unum Deum
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 136.731
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.474
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.195
  additional property: Liveness
    type: PropertyValue
    value: 0.334
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.428
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.045
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Mozart: Requiem in D Minor, K. 626: VIII. Lacrimosa
type: MusicRecording
duration: PT3M16S
duration ms: 196133
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Michel Corboz
by artist: Ensemble Vocal de Lausanne
by artist: Orchestre de Chambre de Genève
in album: The Wizard Corboz
  type: MusicAlbum
  date published: 2025-02-24
genre: classical
genre: classical-era
isrc code: GBAYC9503474
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T21:07:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8303a402b5b78436589250ae38c7cc1a5357ade243c0c1c6a169f64980b872f0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957032
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957032
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503474
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T11:43:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8303a402b5b78436589250ae38c7cc1a5357ade243c0c1c6a169f64980b872f0. Chain 2 (Bitcoin): anchored in block 957032 (2026-07-07T11:43:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503474.
  date published: 2026-07-07T11:43:09Z
audio: Mozart: Requiem in D Minor, K. 626: VIII. Lacrimosa
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.855
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.097
  additional property: Energy
    type: PropertyValue
    value: 0.04
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.566
  additional property: Liveness
    type: PropertyValue
    value: 0.076
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.913
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Piano Concerto No. 5 in F Minor, BWV 1056: II. Largo
type: MusicRecording
duration: PT3M13S
duration ms: 193346
explicit: false
by artist: Johann Sebastian Bach
by artist: Maria João Pires
by artist: Michel Corboz
by artist: Orquestra Gulbenkian
in album: The Wizard Corboz
  type: MusicAlbum
  date published: 2025-02-24
genre: classical
genre: classical-piano
isrc code: FRZ207601602
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T13:29:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x22cdb92bb0a00e9fbbb034f7e3063381fc72d278dde29cd1e728fdf938e7fc1c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ207601602
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
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 0x22cdb92bb0a00e9fbbb034f7e3063381fc72d278dde29cd1e728fdf938e7fc1c. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ207601602.
  date published: 2026-07-07T18:39:05Z
audio: Bach, JS: Piano Concerto No. 5 in F Minor, BWV 1056: II. Largo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.772
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.459
  additional property: Energy
    type: PropertyValue
    value: 0.005
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.898
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.165
  additional property: Loudness (dB)
    type: PropertyValue
    value: -38.49
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Charpentier: Beatus vir, H. 224: II. Beatus vir
type: MusicRecording
duration: PT1M18S
duration ms: 78520
explicit: false
by artist: Marc-Antoine Charpentier
by artist: Michel Corboz
by artist: Philippe Huttenlocher
by artist: Orquestra Gulbenkian
in album: The Wizard Corboz
  type: MusicAlbum
  date published: 2025-02-24
genre: classical
genre: early-music
genre: baroque
genre: french-baroque
isrc code: FRZ202200152
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T21:47:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x04d12e485a983cafa4fea3f9c4058c05c309d7db1856003e1ad0f707a90cc422
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/FRZ202200152
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 0x04d12e485a983cafa4fea3f9c4058c05c309d7db1856003e1ad0f707a90cc422. 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/FRZ202200152.
  date published: 2026-07-08T03:20:19Z
audio: Charpentier: Beatus vir, H. 224: II. Beatus vir
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.626
  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: 0.319
  additional property: Energy
    type: PropertyValue
    value: 0.053
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.911
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.724
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.366
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.5
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Monteverdi: L'Orfeo, SV 318, Act A: "Rosa del ciel, vita del mondo" (Orfeo)
type: MusicRecording
duration: PT1M52S
duration ms: 112666
explicit: false
by artist: Claudio Monteverdi
by artist: Michel Corboz
by artist: Gino Quilico
by artist: Orchestre de l'Opéra de Lyon
in album: The Wizard Corboz
  type: MusicAlbum
  date published: 2025-02-24
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: italian-renaissance
genre: madrigal
genre: renaissance
isrc code: FRZ208512703
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T06:26:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe210e8c2ef14a76f138d23a46499626f6a7831bc656cb663421abca3297158f5
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208512703
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe210e8c2ef14a76f138d23a46499626f6a7831bc656cb663421abca3297158f5. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208512703.
  date published: 2026-07-06T06:56:49Z
audio: Monteverdi: L'Orfeo, SV 318, Act A: "Rosa del ciel, vita del mondo" (Orfeo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.184
  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: 0.473
  additional property: Energy
    type: PropertyValue
    value: 0.155
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.938
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.214
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Gabrieli, G: Sacrae symphoniae, Liber I: No. 1, Cantate Domino, C. 6
type: MusicRecording
duration: PT2M25S
duration ms: 145160
explicit: false
by artist: Giovanni Gabrieli
by artist: Michel Corboz
by artist: Coro Gulbenkian
by artist: Orquestra Gulbenkian
in album: The Wizard Corboz
  type: MusicAlbum
  date published: 2025-02-24
isrc code: FRZ202200262
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:16:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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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/FRZ202200262
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 0x7d56954fd78c9c4b7d94d76e0b3e9d83c504d8f835f686b3198e228e6bf8e147. 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/FRZ202200262.
  date published: 2026-07-08T03:20:19Z
audio: Gabrieli, G: Sacrae symphoniae, Liber I: No. 1, Cantate Domino, C. 6
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.862
  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: 0.205
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.858
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.065
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.309
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Minor

Schubert: Stabat Mater in F Minor, D. 383: No. 1, Chor. "Jesus Christus schwebt am Kreuzel"
type: MusicRecording
duration: PT3M1S
duration ms: 181306
explicit: false
by artist: Franz Schubert
by artist: Michel Corboz
by artist: Ensemble Vocal de Lausanne
by artist: Orchestre de Chambre de Lausanne
in album: The Wizard Corboz
  type: MusicAlbum
  date published: 2025-02-24
genre: classical
genre: classical-piano
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subject of: OpenTimestamps Proof of Existence
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audio: Schubert: Stabat Mater in F Minor, D. 383: No. 1, Chor. "Jesus Christus schwebt am Kreuzel"
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Mozart: Requiem in D Minor, K. 626: I. Introitus
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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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Bach, JC: Keyboard Concerto in C Major, Op. 7 No. 1: II. Menuetto
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  date published: 2026-07-08T03:53:27Z
audio: Bach, JC: Keyboard Concerto in C Major, Op. 7 No. 1: II. Menuetto
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Bach, JS: Piano Concerto No. 4 in A Major, BWV 1055: III. Allegro ma non tanto
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  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Piano Concerto No. 4 in A Major, BWV 1055: III. Allegro ma non tanto
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Poulenc: Gloria, FP 177: III. Domine Deus
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  date published: 2026-07-08T03:20:19Z
audio: Poulenc: Gloria, FP 177: III. Domine Deus
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Vivaldi: Kyrie in G Minor, RV 587: I. Kyrie eleison
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  date published: 2026-07-08T03:53:27Z
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Puccini: Messa di Gloria: I. Kyrie
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Beethoven: Mass in C Major, Op. 86: I. Kyrie
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by artist: Michel Brodard
by artist: Orquestra Gulbenkian
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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: Beethoven: Mass in C Major, Op. 86: I. Kyrie
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Fauré: Requiem, Op. 48: VI. Libera me
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by artist: Michel Corboz
by artist: Ensemble Instrumental de Lausanne
by artist: Ensemble Vocal de Lausanne
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Fauré: Requiem, Op. 48: VI. Libera me
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Charpentier: Messe pour les trépassés, H. 2: V. Symphonie - Agnus Dei
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by artist: Michel Corboz
by artist: Coro Gulbenkian
by artist: Fernando Serafim
by artist: John Elwes
by artist: Michel Brodard
by artist: Orquestra Gulbenkian
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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: Charpentier: Messe pour les trépassés, H. 2: V. Symphonie - Agnus Dei
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Mendelssohn: Paulus, Op. 36, MWV A14: Overture
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by artist: Michel Corboz
by artist: Orquestra Gulbenkian
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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: Mendelssohn: Paulus, Op. 36, MWV A14: Overture
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Bach, JS: Piano Concerto No. 1 in D Minor, BWV 1052: I. Allegro
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by artist: Orquestra Gulbenkian
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Bach, JS: Piano Concerto No. 1 in D Minor, BWV 1052: I. Allegro
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Bach, JS: Mass in B Minor, BWV 232: Kyrie eleison I
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by artist: Ensemble Instrumental de Lausanne
by artist: Ensemble Vocal de Lausanne
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Bach, JS: Mass in B Minor, BWV 232: Kyrie eleison I
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'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T12:53:06Z
  audio: Bach, JS: Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91f4c0b9bc7b5e7c27ee4b1d6ab216e7d4dded7f0b8777f2c3ae4cebe0c3b3b3. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400069.
  date published: 2026-06-13T15:41:10Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro, Pt. 1
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.252
  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: 0.399
  additional property: Energy
    type: PropertyValue
    value: 0.171
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.91
  additional property: Liveness
    type: PropertyValue
    value: 0.142
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.381
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.152
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro, Pt. 2
type: MusicRecording
duration: PT0M41S
duration ms: 41066
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-era
isrc code: DEA802400070
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T04:38:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x382bfe07271b5688763c751a85157a93ab5934358fadda72b62b1362776ccb2f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400070
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x382bfe07271b5688763c751a85157a93ab5934358fadda72b62b1362776ccb2f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400070.
  date published: 2026-06-13T15:41:10Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro, Pt. 2
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.197
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.375
  additional property: Energy
    type: PropertyValue
    value: 0.101
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.85
  additional property: Liveness
    type: PropertyValue
    value: 0.437
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.137
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.772
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro, Pt. 3
type: MusicRecording
duration: PT0M43S
duration ms: 43040
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-era
isrc code: DEA802400071
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T06:41:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb0cee57b4eaf55744dd7a32e64cb2fce5b58f65502bfa904e6de6630be9c8c78
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400071
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0cee57b4eaf55744dd7a32e64cb2fce5b58f65502bfa904e6de6630be9c8c78. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400071.
  date published: 2026-06-13T15:41:10Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro, Pt. 3
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.389
  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: 0.323
  additional property: Energy
    type: PropertyValue
    value: 0.253
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.948
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.911
  additional property: Liveness
    type: PropertyValue
    value: 0.534
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.63
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.85
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro, Pt. 4
type: MusicRecording
duration: PT0M48S
duration ms: 48680
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-era
isrc code: DEA802400072
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T06:41:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb1a132c41102ec49eeaa2b441eaa28f406ce42756032a4c18bc7ea4f0b46ab89
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400072
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1a132c41102ec49eeaa2b441eaa28f406ce42756032a4c18bc7ea4f0b46ab89. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400072.
  date published: 2026-06-13T15:41:10Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro, Pt. 4
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.165
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.346
  additional property: Energy
    type: PropertyValue
    value: 0.218
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.763
  additional property: Liveness
    type: PropertyValue
    value: 0.385
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.355
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.425
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro, Pt. 5
type: MusicRecording
duration: PT0M38S
duration ms: 38760
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-era
isrc code: DEA802400073
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T19:01:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0df548f1d4a18a066618ddcde4500b47a862c6e09fca9ceb336086bf98996d7c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400073
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0df548f1d4a18a066618ddcde4500b47a862c6e09fca9ceb336086bf98996d7c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400073.
  date published: 2026-06-13T17:25:41Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro, Pt. 5
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.116
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.392
  additional property: Energy
    type: PropertyValue
    value: 0.224
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.943
  additional property: Liveness
    type: PropertyValue
    value: 0.782
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.48
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.326
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro, Pt. 6
type: MusicRecording
duration: PT0M37S
duration ms: 37000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-era
isrc code: DEA802400074
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T14:42:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x04a9ce0552179acdd17a38ef351753c70e9772886899b3e511a4db25218d71db
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400074
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04a9ce0552179acdd17a38ef351753c70e9772886899b3e511a4db25218d71db. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400074.
  date published: 2026-06-13T15:41:10Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro, Pt. 6
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.828
  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: 0.367
  additional property: Energy
    type: PropertyValue
    value: 0.374
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.258
  additional property: Liveness
    type: PropertyValue
    value: 0.854
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.184
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.096
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro, Pt. 7
type: MusicRecording
duration: PT0M37S
duration ms: 37640
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-era
isrc code: DEA802400075
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T06:34:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x671246d98e5364f8895211f8319640154855cb8b595bc6d8453ede38ccd32bbe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400075
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x671246d98e5364f8895211f8319640154855cb8b595bc6d8453ede38ccd32bbe. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400075.
  date published: 2026-06-13T15:41:10Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro, Pt. 7
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.98
  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: 0.341
  additional property: Energy
    type: PropertyValue
    value: 0.054
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.853
  additional property: Liveness
    type: PropertyValue
    value: 0.183
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.315
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.129
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro, Pt. 8
type: MusicRecording
duration: PT0M35S
duration ms: 35920
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-era
isrc code: DEA802400076
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T18:58:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd64ff89fa377cd83b0adc13dcc8dd2136aa149a3ae3b9673754080463b19a152
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400076
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd64ff89fa377cd83b0adc13dcc8dd2136aa149a3ae3b9673754080463b19a152. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400076.
  date published: 2026-06-13T13:32:09Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro, Pt. 8
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.652
  additional property: Liveness
    type: PropertyValue
    value: 0.407
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.559
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.411
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro, Pt. 9
type: MusicRecording
duration: PT0M37S
duration ms: 37933
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-era
isrc code: DEA802400077
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T16:29:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x83fe4b1233952328f2a44686a122e90194c1af927b90f83bf440cc09661f08e3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400077
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83fe4b1233952328f2a44686a122e90194c1af927b90f83bf440cc09661f08e3. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400077.
  date published: 2026-06-13T13:32:09Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro, Pt. 9
  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
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.88
  additional property: Key Name
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  additional property: Mode Name
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Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro, Pt. 10
type: MusicRecording
duration: PT0M40S
duration ms: 40533
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-era
isrc code: DEA802400078
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T06:37:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1034dbd936773827f3198b00c8e1a4ce9a94db7a656446936ecf3c83fe3075ee
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400078
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1034dbd936773827f3198b00c8e1a4ce9a94db7a656446936ecf3c83fe3075ee. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400078.
  date published: 2026-06-13T15:41:10Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro, Pt. 10
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.249
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  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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    value: 0.282
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.258
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Mozart: Requiem in D Minor, K. 626: Kyrie
type: MusicRecording
duration: PT2M42S
duration ms: 162173
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Konzertvereinigung der Wiener Staatsopernchor
by artist: Concentus Musicus Wien
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-era
isrc code: DEA802100178
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T18:57:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x69da78810217044ea2fb9f7e0a646b9370e5de4db6f7cf5ab08492ffb667e76c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802100178
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69da78810217044ea2fb9f7e0a646b9370e5de4db6f7cf5ab08492ffb667e76c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802100178.
  date published: 2026-06-13T13:32:09Z
audio: Mozart: Requiem in D Minor, K. 626: Kyrie
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.04
  additional property: Musical Key
    type: PropertyValue
    value: 5
  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: 0.387
  additional property: Energy
    type: PropertyValue
    value: 0.26
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.508
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.551
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.758
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
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Mozart: Requiem in D Minor, K. 626: Dies irae
type: MusicRecording
duration: PT1M51S
duration ms: 111586
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Konzertvereinigung der Wiener Staatsopernchor
by artist: Concentus Musicus Wien
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-era
isrc code: DEA802100179
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T16:24:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf2dfc99ba9ce16cd1feb5d78fa8ffb04772124f160dda8f72d8bd280cd737a1f
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802100179
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2dfc99ba9ce16cd1feb5d78fa8ffb04772124f160dda8f72d8bd280cd737a1f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802100179.
  date published: 2026-06-13T13:32:09Z
audio: Mozart: Requiem in D Minor, K. 626: Dies irae
  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
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
    value: 0.411
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.297
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.154
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Mozart: Requiem in D Minor, K. 626: Lacrimosa
type: MusicRecording
duration: PT2M56S
duration ms: 176226
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Konzertvereinigung der Wiener Staatsopernchor
by artist: Concentus Musicus Wien
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-era
isrc code: DEA802100184
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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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/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802100184
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c4d24c5b5afbc3643f929a9e106566998bd2b49a7f5c4f282430557a25b0934. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802100184.
  date published: 2026-06-13T13:32:09Z
audio: Mozart: Requiem in D Minor, K. 626: Lacrimosa
  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: 0.174
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    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)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Mozart: Requiem in D Minor, K. 626: Sanctus
type: MusicRecording
duration: PT1M28S
duration ms: 88426
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Konzertvereinigung der Wiener Staatsopernchor
by artist: Concentus Musicus Wien
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-era
isrc code: DEA802100187
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
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9013b07fed3279af37cdb0af6f392737dd34cb33436de65b78edd14bdd377897. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802100187.
  date published: 2026-06-13T15:41:10Z
audio: Mozart: Requiem in D Minor, K. 626: Sanctus
  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
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.221
  additional property: Energy
    type: PropertyValue
    value: 0.179
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.175
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.35
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Haydn: Armida, Hob. XXVIII:12, Act 1: Marcia
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by artist: Concentus Musicus Wien
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
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Bach, JS: Orchestral Suite No. 2 in B Minor, BWV 1067: II. Rondeau
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by artist: Nikolaus Harnoncourt
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Bach, JS: Orchestral Suite No. 2 in B Minor, BWV 1067: II. Rondeau
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Bach, JS: Orchestral Suite No. 2 in B Minor, BWV 1067: VI. Menuet
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Bach, JS: Orchestral Suite No. 2 in B Minor, BWV 1067: VI. Menuet
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Fux: Concentus musico-instrumentalis, Op. 1: Sinfonia No. 2 in F Major: II. La joye des fidels sujets
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Fux: Concentus musico-instrumentalis, Op. 1: Sinfonia No. 2 in F Major: II. La joye des fidels sujets
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Fux: Concentus musico-instrumentalis, Op. 1: Sinfonia No. 2 in F Major: III. Aria italiana - Aire francoise
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Fux: Concentus musico-instrumentalis, Op. 1: Sinfonia No. 2 in F Major: III. Aria italiana - Aire francoise
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Fux: Concentus musico-instrumentalis, Op. 1: Sinfonia No. 2 in F Major: IV. Les enemis confus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Fux: Concentus musico-instrumentalis, Op. 1: Sinfonia No. 2 in F Major: IV. Les enemis confus
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Monteverdi: L'Orfeo, SV 318, Act 3: Sinfonia
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Monteverdi: L'Orfeo, SV 318, Act 3: Sinfonia
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
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  additional property: Key Name
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Fux: Concentus musico-instrumentalis, Op. 1: Serenada a 8: XII. Rigadon
type: MusicRecording
duration: PT0M51S
duration ms: 51440
explicit: false
by artist: Johann Joseph Fux
by artist: Nikolaus Harnoncourt
by artist: Concentus Musicus Wien
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
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  date published: 2025-02-20
genre: baroque
isrc code: DEA807000112
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA807000112
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1f0d64d76d50aec482e56a81b3e483f792c5041366b95e38b078de447be285a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA807000112.
  date published: 2026-06-13T13:32:09Z
audio: Fux: Concentus musico-instrumentalis, Op. 1: Serenada a 8: XII. Rigadon
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Monteverdi: L'Orfeo, SV 318, Act 4: Sinfonia
type: MusicRecording
duration: PT0M39S
duration ms: 39760
explicit: false
by artist: Claudio Monteverdi
by artist: Nikolaus Harnoncourt
by artist: Concentus Musicus Wien
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: italian-renaissance
genre: madrigal
genre: renaissance
isrc code: DEA806804055
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA806804055
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40b62c3440f6d3ae26a3738fddb964afda3e9e03360b64fdbfbadc0556b287b0. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA806804055.
  date published: 2026-06-13T15:41:10Z
audio: Monteverdi: L'Orfeo, SV 318, Act 4: Sinfonia
  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
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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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Bach, JS: Musikalisches Opfer, BWV 1079: Canon a 2 violini in unisono
type: MusicRecording
duration: PT0M57S
duration ms: 57626
explicit: false
by artist: Johann Sebastian Bach
by artist: Concentus Musicus Wien
by artist: Nikolaus Harnoncourt
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-piano
isrc code: DEA807001804
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA807001804
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f8927b50ffcdc01a8d77fb03de638fd4172ac10bdd90f84b64fca89e12ec0c8. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA807001804.
  date published: 2026-06-13T15:41:10Z
audio: Bach, JS: Musikalisches Opfer, BWV 1079: Canon a 2 violini in unisono
  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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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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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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  additional property: Mode Name
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Bach, JS: Musikalisches Opfer, BWV 1079: Canon a 2 per augmentationem, contrario motu
type: MusicRecording
duration: PT1M53S
duration ms: 113666
explicit: false
by artist: Johann Sebastian Bach
by artist: Concentus Musicus Wien
by artist: Nikolaus Harnoncourt
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-piano
isrc code: DEA807001806
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA807001806
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfee03ff766c2ce13053599b56cf354d716ee039950bf83589aecd41b6939e30. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA807001806.
  date published: 2026-06-13T13:32:09Z
audio: Bach, JS: Musikalisches Opfer, BWV 1079: Canon a 2 per augmentationem, contrario motu
  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
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.102
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.246
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Bach, JS: Musikalisches Opfer, BWV 1079: Canon a 2 per tonos
type: MusicRecording
duration: PT2M26S
duration ms: 146599
explicit: false
by artist: Johann Sebastian Bach
by artist: Concentus Musicus Wien
by artist: Nikolaus Harnoncourt
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-piano
isrc code: DEA807001807
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA807001807
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa034d90a75905a2b2cb9c8d57a1e2c81b152a06c3d5268f7f9719c337f192c21. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA807001807.
  date published: 2026-06-13T15:41:10Z
audio: Bach, JS: Musikalisches Opfer, BWV 1079: Canon a 2 per tonos
  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
    type: PropertyValue
    value: 0.171
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.812
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.76
  additional property: Key Name
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  additional property: Mode Name
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Bach, JS: Musikalisches Opfer, BWV 1079: Fuga canonica in epidiapente
type: MusicRecording
duration: PT1M54S
duration ms: 114333
explicit: false
by artist: Johann Sebastian Bach
by artist: Concentus Musicus Wien
by artist: Nikolaus Harnoncourt
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-piano
isrc code: DEA807001808
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T04:00:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA807001808
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b4740b2a43701be4bd0e5383012de837b9f56d0f7b1a08b6e0bf6122dd90cbf. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA807001808.
  date published: 2026-06-13T15:41:10Z
audio: Bach, JS: Musikalisches Opfer, BWV 1079: Fuga canonica in epidiapente
  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
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.449
  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
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Bach, JS: Musikalisches Opfer, BWV 1079: Quaerendo invenietis. Canon a 2
type: MusicRecording
duration: PT1M26S
duration ms: 86373
explicit: false
by artist: Johann Sebastian Bach
by artist: Concentus Musicus Wien
by artist: Nikolaus Harnoncourt
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-piano
isrc code: DEA807001810
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
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Bach, JS: Musikalisches Opfer, BWV 1079: Quaerendo invenietis. Canon a 4
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by artist: Nikolaus Harnoncourt
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Bach, JS: Musikalisches Opfer, BWV 1079: Quaerendo invenietis. Canon a 4
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Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 1
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by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 1
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Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 2
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by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 2
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Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 3
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by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 3
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Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 4
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by artist: Royal Concertgebouw Orchestra
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
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genre: classical
genre: classical-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-17T19:07:14Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 4
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Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 5
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by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
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genre: classical
genre: classical-era
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additional property: CopyrightID
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-17T19:07:14Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 5
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Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 6
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by artist: Royal Concertgebouw Orchestra
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genre: classical
genre: classical-era
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb446e8ee3165504d192136fff3ced04ae4b8cef9454e43f68b2c7f5af322ef57. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400084.
  date published: 2026-06-13T13:32:09Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 6
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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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    value: 0.088
  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.519
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 7
type: MusicRecording
duration: PT0M45S
duration ms: 45546
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-era
isrc code: DEA802400085
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400085
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x063a8339a289f859a56531c352ab4d184f6e9a5793fcffad35d0d23756af6fc1. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400085.
  date published: 2026-06-13T15:41:10Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 7
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  additional property: Mode (Major/Minor)
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  additional property: Energy
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 8
type: MusicRecording
duration: PT0M55S
duration ms: 55640
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-era
isrc code: DEA802400086
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400086
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 0xa45d1a5adf8e787c5c8b36e3c829aa78d1950cd28c0f9310dcf0c36b054c654f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400086.
  date published: 2026-07-02T03:55:08Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 8
  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
    type: PropertyValue
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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)
    type: PropertyValue
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  additional property: Key Name
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Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 9
type: MusicRecording
duration: PT0M44S
duration ms: 44653
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-era
isrc code: DEA802400087
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400087
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 0x43212bd7322e80e86b6204a8c91282038b6987b81b8c9a37398a3cabd55b6501. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400087.
  date published: 2026-07-02T03:55:08Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 9
  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
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 10
type: MusicRecording
duration: PT0M51S
duration ms: 51133
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-era
isrc code: DEA802400088
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/0x701ca31395b4d3461111bc0be05a836e083f855d804d162f8c1625664f2c1f47
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400088
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x701ca31395b4d3461111bc0be05a836e083f855d804d162f8c1625664f2c1f47. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400088.
  date published: 2026-07-02T03:55:08Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 10
  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
    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
    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)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 11
type: MusicRecording
duration: PT0M39S
duration ms: 39493
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-era
isrc code: DEA802400089
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96f79a42e5d063975aff161d94f9a5bb89806e315a924370cf3fbedcc0e95af9. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400089.
  date published: 2026-07-02T03:30:09Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 11
  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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    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
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Mode Name
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Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 12
type: MusicRecording
duration: PT0M36S
duration ms: 36693
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-era
isrc code: DEA802400090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x723eac9ec43e239a01199bd05e19f58f85726cb5a7ed142745798139104f78b2. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA802400090.
  date published: 2026-07-02T03:55:08Z
audio: Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 12
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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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)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Mozart: Symphony No. 40 in G Minor, K. 550: II. Andante, Pt. 13
type: MusicRecording
duration: PT0M39S
duration ms: 39773
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Royal Concertgebouw Orchestra
in album: 'Badinerie' - Bach, Handel, Vivaldi, Mozart, Beethoven
  type: MusicAlbum
  date published: 2025-02-20
genre: classical
genre: classical-era
isrc code: DEA802400091
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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track: Concerto a 5 in B flat, Op. 9, No. 1 for Violin, Strings, and Continuo: 2. Adagio
track: Concerto for Strings and Continuo in D minor, RV 129: 1. Adagio
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track: Concerto for 2 Recorders in A Minor, TWV 52:a2: II. Vistement (Ed. F. Stein)
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track: Concerto for 2 Recorders in A Minor, TWV 52:a2: IV. Vivement (Ed. F. Stein)
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track: Pavan No. 5 in G minor a 4, Z.752
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track: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 1 in D Major for 4 Violins, RV 549: 2. Largo e Spiccato
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track: 12 Violin Concertos, Op. 4 - "La stravaganza" - Concerto No. 6 in G Minor, RV 316a: 1. Allegro
track: Overture No. 6 in D major: 1. Allegro con spirito

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subject of: OpenTimestamps Proof of Existence
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Concerto for Strings and Continuo in D minor, RV 129: 1. Adagio
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Concerto for Strings and Continuo in D minor, RV 129: 2. Allegro
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Concerto for Strings and Continuo in D minor, RV 129: 3. Adagio
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Concerto for Strings and Continuo in D minor, RV 129: 4. Allegro
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Concerto Grosso Op. 3, No. 1: 3. Adagio
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Concerto Grosso Op. 3, No. 1: 4. Allegro
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Overture No. 6 in D major: 3. Allegro assai
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  value: https://explorer.copyrightchains.com/tx/0x0ec4315bcf90d734eeba448a717814d3486d02e05a5f66c5f9f1875cc92016bd
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 957052
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957052
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077740518
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:50:41Z
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 0x0ec4315bcf90d734eeba448a717814d3486d02e05a5f66c5f9f1875cc92016bd. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/GBF077740518.
  date published: 2026-07-07T14:50:41Z
audio: Overture No. 6 in D major: 3. Allegro assai
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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: 0.506
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.902
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
    value: 0.082
  additional property: Valence (Positivity)
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    value: 0.608
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Concerto for 2 Recorders in A Minor, TWV 52:a2: II. Vistement (Ed. F. Stein)
type: MusicRecording
duration: PT1M46S
duration ms: 106333
explicit: false
by artist: Georg Philipp Telemann
by artist: Amsterdam Loeki Stardust Quartet
by artist: Academy of Ancient Music
by artist: Christopher Hogwood
in album: Academy of Ancient Music - Baroque Essentials
  type: MusicAlbum
  date published: 2024-11-18
isrc code: GBF079243510
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x6ea2c5a981fcf9ec3acc1127673e2fbad969be588801450703cb60fd888b218b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079243510
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
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 0x6ea2c5a981fcf9ec3acc1127673e2fbad969be588801450703cb60fd888b218b. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079243510.
  date published: 2026-07-07T18:39:05Z
audio: Concerto for 2 Recorders in A Minor, TWV 52:a2: II. Vistement (Ed. F. Stein)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.478
  additional property: Energy
    type: PropertyValue
    value: 0.108
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.854
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.629
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.094
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Concerto for 2 Recorders in A Minor, TWV 52:a2: III. Largement (Ed. F. Stein)
type: MusicRecording
duration: PT2M23S
duration ms: 143333
explicit: false
by artist: Georg Philipp Telemann
by artist: Amsterdam Loeki Stardust Quartet
by artist: Academy of Ancient Music
by artist: Christopher Hogwood
in album: Academy of Ancient Music - Baroque Essentials
  type: MusicAlbum
  date published: 2024-11-18
isrc code: GBF079243511
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T05:31:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x593684cdfcf09dfa6641825224cf0dc0a31613e60a984f6d18d16ab06940815d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956891
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956891
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079243511
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:16:32Z
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 0x593684cdfcf09dfa6641825224cf0dc0a31613e60a984f6d18d16ab06940815d. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/GBF079243511.
  date published: 2026-07-06T07:16:32Z
audio: Concerto for 2 Recorders in A Minor, TWV 52:a2: III. Largement (Ed. F. Stein)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.566
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.125
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.026
  additional property: Liveness
    type: PropertyValue
    value: 0.123
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.155
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.333
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Concerto for 2 Recorders in A Minor, TWV 52:a2: IV. Vivement (Ed. F. Stein)
type: MusicRecording
duration: PT2M19S
duration ms: 139000
explicit: false
by artist: Georg Philipp Telemann
by artist: Amsterdam Loeki Stardust Quartet
by artist: Academy of Ancient Music
by artist: Christopher Hogwood
in album: Academy of Ancient Music - Baroque Essentials
  type: MusicAlbum
  date published: 2024-11-18
isrc code: GBF079243512
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T07:35:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8054a83d61ac8dfcf94efc9bbfe907ba9ace5313c5128745f3c7c81aceb0b011
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957084
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957084
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079243512
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T17:09:23Z
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 0x8054a83d61ac8dfcf94efc9bbfe907ba9ace5313c5128745f3c7c81aceb0b011. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-21T17:09:23Z), 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/GBF079243512.
  date published: 2026-07-21T17:09:23Z
audio: Concerto for 2 Recorders in A Minor, TWV 52:a2: IV. Vivement (Ed. F. Stein)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.488
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.682
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.014
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.664
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.473
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
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Concerto for 2 Recorders in B-Flat Major, TWV 52:B1: II. Vivace (Ed. W. Birke)
type: MusicRecording
duration: PT1M46S
duration ms: 106986
explicit: false
by artist: Georg Philipp Telemann
by artist: Amsterdam Loeki Stardust Quartet
by artist: Academy of Ancient Music
by artist: Christopher Hogwood
in album: Academy of Ancient Music - Baroque Essentials
  type: MusicAlbum
  date published: 2024-11-18
isrc code: GBF079243517
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T07:00:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x11cd51412423105b7dc2dec1718d7d77295ea6a5f6ed5dea344f532fa74b0b5b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957055
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957055
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079243517
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T15:12:44Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11cd51412423105b7dc2dec1718d7d77295ea6a5f6ed5dea344f532fa74b0b5b. Chain 2 (Bitcoin): anchored in block 957055 (2026-07-07T15:12:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079243517.
  date published: 2026-07-07T15:12:44Z
audio: Concerto for 2 Recorders in B-Flat Major, TWV 52:B1: II. Vivace (Ed. W. Birke)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.881
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.617
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.11
  additional property: Liveness
    type: PropertyValue
    value: 0.154
  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.909
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Concerto for 2 Recorders in B-Flat Major, TWV 52:B1: III. Tendrement (Ed. W. Birke)
type: MusicRecording
duration: PT2M3S
duration ms: 123506
explicit: false
by artist: Georg Philipp Telemann
by artist: Amsterdam Loeki Stardust Quartet
by artist: Academy of Ancient Music
by artist: Christopher Hogwood
in album: Academy of Ancient Music - Baroque Essentials
  type: MusicAlbum
  date published: 2024-11-18
isrc code: GBF079243518
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T06:17:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1225cd90096ede82682193f56b6b0f76e3216e812a569ec4d2174da1a2cce332
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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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/GBF079243518
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1225cd90096ede82682193f56b6b0f76e3216e812a569ec4d2174da1a2cce332. 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/GBF079243518.
  date published: 2026-07-08T03:22:41Z
audio: Concerto for 2 Recorders in B-Flat Major, TWV 52:B1: III. Tendrement (Ed. W. Birke)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.47
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Concerto for 2 Recorders in B-Flat Major, TWV 52:B1: IV. Gayement (Ed. W. Birke)
type: MusicRecording
duration: PT2M12S
duration ms: 132666
explicit: false
by artist: Georg Philipp Telemann
by artist: Amsterdam Loeki Stardust Quartet
by artist: Academy of Ancient Music
by artist: Christopher Hogwood
in album: Academy of Ancient Music - Baroque Essentials
  type: MusicAlbum
  date published: 2024-11-18
isrc code: GBF079243519
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x118cbdca33e9ab7cbae17615bf0dd4b1bca6359502aba71e49bf7eee932a40aa. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-21T16:51:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079243519.
  date published: 2026-07-21T16:51:46Z
audio: Concerto for 2 Recorders in B-Flat Major, TWV 52:B1: IV. Gayement (Ed. W. Birke)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.573
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.851
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.912
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.745
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Pavan No. 1 in A major, Z.748
type: MusicRecording
duration: PT3M31S
duration ms: 211173
explicit: false
by artist: Henry Purcell
by artist: Christopher Hogwood
by artist: Academy of Ancient Music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-21T16:30:47Z
audio: Pavan No. 1 in A major, Z.748
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Pavan No. 2 in A minor, Z.749
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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: Pavan No. 2 in A minor, Z.749
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Pavan No. 5 in G minor a 4, Z.752
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by artist: Christopher Hogwood
by artist: Academy of Ancient Music
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Pavan No. 5 in G minor a 4, Z.752
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 1 in D Major for 4 Violins, RV 549: 1. Allegro
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by artist: Elizabeth Wilcock
by artist: John Holloway
by artist: Monica Huggett
by artist: Catherine Mackintosh
by artist: Academy of Ancient Music
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 1 in D Major for 4 Violins, RV 549: 1. Allegro
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 1 in D Major for 4 Violins, RV 549: 2. Largo e Spiccato
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by artist: Catherine Mackintosh
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T09:18:01Z
audio: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 1 in D Major for 4 Violins, RV 549: 2. Largo e Spiccato
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 2 in G Minor for 2 Violins and Cello, RV 578: 1. Adagio e Spiccato
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by artist: Susan Sheppard
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:53:57Z
audio: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 2 in G Minor for 2 Violins and Cello, RV 578: 1. Adagio e Spiccato
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 2 in G Minor for 2 Violins and Cello, RV 578: 2. Allegro
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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
audio: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 2 in G Minor for 2 Violins and Cello, RV 578: 2. Allegro
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 2 in G Minor for 2 Violins and Cello, RV 578: 3. Larghetto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T11:02:43Z
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 2 in G Minor for 2 Violins and Cello, RV 578: 4. Allegro
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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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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 8 in A Minor for 2 Violins, RV 522: 3. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 8 in A Minor for 2 Violins, RV 522: 3. Allegro
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 9 in D Major for Violin, RV 230: 2. Larghetto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 9 in D Major for Violin, RV 230: 2. Larghetto
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Concerto Grosso Op. 3, No. 2: 1. Largo e staccato
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Concerto Grosso Op. 3, No. 2: 2. Allegro
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  date published: 2026-07-08T03:20:19Z
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Concerto Grosso Op. 3, No. 2: 3. Adagio
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12 Violin Concertos, Op. 4 - "La stravaganza" - Concerto No. 6 in G Minor, RV 316a: 1. Allegro
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Opus V
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Bach, JC: Fortepiano Concertos, Op. 7
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Bach, J.C.: 6 Keyboard Concertos, Op. 13
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3 Bach Magnificats: J.S. Bach, J.C. Bach & C.P.E. Bach
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Magnificat, H. 772: I. Chorus. Magnificat
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Johann Christian Bach: Six quartettos for Carl Friedrich Abel
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    date published: 2026-07-02T05:09:12Z
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track: Toccata & Fugue in D Minor, BWV 565
track: Violin Partita No. 3 in E Major, BWV 1006: Gavotte
track: Concerto for Violin, Strings and Basso Continuo in A Minor, BWV 1041: I. (No Tempo Indication)
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OpenTimestamps Proof of Existence
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Toccata & Fugue in D Minor, BWV 565
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Concerto for Violin, Strings and Basso Continuo in A Minor, BWV 10411: II. Andante
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Concerto for Violin, Strings and Basso Continuo in A Minor, BWV 1041: III. Allegro assai
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Orchestral Suite No. 3 in D Major, BWV 1068: Air
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