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  track: Violin Concerto in D Major, RV 210: II. Largo
  track: Violin Concerto in A Major, RV 343: I. Allegro
  track: Violin Concerto in A Major, RV 343: II. Adagio
  track: Violin Concerto in A Major, RV 343: III. Allegro
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  track: Violin Concerto in D Minor, RV 240: III. Allegro
  track: Violin Concerto in D Major, RV 230: II. Larghetto
  track: Violin Concerto in D Major, RV 230: III. Allegro
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Violin Concerto in D Minor, RV 240: II. Largo
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Violin Concerto in G Minor, RV 332: II. Largo
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Violin Concerto in C Minor, RV 197: II. Adagio
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Violin Concerto in D Major, RV 210: II. Largo
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Violin Concerto in A Major, RV 343: III. Allegro
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Violin Concerto in D Minor, RV 240: I. Allegro
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Violin Concerto in D Minor, RV 240: III. Allegro
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  date published: 2026-07-31T12:24:41Z
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Violin Concerto in D Major, RV 230: II. Larghetto
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Violin Concerto in D Major, RV 230: III. Allegro
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Violin Concerto in G Minor, RV 332: I. 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

Sinfonia da camera III in G Minor, Op. 2: I. Adagio Sostenuto
type: MusicRecording
duration: PT2M39S
duration ms: 159920
explicit: false
by artist: Nicola Porpora
by artist: Riccardo Doni
by artist: Estrovagante Ensemble
in album: Affetti Napoletani: 18th Century Neapolitan Music
  type: MusicAlbum
  date published: 2024-11-22
popularity: 1
isrc code: ITLF52415407
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:15:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0107483da62662f2e90ecfc9d2bde35edfbc5082280886780a77c7a2830916e7
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/ITLF52415407
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0107483da62662f2e90ecfc9d2bde35edfbc5082280886780a77c7a2830916e7. 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/ITLF52415407.
  date published: 2026-07-08T03:22:41Z
audio: Sinfonia da camera III in G Minor, Op. 2: I. Adagio Sostenuto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.871
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.094
  additional property: Energy
    type: PropertyValue
    value: 0.138
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.751
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.882
  additional property: Liveness
    type: PropertyValue
    value: 0.175
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.735
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor