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type: MusicGroup
genre: minimalism
popularity: 23
followers: 164
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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: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  by artist: Steve Reich
  by artist: Daniel Hope
  by artist: Simos Papanas
  by artist: Kammerorchester Basel
  in album: My Tribute To Yehudi Menuhin
    type: MusicAlbum
    date published: 2016-02-05
  popularity: 31
  isrc code: DEN961501280
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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 0xf9edd46090406ea0415161ab554c3c74baaa88aa012a032ef77f57c54384f6d3. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961501280.
    date published: 2026-06-13T12:47:07Z
  audio: Duet
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track: Duet
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  by artist: Steve Reich
  by artist: Daniel Hope
  by artist: Simos Papanas
  by artist: Kammerorchester Basel
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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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    date published: 2026-07-08T03:20:19Z
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track: Concerto for 2 Violins in A Major, Op. 3/5, RV 519 (L'estro armonico No. 5): II. Largo
track: Concerto for 2 Violins in A Major, Op. 3/5, RV 519 (L'estro armonico No. 5): I. Allegro
track: Concerto for 2 Violins in A Major, Op. 3/5, RV 519 (L'estro armonico No. 5): III. Allegro
track: Concerto for Two Violins and Strings in A Minor, RV 522: I. Allegro
track: Concerto for Two Violins and Strings in A Minor, RV 522: II. Larghetto e spiritoso
track: Concerto for Two Violins and Strings in A Minor, RV 522: III. Allegro

Valence (Positivity)
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Loudness (dB)
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Key Name
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Mode Name
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Concerto for 2 Violins in A Major, Op. 3/5, RV 519 (L'estro armonico No. 5): II. Largo
type: MusicRecording
duration: PT1M51S
duration ms: 111453
explicit: false
by artist: Antonio Vivaldi
by artist: Daniel Hope
by artist: Simos Papanas
by artist: Markellos Chryssicos
by artist: Emanuele Forni
by artist: Thessaloniki State Symphony Orchestra
in album: Baroque Guitar
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  date published: 2024-08-19
genre: classical
genre: early-music
genre: baroque
genre: concerto
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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 0xf25407509935feb60a0c9deb0003e35b06aa9ab55e13d040f0a4a4708aab16ed. 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/DEN962431416.
  date published: 2026-07-08T03:20:19Z
audio: Concerto for 2 Violins in A Major, Op. 3/5, RV 519 (L'estro armonico No. 5): II. Largo
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  additional property: Danceability
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  additional property: Energy
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Duet
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duration: PT4M50S
duration ms: 290613
explicit: false
by artist: Steve Reich
by artist: Daniel Hope
by artist: Simos Papanas
by artist: Kammerorchester Basel
in album: Expo 1
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isrc code: DEN961501280
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
  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 0xf9edd46090406ea0415161ab554c3c74baaa88aa012a032ef77f57c54384f6d3. 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/DEN961501280.
  date published: 2026-07-08T03:20:19Z
audio: Duet
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Concerto for 2 Violins in A Major, Op. 3/5, RV 519 (L'estro armonico No. 5): I. Allegro
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duration: PT2M53S
duration ms: 173906
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by artist: Antonio Vivaldi
by artist: Daniel Hope
by artist: Simos Papanas
by artist: Markellos Chryssicos
by artist: Emanuele Forni
by artist: Thessaloniki State Symphony Orchestra
in album: Irish Roots
  type: MusicAlbum
  date published: 2024-07-05
genre: classical
genre: early-music
genre: baroque
genre: concerto
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66e5b6e7217c9b1dde13a97bdc9dbe21c4b900a3f1446d409bdd21e04b6ec93a. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), 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/DEN962431415.
  date published: 2026-07-29T15:38:18Z
audio: Concerto for 2 Violins in A Major, Op. 3/5, RV 519 (L'estro armonico No. 5): I. Allegro
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Concerto for 2 Violins in A Major, Op. 3/5, RV 519 (L'estro armonico No. 5): II. Largo
type: MusicRecording
duration: PT1M51S
duration ms: 111453
explicit: false
by artist: Antonio Vivaldi
by artist: Daniel Hope
by artist: Simos Papanas
by artist: Markellos Chryssicos
by artist: Emanuele Forni
by artist: Thessaloniki State Symphony Orchestra
in album: Irish Roots
  type: MusicAlbum
  date published: 2024-07-05
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN962431416
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Concerto for 2 Violins in A Major, Op. 3/5, RV 519 (L'estro armonico No. 5): III. Allegro
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Concerto for Two Violins and Strings in A Minor, RV 522: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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Concerto for Two Violins and Strings in A Minor, RV 522: II. Larghetto e spiritoso
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subject of: OpenTimestamps Proof of Existence
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Concerto for Two Violins and Strings in A Minor, RV 522: III. Allegro
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