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description: The New Dutch Academy (NDA) is an international Dutch Baroque orchestra based in The Hague, the Netherlands. It is composed of 40 international, early music, specialist musicians, who gather in The Ha
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album: Arcangelo Corelli: Concerti Grossi (including "Christmas Concerto") & Vivaldi: Lute and Mandolin Concerto
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track: Concerto da Camera in B-Flat Major, Op. 6 No. 11: II. Allemande
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track: Concerto da Camera in B-Flat Major, Op. 6 No. 11: III. Adagio – Andante – Largo
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  audio: Concerto da Camera in B-Flat Major, Op. 6 No. 11: III. Adagio – Andante – Largo
track: Concerto da Camera in B-Flat Major, Op. 6 No. 11: IV. Sarabanda
track: Concerto da Camera in B-Flat Major, Op. 6 No. 11: V. Giga
track: Sonata a 4 in G Minor, WoO 2: II. Allegro
track: Sonata a 4 in G Minor, WoO 2: III. Grave – Presto
track: Sonata a 4 in G Minor, WoO 2: IV. Vivace
track: Concerto da Camera in F Major, Op. 6 No. 12: I. Preludio – Adagio
track: Concerto da Camera in F Major, Op. 6 No. 12: II. Allegro
track: Concerto da Camera in F Major, Op. 6 No. 12: III. Adagio
track: Concerto da Camera in F Major, Op. 6 No. 12: IV. Sarabanda
track: Concerto da Camera in F Major, Op. 6 No. 12: V. Giga
track: Concerto da Chiesa in D Major, Op. 6 No. 4: I. Adagio – Allegro
track: Concerto da Chiesa in D Major, Op. 6 No. 4: II. Adagio – Vivace
track: Concerto da Chiesa in D Major, Op. 6 No. 4: III. Allegro
track: Concerto da Chiesa in G Minor, Op. 6 No. 8 "Fatto per la Notte di Natale / Christmas Concerto": I. Vivace – Grave
track: Concerto da Chiesa in G Minor, Op. 6 No. 8 "Fatto per la Notte di Natale / Christmas Concerto": II. Allegro
track: Concerto da Chiesa in G Minor, Op. 6 No. 8 "Fatto per la Notte di Natale / Christmas Concerto": III. Adagio – Allegro – Adagio
track: Concerto da Chiesa in G Minor, Op. 6 No. 8 "Fatto per la Notte di Natale / Christmas Concerto": IV. Vivace
track: Concerto da Chiesa in G Minor, Op. 6 No. 8 "Fatto per la Notte di Natale / Christmas Concerto": V. Allegro – VI. Pastorale
track: Fuga a quattro voci in D Major, Anh.15
track: Lute Concerto in D Major, RV 93: I.
track: Lute Concerto in D Major, RV 93: II. Largo

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Concerto da Camera in B-Flat Major, Op. 6 No. 11: IV. Sarabanda
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duration: PT1M41S
duration ms: 101320
explicit: false
by artist: Arcangelo Corelli
by artist: Simon Murphy
by artist: New Dutch Academy
in album: Arcangelo Corelli: Concerti Grossi (including "Christmas Concerto") & Vivaldi: Lute and Mandolin Concerto
  type: MusicAlbum
  date published: 2023-01-27
genre: classical
genre: early-music
genre: baroque
genre: italian-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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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T03:20:19Z
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Concerto da Camera in B-Flat Major, Op. 6 No. 11: V. Giga
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duration: PT1M21S
duration ms: 81013
explicit: false
by artist: Arcangelo Corelli
by artist: Simon Murphy
by artist: New Dutch Academy
in album: Arcangelo Corelli: Concerti Grossi (including "Christmas Concerto") & Vivaldi: Lute and Mandolin Concerto
  type: MusicAlbum
  date published: 2023-01-27
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: USX762205105
additional property: CopyrightID
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x011b6384b62c6313bac1ae5ba4fd10dcc9815d4549731c51e7b226769505e301. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX762205105 — a six-check JSON result.
  date published: 2026-07-31T02:51:48Z
audio: Concerto da Camera in B-Flat Major, Op. 6 No. 11: V. Giga
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Sonata a 4 in G Minor, WoO 2: II. Allegro
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duration: PT1M14S
duration ms: 74520
explicit: false
by artist: Arcangelo Corelli
by artist: Simon Murphy
by artist: New Dutch Academy
in album: Arcangelo Corelli: Concerti Grossi (including "Christmas Concerto") & Vivaldi: Lute and Mandolin Concerto
  type: MusicAlbum
  date published: 2023-01-27
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: USX762205107
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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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T03:20:19Z
audio: Sonata a 4 in G Minor, WoO 2: II. Allegro
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Sonata a 4 in G Minor, WoO 2: III. Grave – Presto
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duration: PT2M29S
duration ms: 149880
explicit: false
by artist: Arcangelo Corelli
by artist: Simon Murphy
by artist: New Dutch Academy
in album: Arcangelo Corelli: Concerti Grossi (including "Christmas Concerto") & Vivaldi: Lute and Mandolin Concerto
  type: MusicAlbum
  date published: 2023-01-27
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: USX762205108
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
  type: DigitalDocument
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  date published: 2026-07-08T03:20:19Z
audio: Sonata a 4 in G Minor, WoO 2: III. Grave – Presto
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Sonata a 4 in G Minor, WoO 2: IV. Vivace
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duration: PT3M19S
duration ms: 199613
explicit: false
by artist: Arcangelo Corelli
by artist: Simon Murphy
by artist: New Dutch Academy
in album: Arcangelo Corelli: Concerti Grossi (including "Christmas Concerto") & Vivaldi: Lute and Mandolin Concerto
  type: MusicAlbum
  date published: 2023-01-27
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: USX762205109
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
  type: DigitalDocument
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  date published: 2026-07-08T03:20:19Z
audio: Sonata a 4 in G Minor, WoO 2: IV. Vivace
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Concerto da Camera in F Major, Op. 6 No. 12: I. Preludio – Adagio
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duration: PT5M40S
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by artist: Arcangelo Corelli
by artist: Simon Murphy
by artist: New Dutch Academy
in album: Arcangelo Corelli: Concerti Grossi (including "Christmas Concerto") & Vivaldi: Lute and Mandolin Concerto
  type: MusicAlbum
  date published: 2023-01-27
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: USX762205110
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20952d0388224a722b3ff40a785e503c55ab5fe87081b56cbb6fc22dd9cd4710. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/USX762205110 — a six-check JSON result.
  date published: 2026-07-31T10:20:10Z
audio: Concerto da Camera in F Major, Op. 6 No. 12: I. Preludio – Adagio
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Concerto da Camera in F Major, Op. 6 No. 12: II. Allegro
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by artist: New Dutch Academy
in album: Arcangelo Corelli: Concerti Grossi (including "Christmas Concerto") & Vivaldi: Lute and Mandolin Concerto
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  date published: 2023-01-27
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
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 0xc0c58875f9309ea8324bf0fe9afda742bc17194f1fabd7f9993574749fd85011. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX762205111 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Concerto da Camera in F Major, Op. 6 No. 12: II. Allegro
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Concerto da Camera in F Major, Op. 6 No. 12: III. Adagio
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duration: PT2M5S
duration ms: 125013
explicit: false
by artist: Arcangelo Corelli
by artist: Simon Murphy
by artist: New Dutch Academy
in album: Arcangelo Corelli: Concerti Grossi (including "Christmas Concerto") & Vivaldi: Lute and Mandolin Concerto
  type: MusicAlbum
  date published: 2023-01-27
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: USX762205112
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2d546da8c49371a9a9115db272e73284c45569d5ee1910c9ccaad6f7ad434e8. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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/USX762205112 — a six-check JSON result.
  date published: 2026-07-31T20:42:35Z
audio: Concerto da Camera in F Major, Op. 6 No. 12: III. Adagio
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Concerto da Camera in F Major, Op. 6 No. 12: IV. Sarabanda
type: MusicRecording
duration: PT1M45S
duration ms: 105453
explicit: false
by artist: Arcangelo Corelli
by artist: Simon Murphy
by artist: New Dutch Academy
in album: Arcangelo Corelli: Concerti Grossi (including "Christmas Concerto") & Vivaldi: Lute and Mandolin Concerto
  type: MusicAlbum
  date published: 2023-01-27
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: USX762205113
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
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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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e74255b83c98e0fefd270fdd123f38a944aea7d2d2d10ff6b28cdf05fffec40. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/USX762205113 — a six-check JSON result.
  date published: 2026-08-01T02:22:04Z
audio: Concerto da Camera in F Major, Op. 6 No. 12: IV. Sarabanda
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Concerto da Camera in F Major, Op. 6 No. 12: V. Giga
type: MusicRecording
duration: PT2M51S
duration ms: 171746
explicit: false
by artist: Arcangelo Corelli
by artist: Simon Murphy
by artist: New Dutch Academy
in album: Arcangelo Corelli: Concerti Grossi (including "Christmas Concerto") & Vivaldi: Lute and Mandolin Concerto
  type: MusicAlbum
  date published: 2023-01-27
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: USX762205114
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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  value: https://blockstream.info/api/block-height/960468
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX762205114
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 0xb8e059592d77fde6b28fb4dda5a65a59af40f52f7bee745223c0a1bb42b59eac. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/USX762205114 — a six-check JSON result.
  date published: 2026-07-31T21:25:57Z
audio: Concerto da Camera in F Major, Op. 6 No. 12: V. Giga
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  additional property: Key Name
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Concerto da Chiesa in D Major, Op. 6 No. 4: I. Adagio – Allegro
type: MusicRecording
duration: PT3M46S
duration ms: 226266
explicit: false
by artist: Arcangelo Corelli
by artist: Simon Murphy
by artist: New Dutch Academy
in album: Arcangelo Corelli: Concerti Grossi (including "Christmas Concerto") & Vivaldi: Lute and Mandolin Concerto
  type: MusicAlbum
  date published: 2023-01-27
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: USX762205115
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/USX762205115
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 0x0f262137817d25e717ca916ca2b8516ac85ead9ab82d902c4d375b51db1467d7. 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/USX762205115 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Concerto da Chiesa in D Major, Op. 6 No. 4: I. Adagio – Allegro
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Concerto da Chiesa in D Major, Op. 6 No. 4: II. Adagio – Vivace
type: MusicRecording
duration: PT4M27S
duration ms: 267040
explicit: false
by artist: Arcangelo Corelli
by artist: Simon Murphy
by artist: New Dutch Academy
in album: Arcangelo Corelli: Concerti Grossi (including "Christmas Concerto") & Vivaldi: Lute and Mandolin Concerto
  type: MusicAlbum
  date published: 2023-01-27
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: USX762205116
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
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ed36d5db53a37b9405d5ee9822d4ced23788b70e446fe15e5ea4ad25dd8bc10. 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/USX762205116 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Concerto da Chiesa in D Major, Op. 6 No. 4: II. Adagio – Vivace
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Concerto da Chiesa in D Major, Op. 6 No. 4: III. Allegro
type: MusicRecording
duration: PT3M19S
duration ms: 199440
explicit: false
by artist: Arcangelo Corelli
by artist: Simon Murphy
by artist: New Dutch Academy
in album: Arcangelo Corelli: Concerti Grossi (including "Christmas Concerto") & Vivaldi: Lute and Mandolin Concerto
  type: MusicAlbum
  date published: 2023-01-27
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: USX762205117
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
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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 0x415a9f36f122b6e2f7c0cdbf690622bb0d4957d4382430d2b5d4386b6a9795f4. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/USX762205117 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Concerto da Chiesa in D Major, Op. 6 No. 4: III. Allegro
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Concerto da Chiesa in G Minor, Op. 6 No. 8 "Fatto per la Notte di Natale / Christmas Concerto": I. Vivace – Grave
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Concerto da Chiesa in G Minor, Op. 6 No. 8 "Fatto per la Notte di Natale / Christmas Concerto": II. Allegro
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Concerto da Chiesa in G Minor, Op. 6 No. 8 "Fatto per la Notte di Natale / Christmas Concerto": III. Adagio – Allegro – Adagio
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Concerto da Chiesa in G Minor, Op. 6 No. 8 "Fatto per la Notte di Natale / Christmas Concerto": IV. Vivace
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Concerto da Chiesa in G Minor, Op. 6 No. 8 "Fatto per la Notte di Natale / Christmas Concerto": V. Allegro – VI. Pastorale
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Fuga a quattro voci in D Major, Anh.15
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Lute Concerto in D Major, RV 93: I.
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audio: Lute Concerto in D Major, RV 93: I.
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Lute Concerto in D Major, RV 93: II. Largo
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by artist: Antonio Vivaldi
by artist: Simon Murphy
by artist: New Dutch Academy
by artist: Karl Nyhlin
in album: Arcangelo Corelli: Concerti Grossi (including "Christmas Concerto") & Vivaldi: Lute and Mandolin Concerto
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Corelli: Concertos, Sonata & Fuga
type: MusicAlbum
date published: 2004-09-01