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description: Giuseppe Tartini (8 April 1692 – 26 February 1770) was an Italian composer and violinist of the Baroque era born in Pirano in the Republic of Venice (now Piran, Slovenia). Tartini was a prolific compo
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  track: Sonata in F Major, Op.1 No.12; B.F4: No. 11, Variation 8 (Transcr. and embellishments by Luca Astolfoni Fossi)
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    audio: Sonata in F Major, Op.1 No.12; B.F4: No. 11, Variation 8 (Transcr. and embellishments by Luca Astolfoni Fossi)
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album: Italian Flute Concertos: Vivaldi, Tartini, Sammartini, Pergolesi & Galuppi
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  track: Tartini: Flute Concerto No. 2 in G Major: II. Andante
  track: Tartini: Flute Concerto No. 2 in G Major: III. Allegro
  track: Sammartini: Flute Concerto in F Major: I. Allegro
  track: Sammartini: Flute Concerto in F Major: II. Siciliano
  track: Sammartini: Flute Concerto in F Major: III. Allegro assai
  track: Vivaldi: Chamber Concerto in A Minor, RV 108: I. Allegro
  track: Vivaldi: Chamber Concerto in A Minor, RV 108: II. Largo
  track: Vivaldi: Chamber Concerto in A Minor, RV 108: III. Allegro
  track: Pergolesi: Flute Concerto in G Major, P. 33: I. Allegro moderato (Also Attributed to Paganelli)
  track: Pergolesi: Flute Concerto in G Major, P. 33: II. Adagio (Also Attributed to Paganelli)
  track: Pergolesi: Flute Concerto in G Major, P. 33: III. Allegro spiritoso (Also Attributed to Paganelli)
  track: Galuppi: Flute Concerto in D Major: I. Allegro
  track: Galuppi: Flute Concerto in D Major: II. Adagio
  track: Galuppi: Flute Concerto in D Major: III. Allegro assai
album: Tartini: Violin Concertos, Vol. 2
album: Tartini: Violin Concertos, Vol. 1
album: Al-Bunduqiyya – The Lost Concerto
album: Tartini: Violin Concertos
album: Concertos & Sonatas on the Viol
album: Tartini: Flute Concertos & Sonatas
album: Great Violin Sonatas by Franck, Brahms, Beethoven, Mozart...
album: Purcell, Albinoni, Telemann, Handel, Tartini & Vivaldi
album: Baroque Music
album: Giuseppe Tartini: Lieto ti prendo e poi: Solo Violin Sonatas Inspired by Tasso's Poetry
album: Tartini: Trio Sonatas
album: 'Diavolo': Giuseppe Tartini - 6 Violin Sonatas
album: Electronic Tartini
album: Giuseppe Tartini: Il Trillo del Diavolo & L’arte dell’arco (Transcr. and embellishments by Luca Astolfoni Fossi)
album: Giuseppe Tartini: 6 Sonate Op. 3 & 1 Sonata per flauto traverso e cembalo
album: Classic Hertz Giuseppe Tartini Best
album: Tartini: Violin Concertos D80, 96 & 125, Violin Sonata "Devil's Thrill"
album: Giuseppe Tartini
album: Giuseppe Tartini: Violin Concertos
album: L'arte dell'arco: Cinquanta variazioni sulla gavotta più bella del Corelli (435 Hz)
album: Giuseppe Tartini: Vertigo (The Last Violin Sonatas)
album: Giuseppe Tartini: Quattro sonate à Quattro
album: Tartini: Sonatas for Solo Violin, Vol. 2
album: Tartini: Hoc Modo Parvae Caritate
album: Tartini: Violin Concertos, Sonatas
album: Meneghini - Concertoni a quattro parti (Transr. for Orchestra by Giulio Meneghini)
album: Tartini: 30 Sonate piccole, Vol. 5
album: Tartini: 4-parts Sonatas and Sinfonias
album: Tartini: Sonate, Op. I
album: Tartini: 30 Sonate piccole, Vol. 4
album: Tartini: Violin Sonatas, Vol. 2
album: Tartini's Violin - Sonatas for Violin and Basso Continuo, Vol. 1
album: TARTINI Secondo Natura
album: Tartini: 30 Sonate piccole for Solo Violin, Vol. 3
album: Tartini: Violin Concertos Box Set
album: Tartini: Devil's Trill Sonata; Violin Concertos D12, D51, D80, & D115
album: Fritz Kreisler: Music for Violin and Piano
album: Tartini: 30 Sonate piccole, Vol. 2, Sonatas Nos. 7-12
album: The Flute Master

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Tartini: Flute Concerto No. 2 in G Major: II. Andante
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Tartini: Flute Concerto No. 2 in G Major: III. Allegro
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6219bf20784d61f0d4707f8f8718021c2d3638e246e8fbdeb84c05869906f6b8. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ201500177.
  date published: 2026-07-29T19:35:34Z
audio: Sammartini: Flute Concerto in F Major: I. Allegro
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Sammartini: Flute Concerto in F Major: II. Siciliano
type: MusicRecording
duration: PT5M35S
duration ms: 335306
explicit: false
by artist: Giuseppe Sammartini
by artist: Jean-Pierre Rampal
by artist: Karl Ristenpart
by artist: Kammerorchester des Saarländischen Rundfunks
in album: Italian Flute Concertos: Vivaldi, Tartini, Sammartini, Pergolesi & Galuppi
  type: MusicAlbum
  date published: 2023-03-31
isrc code: FRZ201500178
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ201500178
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T06:39:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8016bec1af723434c11e48bd3a3bdbd36facaf1a5c078301cc24a674572268b7. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ201500178.
  date published: 2026-07-30T06:39:12Z
audio: Sammartini: Flute Concerto in F Major: II. Siciliano
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Acousticness
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  additional property: Loudness (dB)
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    value: -21.91
  additional property: Key Name
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Sammartini: Flute Concerto in F Major: III. Allegro assai
type: MusicRecording
duration: PT3M51S
duration ms: 231986
explicit: false
by artist: Giuseppe Sammartini
by artist: Jean-Pierre Rampal
by artist: Karl Ristenpart
by artist: Kammerorchester des Saarländischen Rundfunks
in album: Italian Flute Concertos: Vivaldi, Tartini, Sammartini, Pergolesi & Galuppi
  type: MusicAlbum
  date published: 2023-03-31
isrc code: FRZ201500179
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/FRZ201500179
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc36ecf48b6f1731634b9369d70563b93e45a7d6dbe5130ac6d8e02ef7f82bf69. 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/FRZ201500179.
  date published: 2026-07-02T03:55:08Z
audio: Sammartini: Flute Concerto in F Major: III. Allegro assai
  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: 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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Vivaldi: Chamber Concerto in A Minor, RV 108: I. Allegro
type: MusicRecording
duration: PT2M56S
duration ms: 176360
explicit: false
by artist: Antonio Vivaldi
by artist: Jean-Pierre Rampal
by artist: Karl Ristenpart
by artist: Kammerorchester des Saarländischen Rundfunks
in album: Italian Flute Concertos: Vivaldi, Tartini, Sammartini, Pergolesi & Galuppi
  type: MusicAlbum
  date published: 2023-03-31
isrc code: FRZ201500180
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
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ201500180
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:44:50Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc72ec3f6a8679c1c142146444db86c8536fc007504d705457e8d66632474dc9c. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/FRZ201500180.
  date published: 2026-07-30T14:44:50Z
audio: Vivaldi: Chamber Concerto in A Minor, RV 108: I. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Vivaldi: Chamber Concerto in A Minor, RV 108: II. Largo
type: MusicRecording
duration: PT3M28S
duration ms: 208586
explicit: false
by artist: Antonio Vivaldi
by artist: Jean-Pierre Rampal
by artist: Karl Ristenpart
by artist: Kammerorchester des Saarländischen Rundfunks
in album: Italian Flute Concertos: Vivaldi, Tartini, Sammartini, Pergolesi & Galuppi
  type: MusicAlbum
  date published: 2023-03-31
isrc code: FRZ201500181
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d7ba4c2a82838c8361c61b53c5a56b639a6d6a31da5cc705261b6e375fe5489. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/FRZ201500181.
  date published: 2026-07-31T04:14:58Z
audio: Vivaldi: Chamber Concerto in A Minor, RV 108: II. Largo
  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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    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: Liveness
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  additional property: Valence (Positivity)
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    value: 0.084
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.764
  additional property: Key Name
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  additional property: Mode Name
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Vivaldi: Chamber Concerto in A Minor, RV 108: III. Allegro
type: MusicRecording
duration: PT2M43S
duration ms: 163946
explicit: false
by artist: Antonio Vivaldi
by artist: Jean-Pierre Rampal
by artist: Karl Ristenpart
by artist: Kammerorchester des Saarländischen Rundfunks
in album: Italian Flute Concertos: Vivaldi, Tartini, Sammartini, Pergolesi & Galuppi
  type: MusicAlbum
  date published: 2023-03-31
isrc code: FRZ201500182
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/960209
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ201500182
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T05:15:54Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd9f6314011777ba1c4897c2e8908207cc151b86536693a18236f7a87480af91. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/FRZ201500182.
  date published: 2026-07-30T05:15:54Z
audio: Vivaldi: Chamber Concerto in A Minor, RV 108: III. Allegro
  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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Pergolesi: Flute Concerto in G Major, P. 33: I. Allegro moderato (Also Attributed to Paganelli)
type: MusicRecording
duration: PT4M6S
duration ms: 246000
explicit: false
by artist: Giovanni Battista Pergolesi
by artist: Jean-Pierre Rampal
by artist: Karl Ristenpart
by artist: Kammerorchester des Saarländischen Rundfunks
in album: Italian Flute Concertos: Vivaldi, Tartini, Sammartini, Pergolesi & Galuppi
  type: MusicAlbum
  date published: 2023-03-31
genre: classical
genre: choral
genre: requiem
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48fbbb238a242ead439d1995e2f0ef138da16d7136443a38a7a84d21cb6c7e27. 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/FRZ201500183.
  date published: 2026-07-08T03:20:19Z
audio: Pergolesi: Flute Concerto in G Major, P. 33: I. Allegro moderato (Also Attributed to Paganelli)
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 129.32
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Pergolesi: Flute Concerto in G Major, P. 33: III. Allegro spiritoso (Also Attributed to Paganelli)
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Galuppi: Flute Concerto in D Major: I. Allegro
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Galuppi: Flute Concerto in D Major: II. Adagio
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Galuppi: Flute Concerto in D Major: III. Allegro assai
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Tartini: Violin Concertos, Vol. 2
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Tartini: Violin Concertos, Vol. 1
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Al-Bunduqiyya – The Lost Concerto
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    date published: 2026-07-29T11:46:30Z
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track: Sollima: Il concerto perduto: I. Allegro (After Vivaldi's Cello Concerto, RV 787 "Per Teresa")
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  subject of: OpenTimestamps Proof of Existence
  audio: Sollima: Il concerto perduto: I. Allegro (After Vivaldi's Cello Concerto, RV 787 "Per Teresa")
track: Sollima: Il concerto perduto: II. Andante (After Vivaldi's Cello Concerto, RV 787 "Per Teresa")
track: Sollima: Il concerto perduto: III. Allegro molto (After Vivaldi's Cello Concerto, RV 787 "Per Teresa")
track: Sollima: Improvisation I
track: Vivaldi: Concerto for Violin and Cello in F Major, RV 544 "Proteo o sia il mondo al rovescio": I. Allegro
track: Vivaldi: Concerto for Violin and Cello in F Major, RV 544 "Proteo o sia il mondo al rovescio": II. Largo
track: Vivaldi: Concerto for Violin and Cello in F Major, RV 544 "Proteo o sia il mondo al rovescio": III. Allegro
track: Moj E Bukura More (Arr. Sollima)
track: Tartini: 26 Violin Sonatas: No. 12 in G Major, B. G2: Aria del Tasso e gondoliera. "Lieto ti prendo e poi" (Transcr. Sollima for Cello and Orchestra)
track: Kartsilamades: No. 3, Allegro (Arr. Sollima)
track: Sollima: Improvisation IV
track: Vivaldi: Concerto for Violin and Cello in B-Flat Major, RV 547: I. Allegro
track: Vivaldi: Concerto for Violin and Cello in B-Flat Major, RV 547: II. Andante
track: Vivaldi: Concerto for Violin and Cello in B-Flat Major, RV 547: III. Allegro molto
track: Kartsilamades: No. 2, Moderato (Arr. Sollima)
track: Vivaldi: Dorilla in Tempe, RV 709, Sinfonia: I. Allegro
track: Vivaldi: Dorilla in Tempe, RV 709, Sinfonia: II. Andante
track: Vivaldi: Dorilla in Tempe, RV 709, Sinfonia: III. Allegro
track: Sollima: Improvisation V
track: Vivaldi: Violin Concerto in D Major, RV 208 "Grosso Mogul": II. Recitativo
track: Sollima: Improvisation II
track: Vivaldi: Concerto for Violin and Cello in A Major, RV 546 "All'inglese": I. Allegro
track: Vivaldi: Concerto for Violin and Cello in A Major, RV 546 "All'inglese": II. Andante
track: Vivaldi: Concerto for Violin and Cello in A Major, RV 546 "All'inglese": III. Allegro
track: Sollima: When We Were Trees: The Family Tree
track: Sollima: Improvisation III

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date published: 2026-07-02T03:55:08Z

Sollima: Il concerto perduto: I. Allegro (After Vivaldi's Cello Concerto, RV 787 "Per Teresa")
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Sollima: Il concerto perduto: II. Andante (After Vivaldi's Cello Concerto, RV 787 "Per Teresa")
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T11:30:20Z
audio: Sollima: Il concerto perduto: II. Andante (After Vivaldi's Cello Concerto, RV 787 "Per Teresa")
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Sollima: Il concerto perduto: III. Allegro molto (After Vivaldi's Cello Concerto, RV 787 "Per Teresa")
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Sollima: Il concerto perduto: III. Allegro molto (After Vivaldi's Cello Concerto, RV 787 "Per Teresa")
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Sollima: Improvisation I
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T21:09:47Z
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T15:39:05Z
audio: Vivaldi: Concerto for Violin and Cello in F Major, RV 544 "Proteo o sia il mondo al rovescio": II. Largo
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Vivaldi: Concerto for Violin and Cello in F Major, RV 544 "Proteo o sia il mondo al rovescio": III. Allegro
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by artist: Giovanni Sollima
by artist: Il Pomo D'oro
by artist: Federico Guglielmo
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
audio: Vivaldi: Concerto for Violin and Cello in F Major, RV 544 "Proteo o sia il mondo al rovescio": III. Allegro
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Moj E Bukura More (Arr. Sollima)
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by artist: Giovanni Sollima
by artist: Traditional
by artist: Il Pomo D'oro
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popularity: 6
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T11:07:37Z
audio: Moj E Bukura More (Arr. Sollima)
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Tartini: 26 Violin Sonatas: No. 12 in G Major, B. G2: Aria del Tasso e gondoliera. "Lieto ti prendo e poi" (Transcr. Sollima for Cello and Orchestra)
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by artist: Giovanni Sollima
by artist: Il Pomo D'oro
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T23:23:05Z
audio: Tartini: 26 Violin Sonatas: No. 12 in G Major, B. G2: Aria del Tasso e gondoliera. "Lieto ti prendo e poi" (Transcr. Sollima for Cello and Orchestra)
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Kartsilamades: No. 3, Allegro (Arr. Sollima)
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by artist: Il Pomo D'oro
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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: Kartsilamades: No. 3, Allegro (Arr. Sollima)
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Sollima: Improvisation IV
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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: Sollima: Improvisation IV
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Vivaldi: Concerto for Violin and Cello in B-Flat Major, RV 547: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T02:37:10Z
audio: Vivaldi: Concerto for Violin and Cello in B-Flat Major, RV 547: I. Allegro
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Vivaldi: Concerto for Violin and Cello in B-Flat Major, RV 547: II. Andante
type: MusicRecording
duration: PT1M41S
duration ms: 101493
explicit: false
by artist: Antonio Vivaldi
by artist: Giovanni Sollima
by artist: Il Pomo D'oro
by artist: Federico Guglielmo
in album: Al-Bunduqiyya – The Lost Concerto
  type: MusicAlbum
  date published: 2024-03-01
popularity: 4
isrc code: GBAYC2302352
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T01:22:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9e73393d0054517383813937adfe55a061ac5ab77859f2c0e2b4ea757dc7472e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960185
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960185
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2302352
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T01:32:48Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e73393d0054517383813937adfe55a061ac5ab77859f2c0e2b4ea757dc7472e. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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/GBAYC2302352.
  date published: 2026-07-30T01:32:48Z
audio: Vivaldi: Concerto for Violin and Cello in B-Flat Major, RV 547: II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.085
  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: 0.225
  additional property: Energy
    type: PropertyValue
    value: 0.062
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.899
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.367
  additional property: Liveness
    type: PropertyValue
    value: 0.176
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.291
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.022
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vivaldi: Concerto for Violin and Cello in B-Flat Major, RV 547: III. Allegro molto
type: MusicRecording
duration: PT2M37S
duration ms: 157386
explicit: false
by artist: Antonio Vivaldi
by artist: Giovanni Sollima
by artist: Il Pomo D'oro
by artist: Federico Guglielmo
in album: Al-Bunduqiyya – The Lost Concerto
  type: MusicAlbum
  date published: 2024-03-01
popularity: 4
isrc code: GBAYC2302353
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T17:55:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2803dd6f85c8a27a2b14ec5bd073d47f97c117dd24412e5b97b28ed27d8d84d7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960291
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960291
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2302353
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T18:23:33Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2803dd6f85c8a27a2b14ec5bd073d47f97c117dd24412e5b97b28ed27d8d84d7. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/GBAYC2302353.
  date published: 2026-07-30T18:23:33Z
audio: Vivaldi: Concerto for Violin and Cello in B-Flat Major, RV 547: III. Allegro molto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 152.5
  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: 0.407
  additional property: Energy
    type: PropertyValue
    value: 0.389
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.759
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.928
  additional property: Liveness
    type: PropertyValue
    value: 0.077
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.693
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.287
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kartsilamades: No. 2, Moderato (Arr. Sollima)
type: MusicRecording
duration: PT2M15S
duration ms: 135853
explicit: false
by artist: Traditional
by artist: Giovanni Sollima
by artist: Il Pomo D'oro
in album: Al-Bunduqiyya – The Lost Concerto
  type: MusicAlbum
  date published: 2024-03-01
popularity: 3
genre: bhajan
genre: gregorian-chant
genre: medieval
genre: traditional-music
isrc code: GBAYC2302354
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:35:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5250d3ea88e9e62718af92adc9e44d49d6e0f235ce01476d3f06e7e4e2a3baa0
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/GBAYC2302354
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5250d3ea88e9e62718af92adc9e44d49d6e0f235ce01476d3f06e7e4e2a3baa0. 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/GBAYC2302354.
  date published: 2026-07-08T03:20:19Z
audio: Kartsilamades: No. 2, Moderato (Arr. Sollima)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.655
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.331
  additional property: Energy
    type: PropertyValue
    value: 0.276
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.875
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.728
  additional property: Liveness
    type: PropertyValue
    value: 0.345
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.294
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.023
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vivaldi: Dorilla in Tempe, RV 709, Sinfonia: I. Allegro
type: MusicRecording
duration: PT2M0S
duration ms: 120293
explicit: false
by artist: Antonio Vivaldi
by artist: Giovanni Sollima
by artist: Il Pomo D'oro
in album: Al-Bunduqiyya – The Lost Concerto
  type: MusicAlbum
  date published: 2024-03-01
popularity: 4
isrc code: GBAYC2302355
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T07:22:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd9f1ca657fec8fb617f36ef7f4c99e96069dacd720e554dc5d27dfbe6f7582ca
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960220
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960220
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2302355
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T07:28:30Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9f1ca657fec8fb617f36ef7f4c99e96069dacd720e554dc5d27dfbe6f7582ca. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/GBAYC2302355.
  date published: 2026-07-30T07:28:30Z
audio: Vivaldi: Dorilla in Tempe, RV 709, Sinfonia: I. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.273
  additional property: Musical Key
    type: PropertyValue
    value: 6
  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: 0.399
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.821
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.927
  additional property: Liveness
    type: PropertyValue
    value: 0.304
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.545
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.247
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vivaldi: Dorilla in Tempe, RV 709, Sinfonia: II. Andante
type: MusicRecording
duration: PT2M6S
duration ms: 126920
explicit: false
by artist: Antonio Vivaldi
by artist: Giovanni Sollima
by artist: Il Pomo D'oro
in album: Al-Bunduqiyya – The Lost Concerto
  type: MusicAlbum
  date published: 2024-03-01
popularity: 11
isrc code: GBAYC2302356
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T05:01:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7b2980460dc5945daa431c70cb61ee5e34d4d71c6d666041be776d1f33ea22dd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
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/GBAYC2302356
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b2980460dc5945daa431c70cb61ee5e34d4d71c6d666041be776d1f33ea22dd. 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/GBAYC2302356.
  date published: 2026-07-02T03:55:08Z
audio: Vivaldi: Dorilla in Tempe, RV 709, Sinfonia: II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.552
  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: 0.358
  additional property: Energy
    type: PropertyValue
    value: 0.085
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.818
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.784
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.184
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.508
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vivaldi: Dorilla in Tempe, RV 709, Sinfonia: III. Allegro
type: MusicRecording
duration: PT0M32S
duration ms: 32706
explicit: false
by artist: Antonio Vivaldi
by artist: Giovanni Sollima
by artist: Il Pomo D'oro
in album: Al-Bunduqiyya – The Lost Concerto
  type: MusicAlbum
  date published: 2024-03-01
popularity: 7
isrc code: GBAYC2302357
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:29:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3546409b682579ceaa6fd9f1dab51042b84e4921b700d9196fd881dd81c222eb
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/GBAYC2302357
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3546409b682579ceaa6fd9f1dab51042b84e4921b700d9196fd881dd81c222eb. 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/GBAYC2302357.
  date published: 2026-07-08T03:20:19Z
audio: Vivaldi: Dorilla in Tempe, RV 709, Sinfonia: III. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.406
  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: 0.707
  additional property: Energy
    type: PropertyValue
    value: 0.298
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.766
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.992
  additional property: Liveness
    type: PropertyValue
    value: 0.066
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.138
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.43
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sollima: Improvisation V
type: MusicRecording
duration: PT1M16S
duration ms: 76213
explicit: false
by artist: Giovanni Sollima
in album: Al-Bunduqiyya – The Lost Concerto
  type: MusicAlbum
  date published: 2024-03-01
popularity: 4
genre: minimalism
isrc code: GBAYC2302358
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:35:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc412d6c616d81e73e22a661cd825d3fe4d3943b44734a336718598fd73c44c86
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/GBAYC2302358
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc412d6c616d81e73e22a661cd825d3fe4d3943b44734a336718598fd73c44c86. 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/GBAYC2302358.
  date published: 2026-07-08T03:20:19Z
audio: Sollima: Improvisation V
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Vivaldi: Violin Concerto in D Major, RV 208 "Grosso Mogul": II. Recitativo
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duration: PT2M41S
duration ms: 161866
explicit: false
by artist: Antonio Vivaldi
by artist: Giovanni Sollima
by artist: Il Pomo D'oro
in album: Al-Bunduqiyya – The Lost Concerto
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popularity: 3
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47f01530cd3c650eaa588b2c374df417a29499aa4c6e89a23b491612bd007445. 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/GBAYC2302359.
  date published: 2026-07-08T03:20:19Z
audio: Vivaldi: Violin Concerto in D Major, RV 208 "Grosso Mogul": II. Recitativo
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Sollima: Improvisation II
type: MusicRecording
duration: PT0M52S
duration ms: 52173
explicit: false
by artist: Giovanni Sollima
in album: Al-Bunduqiyya – The Lost Concerto
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  date published: 2024-03-01
popularity: 3
genre: minimalism
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ee702ccf6f86289dc72220a3e7a3101fe62d96818cda68641aa4a18c359450b. 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/GBAYC2302360.
  date published: 2026-07-08T03:20:19Z
audio: Sollima: Improvisation II
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Vivaldi: Concerto for Violin and Cello in A Major, RV 546 "All'inglese": I. Allegro
type: MusicRecording
duration: PT3M17S
duration ms: 197960
explicit: false
by artist: Antonio Vivaldi
by artist: Giovanni Sollima
by artist: Il Pomo D'oro
by artist: Federico Guglielmo
in album: Al-Bunduqiyya – The Lost Concerto
  type: MusicAlbum
  date published: 2024-03-01
popularity: 4
isrc code: GBAYC2302361
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: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Vivaldi: Concerto for Violin and Cello in A Major, RV 546 "All'inglese": I. Allegro
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Vivaldi: Concerto for Violin and Cello in A Major, RV 546 "All'inglese": II. Andante
type: MusicRecording
duration: PT2M41S
duration ms: 161906
explicit: false
by artist: Antonio Vivaldi
by artist: Giovanni Sollima
by artist: Il Pomo D'oro
by artist: Federico Guglielmo
in album: Al-Bunduqiyya – The Lost Concerto
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  date published: 2024-03-01
popularity: 3
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:26:26Z
audio: Vivaldi: Concerto for Violin and Cello in A Major, RV 546 "All'inglese": II. Andante
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Vivaldi: Concerto for Violin and Cello in A Major, RV 546 "All'inglese": III. Allegro
type: MusicRecording
duration: PT2M53S
duration ms: 173146
explicit: false
by artist: Antonio Vivaldi
by artist: Giovanni Sollima
by artist: Il Pomo D'oro
by artist: Federico Guglielmo
in album: Al-Bunduqiyya – The Lost Concerto
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  date published: 2024-03-01
popularity: 3
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29e3fe5eb0af2db6a016fc12d852a6ada7adce7666d92db6abf056fb5e7ab526. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/GBAYC2302363.
  date published: 2026-07-31T00:26:26Z
audio: Vivaldi: Concerto for Violin and Cello in A Major, RV 546 "All'inglese": III. Allegro
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Sollima: When We Were Trees: The Family Tree
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duration: PT4M29S
duration ms: 269600
explicit: false
by artist: Giovanni Sollima
by artist: Il Pomo D'oro
in album: Al-Bunduqiyya – The Lost Concerto
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  date published: 2024-03-01
popularity: 5
genre: minimalism
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a0d2374d4a7196e3a01a672c7827945126e8d07e2337310a6d4364d27e9cb34. 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/GBAYC2302364.
  date published: 2026-07-08T03:20:19Z
audio: Sollima: When We Were Trees: The Family Tree
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  additional property: Mode (Major/Minor)
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Sollima: Improvisation III
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duration: PT0M49S
duration ms: 49653
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by artist: Giovanni Sollima
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  date published: 2024-03-01
popularity: 3
genre: minimalism
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Concertos & Sonatas on the Viol
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Tartini: Flute Concertos & Sonatas
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    date published: 2026-07-31T18:48:12Z
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date published: 2026-07-31T23:51:35Z

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track: Albinoni: Trattenimenti armonici, Op. 6: Trumpet Concerto No. 11 in B-Flat Major "San Marco": I. Grave (Arr. Thilde After Violin Sonata)
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track: Purcell: Timon of Athens, Z. 632, Overture: I. Grave - Allegro
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track: Purcell: Timon of Athens, Z. 632, Overture: III. March
track: Purcell: Trumpet Sonata in D Major, Z. 850: I. Allegro
track: Purcell: Trumpet Sonata in D Major, Z. 850: II. Adagio
track: Purcell: Trumpet Sonata in D Major, Z. 850: III. Allegro
track: Telemann: Trumpet Concerto in D Major, TWV 51:D7: I. Adagio
track: Telemann: Trumpet Concerto in D Major, TWV 51:D7: II. Allegro
track: Telemann: Trumpet Concerto in D Major, TWV 51:D7: III. Grave
track: Telemann: Trumpet Concerto in D Major, TWV 51:D7: IV. Allegro
track: Handel: Trumpet Concerto No. 3 in G Minor, HWV 287: I. Grave (Transcr. of Oboe Concerto)
track: Handel: Trumpet Concerto No. 3 in G Minor, HWV 287: II. Allegro (Transcr. of Oboe Concerto)
track: Handel: Trumpet Concerto No. 3 in G Minor, HWV 287: III. Sarabande. Largo (Transcr. of Oboe Concerto)
track: Handel: Trumpet Concerto No. 3 in G Minor, HWV 287: IV. Allegro (Transcr. of Oboe Concerto)
track: Vivaldi: Concerto for Violin and Trumpet in B-Flat Major, RV 548: I. Allegro
track: Vivaldi: Concerto for Violin and Trumpet in B-Flat Major, RV 548: II. Largo
track: Vivaldi: Concerto for Violin and Trumpet in B-Flat Major, RV 548: III. Allegro
track: Telemann: Trumpet Concerto in C Minor, TWV 51:c1: I. Adagio (Transcr. of Oboe Concerto)
track: Telemann: Trumpet Concerto in C Minor, TWV 51:c1: II. Allegro (Transcr. of Oboe Concerto)
track: Telemann: Trumpet Concerto in C Minor, TWV 51:c1: III. Adagio (Transcr. of Oboe Concerto)
track: Telemann: Trumpet Concerto in C Minor, TWV 51:c1: IV. Allegro (Transcr. of Oboe Concerto)

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  value: https://explorer.copyrightchains.com/tx/0x44ba9d4266c0346fa6fd5203efff0d65e3c75c0ab10fe892517f60adcbe16646
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200900247
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44ba9d4266c0346fa6fd5203efff0d65e3c75c0ab10fe892517f60adcbe16646. 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/FRZ200900247.
  date published: 2026-07-06T06:56:49Z
audio: Purcell: Timon of Athens, Z. 632, Overture: II. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.959
  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: 0.141
  additional property: Energy
    type: PropertyValue
    value: 0.09
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.965
  additional property: Liveness
    type: PropertyValue
    value: 0.259
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.399
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Purcell: Timon of Athens, Z. 632, Overture: III. March
type: MusicRecording
duration: PT1M19S
duration ms: 79653
explicit: false
by artist: Henry Purcell
by artist: Maurice André
by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
in album: Purcell, Albinoni, Telemann, Handel, Tartini & Vivaldi
  type: MusicAlbum
  date published: 2024-08-08
genre: classical
genre: choral
isrc code: FRZ200900248
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T03:14:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcca16f510b6c900640cd4d6b3b6df453d2927be31479b2f280bb0e1c616e795f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200900248
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcca16f510b6c900640cd4d6b3b6df453d2927be31479b2f280bb0e1c616e795f. 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/FRZ200900248.
  date published: 2026-07-06T06:56:49Z
audio: Purcell: Timon of Athens, Z. 632, Overture: III. March
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.392
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.626
  additional property: Energy
    type: PropertyValue
    value: 0.169
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.045
  additional property: Liveness
    type: PropertyValue
    value: 0.078
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.37
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.622
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Purcell: Trumpet Sonata in D Major, Z. 850: I. Allegro
type: MusicRecording
duration: PT1M36S
duration ms: 96133
explicit: false
by artist: Henry Purcell
by artist: Maurice André
by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
in album: Purcell, Albinoni, Telemann, Handel, Tartini & Vivaldi
  type: MusicAlbum
  date published: 2024-08-08
genre: classical
genre: choral
isrc code: FRZ200900243
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T09:52:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe35574d5eaab5b8f09d941892e5bdbc4686443a08b851e4ff0cc4f0b4d2cab63
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
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/FRZ200900243
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe35574d5eaab5b8f09d941892e5bdbc4686443a08b851e4ff0cc4f0b4d2cab63. 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/FRZ200900243.
  date published: 2026-07-02T03:55:08Z
audio: Purcell: Trumpet Sonata in D Major, Z. 850: I. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.585
  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: 0.484
  additional property: Energy
    type: PropertyValue
    value: 0.177
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.492
  additional property: Liveness
    type: PropertyValue
    value: 0.115
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.553
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.746
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Purcell: Trumpet Sonata in D Major, Z. 850: II. Adagio
type: MusicRecording
duration: PT2M19S
duration ms: 139920
explicit: false
by artist: Henry Purcell
by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
in album: Purcell, Albinoni, Telemann, Handel, Tartini & Vivaldi
  type: MusicAlbum
  date published: 2024-08-08
genre: classical
genre: choral
isrc code: FRZ200900244
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T15:33:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf002e501ce4c3722a0cadec7987181f99e3e2bbfb17c8731b252b696664937b8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960125
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960125
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200900244
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T15:38:18Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf002e501ce4c3722a0cadec7987181f99e3e2bbfb17c8731b252b696664937b8. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), 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/FRZ200900244.
  date published: 2026-07-29T15:38:18Z
audio: Purcell: Trumpet Sonata in D Major, Z. 850: II. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.682
  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: 0.273
  additional property: Energy
    type: PropertyValue
    value: 0.022
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.855
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.898
  additional property: Liveness
    type: PropertyValue
    value: 0.158
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.062
  additional property: Loudness (dB)
    type: PropertyValue
    value: -36.085
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Purcell: Trumpet Sonata in D Major, Z. 850: III. Allegro
type: MusicRecording
duration: PT2M24S
duration ms: 144253
explicit: false
by artist: Henry Purcell
by artist: Maurice André
by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
in album: Purcell, Albinoni, Telemann, Handel, Tartini & Vivaldi
  type: MusicAlbum
  date published: 2024-08-08
genre: classical
genre: choral
isrc code: FRZ200900245
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T16:21:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x93e1850dae58b22653491829b5043cd05e3db69b4af35c1ab7a27bf52a3c6cb6
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/FRZ200900245
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93e1850dae58b22653491829b5043cd05e3db69b4af35c1ab7a27bf52a3c6cb6. 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/FRZ200900245.
  date published: 2026-07-07T18:39:05Z
audio: Purcell: Trumpet Sonata in D Major, Z. 850: III. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 181.624
  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: 0.347
  additional property: Energy
    type: PropertyValue
    value: 0.265
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.688
  additional property: Liveness
    type: PropertyValue
    value: 0.191
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.635
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.168
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Telemann: Trumpet Concerto in D Major, TWV 51:D7: I. Adagio
type: MusicRecording
duration: PT2M33S
duration ms: 153053
explicit: false
by artist: Georg Philipp Telemann
by artist: Maurice André
by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
in album: Purcell, Albinoni, Telemann, Handel, Tartini & Vivaldi
  type: MusicAlbum
  date published: 2024-08-08
isrc code: FRZ200900075
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T05:19:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc5198d27a97d68c6061ef56f813a98c8b5171c595591b5ce90e8f705a0251a05
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200900075
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5198d27a97d68c6061ef56f813a98c8b5171c595591b5ce90e8f705a0251a05. 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/FRZ200900075.
  date published: 2026-07-06T06:56:49Z
audio: Telemann: Trumpet Concerto in D Major, TWV 51:D7: I. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.949
  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: 0.121
  additional property: Energy
    type: PropertyValue
    value: 0.17
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.879
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.937
  additional property: Liveness
    type: PropertyValue
    value: 0.063
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.093
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.534
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Telemann: Trumpet Concerto in D Major, TWV 51:D7: II. Allegro
type: MusicRecording
duration: PT2M2S
duration ms: 122360
explicit: false
by artist: Georg Philipp Telemann
by artist: Maurice André
by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
in album: Purcell, Albinoni, Telemann, Handel, Tartini & Vivaldi
  type: MusicAlbum
  date published: 2024-08-08
isrc code: FRZ200900076
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T06:10:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x641caa781f2c9e58814c8316eb2090b992862d4381ed56ebd3e4e7d96de3ff51
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200900076
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x641caa781f2c9e58814c8316eb2090b992862d4381ed56ebd3e4e7d96de3ff51. 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/FRZ200900076.
  date published: 2026-07-06T06:56:49Z
audio: Telemann: Trumpet Concerto in D Major, TWV 51:D7: II. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.074
  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: 0.621
  additional property: Energy
    type: PropertyValue
    value: 0.301
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
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Telemann: Trumpet Concerto in D Major, TWV 51:D7: IV. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T21:09:47Z
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
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Handel: Trumpet Concerto No. 3 in G Minor, HWV 287: III. Sarabande. Largo (Transcr. of Oboe Concerto)
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Vivaldi: Concerto for Violin and Trumpet in B-Flat Major, RV 548: I. Allegro
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T13:09:35Z
audio: Vivaldi: Concerto for Violin and Trumpet in B-Flat Major, RV 548: I. Allegro
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Vivaldi: Concerto for Violin and Trumpet in B-Flat Major, RV 548: II. Largo
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duration: PT3M3S
duration ms: 183133
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by artist: Sir Neville Marriner
by artist: Iona Brown
by artist: Maurice André
by artist: Academy of St. Martin in the Fields
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Vivaldi: Concerto for Violin and Trumpet in B-Flat Major, RV 548: II. Largo
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Vivaldi: Concerto for Violin and Trumpet in B-Flat Major, RV 548: III. Allegro
type: MusicRecording
duration: PT2M16S
duration ms: 136640
explicit: false
by artist: Antonio Vivaldi
by artist: Sir Neville Marriner
by artist: Iona Brown
by artist: Maurice André
by artist: Academy of St. Martin in the Fields
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Vivaldi: Concerto for Violin and Trumpet in B-Flat Major, RV 548: III. Allegro
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Telemann: Trumpet Concerto in C Minor, TWV 51:c1: I. Adagio (Transcr. of Oboe Concerto)
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duration ms: 73200
explicit: false
by artist: Georg Philipp Telemann
by artist: Maurice André
by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
in album: Purcell, Albinoni, Telemann, Handel, Tartini & Vivaldi
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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: 2026-07-29T21:09:47Z
audio: Telemann: Trumpet Concerto in C Minor, TWV 51:c1: I. Adagio (Transcr. of Oboe Concerto)
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Telemann: Trumpet Concerto in C Minor, TWV 51:c1: II. Allegro (Transcr. of Oboe Concerto)
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duration: PT2M24S
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explicit: false
by artist: Georg Philipp Telemann
by artist: Maurice André
by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
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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: Telemann: Trumpet Concerto in C Minor, TWV 51:c1: II. Allegro (Transcr. of Oboe Concerto)
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Telemann: Trumpet Concerto in C Minor, TWV 51:c1: III. Adagio (Transcr. of Oboe Concerto)
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duration: PT1M45S
duration ms: 105040
explicit: false
by artist: Georg Philipp Telemann
by artist: Maurice André
by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
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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: 2026-07-30T06:39:12Z
audio: Telemann: Trumpet Concerto in C Minor, TWV 51:c1: III. Adagio (Transcr. of Oboe Concerto)
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Telemann: Trumpet Concerto in C Minor, TWV 51:c1: IV. Allegro (Transcr. of Oboe Concerto)
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by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
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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: 2026-07-07T09:18:01Z
audio: Telemann: Trumpet Concerto in C Minor, TWV 51:c1: IV. Allegro (Transcr. of Oboe Concerto)
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track: Bach, JS: Cello Suite No. 1 in G Major, BWV 1007: I. Prélude
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  by artist: Mstislav Rostropovich
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    date published: 2024-08-01
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  genre: classical-piano
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  additional property: OTSBitcoinBlock
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06ee4bf183da6321ae326b86eeedf4f772deb5c992072c220473dbf038f3373c. 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/GBRDQ1600002.
    date published: 2026-07-08T03:20:19Z
  audio: Bach, JS: Cello Suite No. 1 in G Major, BWV 1007: I. Prélude
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track: Bach, JS: Cello Suite No. 1 in G Major, BWV 1007: II. Allemande
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  by artist: Mstislav Rostropovich
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-31T22:27:44Z
  audio: Bach, JS: Cello Suite No. 1 in G Major, BWV 1007: II. Allemande
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  by artist: Mstislav Rostropovich
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  subject of: OpenTimestamps Proof of Existence
  audio: Bach, JS: Cello Suite No. 1 in G Major, BWV 1007: III. Courante
track: Bach, JS: Toccata, Adagio and Fugue in C Major, BWV 564: II. Adagio (Arr. Siloti for Cello and Organ)
track: Vivaldi: Cello Concerto in D Minor, RV 406: I. Allegro non molto
track: Vivaldi: Cello Concerto in D Minor, RV 406: II. Andante
track: Vivaldi: Cello Concerto in D Minor, RV 406: III. Minuetto

OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x117e099234469310aa9423254fa1bc670d1b66fa489a6d3cd310b702ff48f3e0. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/GBRDQ1600004.
date published: 2026-07-31T15:20:15Z

Bach, JS: Cello Suite No. 1 in G Major, BWV 1007: III. Courante
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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: Valence (Positivity)
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additional property: Mode Name
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Bach, JS: Toccata, Adagio and Fugue in C Major, BWV 564: II. Adagio (Arr. Siloti for Cello and Organ)
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by artist: Mstislav Rostropovich
by artist: Herbert Tachezi
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genre: classical-piano
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-31T18:48:12Z
audio: Bach, JS: Toccata, Adagio and Fugue in C Major, BWV 564: II. Adagio (Arr. Siloti for Cello and Organ)
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Vivaldi: Cello Concerto in D Minor, RV 406: I. Allegro non molto
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by artist: Mstislav Rostropovich
by artist: Hugh Wolff
by artist: Saint Paul Chamber Orchestra
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additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e5a74c941e47283dcf9474ddafeb0bc8dda7014bd5e2b2cf0bf774bf0abdc97. 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/DEA801600040.
  date published: 2026-07-08T03:20:19Z
audio: Vivaldi: Cello Concerto in D Minor, RV 406: I. Allegro non molto
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  additional property: Speechiness
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Vivaldi: Cello Concerto in D Minor, RV 406: II. Andante
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duration: PT2M55S
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by artist: Mstislav Rostropovich
by artist: Hugh Wolff
by artist: Saint Paul Chamber Orchestra
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bfe7d1d0dacb3969ac0e171d6df3691fc0e7d76bca94e79a6e29d4c58695618. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/DEA801600041.
  date published: 2026-07-31T15:59:18Z
audio: Vivaldi: Cello Concerto in D Minor, RV 406: II. Andante
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Vivaldi: Cello Concerto in D Minor, RV 406: III. Minuetto
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duration: PT3M30S
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by artist: Mstislav Rostropovich
by artist: Hugh Wolff
by artist: Saint Paul Chamber Orchestra
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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date published: 2026-08-01T00:40:43Z

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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x258ddcde187a6db1af2db9390ca491d81734e91595e571d4301bbe5611870f5b. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/GBLLH2478104.
  date published: 2026-07-31T12:24:41Z
audio: 12 Sonatas and a Pastorale, Op. 1 (1734): No. 6, Violin Sonata in D Major, D, B.D12 / GT 2.D12: IV. Allegro
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  additional property: Tempo (BPM)
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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: Valence (Positivity)
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  additional property: Mode Name
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26 Sonatas: No. 9, Violin Sonata in A Major, B.A1 / GT 2.A01: II. Allegro
type: MusicRecording
duration: PT1M56S
duration ms: 116853
explicit: false
by artist: Giuseppe Tartini
by artist: La Serenissima
by artist: Adrian Chandler
in album: 'Diavolo': Giuseppe Tartini - 6 Violin Sonatas
  type: MusicAlbum
  date published: 2024-03-22
genre: classical
genre: baroque
genre: italian-baroque
isrc code: GBLLH2478106
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:19:56+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xc7421e324c06f3f64c4f5241355b1bc8cd483956f71408dba5e0a33582670920
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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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/GBLLH2478106
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7421e324c06f3f64c4f5241355b1bc8cd483956f71408dba5e0a33582670920. 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/GBLLH2478106.
  date published: 2026-07-08T03:20:19Z
audio: 26 Sonatas: No. 9, Violin Sonata in A Major, B.A1 / GT 2.A01: II. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 138.095
  additional property: Musical Key
    type: PropertyValue
    value: 9
  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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    value: 0.656
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.417
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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12 Sonatas and a Pastorale, Op. 1 (1734) No. 7, Violin Sonata in D Major, B.D6 / GT 2.D06: I. Grave
type: MusicRecording
duration: PT4M38S
duration ms: 278573
explicit: false
by artist: Giuseppe Tartini
by artist: La Serenissima
by artist: Adrian Chandler
in album: 'Diavolo': Giuseppe Tartini - 6 Violin Sonatas
  type: MusicAlbum
  date published: 2024-03-22
genre: classical
genre: baroque
genre: italian-baroque
isrc code: GBLLH2478109
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T16:03:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4f1bd6bbf5859061c1dfaacc2b820beb1dd2ff1e9ea6d81e66d2bb35fc7339bc
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960430
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH2478109
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T16:09:41Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f1bd6bbf5859061c1dfaacc2b820beb1dd2ff1e9ea6d81e66d2bb35fc7339bc. Chain 2 (Bitcoin): anchored in block 960430 (2026-07-31T16:09:41Z), 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/GBLLH2478109.
  date published: 2026-07-31T16:09:41Z
audio: 12 Sonatas and a Pastorale, Op. 1 (1734) No. 7, Violin Sonata in D Major, B.D6 / GT 2.D06: I. Grave
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.376
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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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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    value: 0.138
  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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26 Sonatas: No. 6, Violin Sonata in E Minor, B.e1 / GT. 2e01: III. Giga
type: MusicRecording
duration: PT1M44S
duration ms: 104133
explicit: false
by artist: Giuseppe Tartini
by artist: La Serenissima
by artist: Adrian Chandler
in album: 'Diavolo': Giuseppe Tartini - 6 Violin Sonatas
  type: MusicAlbum
  date published: 2024-03-22
genre: classical
genre: baroque
genre: italian-baroque
isrc code: GBLLH2478114
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T16:00:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x55acd047a93172c8db565fe7d95860f89e9fa48ccfb4fdd5efb199e25370d84a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960429
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH2478114
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T16:07:24Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55acd047a93172c8db565fe7d95860f89e9fa48ccfb4fdd5efb199e25370d84a. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), 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/GBLLH2478114.
  date published: 2026-07-31T16:07:24Z
audio: 26 Sonatas: No. 6, Violin Sonata in E Minor, B.e1 / GT. 2e01: III. Giga
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 157.5
  additional property: Musical Key
    type: PropertyValue
    value: 4
  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: 0.502
  additional property: Energy
    type: PropertyValue
    value: 0.072
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  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
    value: 0.826
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.54
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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26 Sonatas: No. 6, Violin Sonata in E Minor, B.e1 / GT. 2e01: IV. Allegro assai
type: MusicRecording
duration: PT4M50S
duration ms: 290186
explicit: false
by artist: Giuseppe Tartini
by artist: La Serenissima
by artist: Adrian Chandler
in album: 'Diavolo': Giuseppe Tartini - 6 Violin Sonatas
  type: MusicAlbum
  date published: 2024-03-22
genre: classical
genre: baroque
genre: italian-baroque
isrc code: GBLLH2478115
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7778924bf6799d48a9ca09e4543999dbe85e3a33a65d57b1f37fefd3065d1407
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/GBLLH2478115
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7778924bf6799d48a9ca09e4543999dbe85e3a33a65d57b1f37fefd3065d1407. 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/GBLLH2478115.
  date published: 2026-07-08T03:22:41Z
audio: 26 Sonatas: No. 6, Violin Sonata in E Minor, B.e1 / GT. 2e01: IV. Allegro assai
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.53
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.408
  additional property: Energy
    type: PropertyValue
    value: 0.029
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.01
  additional property: Liveness
    type: PropertyValue
    value: 0.057
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.298
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.311
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Minor

Violin Sonata in G Minor, B.g5 / GT 2.g05 "Il trillo del Diavolo": I. Andante / Larghetto affettuoso
type: MusicRecording
duration: PT5M11S
duration ms: 311626
explicit: false
by artist: Giuseppe Tartini
by artist: La Serenissima
by artist: Adrian Chandler
in album: 'Diavolo': Giuseppe Tartini - 6 Violin Sonatas
  type: MusicAlbum
  date published: 2024-03-22
genre: classical
genre: baroque
genre: italian-baroque
isrc code: GBLLH2478119
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:47:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcdb4c2160bb0be1d5aee384287b14ed5290f49aa7dbfba59cdb1bd3de70e84f3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960427
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960427
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH2478119
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:59:18Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdb4c2160bb0be1d5aee384287b14ed5290f49aa7dbfba59cdb1bd3de70e84f3. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/GBLLH2478119.
  date published: 2026-07-31T15:59:18Z
audio: Violin Sonata in G Minor, B.g5 / GT 2.g05 "Il trillo del Diavolo": I. Andante / Larghetto affettuoso
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.818
  additional property: Musical Key
    type: PropertyValue
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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
    value: 0.222
  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)
    type: PropertyValue
    value: 0.118
  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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Violin Sonata in G Minor, B.g5 / GT 2.g05 "Il trillo del Diavolo": II. Allegro
type: MusicRecording
duration: PT6M5S
duration ms: 365373
explicit: false
by artist: Giuseppe Tartini
by artist: La Serenissima
by artist: Adrian Chandler
in album: 'Diavolo': Giuseppe Tartini - 6 Violin Sonatas
  type: MusicAlbum
  date published: 2024-03-22
genre: classical
genre: baroque
genre: italian-baroque
isrc code: GBLLH2478120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T16:08:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe33971dc370b8985e8026d91b399e613aa9c9b867639242c6159b5aeee56ec88
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960284
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH2478120
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T17:23:26Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe33971dc370b8985e8026d91b399e613aa9c9b867639242c6159b5aeee56ec88. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/GBLLH2478120.
  date published: 2026-07-30T17:23:26Z
audio: Violin Sonata in G Minor, B.g5 / GT 2.g05 "Il trillo del Diavolo": II. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.205
  additional property: Musical Key
    type: PropertyValue
    value: 7
  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: 0.48
  additional property: Energy
    type: PropertyValue
    value: 0.311
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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Electronic Tartini
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Giuseppe Tartini: Il Trillo del Diavolo & L’arte dell’arco (Transcr. and embellishments by Luca Astolfoni Fossi)
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Classic Hertz Giuseppe Tartini Best
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Tartini: Violin Concertos D80, 96 & 125, Violin Sonata "Devil's Thrill"
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Giuseppe Tartini
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Giuseppe Tartini: Violin Concertos
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L'arte dell'arco: Cinquanta variazioni sulla gavotta più bella del Corelli (435 Hz)
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  by artist: Alessandro Clerici
  in album: L'arte dell'arco: Cinquanta variazioni sulla gavotta più bella del Corelli (435 Hz)
    type: MusicAlbum
    date published: 2020-09-25
  genre: classical
  genre: baroque
  genre: italian-baroque
  isrc code: ITD542001542
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T08:10:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x78ce5f69ffec131d3800fc431a71b68eea7d9c5f2ca773a7136576b9b3273103
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD542001542
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78ce5f69ffec131d3800fc431a71b68eea7d9c5f2ca773a7136576b9b3273103. 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/ITD542001542.
    date published: 2026-07-02T03:30:09Z
  audio: L'arte dell'arco, B. F11: Tema
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 133.892
    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: 0.522
    additional property: Energy
      type: PropertyValue
      value: 0.01
    additional property: Speechiness
      type: PropertyValue
      value: 0.076
    additional property: Acousticness
      type: PropertyValue
      value: 0.988
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.005
    additional property: Liveness
      type: PropertyValue
      value: 0.078
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.864
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.915
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: L'arte dell'arco, B. F11: Variazione No. 1
  type: MusicRecording
  duration: PT1M22S
  duration ms: 82583
  explicit: false
  by artist: Giuseppe Tartini
  by artist: Alessandro Clerici
  in album: L'arte dell'arco: Cinquanta variazioni sulla gavotta più bella del Corelli (435 Hz)
    type: MusicAlbum
    date published: 2020-09-25
  genre: classical
  genre: baroque
  genre: italian-baroque
  isrc code: ITD542001543
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T16:45:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x640885ed2674e2295a71801f20dabc2e134601a652ece2c7c7c2b5af670c0d00
  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/ITD542001543
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x640885ed2674e2295a71801f20dabc2e134601a652ece2c7c7c2b5af670c0d00. 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/ITD542001543.
    date published: 2026-07-08T03:20:19Z
  audio: L'arte dell'arco, B. F11: Variazione No. 1
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 109.942
    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: 0.304
    additional property: Energy
      type: PropertyValue
      value: 0.014
    additional property: Speechiness
      type: PropertyValue
      value: 0.061
    additional property: Acousticness
      type: PropertyValue
      value: 0.982
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.094
    additional property: Liveness
      type: PropertyValue
      value: 0.427
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.764
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.048
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: L'arte dell'arco, B. F11: Variazione No. 3
  type: MusicRecording
  duration: PT1M13S
  duration ms: 73990
  explicit: false
  by artist: Giuseppe Tartini
  by artist: Alessandro Clerici
  in album: L'arte dell'arco: Cinquanta variazioni sulla gavotta più bella del Corelli (435 Hz)
    type: MusicAlbum
    date published: 2020-09-25
  genre: classical
  genre: baroque
  genre: italian-baroque
  isrc code: ITD542001545
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T21:59:42+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: L'arte dell'arco, B. F11: Variazione No. 3
track: L'arte dell'arco, B. F11: Variazione No. 4
track: L'arte dell'arco, B. F11: Variazione No. 23
track: L'arte dell'arco, B. F11: Variazione No. 24
track: L'arte dell'arco, B. F11: Variazione No. 26

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x60e39cd95ce2ee46ba6016e322b846bfb24441c03f36910bf0176562e114e37e

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957118

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD542001545

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

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60e39cd95ce2ee46ba6016e322b846bfb24441c03f36910bf0176562e114e37e. 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/ITD542001545.
date published: 2026-07-08T03:20:19Z

L'arte dell'arco, B. F11: Variazione No. 3
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 111.149
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 6
additional property: Danceability
  type: PropertyValue
  value: 0.441
additional property: Energy
  type: PropertyValue
  value: 0.018
additional property: Speechiness
  type: PropertyValue
  value: 0.054
additional property: Acousticness
  type: PropertyValue
  value: 0.993
additional property: Instrumentalness
  type: PropertyValue
  value: 0.338
additional property: Liveness
  type: PropertyValue
  value: 0.451
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.58
additional property: Loudness (dB)
  type: PropertyValue
  value: -24.045
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

L'arte dell'arco, B. F11: Variazione No. 4
type: MusicRecording
duration: PT1M9S
duration ms: 69710
explicit: false
by artist: Giuseppe Tartini
by artist: Alessandro Clerici
in album: L'arte dell'arco: Cinquanta variazioni sulla gavotta più bella del Corelli (435 Hz)
  type: MusicAlbum
  date published: 2020-09-25
genre: classical
genre: baroque
genre: italian-baroque
isrc code: ITD542001546
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T03:01:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0db1f8fe27160fd7fa2cdf812855a418d72a0d017e4b8001debf7727c63a97a2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD542001546
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0db1f8fe27160fd7fa2cdf812855a418d72a0d017e4b8001debf7727c63a97a2. 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/ITD542001546.
  date published: 2026-07-02T03:30:09Z
audio: L'arte dell'arco, B. F11: Variazione No. 4
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.42
  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: 0.513
  additional property: Energy
    type: PropertyValue
    value: 0.074
  additional property: Speechiness
    type: PropertyValue
    value: 0.083
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.248
  additional property: Liveness
    type: PropertyValue
    value: 0.119
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.914
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.762
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'arte dell'arco, B. F11: Variazione No. 23
type: MusicRecording
duration: PT1M36S
duration ms: 96999
explicit: false
by artist: Giuseppe Tartini
by artist: Alessandro Clerici
in album: L'arte dell'arco: Cinquanta variazioni sulla gavotta più bella del Corelli (435 Hz)
  type: MusicAlbum
  date published: 2020-09-25
genre: classical
genre: baroque
genre: italian-baroque
isrc code: ITD542001565
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:54:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc24293f4a71b8fc4eef3b1bbb0adbc6aa93968e08c98dd2a713e325c5c4a1e3e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
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/ITD542001565
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc24293f4a71b8fc4eef3b1bbb0adbc6aa93968e08c98dd2a713e325c5c4a1e3e. 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/ITD542001565.
  date published: 2026-07-02T03:55:08Z
audio: L'arte dell'arco, B. F11: Variazione No. 23
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 169.347
  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: 0.194
  additional property: Energy
    type: PropertyValue
    value: 0.024
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.566
  additional property: Liveness
    type: PropertyValue
    value: 0.202
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.366
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.068
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'arte dell'arco, B. F11: Variazione No. 24
type: MusicRecording
duration: PT1M11S
duration ms: 71935
explicit: false
by artist: Giuseppe Tartini
by artist: Alessandro Clerici
in album: L'arte dell'arco: Cinquanta variazioni sulla gavotta più bella del Corelli (435 Hz)
  type: MusicAlbum
  date published: 2020-09-25
genre: classical
genre: baroque
genre: italian-baroque
isrc code: ITD542001566
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:34:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc46906799dd9681a5646fa1a1d3a3dd2a6d37435cb9249d8d16500cff86df84f
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/ITD542001566
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc46906799dd9681a5646fa1a1d3a3dd2a6d37435cb9249d8d16500cff86df84f. 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/ITD542001566.
  date published: 2026-07-08T03:20:19Z
audio: L'arte dell'arco, B. F11: Variazione No. 24
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 167.452
  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: 0.291
  additional property: Energy
    type: PropertyValue
    value: 0.009
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.098
  additional property: Liveness
    type: PropertyValue
    value: 0.467
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.76
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.395
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'arte dell'arco, B. F11: Variazione No. 26
type: MusicRecording
duration: PT1M11S
duration ms: 71471
explicit: false
by artist: Giuseppe Tartini
by artist: Alessandro Clerici
in album: L'arte dell'arco: Cinquanta variazioni sulla gavotta più bella del Corelli (435 Hz)
  type: MusicAlbum
  date published: 2020-09-25
genre: classical
genre: baroque
genre: italian-baroque
isrc code: ITD542001568
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T17:55:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf901dac26996dbe820b9d93e0cebbaa8516ce9fffc574881d9ced7d1a0e3685f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960448
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960448
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD542001568
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
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Giuseppe Tartini: Quattro sonate à Quattro
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Tartini: Sonatas for Solo Violin, Vol. 2
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Tartini: Violin Concertos
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  date published: 2026-07-02T03:55:08Z
audio: Violin Concerto in A Major, D. 96: II. Largo andante
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Violin Concerto in A Major, D. 96: III. Presto
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duration: PT4M58S
duration ms: 298228
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by artist: Chouchane Siranossian
by artist: Venice Baroque Orchestra
by artist: Andrea Marcon
in album: Tartini: Violin Concertos
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  date published: 2020-03-13
genre: classical
genre: baroque
genre: italian-baroque
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Violin Concerto in A Major, D. 96: III. Presto
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Violin Concerto in D Minor, D. 45: I. Allegro assai
type: MusicRecording
duration: PT6M22S
duration ms: 382104
explicit: false
by artist: Giuseppe Tartini
by artist: Chouchane Siranossian
by artist: Venice Baroque Orchestra
by artist: Andrea Marcon
in album: Tartini: Violin Concertos
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  date published: 2020-03-13
genre: classical
genre: baroque
genre: italian-baroque
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Violin Concerto in D Minor, D. 45: I. Allegro assai
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Violin Concerto in D Minor, D. 45: II. Grave
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duration: PT5M47S
duration ms: 347953
explicit: false
by artist: Giuseppe Tartini
by artist: Chouchane Siranossian
by artist: Venice Baroque Orchestra
by artist: Andrea Marcon
in album: Tartini: Violin Concertos
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  date published: 2020-03-13
genre: classical
genre: baroque
genre: italian-baroque
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T15:42:38Z
audio: Violin Concerto in D Minor, D. 45: II. Grave
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Violin Concerto in D Minor, D. 45: III. Presto
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duration: PT5M23S
duration ms: 323941
explicit: false
by artist: Giuseppe Tartini
by artist: Chouchane Siranossian
by artist: Venice Baroque Orchestra
by artist: Andrea Marcon
in album: Tartini: Violin Concertos
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genre: classical
genre: baroque
genre: italian-baroque
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T17:23:26Z
audio: Violin Concerto in D Minor, D. 45: III. Presto
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Concerto in G Major: I. Allegro
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duration: PT6M11S
duration ms: 371498
explicit: false
by artist: Giuseppe Tartini
by artist: Chouchane Siranossian
by artist: Venice Baroque Orchestra
by artist: Andrea Marcon
in album: Tartini: Violin Concertos
  type: MusicAlbum
  date published: 2020-03-13
genre: classical
genre: baroque
genre: italian-baroque
isrc code: FR50X1959610
additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-30T18:46:00Z
audio: Concerto in G Major: I. Allegro
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Concerto in G Major: II. Andante
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duration: PT5M21S
duration ms: 321378
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by artist: Giuseppe Tartini
by artist: Chouchane Siranossian
by artist: Venice Baroque Orchestra
by artist: Andrea Marcon
in album: Tartini: Violin Concertos
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genre: classical
genre: baroque
genre: italian-baroque
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Concerto in G Major: II. Andante
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Concerto in G Major: III. Allegretto
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duration: PT3M43S
duration ms: 223123
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by artist: Chouchane Siranossian
by artist: Venice Baroque Orchestra
by artist: Andrea Marcon
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genre: classical
genre: baroque
genre: italian-baroque
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T05:48:18Z
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Concerto in D Minor, D. 44: I. Allegro assai
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by artist: Andrea Marcon
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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Concerto in D Minor, D. 44: II. Grave
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by artist: Venice Baroque Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T20:35:49Z
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Concerto in D Minor, D. 44: III. Allegro
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by artist: Venice Baroque Orchestra
by artist: Andrea Marcon
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T09:25:34Z
audio: Concerto in D Minor, D. 44: III. Allegro
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Tartini: Hoc Modo Parvae Caritate
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T16:10:47Z
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Tartini: Violin Concertos, Sonatas
type: MusicAlbum
date published: 2019-12-27

Meneghini - Concertoni a quattro parti (Transr. for Orchestra by Giulio Meneghini)
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date published: 2019-11-18

Tartini: 30 Sonate piccole, Vol. 5
type: MusicAlbum
date published: 2019-08-02

Tartini: 4-parts Sonatas and Sinfonias
type: MusicAlbum
date published: 2019-01-25

Tartini: Sonate, Op. I
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date published: 2018-09-21

Tartini: 30 Sonate piccole, Vol. 4
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date published: 2017-09-01

Tartini: Violin Sonatas, Vol. 2
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date published: 2016-12-09

Tartini's Violin - Sonatas for Violin and Basso Continuo, Vol. 1
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date published: 2016-06-24

TARTINI Secondo Natura
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date published: 2015-10-26

Tartini: 30 Sonate piccole for Solo Violin, Vol. 3
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  subject of: OpenTimestamps Proof of Existence
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track: Violin Sonata in D Major, B.D3: II. Allegro assai
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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track: Violin Concerto in A Minor, D115
track: Violin Concerto in G Major, D80
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OpenTimestamps Proof of Existence
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date published: 2026-07-02T03:55:08Z

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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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subject of: OpenTimestamps Proof of Existence
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subject of: OpenTimestamps Proof of Existence
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Violin Concerto in A Minor, D115
type: MusicRecording
duration: PT4M48S
duration ms: 288400
explicit: false
by artist: Giuseppe Tartini
by artist: Gordan Nikolitch
by artist: Arie Van Beek
by artist: Orchestre d'Auvergne
in album: Tartini: Devil's Trill Sonata; Violin Concertos D12, D51, D80, & D115
  type: MusicAlbum
  date published: 2015-03-31
genre: classical
genre: baroque
genre: italian-baroque
isrc code: USX761528307
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:22:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xea6233ce05aa6aaad35b6a6729ebe815950e6932c5f107df6986cc7933f44630
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
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/USX761528307
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea6233ce05aa6aaad35b6a6729ebe815950e6932c5f107df6986cc7933f44630. 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/USX761528307.
  date published: 2026-07-02T03:55:08Z
audio: Violin Concerto in A Minor, D115
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.121
  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: 0.457
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.342
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.384
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
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Violin Concerto in G Major, D80
type: MusicRecording
duration: PT5M49S
duration ms: 349800
explicit: false
by artist: Giuseppe Tartini
by artist: Gordan Nikolitch
by artist: Arie Van Beek
by artist: Orchestre d'Auvergne
in album: Tartini: Devil's Trill Sonata; Violin Concertos D12, D51, D80, & D115
  type: MusicAlbum
  date published: 2015-03-31
genre: classical
genre: baroque
genre: italian-baroque
isrc code: USX761528308
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T07:04:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf161025a1309bc7c854b1d8772bcc47591e9bf84f5762500b160aa5d3a388adc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
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/USX761528308
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf161025a1309bc7c854b1d8772bcc47591e9bf84f5762500b160aa5d3a388adc. 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/USX761528308.
  date published: 2026-07-02T03:55:08Z
audio: Violin Concerto in G Major, D80
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.129
  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: 0.411
  additional property: Energy
    type: PropertyValue
    value: 0.054
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.246
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.305
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.332
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Violin Concerto in G Major, D80
type: MusicRecording
duration: PT4M10S
duration ms: 250400
explicit: false
by artist: Giuseppe Tartini
by artist: Gordan Nikolitch
by artist: Arie Van Beek
by artist: Orchestre d'Auvergne
in album: Tartini: Devil's Trill Sonata; Violin Concertos D12, D51, D80, & D115
  type: MusicAlbum
  date published: 2015-03-31
genre: classical
genre: baroque
genre: italian-baroque
isrc code: USX761528309
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T15:40:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf1cd9e0f899a98edb48dfbf3b696898ac560f23b4265744fdfd7b70fa2c0487f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
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/USX761528309
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1cd9e0f899a98edb48dfbf3b696898ac560f23b4265744fdfd7b70fa2c0487f. 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/USX761528309.
  date published: 2026-07-02T03:55:08Z
audio: Violin Concerto in G Major, D80
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.437
  additional property: Musical Key
    type: PropertyValue
    value: 4
  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: 0.198
  additional property: Energy
    type: PropertyValue
    value: 0.015
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.028
  additional property: Liveness
    type: PropertyValue
    value: 0.079
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.065
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.99
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Violin Concerto in G Major, D80
type: MusicRecording
duration: PT3M4S
duration ms: 184400
explicit: false
by artist: Giuseppe Tartini
by artist: Gordan Nikolitch
by artist: Arie Van Beek
by artist: Orchestre d'Auvergne
in album: Tartini: Devil's Trill Sonata; Violin Concertos D12, D51, D80, & D115
  type: MusicAlbum
  date published: 2015-03-31
genre: classical
genre: baroque
genre: italian-baroque
isrc code: USX761528310
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:36:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe09feb064699899434e9c64db3eaa88e495c5f745cb1df2d3c0daf16bc9750d6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957819
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957819
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX761528310
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-13T07:53:33Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe09feb064699899434e9c64db3eaa88e495c5f745cb1df2d3c0daf16bc9750d6. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/USX761528310.
  date published: 2026-07-13T07:53:33Z
audio: Violin Concerto in G Major, D80
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.185
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.498
  additional property: Energy
    type: PropertyValue
    value: 0.07
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.059
  additional property: Liveness
    type: PropertyValue
    value: 0.087
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.475
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.558
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Violin Concerto in G Major, D80
type: MusicRecording
duration: PT3M59S
duration ms: 239200
explicit: false
by artist: Giuseppe Tartini
by artist: Gordan Nikolitch
by artist: Orchestre d'Auvergne
by artist: Arie Van Beek
in album: Tartini: Devil's Trill Sonata; Violin Concertos D12, D51, D80, & D115
  type: MusicAlbum
  date published: 2015-03-31
genre: classical
genre: baroque
genre: italian-baroque
isrc code: USX761528311
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T06:07:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf2ad2533d7f0135c7410b09a3a230924419389b54a7d61ad8b814549f8da03a0
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/USX761528311
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2ad2533d7f0135c7410b09a3a230924419389b54a7d61ad8b814549f8da03a0. 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/USX761528311.
  date published: 2026-07-06T07:53:57Z
audio: Violin Concerto in G Major, D80
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 189.445
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.236
  additional property: Energy
    type: PropertyValue
    value: 0.01
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.312
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.082
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.326
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Violin Concerto in E Major, D51
type: MusicRecording
duration: PT5M40S
duration ms: 340200
explicit: false
by artist: Giuseppe Tartini
by artist: Gordan Nikolitch
by artist: Arie Van Beek
by artist: Orchestre d'Auvergne
in album: Tartini: Devil's Trill Sonata; Violin Concertos D12, D51, D80, & D115
  type: MusicAlbum
  date published: 2015-03-31
genre: classical
genre: baroque
genre: italian-baroque
isrc code: USX761528312
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:48:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa1fee34fa9bc0507f9f31d7cf3a6cf6b16257700438d7017c99ac832748c18d8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
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/USX761528312
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1fee34fa9bc0507f9f31d7cf3a6cf6b16257700438d7017c99ac832748c18d8. 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/USX761528312.
  date published: 2026-07-02T03:55:08Z
audio: Violin Concerto in E Major, D51
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.814
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.518
  additional property: Energy
    type: PropertyValue
    value: 0.109
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.422
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.799
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Violin Concerto in E Major, D51
type: MusicRecording
duration: PT2M55S
duration ms: 175600
explicit: false
by artist: Giuseppe Tartini
by artist: Gordan Nikolitch
by artist: Arie Van Beek
by artist: Orchestre d'Auvergne
in album: Tartini: Devil's Trill Sonata; Violin Concertos D12, D51, D80, & D115
  type: MusicAlbum
  date published: 2015-03-31
genre: classical
genre: baroque
genre: italian-baroque
isrc code: USX761528313
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T17:50:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3f23604b3890a1d9d63c8a8d63c6cf6480a31ecebf261f4c31e284234e53e960
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959163
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959163
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX761528313
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T18:47:29Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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Violin Sonata in G Minor "Devil's Trill"
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Fritz Kreisler: Music for Violin and Piano
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Tartini: 30 Sonate piccole, Vol. 2, Sonatas Nos. 7-12
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track: Poulenc: Flute Sonata, FP 164: I. Allegro malinconico
track: Poulenc: Flute Sonata, FP 164: II. Cantilena
track: Poulenc: Flute Sonata, FP 164: III. Presto giocoso
track: Debussy: Syrinx, CD 137, L. 129
track: Handel: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: I. Adagio
track: Handel: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: II. Allegro
track: Handel: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: III. Adagio
track: Handel: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: IV. Bourrée
track: Handel: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: V. Menuetto
track: Bach, JS: Flute Sonata in B Minor, BWV 1030: I. Andante
track: Bach, JS: Flute Sonata in B Minor, BWV 1030: II. Largo e dolce
track: Bach, JS: Flute Sonata in B Minor, BWV 1030: III. Presto

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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76a88131e45218ec842a2a1bafa488df7ec2cbe9458777a1bf0ffb65410a3ca8. 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/GBAYC1500292.
date published: 2026-07-07T18:39:05Z

Vivaldi: Flute Concerto in F Major, Op. 10 No. 1, RV 433 "La tempesta di mare": III. Presto
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Poulenc: Flute Sonata, FP 164: I. Allegro malinconico
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duration ms: 271800
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by artist: Francis Poulenc
by artist: Jean-Pierre Rampal
by artist: Robert Veyron-Lacroix
in album: The Flute Master
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popularity: 8
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genre: early-modern-classical
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T11:07:37Z
audio: Poulenc: Flute Sonata, FP 164: I. Allegro malinconico
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Poulenc: Flute Sonata, FP 164: II. Cantilena
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by artist: Francis Poulenc
by artist: Jean-Pierre Rampal
by artist: Robert Veyron-Lacroix
in album: The Flute Master
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popularity: 7
genre: classical
genre: early-modern-classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: Poulenc: Flute Sonata, FP 164: II. Cantilena
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Poulenc: Flute Sonata, FP 164: III. Presto giocoso
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explicit: false
by artist: Francis Poulenc
by artist: Jean-Pierre Rampal
by artist: Robert Veyron-Lacroix
in album: The Flute Master
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popularity: 6
genre: classical
genre: early-modern-classical
genre: neoclassicism
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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: 2026-07-08T03:20:19Z
audio: Poulenc: Flute Sonata, FP 164: III. Presto giocoso
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Debussy: Syrinx, CD 137, L. 129
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by artist: Claude Debussy
by artist: Jean-Pierre Rampal
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popularity: 6
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: 2026-07-07T18:39:05Z
audio: Debussy: Syrinx, CD 137, L. 129
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Handel: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: I. Adagio
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by artist: Robert Veyron-Lacroix
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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: 2026-07-07T14:50:41Z
audio: Handel: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: I. Adagio
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Handel: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: II. Allegro
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe92d64b812728d1e3d9b998fe47aa399e57677dd92504953f77f8edcddebc877. 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/GBAYC1500185.
  date published: 2026-07-07T18:39:05Z
audio: Handel: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: II. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 139.182
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.592
  additional property: Energy
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    value: 0.221
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.911
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.014
  additional property: Liveness
    type: PropertyValue
    value: 0.084
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.961
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.543
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Handel: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: III. Adagio
type: MusicRecording
duration: PT2M42S
duration ms: 162720
explicit: false
by artist: George Frideric Handel
by artist: Jean-Pierre Rampal
by artist: Robert Veyron-Lacroix
in album: The Flute Master
  type: MusicAlbum
  date published: 2024-11-03
popularity: 5
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: GBAYC1500186
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T05:56:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5ac6b1c34db710229b454765fc4aa264aeb06d9950002b34120cf7d483b33e77
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960216
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960216
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1500186
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T06:39:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ac6b1c34db710229b454765fc4aa264aeb06d9950002b34120cf7d483b33e77. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1500186.
  date published: 2026-07-30T06:39:12Z
audio: Handel: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: III. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 86.464
  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: 0.215
  additional property: Energy
    type: PropertyValue
    value: 0.172
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.863
  additional property: Liveness
    type: PropertyValue
    value: 0.22
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.189
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.189
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Handel: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: IV. Bourrée
type: MusicRecording
duration: PT0M59S
duration ms: 59546
explicit: false
by artist: George Frideric Handel
by artist: Jean-Pierre Rampal
by artist: Robert Veyron-Lacroix
in album: The Flute Master
  type: MusicAlbum
  date published: 2024-11-03
popularity: 5
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: GBAYC1500187
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T16:18:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbee4a7e67fa6b88732aabe967f0ca9b6af1bd9f1f221b2f523449fe87726f0ba
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1500187
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbee4a7e67fa6b88732aabe967f0ca9b6af1bd9f1f221b2f523449fe87726f0ba. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1500187.
  date published: 2026-07-29T19:35:34Z
audio: Handel: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: IV. Bourrée
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.31
  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: 0.658
  additional property: Energy
    type: PropertyValue
    value: 0.16
  additional property: Speechiness
    type: PropertyValue
    value: 0.074
  additional property: Acousticness
    type: PropertyValue
    value: 0.9
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.09
  additional property: Liveness
    type: PropertyValue
    value: 0.161
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.976
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.426
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Handel: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: V. Menuetto
type: MusicRecording
duration: PT1M26S
duration ms: 86266
explicit: false
by artist: George Frideric Handel
by artist: Jean-Pierre Rampal
by artist: Robert Veyron-Lacroix
in album: The Flute Master
  type: MusicAlbum
  date published: 2024-11-03
popularity: 4
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: GBAYC1500188
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T23:25:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc6607f854619380456d948e88c5d71fdb917847b8a854c221c15c10d0f3b9ac1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960166
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960166
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1500188
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T23:39:29Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6607f854619380456d948e88c5d71fdb917847b8a854c221c15c10d0f3b9ac1. Chain 2 (Bitcoin): anchored in block 960166 (2026-07-29T23:39:29Z), 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/GBAYC1500188.
  date published: 2026-07-29T23:39:29Z
audio: Handel: Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: V. Menuetto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.961
  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: 0.424
  additional property: Energy
    type: PropertyValue
    value: 0.095
  additional property: Speechiness
    type: PropertyValue
    value: 0.075
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.317
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.523
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.271
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Flute Sonata in B Minor, BWV 1030: I. Andante
type: MusicRecording
duration: PT7M20S
duration ms: 440693
explicit: false
by artist: Johann Sebastian Bach
by artist: Jean-Pierre Rampal
by artist: Robert Veyron-Lacroix
in album: The Flute Master
  type: MusicAlbum
  date published: 2024-11-03
popularity: 5
genre: classical
genre: classical-piano
isrc code: GBAYC1501039
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T16:54:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6c61f974df35817d9a287bb40b6c118d7c2758e9ee80c06d04610df42943dd2d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1501039
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T21:13:37Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c61f974df35817d9a287bb40b6c118d7c2758e9ee80c06d04610df42943dd2d. Chain 2 (Bitcoin): anchored in block 960145 (2026-07-29T21:13:37Z), 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/GBAYC1501039.
  date published: 2026-07-29T21:13:37Z
audio: Bach, JS: Flute Sonata in B Minor, BWV 1030: I. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.937
  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: 0.403
  additional property: Energy
    type: PropertyValue
    value: 0.216
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.909
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.19
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.59
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.152
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Flute Sonata in B Minor, BWV 1030: II. Largo e dolce
type: MusicRecording
duration: PT4M1S
duration ms: 241253
explicit: false
by artist: Johann Sebastian Bach
by artist: Jean-Pierre Rampal
by artist: Robert Veyron-Lacroix
in album: The Flute Master
  type: MusicAlbum
  date published: 2024-11-03
popularity: 5
genre: classical
genre: classical-piano
isrc code: GBAYC1501040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:25:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x96017847390275a9a12a23b90922fb80a05f96d71fe5a364c52f8fcc57bf670f
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/GBAYC1501040
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96017847390275a9a12a23b90922fb80a05f96d71fe5a364c52f8fcc57bf670f. 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/GBAYC1501040.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Flute Sonata in B Minor, BWV 1030: II. Largo e dolce
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.781
  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: 0.279
  additional property: Energy
    type: PropertyValue
    value: 0.163
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.941
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.682
  additional property: Liveness
    type: PropertyValue
    value: 0.061
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.267
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.712
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Flute Sonata in B Minor, BWV 1030: III. Presto
type: MusicRecording
duration: PT5M42S
duration ms: 342706
explicit: false
by artist: Johann Sebastian Bach
by artist: Jean-Pierre Rampal
by artist: Robert Veyron-Lacroix
in album: The Flute Master
  type: MusicAlbum
  date published: 2024-11-03
popularity: 5
genre: classical
genre: classical-piano
isrc code: GBAYC1501041
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:57:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x76ae099f02277dac8d9ca033a709745f0394223c411cc622763fd47ea5c41e21
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/GBAYC1501041