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genre: classical
popularity: 30
followers: 502
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subject of: OpenTimestamps Proof of Existence
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album: Baroque Journey
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  date published: 2019-02-22
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      date published: 2019-02-22
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-02T03:30:09Z
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-02T03:30:09Z
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  track: Matthäus-Passion, BWV 244 / Zweiter Teil: 39. "Erbarme dich" (Performed on Recorder)
  track: Orchestral Suite No. 2 in B Minor, BWV 1067: 7. Badinerie (Performed on Recorder)
  track: Sonate concertate in stil moderno à 2 e 3 voci, Libro primo: Sonata seconda (Arr. Recorder & Lute)
  track: Recorder Concerto in F Major: 1. Allegro
  track: Recorder Concerto in F Major: 2. Siciliano
  track: Recorder Concerto in F Major: 3. Allegro assai
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  track: Pièces de clavecin - Troisième livre / 14e ordre: Le rossignol-en-amour (Arr. Recorder & Lute)
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  track: Recorder Concerto in C Major, Op. 17, No. 1: 2. Lentement
  track: Recorder Concerto in C Major, Op. 17, No. 1: 3. Légèrement
  track: Divisions on a Ground
  track: Dido and Aeneas, Z. 626 / Act 3: "When I am laid in earth" (Dido's Lament) (Performed on Recorder)
  track: Der Fluyten Lust-Hof: 27. Engels nachtegaeltje
album: Scherzi da Violino Solo, No. 1: Suite in A Major: III. Sarabanda
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track: Concerto for 4 Violins and Cello in D Major, Op. 3 No. 1, RV 549: I. Allegro
track: Concerto for 4 Violins and Cello in B Minor, Op. 3 No. 10, RV 580: I. Allegro
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track: Concerto for 4 Violins and Cello in D Major, Op. 3 No. 1, RV 549: III. Allegro
track: Concerto for 2 Violins and Cello in G Minor, Op. 3 No. 2, RV 578: II. Larghetto
track: Concerto for 2 Violins and Cello in G Minor, Op. 3 No. 2, RV 578: III. Allegro

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Oboe Concerto in D Minor, BWV 1059R: 1. Allegro (Performed on Recorder)
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  date published: 2019-02-22
popularity: 24
genre: classical
genre: classical-piano
genre: early-music
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genre: chamber-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
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  date published: 2019-02-22
popularity: 12
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
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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: 2026-07-02T03:55:08Z
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by artist: Academy of Ancient Music
by artist: Bojan Čičić
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popularity: 24
genre: classical
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genre: early-music
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genre: chamber-music
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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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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Mode Name
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Matthäus-Passion, BWV 244 / Zweiter Teil: 39. "Erbarme dich" (Performed on Recorder)
type: MusicRecording
duration: PT6M27S
duration ms: 387893
explicit: false
by artist: Johann Sebastian Bach
by artist: Lucie Horsch
by artist: Academy of Ancient Music
by artist: Bojan Čičić
in album: Baroque Journey
  type: MusicAlbum
  date published: 2019-02-22
popularity: 12
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: GBBBA1800643
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  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/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800643
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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 0x36138fad176a54ae72794dc79a54224766bb5edb8370d708b07b0e5714700f7a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBBBA1800643 — a six-check JSON result.
  date published: 2026-07-02T05:09:12Z
audio: Matthäus-Passion, BWV 244 / Zweiter Teil: 39. "Erbarme dich" (Performed on Recorder)
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  additional property: Tempo (BPM)
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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    type: PropertyValue
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Orchestral Suite No. 2 in B Minor, BWV 1067: 7. Badinerie (Performed on Recorder)
type: MusicRecording
duration: PT1M29S
duration ms: 89920
explicit: false
by artist: Johann Sebastian Bach
by artist: Lucie Horsch
by artist: Academy of Ancient Music
by artist: Bojan Čičić
in album: Baroque Journey
  type: MusicAlbum
  date published: 2019-02-22
popularity: 20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: GBBBA1800644
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  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/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800644
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x510622de25977e5a6b7193f582d4ddf018e73451d1482d69b2831271e8d57031. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800644 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Orchestral Suite No. 2 in B Minor, BWV 1067: 7. Badinerie (Performed on Recorder)
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  additional property: Tempo (BPM)
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  additional property: Danceability
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Sonate concertate in stil moderno à 2 e 3 voci, Libro primo: Sonata seconda (Arr. Recorder & Lute)
type: MusicRecording
duration: PT4M38S
duration ms: 278933
explicit: false
by artist: Dario Castello
by artist: Lucie Horsch
by artist: Thomas Dunford
in album: Baroque Journey
  type: MusicAlbum
  date published: 2019-02-22
popularity: 13
genre: baroque
genre: italian-baroque
isrc code: GBBBA1800645
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x85b1f935855bb4155df55620aece60eb90adbcae9e145ddb01dbb130dd5b681e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800645
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85b1f935855bb4155df55620aece60eb90adbcae9e145ddb01dbb130dd5b681e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800645 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Sonate concertate in stil moderno à 2 e 3 voci, Libro primo: Sonata seconda (Arr. Recorder & Lute)
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Recorder Concerto in F Major: 1. Allegro
type: MusicRecording
duration: PT3M49S
duration ms: 229466
explicit: false
by artist: Giuseppe Sammartini
by artist: Lucie Horsch
by artist: Academy of Ancient Music
by artist: Bojan Čičić
in album: Baroque Journey
  type: MusicAlbum
  date published: 2019-02-22
popularity: 13
isrc code: GBBBA1800646
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T23:49:19+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800646
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6d88e84b3727dca91cc468c1aa83f9cecc22a188ab75922d051dca306467d73. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800646 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Recorder Concerto in F Major: 1. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.653
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Recorder Concerto in F Major: 2. Siciliano
type: MusicRecording
duration: PT4M42S
duration ms: 282360
explicit: false
by artist: Giuseppe Sammartini
by artist: Lucie Horsch
by artist: Academy of Ancient Music
by artist: Bojan Čičić
in album: Baroque Journey
  type: MusicAlbum
  date published: 2019-02-22
popularity: 17
isrc code: GBBBA1800647
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf7b750c7f96f3156c61a450e25dfab786701dab93cd4f26b0a268e16e0a7a7cd
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/GBBBA1800647
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7b750c7f96f3156c61a450e25dfab786701dab93cd4f26b0a268e16e0a7a7cd. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800647 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Recorder Concerto in F Major: 2. Siciliano
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.204
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.107
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Recorder Concerto in F Major: 3. Allegro assai
type: MusicRecording
duration: PT3M55S
duration ms: 235186
explicit: false
by artist: Giuseppe Sammartini
by artist: Lucie Horsch
by artist: Academy of Ancient Music
by artist: Bojan Čičić
in album: Baroque Journey
  type: MusicAlbum
  date published: 2019-02-22
popularity: 9
isrc code: GBBBA1800648
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800648
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e123b723ff9967c4ff751d00a151ea2f1aeaa7b81f0cee7c3a3aac131358867. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800648 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Recorder Concerto in F Major: 3. Allegro assai
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: 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
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Couplets de folies (Arr. Horsch for Recorder & Lute)
type: MusicRecording
duration: PT5M23S
duration ms: 323040
explicit: false
by artist: Marin Marais
by artist: Lucie Horsch
by artist: Thomas Dunford
in album: Baroque Journey
  type: MusicAlbum
  date published: 2019-02-22
popularity: 19
isrc code: GBBBA1800649
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  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
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800649
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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Pièces de clavecin - Troisième livre / 14e ordre: Le rossignol-en-amour (Arr. Recorder & Lute)
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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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Recorder Concerto in C Major, Op. 17, No. 1: 1. Gaiement
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T11:35:32Z
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Recorder Concerto in C Major, Op. 17, No. 1: 2. Lentement
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T18:47:29Z
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Recorder Concerto in C Major, Op. 17, No. 1: 3. Légèrement
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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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Divisions on a Ground
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Dido and Aeneas, Z. 626 / Act 3: "When I am laid in earth" (Dido's Lament) (Performed on Recorder)
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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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Der Fluyten Lust-Hof: 27. Engels nachtegaeltje
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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/GBBBA1800656
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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9470422b12847b1e18ea79ee38d1662479cf9708cf2629f57307e4dba6a6c128. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800656 — a six-check JSON result.
  date published: 2026-07-29T11:07:37Z
audio: Der Fluyten Lust-Hof: 27. Engels nachtegaeltje
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Scherzi da Violino Solo, No. 1: Suite in A Major: III. Sarabanda
type: MusicAlbum
date published: 2022-07-29

Concerto for 2 Violins and Cello in G Minor, Op. 3 No. 2, RV 578: I. Adagio e spiccato - II. Allegro
type: MusicRecording
duration: PT3M50S
duration ms: 230653
explicit: false
by artist: Antonio Vivaldi
by artist: Brecon Baroque
by artist: Rachel Podger
by artist: Bojan Čičić
by artist: Alison McGillivray
in album: Vivaldi: L'Estro Armonico
  type: MusicAlbum
  date published: 2015-01-01
popularity: 14
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: NLA460912827
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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/NLA460912827
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 0x79e5ea9b542b27107d534e46c6af1111a1b85e3b81ab5b54ff8979fc8d4127b5. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/NLA460912827 — a six-check JSON result.
  date published: 2026-07-02T05:09:12Z
audio: Concerto for 2 Violins and Cello in G Minor, Op. 3 No. 2, RV 578: I. Adagio e spiccato - II. Allegro
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Concerto for 4 Violins and Cello in D Major, Op. 3 No. 1, RV 549: I. Allegro
type: MusicRecording
duration: PT3M1S
duration ms: 181186
explicit: false
by artist: Antonio Vivaldi
by artist: Brecon Baroque
by artist: Rachel Podger
by artist: Bojan Čičić
by artist: Johannes Pramsohler
by artist: Sabine Stoffer
by artist: Alison McGillivray
in album: Vivaldi: L'Estro Armonico
  type: MusicAlbum
  date published: 2015-01-01
popularity: 9
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: NLA460912824
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: 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/NLA460912824
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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e3c892b284d2f5d161306e241879e73b1d4016f2ffae1a53f194139bf7b4a3d. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA460912824 — a six-check JSON result.
  date published: 2026-07-29T19:35:34Z
audio: Concerto for 4 Violins and Cello in D Major, Op. 3 No. 1, RV 549: I. Allegro
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Concerto for 4 Violins and Cello in B Minor, Op. 3 No. 10, RV 580: I. Allegro
type: MusicRecording
duration: PT3M26S
duration ms: 206373
explicit: false
by artist: Antonio Vivaldi
by artist: Brecon Baroque
by artist: Rachel Podger
by artist: Bojan Čičić
by artist: Johannes Pramsohler
by artist: Sabine Stoffer
by artist: Alison McGillivray
in album: Vivaldi: L'Estro Armonico
  type: MusicAlbum
  date published: 2015-01-01
popularity: 9
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: NLA460912851
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA460912851
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb156fa6caaf5002b09c62577953e37f1afcb1f90a5b345ccb0509cd42d9126ca. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA460912851 — a six-check JSON result.
  date published: 2026-07-06T06:56:49Z
audio: Concerto for 4 Violins and Cello in B Minor, Op. 3 No. 10, RV 580: I. Allegro
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Concerto for 4 Violins and Cello in D Major, Op. 3 No. 1, RV 549: II. Largo e spiccato
type: MusicRecording
duration: PT2M14S
duration ms: 134680
explicit: false
by artist: Antonio Vivaldi
by artist: Brecon Baroque
by artist: Rachel Podger
by artist: Bojan Čičić
by artist: Johannes Pramsohler
by artist: Sabine Stoffer
by artist: Alison McGillivray
in album: Vivaldi: L'Estro Armonico
  type: MusicAlbum
  date published: 2015-01-01
popularity: 7
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: NLA460912825
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA460912825
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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ca7eaaeac20814fac733f913eb208bdb67e93d189aa5ec94335763b0ba4c16d. 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/NLA460912825 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Concerto for 4 Violins and Cello in D Major, Op. 3 No. 1, RV 549: II. Largo e spiccato
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  additional property: Mode Name
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Concerto for 4 Violins and Cello in D Major, Op. 3 No. 1, RV 549: III. Allegro
type: MusicRecording
duration: PT2M32S
duration ms: 152173
explicit: false
by artist: Antonio Vivaldi
by artist: Brecon Baroque
by artist: Rachel Podger
by artist: Bojan Čičić
by artist: Johannes Pramsohler
by artist: Sabine Stoffer
by artist: Alison McGillivray
in album: Vivaldi: L'Estro Armonico
  type: MusicAlbum
  date published: 2015-01-01
popularity: 7
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: NLA460912826
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA460912826
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T00:53:20Z
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 0xfad926889091bfce924785763e923647f2d237d1f525fbc9b147b68f251d473d. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), 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/NLA460912826 — a six-check JSON result.
  date published: 2026-07-30T00:53:20Z
audio: Concerto for 4 Violins and Cello in D Major, Op. 3 No. 1, RV 549: III. Allegro
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Concerto for 2 Violins and Cello in G Minor, Op. 3 No. 2, RV 578: II. Larghetto
type: MusicRecording
duration: PT2M40S
duration ms: 160293
explicit: false
by artist: Antonio Vivaldi
by artist: Brecon Baroque
by artist: Rachel Podger
by artist: Bojan Čičić
by artist: Alison McGillivray
in album: Vivaldi: L'Estro Armonico
  type: MusicAlbum
  date published: 2015-01-01
popularity: 7
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: NLA460912828
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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Concerto for 2 Violins and Cello in G Minor, Op. 3 No. 2, RV 578: III. Allegro
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by artist: Antonio Vivaldi
by artist: Brecon Baroque
by artist: Rachel Podger
by artist: Bojan Čičić
by artist: Alison McGillivray
in album: Vivaldi: L'Estro Armonico
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  date published: 2015-01-01
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