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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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track: Concerto for 4 Violins in E Minor, Op. 3/4, RV 550 (L'estro armonico No. 4): III. Adagio
track: Concerto for 4 Violins and Cello in B Minor, Op. 3/10, RV 580 (L'estro armonico No. 10): I. Allegro
track: Concerto for 4 Violins and Cello in D Major, Op. 3/1, RV 549 (L'estro armonico No. 1): I. Allegro
track: Concerto for 4 Violins in E Minor, Op. 3/4, RV 550 (L'estro armonico No. 4): IV. Allegro
track: Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): II. Adagio
track: Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): III. Allegro
track: Concerto for 4 Violins and Cello in B Minor, Op. 3/10, RV 580 (L'estro armonico No. 10): IIa. Largo –
track: Concerto for 4 Violins and Cello in D Major, Op. 3/1, RV 549 (L'estro armonico No. 1): III. Allegro
track: Concerto for 4 Violins and Cello in D Major, Op. 3/1, RV 549 (L'estro armonico No. 1): II. Largo e spiccato
track: Concerto for 4 Violins in E Minor, Op. 3/4, RV 550 (L'estro armonico No. 4): I. Andante
track: Concerto for 4 Violins in E Minor, Op. 3/4, RV 550 (L'estro armonico No. 4): II. Allegro assai
track: Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): I. Andante
track: Concerto for 4 Violins and Cello in B Minor, Op. 3/10, RV 580 (L'estro armonico No. 10): IIb. Larghetto – Adagio – Largo – III. Allegro
track: Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): IV. Adagio – Allegro

Concerto for 4 Violins in E Minor, Op. 3/4, RV 550 (L'estro armonico No. 4): III. Adagio
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by artist: Antonio Vivaldi
by artist: Michel Schwalbé
by artist: Thomas Brandis
by artist: Leon Spierer
by artist: Hans-Joachim Westphal
by artist: Eberhard Finke
by artist: Horst Gobel
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Vivaldi: The Four Seasons; L'estro armonico / Bach: Brandenburg Concertos Nos.3 & 5; Suite No.3
  type: MusicAlbum
  date published: 2003-01-01
popularity: 35
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:53:06Z
audio: Concerto for 4 Violins in E Minor, Op. 3/4, RV 550 (L'estro armonico No. 4): III. Adagio
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Concerto for 4 Violins and Cello in B Minor, Op. 3/10, RV 580 (L'estro armonico No. 10): I. Allegro
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by artist: Thomas Brandis
by artist: Leon Spierer
by artist: Hans-Joachim Westphal
by artist: Eberhard Finke
by artist: Horst Gobel
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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popularity: 12
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Concerto for 4 Violins and Cello in B Minor, Op. 3/10, RV 580 (L'estro armonico No. 10): I. Allegro
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Concerto for 4 Violins and Cello in D Major, Op. 3/1, RV 549 (L'estro armonico No. 1): I. Allegro
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duration: PT3M20S
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explicit: false
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by artist: Michel Schwalbé
by artist: Thomas Brandis
by artist: Leon Spierer
by artist: Hans-Joachim Westphal
by artist: Eberhard Finke
by artist: Horst Gobel
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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  date published: 2003-01-01
popularity: 10
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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  date published: 2026-07-21T20:58:27Z
audio: Concerto for 4 Violins and Cello in D Major, Op. 3/1, RV 549 (L'estro armonico No. 1): I. Allegro
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Concerto for 4 Violins in E Minor, Op. 3/4, RV 550 (L'estro armonico No. 4): IV. Allegro
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duration: PT2M1S
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explicit: false
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by artist: Thomas Brandis
by artist: Leon Spierer
by artist: Hans-Joachim Westphal
by artist: Eberhard Finke
by artist: Horst Gobel
by artist: Berliner Philharmoniker
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  date published: 2026-07-07T18:39:05Z
audio: Concerto for 4 Violins in E Minor, Op. 3/4, RV 550 (L'estro armonico No. 4): IV. Allegro
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Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): II. Adagio
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duration: PT1M46S
duration ms: 106360
explicit: false
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by artist: Michel Schwalbé
by artist: Thomas Brandis
by artist: Leon Spierer
by artist: Hans-Joachim Westphal
by artist: Eberhard Finke
by artist: Horst Gobel
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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  type: MusicAlbum
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popularity: 7
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Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): III. Allegro
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by artist: Herbert von Karajan
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  date published: 2026-07-08T03:20:19Z
audio: Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): III. Allegro
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Concerto for 4 Violins and Cello in B Minor, Op. 3/10, RV 580 (L'estro armonico No. 10): IIa. Largo –
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by artist: Leon Spierer
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by artist: Berliner Philharmoniker
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Concerto for 4 Violins and Cello in D Major, Op. 3/1, RV 549 (L'estro armonico No. 1): III. Allegro
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by artist: Berliner Philharmoniker
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audio: Concerto for 4 Violins and Cello in D Major, Op. 3/1, RV 549 (L'estro armonico No. 1): III. Allegro
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Concerto for 4 Violins and Cello in D Major, Op. 3/1, RV 549 (L'estro armonico No. 1): II. Largo e spiccato
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audio: Concerto for 4 Violins and Cello in D Major, Op. 3/1, RV 549 (L'estro armonico No. 1): II. Largo e spiccato
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Concerto for 4 Violins in E Minor, Op. 3/4, RV 550 (L'estro armonico No. 4): I. Andante
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popularity: 9
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  date published: 2026-07-29T21:09:47Z
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Concerto for 4 Violins in E Minor, Op. 3/4, RV 550 (L'estro armonico No. 4): II. Allegro assai
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by artist: Herbert von Karajan
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popularity: 8
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057209042
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960191
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960191
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T01:51:26+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

Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): I. Andante
type: MusicRecording
duration: PT3M46S
duration ms: 226666
explicit: false
by artist: Antonio Vivaldi
by artist: Michel Schwalbé
by artist: Thomas Brandis
by artist: Leon Spierer
by artist: Hans-Joachim Westphal
by artist: Eberhard Finke
by artist: Horst Gobel
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Vivaldi: The Four Seasons; L'estro armonico / Bach: Brandenburg Concertos Nos.3 & 5; Suite No.3
  type: MusicAlbum
  date published: 2003-01-01
popularity: 8
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9560836b2c03cae4e00c9f123851d35e7d52ae1b4f8bb7425945fdf72b335ef. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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/DEF057209051.
  date published: 2026-07-29T23:20:38Z
audio: Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): I. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.927
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.221
  additional property: Energy
    type: PropertyValue
    value: 0.138
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.647
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.66
  additional property: Liveness
    type: PropertyValue
    value: 0.36
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.126
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.212
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEF057209051
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
  type: PropertyValue
  value: 2026-07-29T23:20:38+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960163
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T23:20:38+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

Concerto for 4 Violins and Cello in B Minor, Op. 3/10, RV 580 (L'estro armonico No. 10): IIb. Larghetto – Adagio – Largo – III. Allegro
type: MusicRecording
duration: PT5M35S
duration ms: 335506
explicit: false
by artist: Antonio Vivaldi
by artist: Michel Schwalbé
by artist: Thomas Brandis
by artist: Leon Spierer
by artist: Hans-Joachim Westphal
by artist: Eberhard Finke
by artist: Horst Gobel
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
by artist: Horst Goebel
in album: Vivaldi: The Four Seasons; L'estro armonico / Bach: Brandenburg Concertos Nos.3 & 5; Suite No.3
  type: MusicAlbum
  date published: 2003-01-01
popularity: 7
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c1304885f14a87cf4faa815ce9cadaf2b1c794f5c1c831fcf1e97c61c57c011. Chain 2 (Bitcoin): anchored in block 960285 (2026-07-30T17:26:40Z), 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/DEF057209063.
  date published: 2026-07-30T17:26:40Z
audio: Concerto for 4 Violins and Cello in B Minor, Op. 3/10, RV 580 (L'estro armonico No. 10): IIb. Larghetto – Adagio – Largo – III. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.902
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.432
  additional property: Energy
    type: PropertyValue
    value: 0.145
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.926
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.847
  additional property: Liveness
    type: PropertyValue
    value: 0.168
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.227
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.63
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: DEF057209063
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
  type: PropertyValue
  value: 960285
additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057209063
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960285
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T17:26:40+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

Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): IV. Adagio – Allegro
type: MusicRecording
duration: PT3M3S
duration ms: 183960
explicit: false
by artist: Antonio Vivaldi
by artist: Michel Schwalbé
by artist: Thomas Brandis
by artist: Leon Spierer
by artist: Hans-Joachim Westphal
by artist: Eberhard Finke
by artist: Horst Gobel
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Vivaldi: The Four Seasons; L'estro armonico / Bach: Brandenburg Concertos Nos.3 & 5; Suite No.3
  type: MusicAlbum
  date published: 2003-01-01
popularity: 6
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef608faca457f6491312e38b17e4d27d955517047d684ece6bd998b7ed5da3a0. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/DEF057209054.
  date published: 2026-07-30T09:57:33Z
audio: Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): IV. Adagio – Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 161.013
  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: 0.179
  additional property: Energy
    type: PropertyValue
    value: 0.073
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.682
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.068
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.11
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.048
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEF057209054
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
  type: PropertyValue
  value: 960240
additional property: BitcoinTime
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  value: 2026-07-30T09:57:33+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057209054
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960240
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960240
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:57:33+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