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track: Oboe Concerto in A Minor, RV 461: II. Larghetto
track: Bassoon Concerto in G Major, RV 493: II. Largo
track: Oboe Concerto in D Major, RV 453: III. Allegro
track: Bassoon Concerto in E Minor, RV 484: I. Allegro poco
track: Bassoon Concerto in E Minor, RV 484: III. Allegro
track: Oboe Concerto in F Major, RV 457: II. Andante
track: Bassoon Concerto in E-Flat Major, RV 483: I. Presto
track: Oboe Concerto in A Minor, RV 461: III. Allegro
track: Bassoon Concerto in E-Flat Major, RV 483: II. Larghetto
track: Bassoon Concerto in E-Flat Major, RV 483: III. Allegro
track: Oboe Concerto in A Minor, RV 461: I. Allegro non molto
track: Bassoon Concerto in G Major, RV 493: I. Allegro ma poco
track: Bassoon Concerto in G Major, RV 493: III. Allegro
track: Oboe Concerto in D Major, RV 453: I. Allegro
track: Oboe Concerto in D Major, RV 453: II. Largo
track: Bassoon Concerto in E Minor, RV 484: II. Andante
track: Oboe Concerto in F Major, RV 457: I. Allegro non molto
track: Oboe Concerto in F Major, RV 457: III. Allegro molto
track: Concerto for Oboe & Bassoon in G Major, RV 545: I. Andante molto
track: Concerto for Oboe & Bassoon in G Major, RV 545: II. Largo

Oboe Concerto in A Minor, RV 461: II. Larghetto
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by artist: Simon Fuchs
by artist: Kurpfälzisches Kammerorchester
by artist: Johannes Schlaefli
in album: Vivaldi: Oboe & Bassoon Concertos
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  date published: 2017-01-20
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  date published: 2026-07-07T14:04:01Z
audio: Oboe Concerto in A Minor, RV 461: II. Larghetto
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Bassoon Concerto in G Major, RV 493: II. Largo
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by artist: Matthias Rácz
by artist: Kurpfälzisches Kammerorchester
by artist: Johannes Schlaefli
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  date published: 2026-07-08T03:22:41Z
audio: Bassoon Concerto in G Major, RV 493: II. Largo
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Oboe Concerto in D Major, RV 453: III. Allegro
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by artist: Simon Fuchs
by artist: Kurpfälzisches Kammerorchester
by artist: Johannes Schlaefli
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  date published: 2026-07-08T08:56:20Z
audio: Oboe Concerto in D Major, RV 453: III. Allegro
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Bassoon Concerto in E Minor, RV 484: I. Allegro poco
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  date published: 2026-07-02T03:55:08Z
audio: Bassoon Concerto in E Minor, RV 484: I. Allegro poco
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Bassoon Concerto in E Minor, RV 484: III. Allegro
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audio: Bassoon Concerto in E Minor, RV 484: III. Allegro
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Oboe Concerto in F Major, RV 457: II. Andante
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c986933315fa1a78eb1a93a03eecddd6d448ba3a1d88b9a81e74f94a4b94e78. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG21620817.
  date published: 2026-07-08T03:53:27Z
audio: Oboe Concerto in F Major, RV 457: II. Andante
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Bassoon Concerto in E-Flat Major, RV 483: I. Presto
type: MusicRecording
duration: PT2M16S
duration ms: 136000
explicit: false
by artist: Antonio Vivaldi
by artist: Matthias Rácz
by artist: Kurpfälzisches Kammerorchester
by artist: Johannes Schlaefli
in album: Vivaldi: Oboe & Bassoon Concertos
  type: MusicAlbum
  date published: 2017-01-20
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa220dd551c378391316cee1539b2ad83076941f1a4448fcf44804dbda677f641. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T17:49:08Z), 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/DEFG21620801.
  date published: 2026-07-22T17:49:08Z
audio: Bassoon Concerto in E-Flat Major, RV 483: I. Presto
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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
    type: PropertyValue
    value: 0.143
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.697
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.127
  additional property: Key Name
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  additional property: Mode Name
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isrc code: DEFG21620801
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Oboe Concerto in A Minor, RV 461: III. Allegro
type: MusicRecording
duration: PT2M54S
duration ms: 174000
explicit: false
by artist: Antonio Vivaldi
by artist: Simon Fuchs
by artist: Kurpfälzisches Kammerorchester
by artist: Johannes Schlaefli
in album: Vivaldi: Oboe & Bassoon Concertos
  type: MusicAlbum
  date published: 2017-01-20
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x270d029ce75d1d1ce73f15e75ce1cb8188ccf7e4d9b20d5ccc38ced138ce15d2. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG21620806.
  date published: 2026-07-22T17:48:40Z
audio: Oboe Concerto in A Minor, RV 461: III. Allegro
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: DEFG21620806
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Bassoon Concerto in E-Flat Major, RV 483: II. Larghetto
type: MusicRecording
duration: PT2M32S
duration ms: 152000
explicit: false
by artist: Antonio Vivaldi
by artist: Matthias Rácz
by artist: Kurpfälzisches Kammerorchester
by artist: Johannes Schlaefli
in album: Vivaldi: Oboe & Bassoon Concertos
  type: MusicAlbum
  date published: 2017-01-20
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb34abfbfe377fb4c685e7ffc9b6bba0131b39f057c7ca7f0f503f7a799ae3fe1. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/DEFG21620802.
  date published: 2026-07-30T15:42:38Z
audio: Bassoon Concerto in E-Flat Major, RV 483: II. Larghetto
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.935
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.245
  additional property: Loudness (dB)
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  additional property: Key Name
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isrc code: DEFG21620802
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Bassoon Concerto in E-Flat Major, RV 483: III. Allegro
type: MusicRecording
duration: PT3M1S
duration ms: 181000
explicit: false
by artist: Antonio Vivaldi
by artist: Matthias Rácz
by artist: Kurpfälzisches Kammerorchester
by artist: Johannes Schlaefli
in album: Vivaldi: Oboe & Bassoon Concertos
  type: MusicAlbum
  date published: 2017-01-20
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2801e4287d0c6d96df900dd86f91166abdbc7995b57579b2293f5bbde03d329f. 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/DEFG21620803.
  date published: 2026-07-29T19:35:34Z
audio: Bassoon Concerto in E-Flat Major, RV 483: III. Allegro
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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: Loudness (dB)
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isrc code: DEFG21620803
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Oboe Concerto in A Minor, RV 461: I. Allegro non molto
type: MusicRecording
duration: PT3M32S
duration ms: 212000
explicit: false
by artist: Antonio Vivaldi
by artist: Simon Fuchs
by artist: Kurpfälzisches Kammerorchester
by artist: Johannes Schlaefli
in album: Vivaldi: Oboe & Bassoon Concertos
  type: MusicAlbum
  date published: 2017-01-20
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44e78640089c5eb567f61203e4307ebd34a283246da07508aae306ecc1ce37af. 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/DEFG21620804.
  date published: 2026-07-29T19:35:34Z
audio: Oboe Concerto in A Minor, RV 461: I. Allegro non molto
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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isrc code: DEFG21620804
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Bassoon Concerto in G Major, RV 493: I. Allegro ma poco
type: MusicRecording
duration: PT3M20S
duration ms: 200000
explicit: false
by artist: Antonio Vivaldi
by artist: Matthias Rácz
by artist: Kurpfälzisches Kammerorchester
by artist: Johannes Schlaefli
in album: Vivaldi: Oboe & Bassoon Concertos
  type: MusicAlbum
  date published: 2017-01-20
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6dbd2f6ea198c8a95fac43a4cdddae9f00ecb1e9533b61155f3e8fbfa3bca97. 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/DEFG21620807.
  date published: 2026-07-30T01:32:48Z
audio: Bassoon Concerto in G Major, RV 493: I. Allegro ma poco
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  additional property: Time Signature
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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)
    type: PropertyValue
    value: 0.492
  additional property: Loudness (dB)
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  additional property: Key Name
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    value: D
  additional property: Mode Name
    type: PropertyValue
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isrc code: DEFG21620807
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSBitcoinBlockVerifyURL
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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

Bassoon Concerto in G Major, RV 493: III. Allegro
type: MusicRecording
duration: PT2M20S
duration ms: 140000
explicit: false
by artist: Antonio Vivaldi
by artist: Matthias Rácz
by artist: Kurpfälzisches Kammerorchester
by artist: Johannes Schlaefli
in album: Vivaldi: Oboe & Bassoon Concertos
  type: MusicAlbum
  date published: 2017-01-20
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x291fd21a1bd6ea52b01d260b520bb252af5f61d4333a4531bfa9f88247d46b9e. 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/DEFG21620809.
  date published: 2026-07-31T00:26:26Z
audio: Bassoon Concerto in G Major, RV 493: III. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 121.284
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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    value: 0.304
  additional property: Speechiness
    type: PropertyValue
    value: 0.027
  additional property: Acousticness
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    value: 0.91
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.217
  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: DEFG21620809
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26+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 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

Oboe Concerto in D Major, RV 453: I. Allegro
type: MusicRecording
duration: PT3M17S
duration ms: 197000
explicit: false
by artist: Antonio Vivaldi
by artist: Simon Fuchs
by artist: Kurpfälzisches Kammerorchester
by artist: Johannes Schlaefli
in album: Vivaldi: Oboe & Bassoon Concertos
  type: MusicAlbum
  date published: 2017-01-20
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc401bdf6b592d53f6808d9b352dd4cb3497ba1a4b0dbc349837a8c2bc1b77c1e. 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/DEFG21620810.
  date published: 2026-07-31T00:26:26Z
audio: Oboe Concerto in D Major, RV 453: I. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: DEFG21620810
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26+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 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

Oboe Concerto in D Major, RV 453: II. Largo
type: MusicRecording
duration: PT1M51S
duration ms: 111000
explicit: false
by artist: Antonio Vivaldi
by artist: Simon Fuchs
by artist: Kurpfälzisches Kammerorchester
by artist: Johannes Schlaefli
in album: Vivaldi: Oboe & Bassoon Concertos
  type: MusicAlbum
  date published: 2017-01-20
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24457bb8417c78396db5cfeebef85d0e85f0a7291eae301e723d8f78fcf8bcd8. 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/DEFG21620811.
  date published: 2026-07-30T07:28:30Z
audio: Oboe Concerto in D Major, RV 453: 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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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.229
  additional property: Energy
    type: PropertyValue
    value: 0.185
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.918
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.216
  additional property: Loudness (dB)
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    value: -20.445
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    value: Minor
isrc code: DEFG21620811
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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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: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T07:28:30+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 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

Bassoon Concerto in E Minor, RV 484: II. Andante
type: MusicRecording
duration: PT3M32S
duration ms: 212000
explicit: false
by artist: Antonio Vivaldi
by artist: Matthias Rácz
by artist: Kurpfälzisches Kammerorchester
by artist: Johannes Schlaefli
in album: Vivaldi: Oboe & Bassoon Concertos
  type: MusicAlbum
  date published: 2017-01-20
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc388defe6a1d3a926b5bb8bf1453a95ddb57917a56f30a557c40a041d5509a73. 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/DEFG21620814.
  date published: 2026-07-30T07:28:30Z
audio: Bassoon Concerto in E Minor, RV 484: II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.192
  additional property: Musical Key
    type: PropertyValue
    value: 11
  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: 0.241
  additional property: Energy
    type: PropertyValue
    value: 0.069
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.807
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.16
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.617
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: DEFG21620814
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960220
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T07:28:30+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG21620814
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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

Oboe Concerto in F Major, RV 457: I. Allegro non molto
type: MusicRecording
duration: PT4M46S
duration ms: 286000
explicit: false
by artist: Antonio Vivaldi
by artist: Simon Fuchs
by artist: Kurpfälzisches Kammerorchester
by artist: Johannes Schlaefli
in album: Vivaldi: Oboe & Bassoon Concertos
  type: MusicAlbum
  date published: 2017-01-20
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84fdc858ff57278499930949bbf5b936ac63c1a6cc5a933d3afcb48a86b7764a. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/DEFG21620816.
  date published: 2026-07-31T02:19:15Z
audio: Oboe Concerto in F Major, RV 457: I. Allegro non molto
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.284
  additional property: Energy
    type: PropertyValue
    value: 0.15
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.903
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.862
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.33
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.606
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEFG21620816
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+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 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

Oboe Concerto in F Major, RV 457: III. Allegro molto
type: MusicRecording
duration: PT3M1S
duration ms: 181000
explicit: false
by artist: Antonio Vivaldi
by artist: Simon Fuchs
by artist: Kurpfälzisches Kammerorchester
by artist: Johannes Schlaefli
in album: Vivaldi: Oboe & Bassoon Concertos
  type: MusicAlbum
  date published: 2017-01-20
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15aec5e7b10d12ad68e28f87ac0e8024e1d039c2a61780dc3f60a322ca46d072. 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/DEFG21620818.
  date published: 2026-07-31T12:24:41Z
audio: Oboe Concerto in F Major, RV 457: III. Allegro molto
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.928
  additional property: Liveness
    type: PropertyValue
    value: 0.222
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.607
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.423
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEFG21620818
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Concerto for Oboe & Bassoon in G Major, RV 545: I. Andante molto
type: MusicRecording
duration: PT3M43S
duration ms: 223000
explicit: false
by artist: Antonio Vivaldi
by artist: Simon Fuchs
by artist: Matthias Rácz
by artist: Kurpfälzisches Kammerorchester
by artist: Johannes Schlaefli
in album: Vivaldi: Oboe & Bassoon Concertos
  type: MusicAlbum
  date published: 2017-01-20
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cb153925b0347174ce40e23f0f3a79ad1726fb46285468d7533473f9ba73d5d. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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/DEFG21620819.
  date published: 2026-07-30T10:42:33Z
audio: Concerto for Oboe & Bassoon in G Major, RV 545: I. Andante molto
  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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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.457
  additional property: Energy
    type: PropertyValue
    value: 0.198
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.239
  additional property: Liveness
    type: PropertyValue
    value: 0.263
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.513
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.071
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEFG21620819
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
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Concerto for Oboe & Bassoon in G Major, RV 545: II. Largo
type: MusicRecording
duration: PT2M41S
duration ms: 161000
explicit: false
by artist: Antonio Vivaldi
by artist: Simon Fuchs
by artist: Matthias Rácz
by artist: Kurpfälzisches Kammerorchester
by artist: Johannes Schlaefli
in album: Vivaldi: Oboe & Bassoon Concertos
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  date published: 2017-01-20
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T21:35:24Z
audio: Concerto for Oboe & Bassoon in G Major, RV 545: II. Largo
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  additional property: Key Name
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