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description: John Constable (;"Constable, John," Random House Webster's Unabridged Dictionary 11 June 1776 – 31 March 1837) was an English landscape painter in the Romantic tradition. Born in Suffolk, he is known
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subject of: OpenTimestamps Proof of Existence
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track: Pur ti Miro from 'L'incoronazione di Poppea
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T18:39:05Z
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track: Concerto grosso in C, HWV 318 "Alexander's Feast": 2. Largo - Adagio
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Bach, JS: Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro
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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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Harpsichord Concerto No. 5 in F Minor, BWV 1056: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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Bach, JS: Piano Concerto No. 1 in D Minor, BWV 1052: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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Bach, JS: Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante
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by artist: Philip Pickett
by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
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popularity: 7
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genre: chamber-music
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Bach, JS: Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante
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Bach, JS: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: I. —
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by artist: Raymund Koster
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by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
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popularity: 7
genre: classical
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genre: early-music
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T17:48:40Z
audio: Bach, JS: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: I. —
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Bach, JS: Piano Concerto No. 5 in F Minor, BWV 1056: I. —
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popularity: 6
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Piano Concerto No. 5 in F Minor, BWV 1056: I. —
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Bach, JS: Piano Concerto No. 1 in D Minor, BWV 1052: II. Adagio
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by artist: Academy of St. Martin in the Fields
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popularity: 6
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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: Bach, JS: Piano Concerto No. 1 in D Minor, BWV 1052: II. Adagio
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Harpsichord Concerto No. 5 in F Minor, BWV. 1056: III. Presto
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popularity: 5
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T05:15:54Z
audio: Harpsichord Concerto No. 5 in F Minor, BWV. 1056: III. Presto
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Bach, JS: Piano Concerto No. 1 in D Minor, BWV 1052: III. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Piano Concerto No. 1 in D Minor, BWV 1052: III. Allegro
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Bach, JS: Piano Concerto No. 5 in F Minor, BWV 1056: III. Presto
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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
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  date published: 2026-07-30T06:39:12Z
audio: Bach, JS: Piano Concerto No. 5 in F Minor, BWV 1056: III. Presto
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Brandenburg Concerto No. 6 in B-Flat Major, BWV. 1051: III. Allegro
type: MusicRecording
duration: PT6M9S
duration ms: 369573
explicit: false
by artist: Johann Sebastian Bach
by artist: Anthony Jenkins
by artist: Charles Medlam
by artist: Denis Vigay
by artist: John Constable
by artist: Raymund Koster
by artist: Sir Neville Marriner
by artist: Stephen Shingles
by artist: William Hunt
in album: Classical Music for Work
  type: MusicAlbum
  date published: 2016-11-25
popularity: 4
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: GBAYC8500671
additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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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
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  date published: 2026-07-30T20:09:33Z
audio: Brandenburg Concerto No. 6 in B-Flat Major, BWV. 1051: III. Allegro
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Concerto grosso in C, HWV 318 "Alexander's Feast": 2. Largo - Adagio
type: MusicRecording
duration: PT2M5S
duration ms: 125000
explicit: false
by artist: George Frideric Handel
by artist: Kenneth Sillito
by artist: Neil Black
by artist: John Tunnell
by artist: Kenneth Heath
by artist: James Brown
by artist: Leslie Pearson
by artist: John Constable
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Handel: Oboe Concertos Nos.1-3/Concerto Grosso "Alexander's Feast" etc.
  type: MusicAlbum
  date published: 1971-01-01
popularity: 3
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: NLA507100309
additional property: CopyrightID
additional property: CopyrightStatus
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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/NLA507100309
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: 2026-07-31T00:26:26Z
audio: Concerto grosso in C, HWV 318 "Alexander's Feast": 2. Largo - Adagio
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Concerto Grosso No. 8 in G Minor, Op. 6 'Christmas Concerto': III. Adagio - Allegro - Adagio
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duration: PT3M31S
duration ms: 211386
explicit: false
by artist: Arcangelo Corelli
by artist: Polish Chamber Orchestra
by artist: John Constable
by artist: Jerzy Maksymiuk
in album: Corelli - Masterwork
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popularity: 2
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
isrc code: GBAYC8300206
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/GBAYC8300206
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 0x025b422fea2803e3fd1cdd5958713e9f8664d967565b0b6839d9fd2ea421ac14. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8300206.
  date published: 2026-07-08T03:20:19Z
audio: Concerto Grosso No. 8 in G Minor, Op. 6 'Christmas Concerto': III. Adagio - Allegro - Adagio
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Concerto grosso in C, HWV 318 "Alexander's Feast": 1. Allegro
type: MusicRecording
duration: PT3M31S
duration ms: 211000
explicit: false
by artist: George Frideric Handel
by artist: Kenneth Sillito
by artist: Neil Black
by artist: John Tunnell
by artist: Kenneth Heath
by artist: James Brown
by artist: Leslie Pearson
by artist: John Constable
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Handel: Oboe Concertos Nos.1-3/Concerto Grosso "Alexander's Feast" etc.
  type: MusicAlbum
  date published: 1971-01-01
popularity: 2
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: NLA507100308
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: 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
  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 0x3feb4131f3d5401c5cbf64f062d4af22a6a3147d62010ff4e7628218b4a67793. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507100308.
  date published: 2026-07-08T03:20:19Z
audio: Concerto grosso in C, HWV 318 "Alexander's Feast": 1. Allegro
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Concerto grosso in C, HWV 318 "Alexander's Feast": 3. Allegro - Adagio
type: MusicRecording
duration: PT3M28S
duration ms: 208000
explicit: false
by artist: George Frideric Handel
by artist: Kenneth Sillito
by artist: Neil Black
by artist: John Tunnell
by artist: Kenneth Heath
by artist: James Brown
by artist: Leslie Pearson
by artist: John Constable
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Handel: Oboe Concertos Nos.1-3/Concerto Grosso "Alexander's Feast" etc.
  type: MusicAlbum
  date published: 1971-01-01
popularity: 2
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: NLA507100310
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
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
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 0x5141ac450838db13474bca985b59252a76a09952168efcd899590161a58d4a61. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507100310.
  date published: 2026-07-31T15:20:15Z
audio: Concerto grosso in C, HWV 318 "Alexander's Feast": 3. Allegro - Adagio
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  additional property: Musical Key
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  additional property: Valence (Positivity)
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Concerto grosso in C, HWV 318 "Alexander's Feast": 4. Andante non presto
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duration: PT3M32S
duration ms: 212000
explicit: false
by artist: George Frideric Handel
by artist: Kenneth Sillito
by artist: Neil Black
by artist: John Tunnell
by artist: Kenneth Heath
by artist: James Brown
by artist: Leslie Pearson
by artist: John Constable
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Handel: Oboe Concertos Nos.1-3/Concerto Grosso "Alexander's Feast" etc.
  type: MusicAlbum
  date published: 1971-01-01
popularity: 2
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: NLA507100311
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
  type: PropertyValue
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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: 2026-07-31T20:22:46Z
audio: Concerto grosso in C, HWV 318 "Alexander's Feast": 4. Andante non presto
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Overture in D, HWV 337/338
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duration ms: 377000
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by artist: Richard Adeney
by artist: James Tyler
by artist: Kenneth Sillito
by artist: Neil Black
by artist: James Brown
by artist: John Constable
by artist: English Chamber Orchestra
by artist: Raymond Leppard
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  date published: 1971-01-01
popularity: 2
genre: classical
genre: opera
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genre: baroque
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genre: german-baroque
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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: 2026-07-31T12:24:41Z
audio: Overture in D, HWV 337/338
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Keyboard Concerto in F Minor, BWV. 1056: II. Largo
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duration: PT3M29S
duration ms: 209933
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by artist: Academy of St. Martin in the Fields
by artist: Andrei Gavrilov
by artist: John Constable
by artist: Sir Neville Marriner
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  date published: 2017-03-09
popularity: 2
genre: classical
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genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
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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 0x053acd95e67a0048b3a64980c24a30d4f19ec8580df1967f026f51e6c7c42367. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8600704.
  date published: 2026-07-08T03:53:27Z
audio: Keyboard Concerto in F Minor, BWV. 1056: II. Largo
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