Walter Reiter
type: MusicGroup
genre: baroque-violin
popularity: 8
followers: 138
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe8e9d318fd11523b7c435128f6db54bdf21e2b5af67b54e6415151dfbac1e5b4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953860
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953860
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/035e7479-07ca-4e3c-9029-5688edce2ad4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/035e7479-07ca-4e3c-9029-5688edce2ad4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/035e7479-07ca-4e3c-9029-5688edce2ad4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T23:55:46Z
additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 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. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin 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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  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8e9d318fd11523b7c435128f6db54bdf21e2b5af67b54e6415151dfbac1e5b4. Chain 2 (Bitcoin): anchored in block 953860 (2026-06-15T23:55:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/035e7479-07ca-4e3c-9029-5688edce2ad4.json and https://artists.proofprofile.net/proofs/artist/035e7479-07ca-4e3c-9029-5688edce2ad4.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-15T23:55:46Z
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album: Fasch: Suite in G Minor - Missa Brevis in B-Flat Major - Concerto in D Major
  type: MusicAlbum
  date published: 2010-01-04
album: Mondonville: Pieces de Clavecin avec Voix et Violon, Op. 5 / Sonata in B-Flat Major
  type: MusicAlbum
  date published: 1995
album: Women in Classics
  type: MusicAlbum
  date published: 2019-05-17
album: Graupner: Concerti e Musica di tavola
  type: MusicAlbum
  date published: 2015-04-07
  track: Oboe d'amore Concerto in C Major, GWV 302: I. Vivace
    type: MusicRecording
    duration: PT4M52S
    duration ms: 292613
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    by artist: Ofer Frenkel
    by artist: Accademia Daniel
    by artist: Shalev Ad-El
    in album: Graupner: Concerti e Musica di tavola
      type: MusicAlbum
      date published: 2015-04-07
    genre: baroque
    isrc code: DEB201064512
    additional property: CopyrightID
    additional property: CopyrightStatus
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    additional property: OTSBitcoinBlock
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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/DEB201064512
    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 0x0ae3bb7b02cf09008a56517578e136f1d7ad4afbf5347fd2de4cdbb6cf8412fd. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB201064512 — a six-check JSON result.
      date published: 2026-07-08T03:20:19Z
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      additional property: Tempo (BPM)
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      additional property: Mode (Major/Minor)
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        type: PropertyValue
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      additional property: Danceability
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      additional property: Speechiness
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      additional property: Liveness
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      additional property: Valence (Positivity)
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  track: Oboe d'amore Concerto in C Major, GWV 302: II. Tempo giusto
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    duration: PT1M47S
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    by artist: Ofer Frenkel
    by artist: Accademia Daniel
    by artist: Shalev Ad-El
    in album: Graupner: Concerti e Musica di tavola
      type: MusicAlbum
      date published: 2015-04-07
    genre: baroque
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    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
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    additional property: CopyrightRegisteredAt
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    additional property: CopyrightChainExplorerURL
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB201064513
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-31T23:30:38Z
    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 0x870124855ba7ee75f5eb1de627747a147c12f3627942c1bac46b0b8f4543e492. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB201064513 — a six-check JSON result.
      date published: 2026-07-31T23:30:38Z
    audio: Oboe d'amore Concerto in C Major, GWV 302: II. Tempo giusto
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      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
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      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
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      additional property: Mode Name
  track: Oboe d'amore Concerto in C Major, GWV 302: III. Allegro
album: The Early Music Collection
album: 60 Relaxing Violin Chillout Classics
album: 100 Calm Classical Masterpieces
album: Vivaldi: Concerti "Con molti istromenti"
album: Vivaldi: The Four Seasons; Concertos etc.
album: Vivaldi: Stravaganza – 55 Concertos
album: 100 Soft and Peaceful Classical Masterpieces
album: Trevor Pinnock / Gloria
album: Vivaldi: Gloria; Stabat Mater; Nisi Dominus; Salve Regina
album: A Cadence of Classical Elegance
album: Vivacious Violins
album: Vivaldi: 7 Concerti for woodwind and strings
album: Biber: Mystery Sonatas
album: 100 Essential Vivaldi Classics
album: Vivaldi: Violin Masterpieces

Speechiness
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Acousticness
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Instrumentalness
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Liveness
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Valence (Positivity)
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value: 0.337

Loudness (dB)
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Key Name
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value: F#

Mode Name
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value: Major

Oboe d'amore Concerto in C Major, GWV 302: III. Allegro
type: MusicRecording
duration: PT3M39S
duration ms: 219746
explicit: false
by artist: Christoph Graupner
by artist: Ofer Frenkel
by artist: Accademia Daniel
by artist: Shalev Ad-El
in album: Graupner: Concerti e Musica di tavola
  type: MusicAlbum
  date published: 2015-04-07
genre: baroque
isrc code: DEB201064514
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/DEB201064514
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52Z
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 0x275e94b992929e990861dbe6cff04c1a39cfeba9e6b329eb3dec3d71d0dd84cf. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB201064514 — a six-check JSON result.
  date published: 2026-07-31T17:29:52Z
audio: Oboe d'amore Concerto in C Major, GWV 302: III. Allegro
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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The Early Music Collection
type: MusicAlbum
date published: 2012-08-27
track: Esperar, sentir, morir
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  duration: PT4M23S
  duration ms: 263853
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  by artist: Charivari Agréable
  by artist: Clara Sanabras
  by artist: Rodrigo Del Pozo
  by artist: Kah-Ming-Ng
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    type: MusicAlbum
    date published: 2012-08-27
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957061
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA561326628
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-07T16:07:00Z
  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 0xd7e62703d059ac5f9b060f36b01c02f3c7d0e67b6d8757060e5f9a02554a9a17. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA561326628 — a six-check JSON result.
    date published: 2026-07-07T16:07:00Z
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    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: Danceability
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
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    additional property: Acousticness
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track: Versa est in luctum
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  duration: PT5M25S
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  by artist: Alonso Lobo
  by artist: Tenebrae
  by artist: Nigel Short
  in album: The Early Music Collection
    type: MusicAlbum
    date published: 2012-08-27
  popularity: 20
  genre: choral
  genre: gregorian-chant
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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    value: 2026-06-09T16:23:06+00:00
  additional property: CopyrightChainExplorerURL
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  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/USA561326635
  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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x296a8c97ec4c9c6e024bb08287ea394876a7f166929058765b0d34f8e2739599. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA561326635 — a six-check JSON result.
    date published: 2026-06-13T15:41:10Z
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track: Cantate Domino
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  by artist: VOCES8
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  genre: early-music
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  genre: italian-baroque
  genre: italian-renaissance
  genre: madrigal
  genre: renaissance
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  audio: Concerto for 2 Violins and 2 Cellos in G Major, RV 575: III. Allegro
track: Concerto for 2 Mandolins in G Major, RV 532: I. Allegro
track: Concerto for 2 Mandolins in G Major, RV 532: II. Andante
track: Concerto for 2 Mandolins in G Major, RV 532: III. Allegro
track: Concerto for Oboe and Violin in B-Flat Major, RV 548: I. Allegro
track: Concerto for Oboe and Violin in B-Flat Major, RV 548: II. Largo
track: Concerto for Oboe and Violin in B-Flat Major, RV 548: III. Allegro
track: Flute Concerto in G Minor, RV 439, Op. 10 No. 2 "La notte": I. Largo
track: Flute Concerto in G Minor, RV 439, Op. 10 No. 2 "La notte": II. Fantasmi. Presto
track: Flute Concerto in G Minor, RV 439, Op. 10 No. 2 "La notte": III. Largo
track: Flute Concerto in G Minor, RV 439, Op. 10 No. 2 "La notte": IV. Presto
track: Flute Concerto in G Minor, RV 439, Op. 10 No. 2 "La notte": V. Il sonno. Largo
track: Flute Concerto in G Minor, RV 439, Op. 10 No. 2 "La notte": VI. Allegro
track: Concerto for Strings in G Major, RV 151 "Alla rustica": I. Presto
track: Concerto for Strings in G Major, RV 151 "Alla rustica": II. Adagio
track: Concerto for Strings in G Major, RV 151 "Alla rustica": III. Allegro
track: L'estro armonico, Concerto for 4 Violins in D Major, RV 549, Op. 3 No. 1: I. Allegro
track: L'estro armonico, Concerto for 4 Violins in D Major, RV 549, Op. 3 No. 1: II. Largo e spiccato
track: L'estro armonico, Concerto for 4 Violins in D Major, RV 549, Op. 3 No. 1: III. Allegro
track: Bassoon Concerto No. 6 in E Minor, RV 484: I. Allegro poco
track: Bassoon Concerto No. 6 in E Minor, RV 484: II. Andante
track: Bassoon Concerto No. 6 in E Minor, RV 484: III. Allegro
track: Concerto con molti strumenti in C Major, RV 558: I. Allegro molto
track: Concerto con molti strumenti in C Major, RV 558: II. Andante molto
track: Concerto con molti strumenti in C Major, RV 558: III. Allegro

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by artist: Antonio Vivaldi
by artist: James Tyler
by artist: Robin Jeffrey
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: Concerti "Con molti istromenti"
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  date published: 1996-01-01
popularity: 36
genre: classical
genre: early-music
genre: baroque
genre: concerto
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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
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  date published: 2026-06-13T12:47:07Z
audio: Concerto for 2 Mandolins in G Major, RV 532: III. Allegro
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Concerto for Oboe and Violin in B-Flat Major, RV 548: I. Allegro
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duration: PT3M51S
duration ms: 231013
explicit: false
by artist: Antonio Vivaldi
by artist: David Reichenberg
by artist: Simon Standage
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: Concerti "Con molti istromenti"
  type: MusicAlbum
  date published: 1996-01-01
popularity: 3
genre: classical
genre: early-music
genre: baroque
genre: concerto
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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: Concerto for Oboe and Violin in B-Flat Major, RV 548: I. Allegro
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Concerto for Oboe and Violin in B-Flat Major, RV 548: II. Largo
type: MusicRecording
duration: PT3M21S
duration ms: 201000
explicit: false
by artist: Antonio Vivaldi
by artist: David Reichenberg
by artist: Simon Standage
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: Concerti "Con molti istromenti"
  type: MusicAlbum
  date published: 1996-01-01
popularity: 15
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF058501222
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
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  date published: 2026-06-13T13:32:09Z
audio: Concerto for Oboe and Violin in B-Flat Major, RV 548: II. Largo
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Concerto for Oboe and Violin in B-Flat Major, RV 548: III. Allegro
type: MusicRecording
duration: PT2M11S
duration ms: 131000
explicit: false
by artist: Antonio Vivaldi
by artist: David Reichenberg
by artist: Simon Standage
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: Concerti "Con molti istromenti"
  type: MusicAlbum
  date published: 1996-01-01
popularity: 3
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF058501223
additional property: CopyrightID
additional property: CopyrightStatus
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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
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  date published: 2026-07-08T03:20:19Z
audio: Concerto for Oboe and Violin in B-Flat Major, RV 548: III. Allegro
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Flute Concerto in G Minor, RV 439, Op. 10 No. 2 "La notte": I. Largo
type: MusicRecording
duration: PT2M4S
duration ms: 124666
explicit: false
by artist: Antonio Vivaldi
by artist: Lisa Beznosiuk
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: Concerti "Con molti istromenti"
  type: MusicAlbum
  date published: 1996-01-01
popularity: 5
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF058703891
additional property: CopyrightID
additional property: CopyrightStatus
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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/DEF058703891
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T08:30:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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: 2026-07-30T08:30:10Z
audio: Flute Concerto in G Minor, RV 439, Op. 10 No. 2 "La notte": I. Largo
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Flute Concerto in G Minor, RV 439, Op. 10 No. 2 "La notte": II. Fantasmi. Presto
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duration: PT0M55S
duration ms: 55866
explicit: false
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by artist: Lisa Beznosiuk
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: Concerti "Con molti istromenti"
  type: MusicAlbum
  date published: 1996-01-01
popularity: 7
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF058703892
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058703892
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 0x080eaf218c1b6d6f341ee3c69db0cde421ba885c26d09786720b34fee7357083. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058703892 — a six-check JSON result.
  date published: 2026-07-29T21:09:47Z
audio: Flute Concerto in G Minor, RV 439, Op. 10 No. 2 "La notte": II. Fantasmi. Presto
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Flute Concerto in G Minor, RV 439, Op. 10 No. 2 "La notte": III. Largo
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duration: PT1M5S
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by artist: Antonio Vivaldi
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by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: Concerti "Con molti istromenti"
  type: MusicAlbum
  date published: 1996-01-01
popularity: 8
genre: classical
genre: early-music
genre: baroque
genre: concerto
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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
  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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Flute Concerto in G Minor, RV 439, Op. 10 No. 2 "La notte": IV. Presto
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Flute Concerto in G Minor, RV 439, Op. 10 No. 2 "La notte": V. Il sonno. Largo
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Flute Concerto in G Minor, RV 439, Op. 10 No. 2 "La notte": VI. Allegro
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Concerto for Strings in G Major, RV 151 "Alla rustica": I. Presto
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Concerto for Strings in G Major, RV 151 "Alla rustica": II. Adagio
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Concerto for Strings in G Major, RV 151 "Alla rustica": III. Allegro
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L'estro armonico, Concerto for 4 Violins in D Major, RV 549, Op. 3 No. 1: I. Allegro
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in album: Vivaldi: Concerti "Con molti istromenti"
  type: MusicAlbum
  date published: 1996-01-01
popularity: 2
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF058702031
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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
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  date published: 2026-07-08T08:56:20Z
audio: L'estro armonico, Concerto for 4 Violins in D Major, RV 549, Op. 3 No. 1: I. Allegro
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L'estro armonico, Concerto for 4 Violins in D Major, RV 549, Op. 3 No. 1: II. Largo e spiccato
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duration: PT2M25S
duration ms: 145000
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by artist: Antonio Vivaldi
by artist: Simon Standage
by artist: Elizabeth Wilcock
by artist: Micaela Comberti
by artist: Miles Golding
by artist: Jaap Ter Linden
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: Concerti "Con molti istromenti"
  type: MusicAlbum
  date published: 1996-01-01
popularity: 2
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF058702032
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
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  date published: 2026-07-08T03:39:04Z
audio: L'estro armonico, Concerto for 4 Violins in D Major, RV 549, Op. 3 No. 1: II. Largo e spiccato
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L'estro armonico, Concerto for 4 Violins in D Major, RV 549, Op. 3 No. 1: III. Allegro
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duration: PT2M15S
duration ms: 135000
explicit: false
by artist: Antonio Vivaldi
by artist: Simon Standage
by artist: Elizabeth Wilcock
by artist: Micaela Comberti
by artist: Miles Golding
by artist: Jaap Ter Linden
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: Concerti "Con molti istromenti"
  type: MusicAlbum
  date published: 1996-01-01
popularity: 2
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF058702033
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
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  date published: 2026-07-08T03:20:19Z
audio: L'estro armonico, Concerto for 4 Violins in D Major, RV 549, Op. 3 No. 1: III. Allegro
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Bassoon Concerto No. 6 in E Minor, RV 484: I. Allegro poco
type: MusicRecording
duration: PT4M55S
duration ms: 295000
explicit: false
by artist: Antonio Vivaldi
by artist: Milan Turkovic
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: Concerti "Con molti istromenti"
  type: MusicAlbum
  date published: 1996-01-01
popularity: 5
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF058602291
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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/DEF058602291
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
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  date published: 2026-07-30T06:57:05Z
audio: Bassoon Concerto No. 6 in E Minor, RV 484: I. Allegro poco
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Bassoon Concerto No. 6 in E Minor, RV 484: II. Andante
type: MusicRecording
duration: PT3M38S
duration ms: 218666
explicit: false
by artist: Antonio Vivaldi
by artist: Milan Turkovic
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: Concerti "Con molti istromenti"
  type: MusicAlbum
  date published: 1996-01-01
popularity: 4
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF058602292
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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/DEF058602292
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
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  date published: 2026-07-30T20:09:33Z
audio: Bassoon Concerto No. 6 in E Minor, RV 484: II. Andante
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Bassoon Concerto No. 6 in E Minor, RV 484: III. Allegro
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duration: PT3M15S
duration ms: 195333
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by artist: Antonio Vivaldi
by artist: Milan Turkovic
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: Concerti "Con molti istromenti"
  type: MusicAlbum
  date published: 1996-01-01
popularity: 4
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF058602293
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: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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 0xea9783b77d24cf503539d850971bdc927f55673f04520675b52705e7d532fd3d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058602293 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bassoon Concerto No. 6 in E Minor, RV 484: III. Allegro
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Concerto con molti strumenti in C Major, RV 558: I. Allegro molto
type: MusicRecording
duration: PT5M28S
duration ms: 328000
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by artist: Antonio Vivaldi
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: Concerti "Con molti istromenti"
  type: MusicAlbum
  date published: 1996-01-01
popularity: 3
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF058501231
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: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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
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track: The Four Seasons, Spring, Violin Concerto in E Major, RV 269, Op. 8 No. 1: III. Danza pastorale. Allegro
track: Concerto for 2 Violins and 2 Cellos in G Major, RV 575: III. Allegro
track: The Four Seasons, Summer, Violin Concerto in G Minor, RV 315, Op. 8 No. 2: I. Allegro non molto – Allegro
track: Concerto for 2 Mandolins in G Major, RV 532: I. Allegro
track: The Four Seasons, Summer, Violin Concerto in G Minor, RV 315, Op. 8 No. 2: II. Adagio e piano – Presto e forte
track: Concerto for 2 Mandolins in G Major, RV 532: II. Andante
track: The Four Seasons, Summer, Violin Concerto in G Minor, RV 315, Op. 8 No. 2: III. Presto
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track: The Four Seasons, Autumn, Violin Concerto in F Major, RV 293, Op. 8 No. 3: II. Adagio molto
track: Concerto for Oboe and Violin in B-Flat Major, RV 548: II. Largo
track: The Four Seasons, Autumn, Violin Concerto in F Major, RV 293, Op. 8 No. 3: III. La caccia. Allegro
track: The Four Seasons, Winter, Violin Concerto in F Minor, RV 297, Op. 8 No. 4: I. Allegro non molto
track: The Four Seasons, Winter, Violin Concerto in F Minor, RV 297, Op. 8 No. 4: II. Largo
track: The Four Seasons, Winter, Violin Concerto in F Minor, RV 297, Op. 8 No. 4: III. Allegro
track: Gloria, RV 589: I. Gloria in excelsis Deo
track: Gloria, RV 589: II. Et in terra pax
track: Gloria, RV 589: III. Laudamus te
track: Gloria, RV 589: IV. Gratias agimus tibi
track: Gloria, RV 589: IX. Qui tollis peccata mundi
track: Gloria, RV 589: V. Propter magnam gloriam tuam
track: Gloria, RV 589: VI. Domine Deus, Rex caelestis
track: Gloria, RV 589: VII. Domine Fili unigenite
track: Gloria, RV 589: VIII. Domine Deus, Agnus Dei
track: Gloria, RV 589: X. Qui sedes ad dexteram Patris
track: Gloria, RV 589: XI. Quoniam tu solus sanctus
track: Gloria, RV 589: XII. Cum Sancto Spiritu

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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: The Four Seasons, Spring, Violin Concerto in E Major, RV 269, Op. 8 No. 1: III. Danza pastorale. Allegro
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Concerto for 2 Violins and 2 Cellos in G Major, RV 575: III. Allegro
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by artist: Peter Hanson
by artist: Walter Reiter
by artist: Jane Coe
by artist: David Watkin
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: The Four Seasons; Concertos etc.
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popularity: 3
genre: classical
genre: early-music
genre: baroque
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additional property: OTSVerificationAPI
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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
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The Four Seasons, Summer, Violin Concerto in G Minor, RV 315, Op. 8 No. 2: I. Allegro non molto – Allegro
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by artist: Simon Standage
by artist: The English Concert
by artist: Trevor Pinnock
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popularity: 2
genre: classical
genre: early-music
genre: baroque
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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: 2026-07-30T09:57:33Z
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Concerto for 2 Mandolins in G Major, RV 532: I. Allegro
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duration: PT4M2S
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by artist: Antonio Vivaldi
by artist: James Tyler
by artist: Robin Jeffrey
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: The Four Seasons; Concertos etc.
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  date published: 2000-01-01
popularity: 2
genre: classical
genre: early-music
genre: baroque
genre: concerto
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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 for 2 Mandolins in G Major, RV 532: I. Allegro
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The Four Seasons, Summer, Violin Concerto in G Minor, RV 315, Op. 8 No. 2: II. Adagio e piano – Presto e forte
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by artist: Simon Standage
by artist: The English Concert
by artist: Trevor Pinnock
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popularity: 2
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additional property: OTSTimestamp
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Concerto for 2 Mandolins in G Major, RV 532: II. Andante
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by artist: Robin Jeffrey
by artist: The English Concert
by artist: Trevor Pinnock
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popularity: 1
genre: classical
genre: early-music
genre: baroque
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additional property: OTSTimestamp
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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The Four Seasons, Summer, Violin Concerto in G Minor, RV 315, Op. 8 No. 2: III. Presto
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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
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Concerto for 2 Mandolins in G Major, RV 532: III. Allegro
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by artist: James Tyler
by artist: Robin Jeffrey
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: The Four Seasons; Concertos etc.
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popularity: 8
genre: classical
genre: early-music
genre: baroque
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
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The Four Seasons, Autumn, Violin Concerto in F Major, RV 293, Op. 8 No. 3: II. Adagio molto
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by artist: Trevor Pinnock
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popularity: 2
genre: classical
genre: early-music
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T04:14:58Z
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Concerto for Oboe and Violin in B-Flat Major, RV 548: II. Largo
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by artist: David Reichenberg
by artist: Simon Standage
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: The Four Seasons; Concertos etc.
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popularity: 1
genre: classical
genre: early-music
genre: baroque
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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The Four Seasons, Autumn, Violin Concerto in F Major, RV 293, Op. 8 No. 3: III. La caccia. Allegro
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by artist: Simon Standage
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by artist: Trevor Pinnock
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
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The Four Seasons, Winter, Violin Concerto in F Minor, RV 297, Op. 8 No. 4: I. Allegro non molto
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genre: classical
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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
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The Four Seasons, Winter, Violin Concerto in F Minor, RV 297, Op. 8 No. 4: II. Largo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:53:06Z
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The Four Seasons, Winter, Violin Concerto in F Minor, RV 297, Op. 8 No. 4: III. 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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6494da702d6ab75020a53baf78a85ec5d690d297900792d237ad9fb1da9e4dd. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058104823 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: The Four Seasons, Winter, Violin Concerto in F Minor, RV 297, Op. 8 No. 4: III. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.009
  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: 0.428
  additional property: Energy
    type: PropertyValue
    value: 0.208
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.863
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.138
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.366
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.094
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Gloria, RV 589: I. Gloria in excelsis Deo
type: MusicRecording
duration: PT2M21S
duration ms: 141200
explicit: false
by artist: Antonio Vivaldi
by artist: The English Concert
by artist: Trevor Pinnock
by artist: Paul Goodwin
by artist: Mark Bennett
by artist: The English Concert Choir
in album: Vivaldi: The Four Seasons; Concertos etc.
  type: MusicAlbum
  date published: 2000-01-01
popularity: 33
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF059231301
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T06:02:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1854cb48a2c24c3cc7616cd730f801e2e9fdb3f3a41b073501934e5551c0d631
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231301
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 0x1854cb48a2c24c3cc7616cd730f801e2e9fdb3f3a41b073501934e5551c0d631. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231301 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Gloria, RV 589: I. Gloria in excelsis Deo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.427
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.602
  additional property: Energy
    type: PropertyValue
    value: 0.355
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.941
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.853
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.51
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.394
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Gloria, RV 589: II. Et in terra pax
type: MusicRecording
duration: PT5M15S
duration ms: 315613
explicit: false
by artist: Antonio Vivaldi
by artist: The English Concert
by artist: Trevor Pinnock
by artist: The English Concert Choir
in album: Vivaldi: The Four Seasons; Concertos etc.
  type: MusicAlbum
  date published: 2000-01-01
popularity: 2
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF059231302
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:49:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x88e729590961432a7dd785c13c1abd9f3ca8fe458a959be2336eac782add08dc
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/DEF059231302
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 0x88e729590961432a7dd785c13c1abd9f3ca8fe458a959be2336eac782add08dc. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231302 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Gloria, RV 589: II. Et in terra pax
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.094
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.232
  additional property: Energy
    type: PropertyValue
    value: 0.082
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.959
  additional property: Liveness
    type: PropertyValue
    value: 0.144
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.044
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.895
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Gloria, RV 589: III. Laudamus te
type: MusicRecording
duration: PT2M16S
duration ms: 136000
explicit: false
by artist: Antonio Vivaldi
by artist: Jennifer Smith
by artist: Nancy Argenta
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: The Four Seasons; Concertos etc.
  type: MusicAlbum
  date published: 2000-01-01
popularity: 2
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF059231303
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T13:41:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9ba8448115962f7e20b882942fd43877584cfb269f04d8f5e9397cacad1a2b9f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960264
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960264
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231303
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:36:16Z
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 0x9ba8448115962f7e20b882942fd43877584cfb269f04d8f5e9397cacad1a2b9f. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231303 — a six-check JSON result.
  date published: 2026-07-30T14:36:16Z
audio: Gloria, RV 589: III. Laudamus te
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.802
  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: 0.562
  additional property: Energy
    type: PropertyValue
    value: 0.141
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.032
  additional property: Liveness
    type: PropertyValue
    value: 0.178
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.613
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.886
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Gloria, RV 589: IV. Gratias agimus tibi
type: MusicRecording
duration: PT0M30S
duration ms: 30986
explicit: false
by artist: Antonio Vivaldi
by artist: The English Concert
by artist: Trevor Pinnock
by artist: The English Concert Choir
in album: Vivaldi: The Four Seasons; Concertos etc.
  type: MusicAlbum
  date published: 2000-01-01
popularity: 2
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF059231304
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T17:59:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x18bcb793473273de86dea9a0c580ccd746f06291d32f688b0031b3fa8af2493a
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/DEF059231304
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18bcb793473273de86dea9a0c580ccd746f06291d32f688b0031b3fa8af2493a. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231304 — a six-check JSON result.
  date published: 2026-07-31T18:48:12Z
audio: Gloria, RV 589: IV. Gratias agimus tibi
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.07
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.127
  additional property: Energy
    type: PropertyValue
    value: 0.198
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.957
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.217
  additional property: Liveness
    type: PropertyValue
    value: 0.16
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.39
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Gloria, RV 589: IX. Qui tollis peccata mundi
type: MusicRecording
duration: PT0M50S
duration ms: 50013
explicit: false
by artist: Antonio Vivaldi
by artist: The English Concert
by artist: Trevor Pinnock
by artist: The English Concert Choir
in album: Vivaldi: The Four Seasons; Concertos etc.
  type: MusicAlbum
  date published: 2000-01-01
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF059231305
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:48:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x198fd8965c9084638dfff96f8263f947d7997d11da537f35ea3ec6a45ea68e3f
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/DEF059231305
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 0x198fd8965c9084638dfff96f8263f947d7997d11da537f35ea3ec6a45ea68e3f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231305 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Gloria, RV 589: IX. Qui tollis peccata mundi
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.253
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.382
  additional property: Energy
    type: PropertyValue
    value: 0.325
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.951
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.014
  additional property: Liveness
    type: PropertyValue
    value: 0.132
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.613
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.44
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Gloria, RV 589: V. Propter magnam gloriam tuam
type: MusicRecording
duration: PT4M34S
duration ms: 274666
explicit: false
by artist: Antonio Vivaldi
by artist: Jennifer Smith
by artist: The English Concert
by artist: Trevor Pinnock
by artist: Paul Goodwin
in album: Vivaldi: The Four Seasons; Concertos etc.
  type: MusicAlbum
  date published: 2000-01-01
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF059231306
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:59:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd8f704435b5be127f24c4ba8b74b7640fafbb0843a5b6b30fcf39ff96b0e6301
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/DEF059231306
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 0xd8f704435b5be127f24c4ba8b74b7640fafbb0843a5b6b30fcf39ff96b0e6301. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231306 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Gloria, RV 589: V. Propter magnam gloriam tuam
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.706
  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: 0.202
  additional property: Energy
    type: PropertyValue
    value: 0.026
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.946
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.557
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.109
  additional property: Loudness (dB)
    type: PropertyValue
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Gloria, RV 589: VI. Domine Deus, Rex caelestis
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by artist: The English Concert
by artist: Trevor Pinnock
by artist: The English Concert Choir
in album: Vivaldi: The Four Seasons; Concertos etc.
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popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Gloria, RV 589: VII. Domine Fili unigenite
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by artist: Antonio Vivaldi
by artist: Catherine Wyn-Rogers
by artist: The English Concert
by artist: Trevor Pinnock
by artist: The English Concert Choir
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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
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Gloria, RV 589: VIII. Domine Deus, Agnus Dei
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by artist: The English Concert
by artist: Trevor Pinnock
by artist: The English Concert Choir
in album: Vivaldi: The Four Seasons; Concertos etc.
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popularity: 1
genre: classical
genre: early-music
genre: baroque
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
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Gloria, RV 589: X. Qui sedes ad dexteram Patris
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by artist: Antonio Vivaldi
by artist: Catherine Wyn-Rogers
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: The Four Seasons; Concertos etc.
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popularity: 4
genre: classical
genre: early-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T02:05:19Z
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Gloria, RV 589: XI. Quoniam tu solus sanctus
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
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Gloria, RV 589: XII. Cum Sancto Spiritu
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Vivaldi: Stravaganza – 55 Concertos
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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: The Four Seasons, Summer, Violin Concerto in G Minor, RV 315, Op. 8 No. 2: III. Presto
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The Four Seasons, Autumn, Violin Concerto in F Major, RV 293, Op. 8 No. 3: I. Allegro
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duration: PT4M52S
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by artist: Antonio Vivaldi
by artist: Simon Standage
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: Stravaganza – 55 Concertos
  type: MusicAlbum
  date published: 2012-01-01
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
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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: The Four Seasons, Autumn, Violin Concerto in F Major, RV 293, Op. 8 No. 3: I. Allegro
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L'estro armonico, Concerto for 2 Violins in G Minor, RV 578, Op. 3 No. 2: IV. Allegro
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duration: PT2M27S
duration ms: 147360
explicit: false
by artist: Antonio Vivaldi
by artist: Simon Standage
by artist: Micaela Comberti
by artist: Jaap Ter Linden
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: Stravaganza – 55 Concertos
  type: MusicAlbum
  date published: 2012-01-01
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
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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
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  date published: 2026-07-08T03:20:19Z
audio: L'estro armonico, Concerto for 2 Violins in G Minor, RV 578, Op. 3 No. 2: IV. Allegro
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L'estro armonico, Violin Concerto in G Major, RV 310, Op. 3 No. 3: I. Allegro
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duration: PT2M16S
duration ms: 136080
explicit: false
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by artist: Simon Standage
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: Stravaganza – 55 Concertos
  type: MusicAlbum
  date published: 2012-01-01
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF058603281
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
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  date published: 2026-07-08T03:22:41Z
audio: L'estro armonico, Violin Concerto in G Major, RV 310, Op. 3 No. 3: I. Allegro
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The Four Seasons, Winter, Violin Concerto in F Minor, RV 297, Op. 8 No. 4: I. Allegro non molto
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duration: PT3M14S
duration ms: 194666
explicit: false
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by artist: Simon Standage
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: Stravaganza – 55 Concertos
  type: MusicAlbum
  date published: 2012-01-01
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF058104821
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
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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: 2026-07-08T03:20:19Z
audio: The Four Seasons, Winter, Violin Concerto in F Minor, RV 297, Op. 8 No. 4: I. Allegro non molto
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L'estro armonico, Violin Concerto in G Major, RV 310, Op. 3 No. 3: III. Allegro
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duration ms: 138560
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by artist: Simon Standage
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: Stravaganza – 55 Concertos
  type: MusicAlbum
  date published: 2012-01-01
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF058603283
additional property: CopyrightID
additional property: CopyrightStatus
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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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  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: 2026-07-08T03:20:19Z
audio: L'estro armonico, Violin Concerto in G Major, RV 310, Op. 3 No. 3: III. Allegro
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L'estro armonico, Concerto for 4 Violins in E Minor, RV 550, Op. 3 No. 4: II. Allegro assai
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by artist: The English Concert
by artist: Trevor Pinnock
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  date published: 2012-01-01
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF058603292
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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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Concerto for Strings in D Minor, RV 128: III. Allegro
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L'estro armonico, Violin Concerto in A Minor, RV 356, Op. 3 No. 6: I. Allegro
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L'estro armonico, Violin Concerto in A Minor, RV 356, Op. 3 No. 6: III. Presto
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L'estro armonico, Concerto for 2 Violins in A Minor, RV 522, Op. 3 No. 8: I. Allegro
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L'estro armonico, Violin Concerto in D Major, RV 230, Op. 3 No. 9: I. Allegro
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100 Soft and Peaceful Classical Masterpieces
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Trevor Pinnock / Gloria
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Vivacious Violins
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track: Concerto for Oboe and Strings in C , Op. 8/12 , RV 449: Allegro
track: Concerto for Oboe and Strings in C , Op. 8/12 , RV 449: Allegro (ii)
track: Bassoon Concerto in F, R.485: 1. Allegro non molto
track: Bassoon Concerto in F, R.485: 2. Andante
track: Concerto for Strings and Continuo in B flat, R.166: 1. Allegro
track: Concerto for Strings and Continuo in B flat, R.166: 2. Adagio
track: Concerto for Strings and Continuo in B flat, R.166: 3. (Allegro)
track: Concerto in G minor, R.577 - "per l'Orchestra di Dresda": 1. (Allegro)
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track: Flautino Concerto in C, R.444: 1. Allegro non molto
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track: Concerto for 2 Violins, 2 Cellos, Strings and Continuo in G, R.575: 1. Allegro
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track: Concerto for 2 Violins, 2 Cellos, Strings and Continuo in G, R.575: 3. Allegro

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by artist: Paul Goodwin
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: 7 Concerti for woodwind and strings
  type: MusicAlbum
  date published: 1995-01-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF059304491
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T12:16:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1f453b49eec3700d665084afdf8df5a89e1f3fdb4f38ea5d5e13d571844603d7
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/DEF059304491
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 0x1f453b49eec3700d665084afdf8df5a89e1f3fdb4f38ea5d5e13d571844603d7. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059304491 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Concerto for Oboe and Strings in C , Op. 8/12 , RV 449: 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
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
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  additional property: Instrumentalness
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    value: 0.915
  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto for Oboe and Strings in C , Op. 8/12 , RV 449: Allegro (ii)
type: MusicRecording
duration: PT3M12S
duration ms: 192026
explicit: false
by artist: Antonio Vivaldi
by artist: Paul Goodwin
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: 7 Concerti for woodwind and strings
  type: MusicAlbum
  date published: 1995-01-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF059304493
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdd0eb665a575d7934d583400d9549a1b7c3958dda258fe14ab4029390b41645a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960403
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960403
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059304493
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34Z
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 0xdd0eb665a575d7934d583400d9549a1b7c3958dda258fe14ab4029390b41645a. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059304493 — a six-check JSON result.
  date published: 2026-07-31T13:04:34Z
audio: Concerto for Oboe and Strings in C , Op. 8/12 , RV 449: Allegro (ii)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.064
  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: 0.434
  additional property: Energy
    type: PropertyValue
    value: 0.234
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.923
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.846
  additional property: Liveness
    type: PropertyValue
    value: 0.305
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.498
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.771
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bassoon Concerto in F, R.485: 1. Allegro non molto
type: MusicRecording
duration: PT3M53S
duration ms: 233506
explicit: false
by artist: Antonio Vivaldi
by artist: Alberto Grazzi
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: 7 Concerti for woodwind and strings
  type: MusicAlbum
  date published: 1995-01-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF059304501
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T00:38:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8a6c6b576d891406bc07664c503fbd9243b39a25c574ea177667c9787117624c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059304501
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
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 0x8a6c6b576d891406bc07664c503fbd9243b39a25c574ea177667c9787117624c. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059304501 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Bassoon Concerto in F, R.485: 1. Allegro non molto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.255
  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: 0.322
  additional property: Energy
    type: PropertyValue
    value: 0.071
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.533
  additional property: Liveness
    type: PropertyValue
    value: 0.15
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.183
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.546
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bassoon Concerto in F, R.485: 2. Andante
type: MusicRecording
duration: PT3M8S
duration ms: 188666
explicit: false
by artist: Antonio Vivaldi
by artist: Alberto Grazzi
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: 7 Concerti for woodwind and strings
  type: MusicAlbum
  date published: 1995-01-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF059304502
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T00:42:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x130ade1ad297522c0ba228c6965a327ee05432f1ca6148d574c5368c37c6077d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059304502
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
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 0x130ade1ad297522c0ba228c6965a327ee05432f1ca6148d574c5368c37c6077d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059304502 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Bassoon Concerto in F, R.485: 2. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.483
  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: 0.195
  additional property: Energy
    type: PropertyValue
    value: 0.024
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.656
  additional property: Liveness
    type: PropertyValue
    value: 0.132
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.094
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.078
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto for Strings and Continuo in B flat, R.166: 1. Allegro
type: MusicRecording
duration: PT1M46S
duration ms: 106666
explicit: false
by artist: Antonio Vivaldi
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: 7 Concerti for woodwind and strings
  type: MusicAlbum
  date published: 1995-01-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF059304511
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T17:43:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0e03c97841e3c548e3319357d363f3a7ef16199e896acc3358303d50102e37cd
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/DEF059304511
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 0x0e03c97841e3c548e3319357d363f3a7ef16199e896acc3358303d50102e37cd. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059304511 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Concerto for Strings and Continuo in B flat, R.166: 1. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.883
  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: 0.436
  additional property: Energy
    type: PropertyValue
    value: 0.305
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.824
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.692
  additional property: Liveness
    type: PropertyValue
    value: 0.44
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.739
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.145
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto for Strings and Continuo in B flat, R.166: 2. Adagio
type: MusicRecording
duration: PT1M43S
duration ms: 103493
explicit: false
by artist: Antonio Vivaldi
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: 7 Concerti for woodwind and strings
  type: MusicAlbum
  date published: 1995-01-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF059304512
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T10:16:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc1bc1f3b3b6fa3c02a21cdf161850a49bc097aed8da82f5591232cc9f06f1a5d
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/DEF059304512
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 0xc1bc1f3b3b6fa3c02a21cdf161850a49bc097aed8da82f5591232cc9f06f1a5d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059304512 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Concerto for Strings and Continuo in B flat, R.166: 2. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.21
  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: 0.166
  additional property: Energy
    type: PropertyValue
    value: 0.096
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.565
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.22
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.366
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto for Strings and Continuo in B flat, R.166: 3. (Allegro)
type: MusicRecording
duration: PT1M27S
duration ms: 87840
explicit: false
by artist: Antonio Vivaldi
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: 7 Concerti for woodwind and strings
  type: MusicAlbum
  date published: 1995-01-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEF059304513
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T23:36:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2613dd6b8e2dfe731ed2e8dab22d4a244dbac3f1bbc714358bc689714d3460a1
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/DEF059304513
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 0x2613dd6b8e2dfe731ed2e8dab22d4a244dbac3f1bbc714358bc689714d3460a1. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059304513 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
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Concerto in G minor, R.577 - "per l'Orchestra di Dresda": 1. (Allegro)
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by artist: Peter Holtslag
by artist: Catherine Latham
by artist: Paul Goodwin
by artist: Lorraine Wood
by artist: Peter Hanson
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: 7 Concerti for woodwind and strings
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genre: classical
genre: early-music
genre: 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
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Concerto in G minor, R.577 - "per l'Orchestra di Dresda": 2. Largo non molto
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duration: PT2M12S
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by artist: Peter Holtslag
by artist: Catherine Latham
by artist: Paul Goodwin
by artist: Lorraine Wood
by artist: Peter Hanson
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: 7 Concerti for woodwind and strings
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genre: classical
genre: early-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T17:29:52Z
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Concerto in G minor, R.577 - "per l'Orchestra di Dresda": 3. Allegro
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duration: PT3M28S
duration ms: 208493
explicit: false
by artist: Antonio Vivaldi
by artist: Peter Holtslag
by artist: Catherine Latham
by artist: Paul Goodwin
by artist: Lorraine Wood
by artist: Peter Hanson
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: 7 Concerti for woodwind and strings
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genre: classical
genre: early-music
genre: baroque
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Flautino Concerto in C, R.444: 1. Allegro non molto
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duration: PT4M53S
duration ms: 293706
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by artist: Peter Holtslag
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: 7 Concerti for woodwind and strings
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genre: classical
genre: early-music
genre: 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: Flautino Concerto in C, R.444: 1. Allegro non molto
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Flautino Concerto in C, R.444: 2. Largo
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by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: 7 Concerti for woodwind and strings
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genre: classical
genre: early-music
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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: 2026-07-08T03:22:41Z
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Concerto for 2 Violins, 2 Cellos, Strings and Continuo in G, R.575: 1. Allegro
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duration: PT3M4S
duration ms: 184666
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by artist: David Watkin
by artist: The English Concert
by artist: Trevor Pinnock
in album: Vivaldi: 7 Concerti for woodwind and strings
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  date published: 1995-01-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
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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 0xd131c352e75a04b60eb601d04df0256628e35289f1de498594d2e095faea791f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059304541 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
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Concerto for 2 Violins, 2 Cellos, Strings and Continuo in G, R.575: 2. Largo
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type: MusicAlbum
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type: MusicAlbum
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