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type: MusicGroup
genre: chamber music
description: Martin Gatt (born 1937 in Aberdeen) is a British classical bassoonist. He studied under Archie Camden at the Royal College of Music in London. He served as principal bassoonist of the London Philhar
popularity: 8
followers: 82
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subject of: OpenTimestamps Proof of Existence
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album: Abbado A-Z: Prokofiev – Ravel
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album: Purcell: The Fairy Queen; Songs And Arias
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-07T15:12:44Z
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  track: The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 1: "Now the Night Is Chas'd Away"
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  track: The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 1: "Let the Fifes and the Clarions....Dance"
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  track: The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 1: "Here's the Summer, Sprightly Gay"
  track: The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 1: "See, My Many-Coloured Fields"
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  track: The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 1: "Hail! Great Parent Of Us All"
  track: The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 2: Prelude..."Come, All Ye Songsters Of the Sky"
  track: The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 2: "The Songsters...May the God Of Wit Inspire"
  track: The Fairy Queen, Z. 629, Act II: Fill Up the Bowl (Ed. Britten, Holst, Pears)
  track: The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 2: "See, Even Night Herself Is Here"
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  track: The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 3: "O Let Me Weep, For Ever Weep"
  track: The Tempest, Z.631: "Arise ye subterranean winds"
  track: The Tempest, Z.631: "See, see the heavens smile"
  track: Sonata for Trumpet & Strings, Z.850 - ed. Thurston Dart & Michael Tilmouth
  track: Ciaccona in G Minor, Z.730 - Ed. Thurston Dart
album: Janácek: From the House of the Dead; Mládi; Ríkadla
album: Ultimate Vivaldi
album: 101 Baroque
album: Mi Disco de Oro (Remasterizado)
album: 101 Vivaldi
album: Vivaldi Adagios
album: Vivaldi: L'Estro Armonico; 4 Concertos
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:33Z
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subject of: OpenTimestamps Proof of Existence
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The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 1: "Hail! Great Parent Of Us All" (Reprise)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
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    value: 0.355
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.81
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.607
  additional property: Liveness
    type: PropertyValue
    value: 0.184
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.404
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.71
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 1: "Thus the Ever Grateful Spring"
type: MusicRecording
duration: PT2M48S
duration ms: 168666
explicit: false
by artist: Henry Purcell
by artist: Mary Wells
by artist: English Chamber Orchestra
by artist: Benjamin Britten
in album: Purcell: The Fairy Queen; Songs And Arias
  type: MusicAlbum
  date published: 2019-01-11
genre: classical
genre: choral
isrc code: GBF077041006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:59:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x447cf2f314dd4530aaa1da8210c334cbe30c171d7c6d454a94fbcb6a7ae17682
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077041006
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 0x447cf2f314dd4530aaa1da8210c334cbe30c171d7c6d454a94fbcb6a7ae17682. 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/GBF077041006.
  date published: 2026-07-08T03:20:19Z
audio: The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 1: "Thus the Ever Grateful Spring"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.333
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.342
  additional property: Energy
    type: PropertyValue
    value: 0.133
  additional property: Speechiness
    type: PropertyValue
    value: 0.06
  additional property: Acousticness
    type: PropertyValue
    value: 0.924
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.256
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.181
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.917
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 1: "Here's the Summer, Sprightly Gay"
type: MusicRecording
duration: PT1M14S
duration ms: 74720
explicit: false
by artist: Henry Purcell
by artist: James Bowman
by artist: English Chamber Orchestra
by artist: Benjamin Britten
in album: Purcell: The Fairy Queen; Songs And Arias
  type: MusicAlbum
  date published: 2019-01-11
genre: classical
genre: choral
isrc code: GBF077041007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:27:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9e4687177de6a99258fbe68c73a70a9e1f9292246e7f126611f8819af6be3e21
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077041007
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 0x9e4687177de6a99258fbe68c73a70a9e1f9292246e7f126611f8819af6be3e21. 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/GBF077041007.
  date published: 2026-07-08T03:20:19Z
audio: The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 1: "Here's the Summer, Sprightly Gay"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.275
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.389
  additional property: Energy
    type: PropertyValue
    value: 0.038
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.92
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.501
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.582
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.002
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 1: "See, My Many-Coloured Fields"
type: MusicRecording
duration: PT3M1S
duration ms: 181573
explicit: false
by artist: Henry Purcell
by artist: Ian Partridge
by artist: English Chamber Orchestra
by artist: Benjamin Britten
in album: Purcell: The Fairy Queen; Songs And Arias
  type: MusicAlbum
  date published: 2019-01-11
genre: classical
genre: choral
isrc code: GBF077041008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:20:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb6e57e02c4a1afde5a1d0b2aaa6b3bd07a95022cbbea5f32d9c946fa3741bfab
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077041008
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 0xb6e57e02c4a1afde5a1d0b2aaa6b3bd07a95022cbbea5f32d9c946fa3741bfab. 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/GBF077041008.
  date published: 2026-07-08T03:20:19Z
audio: The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 1: "See, My Many-Coloured Fields"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.217
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.195
  additional property: Energy
    type: PropertyValue
    value: 0.164
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.693
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.242
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.132
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.112
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 1: "Next, Winter Comes Slowly, Pale"
type: MusicRecording
duration: PT2M58S
duration ms: 178400
explicit: false
by artist: Henry Purcell
by artist: John Shirley-Quirk
by artist: English Chamber Orchestra
by artist: Benjamin Britten
in album: Purcell: The Fairy Queen; Songs And Arias
  type: MusicAlbum
  date published: 2019-01-11
genre: classical
genre: choral
isrc code: GBF077041009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:15:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe069d07908634940fb1436f2df5086ea6d4b89a3bb285b34360c13d66bf00ef2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077041009
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 0xe069d07908634940fb1436f2df5086ea6d4b89a3bb285b34360c13d66bf00ef2. 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/GBF077041009.
  date published: 2026-07-08T03:20:19Z
audio: The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 1: "Next, Winter Comes Slowly, Pale"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.115
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.21
  additional property: Energy
    type: PropertyValue
    value: 0.13
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.601
  additional property: Liveness
    type: PropertyValue
    value: 0.208
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.289
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 1: "Hail! Great Parent Of Us All"
type: MusicRecording
duration: PT2M22S
duration ms: 142640
explicit: false
by artist: Henry Purcell
by artist: Ambrosian Opera Chorus
by artist: English Chamber Orchestra
by artist: Benjamin Britten
in album: Purcell: The Fairy Queen; Songs And Arias
  type: MusicAlbum
  date published: 2019-01-11
genre: classical
genre: choral
isrc code: GBF077010010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-08-01T03:02:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x83f093324e0a80e5f26e8a838e42cef13e16b732b092682c56bea37a3e0fd57b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960500
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960500
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077010010
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T03:13:03Z
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 0x83f093324e0a80e5f26e8a838e42cef13e16b732b092682c56bea37a3e0fd57b. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/GBF077010010.
  date published: 2026-08-01T03:13:03Z
audio: The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 1: "Hail! Great Parent Of Us All"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.438
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.22
  additional property: Energy
    type: PropertyValue
    value: 0.361
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.78
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.904
  additional property: Liveness
    type: PropertyValue
    value: 0.33
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.28
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.865
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 2: Prelude..."Come, All Ye Songsters Of the Sky"
type: MusicRecording
duration: PT2M32S
duration ms: 152240
explicit: false
by artist: Henry Purcell
by artist: Charles Brett
by artist: English Chamber Orchestra
by artist: Benjamin Britten
in album: Purcell: The Fairy Queen; Songs And Arias
  type: MusicAlbum
  date published: 2019-01-11
genre: classical
genre: choral
isrc code: GBF077041011
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:32:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x786fb8d5e0d85be13ae1d299a25814827e184ce6dd2ba7b5a0f8390d0f7f6b2a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077041011
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x786fb8d5e0d85be13ae1d299a25814827e184ce6dd2ba7b5a0f8390d0f7f6b2a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077041011.
  date published: 2026-07-08T03:22:41Z
audio: The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 2: Prelude..."Come, All Ye Songsters Of the Sky"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.94
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.413
  additional property: Energy
    type: PropertyValue
    value: 0.202
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.917
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.289
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.387
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.074
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 2: "The Songsters...May the God Of Wit Inspire"
type: MusicRecording
duration: PT1M57S
duration ms: 117426
explicit: false
by artist: Henry Purcell
by artist: Ambrosian Opera Chorus
by artist: English Chamber Orchestra
by artist: Benjamin Britten
in album: Purcell: The Fairy Queen; Songs And Arias
  type: MusicAlbum
  date published: 2019-01-11
genre: classical
genre: choral
isrc code: GBF077041012
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:42:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd9943662d92dce3a92ceab933963375aaed1b603d52855bc7c1249fdc8233b43
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077041012
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 0xd9943662d92dce3a92ceab933963375aaed1b603d52855bc7c1249fdc8233b43. 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/GBF077041012.
  date published: 2026-07-08T03:20:19Z
audio: The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 2: "The Songsters...May the God Of Wit Inspire"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.872
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.418
  additional property: Energy
    type: PropertyValue
    value: 0.046
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.187
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.149
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.944
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Fairy Queen, Z. 629, Act II: Fill Up the Bowl (Ed. Britten, Holst, Pears)
type: MusicRecording
duration: PT6M37S
duration ms: 397000
explicit: false
by artist: Henry Purcell
by artist: Owen Brannigan
by artist: Jennifer Vyvyan
by artist: Mary Wells
by artist: Ambrosian Opera Chorus
by artist: English Chamber Orchestra
by artist: Benjamin Britten
in album: Purcell: The Fairy Queen; Songs And Arias
  type: MusicAlbum
  date published: 2019-01-11
genre: classical
genre: choral
isrc code: GBF077041014
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:25:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x151b78cf0eaa7a58ed2c629d58ade5b5066850097c72008b3902d5b50ec4fa75
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960427
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960427
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077041014
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:59:18Z
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 0x151b78cf0eaa7a58ed2c629d58ade5b5066850097c72008b3902d5b50ec4fa75. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/GBF077041014.
  date published: 2026-07-31T15:59:18Z
audio: The Fairy Queen, Z. 629, Act II: Fill Up the Bowl (Ed. Britten, Holst, Pears)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.139
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.415
  additional property: Energy
    type: PropertyValue
    value: 0.254
  additional property: Speechiness
    type: PropertyValue
    value: 0.068
  additional property: Acousticness
    type: PropertyValue
    value: 0.938
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.317
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.914
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 2: "See, Even Night Herself Is Here"
type: MusicRecording
duration: PT5M24S
duration ms: 324000
explicit: false
by artist: Henry Purcell
by artist: Norma Burrowes
by artist: English Chamber Orchestra
by artist: Benjamin Britten
in album: Purcell: The Fairy Queen; Songs And Arias
  type: MusicAlbum
  date published: 2019-01-11
genre: classical
genre: choral
isrc code: GBF077041015
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:40:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6ac31dce5fb2d22ababdc54fbeb02650cd5e7b283cedc4f7768acdbbd7e6266b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960427
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960427
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077041015
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:59:18Z
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 0x6ac31dce5fb2d22ababdc54fbeb02650cd5e7b283cedc4f7768acdbbd7e6266b. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/GBF077041015.
  date published: 2026-07-31T15:59:18Z
audio: The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 2: "See, Even Night Herself Is Here"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.044
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.212
  additional property: Energy
    type: PropertyValue
    value: 0.038
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.027
  additional property: Liveness
    type: PropertyValue
    value: 0.076
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.987
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 2: "One Charming Night"
type: MusicRecording
duration: PT2M15S
duration ms: 135893
explicit: false
by artist: Henry Purcell
by artist: James Bowman
by artist: English Chamber Orchestra
by artist: Benjamin Britten
in album: Purcell: The Fairy Queen; Songs And Arias
  type: MusicAlbum
  date published: 2019-01-11
genre: classical
genre: choral
isrc code: GBF077041017
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T18:34:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe0098591054977ad84655fb6b9edd241aa5e19ae65db8243fd1fe86bdbefc0d5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960448
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960448
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077041017
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0098591054977ad84655fb6b9edd241aa5e19ae65db8243fd1fe86bdbefc0d5. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077041017.
  date published: 2026-07-31T18:48:12Z
audio: The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 2: "One Charming Night"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.866
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.269
  additional property: Energy
    type: PropertyValue
    value: 0.034
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.283
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.179
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 2: "Hush, No More"
type: MusicRecording
duration: PT4M4S
duration ms: 244293
explicit: false
by artist: Henry Purcell
by artist: John Shirley-Quirk
by artist: Ambrosian Opera Chorus
by artist: English Chamber Orchestra
by artist: Benjamin Britten
in album: Purcell: The Fairy Queen; Songs And Arias
  type: MusicAlbum
  date published: 2019-01-11
genre: classical
genre: choral
isrc code: GBF077041018
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T13:02:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5cc2c9970545c5790e957d2393fb317787610c59f626a855a01c5624234ebcb5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960404
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960404
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077041018
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:06:57Z
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 0x5cc2c9970545c5790e957d2393fb317787610c59f626a855a01c5624234ebcb5. Chain 2 (Bitcoin): anchored in block 960404 (2026-07-31T13:06:57Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077041018.
  date published: 2026-07-31T13:06:57Z
audio: The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 2: "Hush, No More"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.235
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.127
  additional property: Energy
    type: PropertyValue
    value: 0.039
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.393
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.047
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.615
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 3: "O Let Me Weep, For Ever Weep"
type: MusicRecording
duration: PT7M50S
duration ms: 470466
explicit: false
by artist: Henry Purcell
by artist: Jennifer Vyvyan
by artist: English Chamber Orchestra
by artist: Benjamin Britten
in album: Purcell: The Fairy Queen; Songs And Arias
  type: MusicAlbum
  date published: 2019-01-11
genre: classical
genre: choral
isrc code: GBF077041022
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T09:52:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x304bbfe93fb333c040fdc598241b1764ddd0a1d3a4d69d5b4c41d41f6981305d
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/GBF077041022
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 0x304bbfe93fb333c040fdc598241b1764ddd0a1d3a4d69d5b4c41d41f6981305d. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077041022.
  date published: 2026-07-02T03:55:08Z
audio: The Fairy Queen, Z.629 - Ed. Britten, Holst, Pears / Act 3: "O Let Me Weep, For Ever Weep"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 164.296
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.172
  additional property: Energy
    type: PropertyValue
    value: 0.065
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.922
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.091
  additional property: Liveness
    type: PropertyValue
    value: 0.598
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.218
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

The Tempest, Z.631: "Arise ye subterranean winds"
type: MusicRecording
duration: PT3M9S
duration ms: 189453
explicit: false
by artist: Henry Purcell
by artist: Hervey Alan
by artist: London Philharmonic Orchestra
by artist: Anthony Lewis
in album: Purcell: The Fairy Queen; Songs And Arias
  type: MusicAlbum
  date published: 2019-01-11
genre: classical
genre: choral
isrc code: GBBBA5850231
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:47:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf2e564bcb6bac6280f8ba5bf7cd5be1a29c623dfdc3f7212fcaf2418b98cdda5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA5850231
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 0xf2e564bcb6bac6280f8ba5bf7cd5be1a29c623dfdc3f7212fcaf2418b98cdda5. 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/GBBBA5850231.
  date published: 2026-07-08T03:20:19Z
audio: The Tempest, Z.631: "Arise ye subterranean winds"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.296
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.281
  additional property: Energy
    type: PropertyValue
    value: 0.389
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.895
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.256
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.292
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

The Tempest, Z.631: "See, see the heavens smile"
type: MusicRecording
duration: PT4M54S
duration ms: 294546
explicit: false
by artist: Henry Purcell
by artist: Hervey Alan
by artist: London Philharmonic Orchestra
by artist: Anthony Lewis
in album: Purcell: The Fairy Queen; Songs And Arias
  type: MusicAlbum
  date published: 2019-01-11
genre: classical
genre: choral
isrc code: GBBBA5850235
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T19:19:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x20512f9b6605e13f8d2cec6e4635f8909e54ef5b2a3ceb80af931d2621b7a22d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA5850235
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
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 0x20512f9b6605e13f8d2cec6e4635f8909e54ef5b2a3ceb80af931d2621b7a22d. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/GBBBA5850235.
  date published: 2026-07-31T19:53:13Z
audio: The Tempest, Z.631: "See, see the heavens smile"
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 120.328
  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
    value: 5
  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
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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)
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  additional property: Key Name
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  additional property: Mode Name
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Sonata for Trumpet & Strings, Z.850 - ed. Thurston Dart & Michael Tilmouth
type: MusicRecording
duration: PT4M39S
duration ms: 279586
explicit: false
by artist: Henry Purcell
by artist: Dennis Egan
by artist: London Philharmonic Orchestra
by artist: Anthony Lewis
in album: Purcell: The Fairy Queen; Songs And Arias
  type: MusicAlbum
  date published: 2019-01-11
genre: classical
genre: choral
isrc code: GBBBA5850236
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T10:32:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x65475c9f819bcdf25cdfd58c92e49ba49e73d3ecd4ef3f40ff6729b1c7b2fd91
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA5850236
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65475c9f819bcdf25cdfd58c92e49ba49e73d3ecd4ef3f40ff6729b1c7b2fd91. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA5850236.
  date published: 2026-07-31T12:24:41Z
audio: Sonata for Trumpet & Strings, Z.850 - ed. Thurston Dart & Michael Tilmouth
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.423
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.321
  additional property: Energy
    type: PropertyValue
    value: 0.234
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.908
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.355
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.074
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.354
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ciaccona in G Minor, Z.730 - Ed. Thurston Dart
type: MusicRecording
duration: PT5M4S
duration ms: 304773
explicit: false
by artist: Henry Purcell
by artist: London Philharmonic Orchestra
by artist: Anthony Lewis
in album: Purcell: The Fairy Queen; Songs And Arias
  type: MusicAlbum
  date published: 2019-01-11
genre: classical
genre: choral
isrc code: GBBBA5850239
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T19:08:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5b6f873ce055bc8355fc9a470a7c5a5ea680e9ff32eb6e17549733c9b7364c6b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA5850239
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
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 0x5b6f873ce055bc8355fc9a470a7c5a5ea680e9ff32eb6e17549733c9b7364c6b. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/GBBBA5850239.
  date published: 2026-07-31T19:53:13Z
audio: Ciaccona in G Minor, Z.730 - Ed. Thurston Dart
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.588
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.208
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.904
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.539
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.099
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.014
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Janácek: From the House of the Dead; Mládi; Ríkadla
type: MusicAlbum
date published: 1980-01-01
track: From the House of the Dead (Z Mrtvého Domu) / Act 1: Prelude
  type: MusicRecording
  duration: PT5M31S
  duration ms: 331133
  explicit: false
  by artist: Leoš Janáček
  by artist: Wiener Philharmoniker
  by artist: Sir Charles Mackerras
  in album: Janácek: From the House of the Dead; Mládi; Ríkadla
    type: MusicAlbum
    date published: 1980-01-01
  genre: classical
  genre: czech-classical
  genre: early-modern-classical
  genre: contemporary-classical
  genre: post-romantic-era
  isrc code: GBF078041001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T23:44:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xce33d304e1e37d71207ed13933ad415ed4fc538fffcfafecff0e1832d926b977
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960327
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960327
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078041001
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T00:26:26Z
  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 0xce33d304e1e37d71207ed13933ad415ed4fc538fffcfafecff0e1832d926b977. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078041001.
    date published: 2026-07-31T00:26:26Z
  audio: From the House of the Dead (Z Mrtvého Domu) / Act 1: Prelude
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 122.54
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.302
    additional property: Energy
      type: PropertyValue
      value: 0.23
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.785
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.557
    additional property: Liveness
      type: PropertyValue
      value: 0.349
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.074
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.265
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Ultimate Vivaldi
type: MusicAlbum
date published: 2007-01-01

101 Baroque
type: MusicAlbum
date published: 2012-01-01
track: Abdelazer: Rondeau
  type: MusicRecording
  duration: PT1M37S
  duration ms: 97680
  explicit: false
  by artist: Henry Purcell
  by artist: Academy of St. Martin in the Fields
  by artist: Sir Neville Marriner
  in album: 101 Baroque
    type: MusicAlbum
    date published: 2012-01-01
  genre: classical
  genre: choral
  isrc code: NLA507100156
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T13:50:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9b34e75ffcc182f49c61b590ea40ab9234cc560dfadf30da89e1fc86b31a529b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507100156
  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 0x9b34e75ffcc182f49c61b590ea40ab9234cc560dfadf30da89e1fc86b31a529b. 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/NLA507100156.
    date published: 2026-07-08T03:20:19Z
  audio: Abdelazer: Rondeau
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.693
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.402
    additional property: Energy
      type: PropertyValue
      value: 0.165
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.956
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.856
    additional property: Liveness
      type: PropertyValue
      value: 0.106
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.259
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.307
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Mi Disco de Oro (Remasterizado)
type: MusicAlbum
date published: 1982
track: Zarzuela - Remasterizado
  type: MusicRecording
  duration: PT4M53S
  duration ms: 293933
  explicit: false
  by artist: Luis Cobos
  by artist: Federico Chueca
  by artist: Francisco Alonso
  by artist: Jacinto Guerrero
  by artist: Francísco Alonso López
  by artist: Martinez
  by artist: Ramos Chapi
  by artist: Vicente Lleo
  by artist: Guillermo Perrin
  by artist: Royal Philharmonic Orchestra
  in album: Mi Disco de Oro (Remasterizado)
    type: MusicAlbum
    date published: 1982
  popularity: 13
  genre: classical
  genre: orchestra
  isrc code: ES5021702689
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T02:39:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x56c94360a42eee5dd3535e9ae9efb397eb7c10e233953530ae512f43638805da
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  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/ES5021702689
  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 0x56c94360a42eee5dd3535e9ae9efb397eb7c10e233953530ae512f43638805da. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702689.
    date published: 2026-07-02T03:30:09Z
  audio: Zarzuela - Remasterizado
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 139.755
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.682
    additional property: Energy
      type: PropertyValue
      value: 0.562
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.212
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.924
    additional property: Liveness
      type: PropertyValue
      value: 0.204
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.836
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.478
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Capriccio Russo - Remasterizado
  type: MusicRecording
  duration: PT5M5S
  duration ms: 305973
  explicit: false
  by artist: Traditional
  by artist: Luis Cobos
  by artist: Moscow RTV Symphony Orchestra
  in album: Mi Disco de Oro (Remasterizado)
    type: MusicAlbum
    date published: 1982
  popularity: 11
  genre: bhajan
  genre: gregorian-chant
  genre: medieval
  genre: traditional-music
  isrc code: ES5021702697
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T20:48:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc8f7150f2e64cf455a2ab44e18610245ad5ea3ff5b7f54d6458757e5837b2a6d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  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/ES5021702697
  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 0xc8f7150f2e64cf455a2ab44e18610245ad5ea3ff5b7f54d6458757e5837b2a6d. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702697.
    date published: 2026-07-02T03:30:09Z
  audio: Capriccio Russo - Remasterizado
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 141.562
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.538
    additional property: Energy
      type: PropertyValue
      value: 0.579
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.011
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.817
    additional property: Liveness
      type: PropertyValue
      value: 0.342
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.7
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.467
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Danza del Fuego (From "Benamor") - Remasterizado
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229306
  explicit: false
  by artist: Antonio Paso
  by artist: Ricardo Gonzalez Del Toro
  by artist: Pablo Luna
  by artist: Luis Cobos
  by artist: Barry Griffiths
  by artist: The Royal Philarmonic Concert Orchestra
  in album: Mi Disco de Oro (Remasterizado)
  popularity: 5
  isrc code: ES5021702690
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Danza del Fuego (From "Benamor") - Remasterizado
track: Va Pensiero (From "Nabucco") - Remasterizado
track: Una Noche de Septiembre - Remasterizado
track: Vienna Concerto - Remasterizado
track: Pasodobles - Remasterizado
track: Sempre Vals - Remasterizado
track: La Torre del Oro - Remasterizado
track: Aria (From "Suite No. 3") - Remasterizado
track: Adagio en Venecia - Remasterizado
track: Carmen Passion - Remasterizado
track: Zarzuela 3 - Remasterizado
track: Suite 1700 - Remasterizado
track: México 1 - Remasterizado
track: Turandot: Nessun Dorma - Finale - Remasterizado

The Royal Philarmonic Concert Orchestra
type: MusicGroup

Mi Disco de Oro (Remasterizado)
type: MusicAlbum
date published: 1982

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-06T06:33:55+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x23fdbb506bd58e165f7acee7c21a13794f9fa8e41a5295abb58b08efd9e7a1a4

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956889

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956889

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702690

OTSTimestamp
type: PropertyValue
value: 2026-07-06T06:56:49Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23fdbb506bd58e165f7acee7c21a13794f9fa8e41a5295abb58b08efd9e7a1a4. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702690.
date published: 2026-07-06T06:56:49Z

Danza del Fuego (From "Benamor") - Remasterizado
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 178.453
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.445
additional property: Energy
  type: PropertyValue
  value: 0.487
additional property: Speechiness
  type: PropertyValue
  value: 0.03
additional property: Acousticness
  type: PropertyValue
  value: 0.076
additional property: Instrumentalness
  type: PropertyValue
  value: 0.968
additional property: Liveness
  type: PropertyValue
  value: 0.345
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.766
additional property: Loudness (dB)
  type: PropertyValue
  value: -18.649
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Minor

Va Pensiero (From "Nabucco") - Remasterizado
type: MusicRecording
duration: PT4M13S
duration ms: 253293
explicit: false
by artist: Giuseppe Verdi
by artist: Luis Cobos
by artist: Royal Philharmonic Orchestra
in album: Mi Disco de Oro (Remasterizado)
  type: MusicAlbum
  date published: 1982
popularity: 6
genre: classical
genre: opera
isrc code: ES5021702698
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T10:35:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f91a150baa6ff03c96ee985a8690be94ef5356b906c23aeed0c018807d92d59
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960095
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960095
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702698
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T11:07:37Z
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 0x5f91a150baa6ff03c96ee985a8690be94ef5356b906c23aeed0c018807d92d59. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702698.
  date published: 2026-07-29T11:07:37Z
audio: Va Pensiero (From "Nabucco") - Remasterizado
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 151.822
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.144
  additional property: Energy
    type: PropertyValue
    value: 0.065
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.029
  additional property: Liveness
    type: PropertyValue
    value: 0.194
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.086
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.983
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Una Noche de Septiembre - Remasterizado
type: MusicRecording
duration: PT11M38S
duration ms: 698400
explicit: false
by artist: Luis Cobos
by artist: Aram Khachaturian
by artist: Pyotr Ilyich Tchaikovsky
by artist: Sergei Rachmaninoff
by artist: Moscow RTV Symphony Orchestra
in album: Mi Disco de Oro (Remasterizado)
  type: MusicAlbum
  date published: 1982
popularity: 6
genre: classical
genre: orchestra
isrc code: ES5021702691
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T18:09:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x70d8c21778bda762e1cf9a79f3a6c02304156208fdadbab69e7457af16b0d62d
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/ES5021702691
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 0x70d8c21778bda762e1cf9a79f3a6c02304156208fdadbab69e7457af16b0d62d. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702691.
  date published: 2026-07-02T03:55:08Z
audio: Una Noche de Septiembre - Remasterizado
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.386
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.063
  additional property: Energy
    type: PropertyValue
    value: 0.266
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.507
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.906
  additional property: Liveness
    type: PropertyValue
    value: 0.365
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.08
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.318
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vienna Concerto - Remasterizado
type: MusicRecording
duration: PT5M33S
duration ms: 333600
explicit: false
by artist: Franz von Suppé
by artist: Johann Strauss I
by artist: Johannes Brahms
by artist: Richard Rodgers
by artist: Wolfgang Amadeus Mozart
by artist: Oscar Hammerstein II
by artist: Luis Cobos
by artist: Royal Philharmonic Orchestra
in album: Mi Disco de Oro (Remasterizado)
  type: MusicAlbum
  date published: 1982
popularity: 15
genre: late-romantic-era
genre: operetta
isrc code: ES5021702699
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T21:44:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x32af8e907547747fe4565ad0c430482ba3d1ef1edd85a714530e89c5d7251870
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
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/ES5021702699
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 0x32af8e907547747fe4565ad0c430482ba3d1ef1edd85a714530e89c5d7251870. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702699.
  date published: 2026-07-02T03:30:09Z
audio: Vienna Concerto - Remasterizado
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.278
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.565
  additional property: Energy
    type: PropertyValue
    value: 0.524
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.578
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.695
  additional property: Liveness
    type: PropertyValue
    value: 0.249
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.737
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.948
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pasodobles - Remasterizado
type: MusicRecording
duration: PT5M36S
duration ms: 336866
explicit: false
by artist: Luis Cobos
by artist: Antonio Alvarez
by artist: Eduardo López Juarranz
by artist: Jaime Texidor
by artist: Pascual Marquina
by artist: Alan Jones
by artist: Royal Philharmonic Orchestra
by artist: Ray Simmons
by artist: Barry Griffith
by artist: The Royal Philarmonic Concert Orchestra
by artist: Peter Van Hooke
in album: Mi Disco de Oro (Remasterizado)
  type: MusicAlbum
  date published: 1982
popularity: 17
genre: classical
genre: orchestra
isrc code: ES5021702692
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T05:30:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x675c3ba49d50822e02e2b93792806b608c95c304ce1562dfdbd744f8a6cf40b8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702692
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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x675c3ba49d50822e02e2b93792806b608c95c304ce1562dfdbd744f8a6cf40b8. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702692.
  date published: 2026-06-13T13:32:09Z
audio: Pasodobles - Remasterizado
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.197
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.681
  additional property: Energy
    type: PropertyValue
    value: 0.36
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.253
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.812
  additional property: Liveness
    type: PropertyValue
    value: 0.175
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.582
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.126
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sempre Vals - Remasterizado
type: MusicRecording
duration: PT8M9S
duration ms: 489133
explicit: false
by artist: Johann Strauss II
by artist: Luis Cobos
by artist: Royal Philharmonic Orchestra
in album: Mi Disco de Oro (Remasterizado)
  type: MusicAlbum
  date published: 1982
popularity: 7
isrc code: ES5021702700
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T08:50:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb9b2791b9f4e2ca12107fb85f633519cc7e1f5d1ecdeeab31e4fa153302cd9ad
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702700
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
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 0xb9b2791b9f4e2ca12107fb85f633519cc7e1f5d1ecdeeab31e4fa153302cd9ad. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/ES5021702700.
  date published: 2026-07-07T18:39:05Z
audio: Sempre Vals - Remasterizado
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.424
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.219
  additional property: Energy
    type: PropertyValue
    value: 0.138
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.836
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.631
  additional property: Liveness
    type: PropertyValue
    value: 0.339
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.185
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.189
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Torre del Oro - Remasterizado
type: MusicRecording
duration: PT4M53S
duration ms: 293333
explicit: false
by artist: Luis Cobos
by artist: Francisco Alonso
by artist: Gerónimo Giménez
by artist: Jacinto Guerrero Torres
by artist: Ruperto Chapí
by artist: Royal Philharmonic Orchestra
in album: Mi Disco de Oro (Remasterizado)
  type: MusicAlbum
  date published: 1982
popularity: 5
genre: classical
genre: orchestra
isrc code: ES5021702693
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T02:58:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x83e03a96fcdb1583be7dba1e3248deab7a526b0433992f5066c5ee6fad41df84
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960203
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960203
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702693
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T03:35:13Z
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 0x83e03a96fcdb1583be7dba1e3248deab7a526b0433992f5066c5ee6fad41df84. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/ES5021702693.
  date published: 2026-07-30T03:35:13Z
audio: La Torre del Oro - Remasterizado
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.735
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.558
  additional property: Energy
    type: PropertyValue
    value: 0.508
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.207
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.926
  additional property: Liveness
    type: PropertyValue
    value: 0.087
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.428
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.075
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Aria (From "Suite No. 3") - Remasterizado
type: MusicRecording
duration: PT4M27S
duration ms: 267466
explicit: false
by artist: Johann Sebastian Bach
by artist: Luis Cobos
by artist: John Giorgiadis
by artist: David Tows
by artist: Sarah B.M. Campbell
by artist: Julia Girwood
in album: Mi Disco de Oro (Remasterizado)
  type: MusicAlbum
  date published: 1982
popularity: 19
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: ES5021702701
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T06:20:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x25893cbf34e5ec730a7d764b107b475727c52335566969d6ce3a9f6eb426b3c1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702701
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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25893cbf34e5ec730a7d764b107b475727c52335566969d6ce3a9f6eb426b3c1. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702701.
  date published: 2026-06-13T13:32:09Z
audio: Aria (From "Suite No. 3") - Remasterizado
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.758
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.083
  additional property: Energy
    type: PropertyValue
    value: 0.221
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.15
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.961
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.13
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Adagio en Venecia - Remasterizado
type: MusicRecording
duration: PT12M0S
duration ms: 720000
explicit: false
by artist: Luis Cobos
by artist: Gaetano Donizetti
by artist: Giacomo Puccini
by artist: Tomaso Albinoni
by artist: Orchestra Sinfonica Nazionale Della RAI
in album: Mi Disco de Oro (Remasterizado)
  type: MusicAlbum
  date published: 1982
popularity: 6
genre: classical
genre: orchestra
isrc code: ES5021702694
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T17:34:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x79c84033ae8fd1c90d02b89ae48891ed56d5935456115e72a5313dc7780cab74
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702694
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79c84033ae8fd1c90d02b89ae48891ed56d5935456115e72a5313dc7780cab74. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702694.
  date published: 2026-07-29T19:35:34Z
audio: Adagio en Venecia - Remasterizado
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.812
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.208
  additional property: Energy
    type: PropertyValue
    value: 0.247
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.898
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.888
  additional property: Liveness
    type: PropertyValue
    value: 0.359
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.082
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.903
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Carmen Passion - Remasterizado
type: MusicRecording
duration: PT5M3S
duration ms: 303666
explicit: false
by artist: Georges Bizet
by artist: Luis Cobos
by artist: Plácido Domingo
by artist: Lola Biagoni
by artist: Alexandra Gordon
by artist: Alison Gordon
by artist: Glenys Groves
by artist: Suzan Maissey
by artist: Juliet Oppenheimer
by artist: Gwyneth Price
by artist: Eryl Royle
by artist: Mary Stevenson
by artist: Glenys Roberts
by artist: Ann Tudor Williams
by artist: Kathleen Wilder
by artist: Patricia Symon
by artist: Margaret Stobart
by artist: Elizabeth Stanford
by artist: Valerie Robinson
by artist: Anne Osborne
by artist: Norma Morgan
by artist: Fernanda Iozzo
by artist: Eileen Hamilton
by artist: Anne Guthre
by artist: Jessica Bonar
by artist: Isobel Bradshaw
by artist: Anna Cooper
by artist: Marybelle Oakes
by artist: Karen Robertson
by artist: Elizabeth Shelley
by artist: Kathleen Smales
by artist: Margarette Williams
by artist: Jane Powell
by artist: Marian Winfield
by artist: Jean Tredway
by artist: Elizabeth Sikora
by artist: Karen Shelby
by artist: Ruth Roberts
by artist: Patricia Purcell
by artist: Nada Pobjoy
by artist: David Barret
by artist: John Strange
by artist: David Young
by artist: John Winfield
by artist: Handel Owen
by artist: James O'Neil
by artist: Tristan Macgregor
by artist: Ignatius McFadyen
by artist: Daniel McCoshan
by artist: John Kerr
in album: Mi Disco de Oro (Remasterizado)
  type: MusicAlbum
  date published: 1982
popularity: 6
genre: classical
genre: opera
isrc code: ES5021702702
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T04:36:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x12d7f5a3fa652f16e75bb226837f07f2bb635e0039edcf66beab9af856d9581b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
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/ES5021702702
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12d7f5a3fa652f16e75bb226837f07f2bb635e0039edcf66beab9af856d9581b. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702702.
  date published: 2026-07-06T06:56:49Z
audio: Carmen Passion - Remasterizado
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.457
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.612
  additional property: Energy
    type: PropertyValue
    value: 0.534
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.333
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.398
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.589
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.384
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Zarzuela 3 - Remasterizado
type: MusicRecording
duration: PT6M39S
duration ms: 399800
explicit: false
by artist: Luis Cobos
by artist: Carlos Arniches Barrera
by artist: Federico Chueca
by artist: Federico Moreno Torroba
by artist: Francisco Asenjo Barbieri
by artist: Gerónimo Giménez
by artist: Jose Serrano
by artist: Pablo Sorozábal
by artist: Joaquín Valverde
by artist: Anselmo Carreño
by artist: Emilio González del Castillo
by artist: Julián Romea
by artist: Luis Mariano de Larra
by artist: Miguel Ramos
by artist: Ricardo Gonzalez Del Toro
by artist: Fernando Luque
by artist: Francisco Ramos de Castro
by artist: Manuel Martí
by artist: Barry Griffiths
by artist: Royal Philharmonic Orchestra
in album: Mi Disco de Oro (Remasterizado)
  type: MusicAlbum
  date published: 1982
popularity: 10
genre: classical
genre: orchestra
isrc code: ES5021702695
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T16:40:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5d7279198b081eb4050463b1cbab2c6324a15a997b660f3ebdc9ecdf20acab01
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/ES5021702695
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 0x5d7279198b081eb4050463b1cbab2c6324a15a997b660f3ebdc9ecdf20acab01. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702695.
  date published: 2026-07-02T03:55:08Z
audio: Zarzuela 3 - Remasterizado
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.993
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.597
  additional property: Energy
    type: PropertyValue
    value: 0.558
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.197
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.939
  additional property: Liveness
    type: PropertyValue
    value: 0.321
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.792
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.245
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Suite 1700 - Remasterizado
type: MusicRecording
duration: PT6M21S
duration ms: 381133
explicit: false
by artist: Antonio Vivaldi
by artist: George Frideric Handel
by artist: Johann Sebastian Bach
by artist: Luis Cobos
by artist: John Giorgiadis
by artist: David Tows
by artist: Sarah B.M. Campbell
by artist: Julia Girwood
in album: Mi Disco de Oro (Remasterizado)
  type: MusicAlbum
  date published: 1982
popularity: 7
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: ES5021702703
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T04:31:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x56adf44131019c590e9bc527eb0d7ed031edda3fd55745740b46010f904176d5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
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/ES5021702703
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56adf44131019c590e9bc527eb0d7ed031edda3fd55745740b46010f904176d5. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702703.
  date published: 2026-07-06T06:56:49Z
audio: Suite 1700 - Remasterizado
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.338
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.609
  additional property: Energy
    type: PropertyValue
    value: 0.617
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.405
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.927
  additional property: Liveness
    type: PropertyValue
    value: 0.084
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.883
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.863
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

México 1 - Remasterizado
type: MusicRecording
duration: PT2M29S
duration ms: 149893
explicit: false
by artist: Luis Cobos
by artist: Pepe Guizar
by artist: Traditional
by artist: Royal Philharmonic Orchestra
by artist: Jorge Álvarez
in album: Mi Disco de Oro (Remasterizado)
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Turandot: Nessun Dorma - Finale - Remasterizado
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by artist: Juliet Oppenheimer
by artist: Gwyneth Price
by artist: Eryl Royle
by artist: Mary Stevenson
by artist: Glenys Roberts
by artist: Ann Tudor Williams
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by artist: Patricia Symon
by artist: Margaret Stobart
by artist: Elizabeth Stanford
by artist: Valerie Robinson
by artist: Anne Osborne
by artist: Norma Morgan
by artist: Fernanda Iozzo
by artist: Eileen Hamilton
by artist: Anne Guthre
by artist: Jessica Bonar
by artist: Isobel Bradshaw
by artist: Anna Cooper
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track: Flute Concerto In G Minor, Op.10, No.2, RV439 - "La notte": 3. Largo
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track: 12 Violin Concertos, Op. 8 "Il cimento dell'armonia e dell'inventione" / Concerto No. 1 in E Major for solo violin, RV269 "La Primavera": II. Largo
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track: Concerto in F Major for 2 Oboes, Bassoon, 2 Horns & Violin, RV 574: 2. Grave
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track: 12 Violin Concertos, Op. 8 "Il cimento dell'armonia e dell'inventione" / Concerto No. 3 in F Major for solo violin, RV293 "L'Autunno": II. Adagio molto
track: Concerto in F Major for 2 Horns, Strings & Continuo, RV 539: 2. Larghetto
track: Concerto for Lute, 2 Violins and Continuo in D major, RV 93: 2. Largo (Arr. for Guitar)
track: Bassoon Concerto in A Minor, RV 498: 2. Larghetto
track: Concerto for 2 Mandolins, Strings and Continuo in G major, RV 532: 2. Andante
track: 12 Violin Concertos, Op. 9 "La cetra" / Concerto No. 8 in D Minor, RV 238: 2. Largo
track: Concerto in D Minor for 2 Oboes, Strings & Continuo, RV 535 - Ed. Hogwood: 2. Largo
track: 12 Violin Concertos, Op. 9 "La cetra" / Concerto No. 9 in B-Flat Major fo 2 Violins, RV 530: 2. Largo e spiccato
track: Concerto for 2 Violins, 2 Cellos, Strings and Continuo in D, RV 564: 2. Largo
track: 12 Violin Concertos, Op. 9 "La cetra" / Concerto No. 10 in G Major, RV 300: 2. Largo cantabile
track: Flautino Concerto in C Major, RV 443 - Ed. Hogwood: 2. Largo
track: 12 Violin Concertos, Op. 9 "La cetra" / Concerto No. 11 in C Minor, RV 198a: 2. Adagio
track: 12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 12 in G Major, RV 298: 2. Largo
track: 12 Violin Concertos, Op. 9 "La cetra" / Concerto No. 5 in A Minor, RV 358: 2. Largo
track: 12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 1 in B-Flat Major, RV 383a: 2. Largo e Cantabile
track: 12 Violin Concertos, Op. 9 "La cetra" / Concerto No. 6 in A Major, RV 348: 2. Largo
track: 12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 2 in E Minor, RV 279: 2. Largo
track: 12 Violin Concertos, Op. 9 "La cetra" / Concerto No. 7 in B-Flat Major, RV 359: 2. Largo
track: 12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 3 in G Major, RV 301: 2. Largo
track: Concerto for Violin and Strings in E flat, Op. 8/5 , RV 253 "La tempesta di mare": 2. Largo
track: 12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 4 in A Minor, RV 357: 2. Grave e sempre piano
track: Concerto for Violin and Strings in C, Op. 8, No. 6, R.180 "Il pia cere": 2. Largo e cantabile
track: 12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 5 in A Major, RV 347: 2. Largo
track: Concerto for Violin and Strings in D minor , Op. 8/7 , RV 242: 2. Largo
track: 12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 6 in G Minor, RV 316a: 2. Largo
track: Concerto for Violin and Strings in G minor , Op. 8/8 , RV 332: 2. Largo
track: 12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 7 in G Major, RV 185: 1. Largo - Allegro
track: Concerto for Oboe and Strings in D minor , Op.8/9 , RV 454: 2. Largo
track: 12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 7 in G Major, RV 185: 3. Allegro
track: Concerto for Violin and Strings in B flat , Op. 8/10 , RV 362 "La caccia": 2. Adagio
track: 12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 9 in F Major, RV 284: 2. Largo
track: Concerto for Violin and Strings in D , Op. 8/11 , RV 210: 2. Largo
track: 12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 10 in C Minor, RV 196: 2. Adagio
track: Oboe Concerto in C Major, RV 449: 2. Largo
track: 12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 11 in D Major, RV 204: 2. Largo
track: Concerto for 2 Cellos, Strings and Continuo in G minor, RV 531: 2. Largo
track: Flute Concerto in A minor, RV 108 - Performed on recorder: 2. Largo
track: Concerto for 2 Flutes, Strings and Continuo in C major, RV 533: 2. Largo
track: Oboe Concerto in F Major, RV 456: 1. Largo
track: Flute Concerto in C Minor, RV 441: 2. Largo
track: Concerto for Viola d'amore, Lute, Strings and Continuo in D minor, RV 540: 2. Largo (Arr. for Guitar)
track: Sonata for Lute, Violin and Continuo, RV 82: 2. Larghetto (Arr. for Guitar)

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Concerto in F Major for 2 Oboes, Bassoon, 2 Horns & Violin, RV 574: 2. Grave
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by artist: Colin Tilney
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
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  date published: 2026-07-31T15:20:15Z
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12 Violin Concertos, Op. 8 "Il cimento dell'armonia e dell'inventione" / Concerto No. 2 in G Minor for solo violin, RV315 "L'Estate": II. Adagio - Presto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:36:16Z
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Concerto in F Major for 2 Oboes, 2 Horns & Violin, RV 569: 2. Grave
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by artist: Kenneth Heath
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:44:50Z
audio: Concerto in F Major for 2 Oboes, 2 Horns & Violin, RV 569: 2. Grave
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12 Violin Concertos, Op. 8 "Il cimento dell'armonia e dell'inventione" / Concerto No. 3 in F Major for solo violin, RV293 "L'Autunno": II. Adagio molto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T04:47:22Z
audio: 12 Violin Concertos, Op. 8 "Il cimento dell'armonia e dell'inventione" / Concerto No. 3 in F Major for solo violin, RV293 "L'Autunno": II. Adagio molto
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Concerto in F Major for 2 Horns, Strings & Continuo, RV 539: 2. Larghetto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T12:45:34Z
audio: Concerto in F Major for 2 Horns, Strings & Continuo, RV 539: 2. Larghetto
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Concerto for Lute, 2 Violins and Continuo in D major, RV 93: 2. Largo (Arr. for Guitar)
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subject of: OpenTimestamps Proof of Existence
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Bassoon Concerto in A Minor, RV 498: 2. Larghetto
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T08:26:41Z
audio: Bassoon Concerto in A Minor, RV 498: 2. Larghetto
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Concerto for 2 Mandolins, Strings and Continuo in G major, RV 532: 2. Andante
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by artist: Tom Finucane
by artist: New London Consort
by artist: Philip Pickett
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popularity: 7
genre: classical
genre: early-music
genre: baroque
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T01:32:48Z
audio: Concerto for 2 Mandolins, Strings and Continuo in G major, RV 532: 2. Andante
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12 Violin Concertos, Op. 9 "La cetra" / Concerto No. 8 in D Minor, RV 238: 2. Largo
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by artist: Iona Brown
by artist: Academy of St. Martin in the Fields
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  date published: 1988-01-01
popularity: 3
genre: classical
genre: early-music
genre: baroque
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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: 2026-07-31T02:19:15Z
audio: 12 Violin Concertos, Op. 9 "La cetra" / Concerto No. 8 in D Minor, RV 238: 2. Largo
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Concerto in D Minor for 2 Oboes, Strings & Continuo, RV 535 - Ed. Hogwood: 2. Largo
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duration: PT2M33S
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by artist: Antonio Vivaldi
by artist: Celia Nicklin
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by artist: Christopher Hogwood
by artist: Colin Tilney
by artist: Kenneth Heath
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
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genre: classical
genre: early-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: 2026-07-08T03:20:19Z
audio: Concerto in D Minor for 2 Oboes, Strings & Continuo, RV 535 - Ed. Hogwood: 2. Largo
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12 Violin Concertos, Op. 9 "La cetra" / Concerto No. 9 in B-Flat Major fo 2 Violins, RV 530: 2. Largo e spiccato
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duration: PT3M30S
duration ms: 210866
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by artist: Antonio Vivaldi
by artist: Iona Brown
by artist: Malcolm Latchem
by artist: Academy of St. Martin in the Fields
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popularity: 3
genre: classical
genre: early-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:51:48Z
audio: 12 Violin Concertos, Op. 9 "La cetra" / Concerto No. 9 in B-Flat Major fo 2 Violins, RV 530: 2. Largo e spiccato
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Concerto for 2 Violins, 2 Cellos, Strings and Continuo in D, RV 564: 2. Largo
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duration ms: 126866
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by artist: Anthony Pleeth
by artist: Academy of Ancient Music
by artist: Christopher Hogwood
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popularity: 6
genre: classical
genre: early-music
genre: baroque
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
audio: Concerto for 2 Violins, 2 Cellos, Strings and Continuo in D, RV 564: 2. Largo
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12 Violin Concertos, Op. 9 "La cetra" / Concerto No. 10 in G Major, RV 300: 2. Largo cantabile
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by artist: Iona Brown
by artist: Academy of St. Martin in the Fields
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popularity: 12
genre: classical
genre: early-music
genre: baroque
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  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: 2026-07-02T03:30:09Z
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Flautino Concerto in C Major, RV 443 - Ed. Hogwood: 2. Largo
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  date published: 2026-07-08T03:20:19Z
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12 Violin Concertos, Op. 9 "La cetra" / Concerto No. 11 in C Minor, RV 198a: 2. Adagio
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12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 12 in G Major, RV 298: 2. Largo
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  date published: 2026-07-08T03:20:19Z
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12 Violin Concertos, Op. 9 "La cetra" / Concerto No. 5 in A Minor, RV 358: 2. Largo
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12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 1 in B-Flat Major, RV 383a: 2. Largo e Cantabile
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12 Violin Concertos, Op. 9 "La cetra" / Concerto No. 6 in A Major, RV 348: 2. Largo
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12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 2 in E Minor, RV 279: 2. Largo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T22:48:59Z
audio: 12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 2 in E Minor, RV 279: 2. Largo
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12 Violin Concertos, Op. 9 "La cetra" / Concerto No. 7 in B-Flat Major, RV 359: 2. Largo
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by artist: Iona Brown
by artist: Academy of St. Martin in the Fields
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:58:21Z
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12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 3 in G Major, RV 301: 2. Largo
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by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: 12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 3 in G Major, RV 301: 2. Largo
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Concerto for Violin and Strings in E flat, Op. 8/5 , RV 253 "La tempesta di mare": 2. Largo
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by artist: John Holloway
by artist: Academy of Ancient Music
by artist: Christopher Hogwood
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Concerto for Violin and Strings in E flat, Op. 8/5 , RV 253 "La tempesta di mare": 2. Largo
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12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 4 in A Minor, RV 357: 2. Grave e sempre piano
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T05:15:54Z
audio: 12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 4 in A Minor, RV 357: 2. Grave e sempre piano
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Concerto for Violin and Strings in C, Op. 8, No. 6, R.180 "Il pia cere": 2. Largo e cantabile
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T03:13:37Z
audio: Concerto for Violin and Strings in C, Op. 8, No. 6, R.180 "Il pia cere": 2. Largo e cantabile
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12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 5 in A Major, RV 347: 2. Largo
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subject of: OpenTimestamps Proof of Existence
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Concerto for Violin and Strings in D minor , Op. 8/7 , RV 242: 2. Largo
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12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 6 in G Minor, RV 316a: 2. Largo
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Concerto for Violin and Strings in G minor , Op. 8/8 , RV 332: 2. Largo
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12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 7 in G Major, RV 185: 1. Largo - Allegro
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Concerto for Oboe and Strings in D minor , Op.8/9 , RV 454: 2. Largo
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12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 7 in G Major, RV 185: 3. Allegro
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Concerto for Violin and Strings in B flat , Op. 8/10 , RV 362 "La caccia": 2. Adagio
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T07:28:30Z
audio: Concerto for Violin and Strings in B flat , Op. 8/10 , RV 362 "La caccia": 2. Adagio
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12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 9 in F Major, RV 284: 2. Largo
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by artist: Sir Neville Marriner
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popularity: 4
genre: classical
genre: early-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T07:28:30Z
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Concerto for Violin and Strings in D , Op. 8/11 , RV 210: 2. Largo
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T21:35:24Z
audio: Concerto for Violin and Strings in D , Op. 8/11 , RV 210: 2. Largo
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12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 10 in C Minor, RV 196: 2. Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T18:23:33Z
audio: 12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 10 in C Minor, RV 196: 2. Adagio
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Oboe Concerto in C Major, RV 449: 2. Largo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Oboe Concerto in C Major, RV 449: 2. Largo
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12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 11 in D Major, RV 204: 2. Largo
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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: 12 Violin Concertos, Op. 4 "La stravaganza" / Concerto No. 11 in D Major, RV 204: 2. Largo
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Concerto for 2 Cellos, Strings and Continuo in G minor, RV 531: 2. Largo
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subject of: OpenTimestamps Proof of Existence
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Flute Concerto in A minor, RV 108 - Performed on recorder: 2. Largo
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Concerto for 2 Flutes, Strings and Continuo in C major, RV 533: 2. Largo
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Oboe Concerto in F Major, RV 456: 1. Largo
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Flute Concerto in C Minor, RV 441: 2. Largo
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Concerto for Viola d'amore, Lute, Strings and Continuo in D minor, RV 540: 2. Largo (Arr. for Guitar)
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Sonata for Lute, Violin and Continuo, RV 82: 2. Larghetto (Arr. for Guitar)
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Vivaldi: L'Estro Armonico; 4 Concertos
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track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 10 for 4 Violins and Cello in B Minor, RV 580: I. Allegro
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track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 1 for 4 Violins in D Major, RV 549: II. Largo e Spiccato
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 10 for 4 Violins and Cello in B Minor, RV 580: II. Largo - Larghetto
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 1 for 4 Violins in D Major, RV 549: III. Allegro
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 10 for 4 Violins and Cello in B Minor, RV 580: III. Allegro
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 2 for 2 Violins and Cello in G Minor, RV 578: I. Adagio e spiccato
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 11 for 2 Violins and Cello in D Minor, RV 565: I. Allegro
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 2 for 2 Violins and Cello in G Minor, RV 578: II. Allegro
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 11 for 2 Violins and Cello in D Minor, RV 565: II. Largo e Spiccato
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 2 for 2 Violins and Cello in G Minor, RV 578: III. Larghetto
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 11 for 2 Violins and Cello in D Minor, RV 565: III. Allegro
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 2 for 2 Violins and Cello in G Minor, RV 578: IV. Allegro
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 12 for Solo Violin in E Major, RV 265: I. Allegro
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 3 for Solo Violin in G Major, RV 310: I. Allegro
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 12 for Solo Violin in E Major, RV 265: II. Largo
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 3 for Solo Violin in G Major, RV 310: II. Largo
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 12 for Solo Violin in E Major, RV 265: III. Allegro
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 3 for Solo Violin in G Major, RV 310: III. Allegro
track: Oboe Concerto in F Major, RV 456
track: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 4 in E Minor for 4 Violins, RV 550: 1. Andante
track: Bassoon Concerto in A Minor, RV 498
track: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 4 in E Minor for 4 Violins, RV 550: 2. Allegro assai
track: Flute Concerto in C Minor, RV 441
track: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 4 in E Minor for 4 Violins, RV 550: 3. Adagio - Allegro
track: Concerto in F Major for 2 Oboes, Bassoon, 2 Horns and Violin, RV 574
track: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 5 in A Major for 2 Violins, RV 519: 1. Allegro
track: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 5 in A Major for 2 Violins, RV 519: 2. Largo
track: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 5 in A Major for 2 Violins, RV 519: 3. Allegro
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 6 for Solo Violin in A Minor, RV 356: I. Allegro
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 6 for Solo Violin in A Minor, RV 356: II. Largo
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 6 for Solo Violin in A Minor, RV 356: III. Presto
track: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 7 in F Major for 4 Violins, RV 567: 1. Andante
track: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 7 in F Major for 4 Violins, RV 567: 2. Adagio - Allegro
track: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 7 in F Major for 4 Violins, RV 567: 3. Adagio - Allegro
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 8 for 2 Violins in A Minor, RV 522: I. Allegro
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 8 for 2 Violins in A Minor, RV 522: II. Larghetto e spirituoso
track: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 8 for 2 Violins in A Minor, RV 522: III. Allegro
track: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 9 in D Major for Violin, RV 230: 1. Allegro
track: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 9 in D Major for Violin, RV 230: 2. Larghetto
track: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 9 in D Major for Violin, RV 230: 3. Allegro

12 Concertos, Op. 3 "L'estro armonico", Concerto No. 1 for 4 Violins in D Major, RV 549: II. Largo e Spiccato
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by artist: Alan Loveday
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by artist: Roy Gillard
by artist: Kenneth Heath
by artist: Christopher Hogwood
by artist: Colin Tilney
by artist: Robert Spencer
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 1 for 4 Violins in D Major, RV 549: II. Largo e Spiccato
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 10 for 4 Violins and Cello in B Minor, RV 580: II. Largo - Larghetto
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by artist: Robert Spencer
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audio: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 10 for 4 Violins and Cello in B Minor, RV 580: II. Largo - Larghetto
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 1 for 4 Violins in D Major, RV 549: III. Allegro
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 10 for 4 Violins and Cello in B Minor, RV 580: III. Allegro
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  date published: 2026-07-02T03:30:09Z
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 2 for 2 Violins and Cello in G Minor, RV 578: I. Adagio e spiccato
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 11 for 2 Violins and Cello in D Minor, RV 565: I. Allegro
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  date published: 2026-07-31T05:17:02Z
audio: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 11 for 2 Violins and Cello in D Minor, RV 565: I. Allegro
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 2 for 2 Violins and Cello in G Minor, RV 578: II. Allegro
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audio: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 2 for 2 Violins and Cello in G Minor, RV 578: II. Allegro
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 11 for 2 Violins and Cello in D Minor, RV 565: II. Largo e Spiccato
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  date published: 2026-07-31T06:42:11Z
audio: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 11 for 2 Violins and Cello in D Minor, RV 565: II. Largo e Spiccato
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 2 for 2 Violins and Cello in G Minor, RV 578: III. Larghetto
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 11 for 2 Violins and Cello in D Minor, RV 565: III. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:26:26Z
audio: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 11 for 2 Violins and Cello in D Minor, RV 565: III. Allegro
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 2 for 2 Violins and Cello in G Minor, RV 578: IV. Allegro
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by artist: Christopher Hogwood
by artist: Colin Tilney
by artist: Robert Spencer
by artist: Kenneth Heath
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T18:23:33Z
audio: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 2 for 2 Violins and Cello in G Minor, RV 578: IV. Allegro
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 12 for Solo Violin in E Major, RV 265: I. Allegro
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by artist: Antonio Vivaldi
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by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
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genre: classical
genre: early-music
genre: baroque
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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: 2026-07-30T02:05:19Z
audio: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 12 for Solo Violin in E Major, RV 265: I. Allegro
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 3 for Solo Violin in G Major, RV 310: I. Allegro
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by artist: Academy of St. Martin in the Fields
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T09:37:10Z
audio: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 3 for Solo Violin in G Major, RV 310: I. Allegro
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 12 for Solo Violin in E Major, RV 265: II. Largo
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genre: classical
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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: 2026-07-31T13:06:57Z
audio: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 12 for Solo Violin in E Major, RV 265: II. Largo
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 3 for Solo Violin in G Major, RV 310: II. Largo
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 3 for Solo Violin in G Major, RV 310: II. Largo
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 12 for Solo Violin in E Major, RV 265: III. Allegro
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 12 for Solo Violin in E Major, RV 265: III. Allegro
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 3 for Solo Violin in G Major, RV 310: III. Allegro
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duration: PT2M16S
duration ms: 136360
explicit: false
by artist: Antonio Vivaldi
by artist: Iona Brown
by artist: Christopher Hogwood
by artist: Colin Tilney
by artist: Robert Spencer
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Vivaldi: L'Estro Armonico; 4 Concertos
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
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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
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077240610
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 3 for Solo Violin in G Major, RV 310: III. Allegro
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Oboe Concerto in F Major, RV 456
type: MusicRecording
duration: PT7M41S
duration ms: 461866
explicit: false
by artist: Antonio Vivaldi
by artist: Neil Black
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Vivaldi: L'Estro Armonico; 4 Concertos
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: GBF077710420
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/GBF077710420
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2e20a48887a06d1b0973e983ea7f2cc1ea5b2100eca62ce7f41c2176322c91c. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077710420.
  date published: 2026-07-02T03:55:08Z
audio: Oboe Concerto in F Major, RV 456
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Danceability
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 4 in E Minor for 4 Violins, RV 550: 1. Andante
type: MusicRecording
duration: PT1M54S
duration ms: 114173
explicit: false
by artist: Antonio Vivaldi
by artist: Iona Brown
by artist: Roy Gillard
by artist: Carmel Kaine
by artist: Christopher Hogwood
by artist: Colin Tilney
by artist: Robert Spencer
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Vivaldi: L'Estro Armonico; 4 Concertos
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: GBF077240611
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/GBF077240611
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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  date published: 2026-07-08T03:20:19Z
audio: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 4 in E Minor for 4 Violins, RV 550: 1. Andante
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  additional property: Danceability
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  additional property: Valence (Positivity)
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Bassoon Concerto in A Minor, RV 498
type: MusicRecording
duration: PT11M36S
duration ms: 696573
explicit: false
by artist: Antonio Vivaldi
by artist: Martin Gatt
by artist: Kenneth Heath
by artist: Christopher Hogwood
by artist: Colin Tilney
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Vivaldi: L'Estro Armonico; 4 Concertos
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: GBF077710430
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
  type: PropertyValue
  value: 960218
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960218
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077710430
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T06:57:05Z
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 0x08ea6b57ac916d7565196bccaafd4868871f275b81dacd9b259c1e249566f4aa. Chain 2 (Bitcoin): anchored in block 960218 (2026-07-30T06:57:05Z), 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/GBF077710430.
  date published: 2026-07-30T06:57:05Z
audio: Bassoon Concerto in A Minor, RV 498
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 4 in E Minor for 4 Violins, RV 550: 2. Allegro assai
type: MusicRecording
duration: PT3M1S
duration ms: 181400
explicit: false
by artist: Antonio Vivaldi
by artist: Iona Brown
by artist: Carmel Kaine
by artist: Roy Gillard
by artist: Christopher Hogwood
by artist: Colin Tilney
by artist: Robert Spencer
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Vivaldi: L'Estro Armonico; 4 Concertos
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: GBF077240612
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:25:53+00:00
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/GBF077240612
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 0x8e43b662a5f8757cf1c89bd222ba6e25c7d046f236a1928ebbe6d16c9629f8f4. 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/GBF077240612.
  date published: 2026-07-08T03:20:19Z
audio: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 4 in E Minor for 4 Violins, RV 550: 2. Allegro assai
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  additional property: Mode (Major/Minor)
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Flute Concerto in C Minor, RV 441
type: MusicRecording
duration: PT10M21S
duration ms: 621240
explicit: false
by artist: Antonio Vivaldi
by artist: William Bennett
by artist: Christopher Hogwood
by artist: Colin Tilney
by artist: Kenneth Heath
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Vivaldi: L'Estro Armonico; 4 Concertos
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: GBF077710440
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/960362
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077710440
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:58:00Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fcfaa3e755e085d4061a6097899cca6088eb021fc4e427c2ca32d6ccdad9f55. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077710440.
  date published: 2026-07-31T06:58:00Z
audio: Flute Concerto in C Minor, RV 441
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 4 in E Minor for 4 Violins, RV 550: 3. Adagio - Allegro
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by artist: Academy of St. Martin in the Fields
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  date published: 2026-07-31T00:26:26Z
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Concerto in F Major for 2 Oboes, Bassoon, 2 Horns and Violin, RV 574
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by artist: Colin Tilney
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by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
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  date published: 2026-07-31T02:19:15Z
audio: Concerto in F Major for 2 Oboes, Bassoon, 2 Horns and Violin, RV 574
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 5 in A Major for 2 Violins, RV 519: 1. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 5 in A Major for 2 Violins, RV 519: 2. Largo
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  date published: 2026-07-30T18:46:00Z
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 5 in A Major for 2 Violins, RV 519: 3. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 6 for Solo Violin in A Minor, RV 356: I. Allegro
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  date published: 2026-07-08T03:20:19Z
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 6 for Solo Violin in A Minor, RV 356: II. Largo
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by artist: Academy of St. Martin in the Fields
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 6 for Solo Violin in A Minor, RV 356: III. Presto
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audio: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 6 for Solo Violin in A Minor, RV 356: III. Presto
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 7 in F Major for 4 Violins, RV 567: 1. Andante
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by artist: Christopher Hogwood
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by artist: Academy of St. Martin in the Fields
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T18:46:00Z
audio: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 7 in F Major for 4 Violins, RV 567: 1. Andante
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 7 in F Major for 4 Violins, RV 567: 2. Adagio - Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T15:42:38Z
audio: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 7 in F Major for 4 Violins, RV 567: 2. Adagio - Allegro
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 7 in F Major for 4 Violins, RV 567: 3. Adagio - Allegro
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  date published: 2026-07-31T02:51:48Z
audio: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 7 in F Major for 4 Violins, RV 567: 3. Adagio - Allegro
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 8 for 2 Violins in A Minor, RV 522: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 8 for 2 Violins in A Minor, RV 522: II. Larghetto e spirituoso
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960266
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077240624
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:44:50Z
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 0xa20186ac00fadead15c3b9b25d2b6bebc7e1a9bda1846008d6e21f8279b7200c. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/GBF077240624.
  date published: 2026-07-30T14:44:50Z
audio: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 8 for 2 Violins in A Minor, RV 522: II. Larghetto e spirituoso
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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12 Concertos, Op. 3 "L'estro armonico", Concerto No. 8 for 2 Violins in A Minor, RV 522: III. Allegro
type: MusicRecording
duration: PT3M27S
duration ms: 207506
explicit: false
by artist: Antonio Vivaldi
by artist: Iona Brown
by artist: Carmel Kaine
by artist: Christopher Hogwood
by artist: Colin Tilney
by artist: Robert Spencer
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Vivaldi: L'Estro Armonico; 4 Concertos
  type: MusicAlbum
  date published: 1994-01-01
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: 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/GBF077240625
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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  date published: 2026-07-08T03:20:19Z
audio: 12 Concertos, Op. 3 "L'estro armonico", Concerto No. 8 for 2 Violins in A Minor, RV 522: III. Allegro
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  additional property: Valence (Positivity)
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 9 in D Major for Violin, RV 230: 1. Allegro
type: MusicRecording
duration: PT2M4S
duration ms: 124133
explicit: false
by artist: Antonio Vivaldi
by artist: Alan Loveday
by artist: Christopher Hogwood
by artist: Colin Tilney
by artist: Robert Spencer
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Vivaldi: L'Estro Armonico; 4 Concertos
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: GBF077240626
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
  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/GBF077240626
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 0xd37262fd25a0db29f88045449dbd92d8460d0bb506db05182af8fdfd22ee2349. 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/GBF077240626.
  date published: 2026-07-08T03:20:19Z
audio: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 9 in D Major for Violin, RV 230: 1. Allegro
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  additional property: Valence (Positivity)
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 9 in D Major for Violin, RV 230: 2. Larghetto
type: MusicRecording
duration: PT3M30S
duration ms: 210106
explicit: false
by artist: Antonio Vivaldi
by artist: Alan Loveday
by artist: Christopher Hogwood
by artist: Colin Tilney
by artist: Robert Spencer
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Vivaldi: L'Estro Armonico; 4 Concertos
  type: MusicAlbum
  date published: 1994-01-01
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: 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/GBF077240627
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T15:42:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce8d41c631514eef94b49e9ed2587a89ec3058fd79b2302d974536b4e889db80. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077240627.
  date published: 2026-07-30T15:42:38Z
audio: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 9 in D Major for Violin, RV 230: 2. Larghetto
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12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 9 in D Major for Violin, RV 230: 3. Allegro
type: MusicRecording
duration: PT1M59S
duration ms: 119493
explicit: false
by artist: Antonio Vivaldi
by artist: Alan Loveday
by artist: Christopher Hogwood
by artist: Colin Tilney
by artist: Robert Spencer
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Vivaldi: L'Estro Armonico; 4 Concertos
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: GBF077240628
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/GBF077240628
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T21:00:46Z
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 0x98ca734e10bc4ab069bee49904c9cff354f5db2568dc640bbe99fdab2c7addb3. Chain 2 (Bitcoin): anchored in block 960314 (2026-07-30T21:00:46Z), 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/GBF077240628.
  date published: 2026-07-30T21:00:46Z
audio: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 9 in D Major for Violin, RV 230: 3. Allegro
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Vivaldi: The Four Seasons etc
type: MusicAlbum
date published: 2000-01-01
track: Violin Concerto in E Major, Op. 8, No. 1, RV 269 "La primavera": 1. Allegro
  type: MusicRecording
  duration: PT3M12S
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  by artist: Antonio Vivaldi
  by artist: Alan Loveday
  by artist: Academy of St. Martin in the Fields
  by artist: Sir Neville Marriner
  in album: Vivaldi: The Four Seasons etc
    type: MusicAlbum
    date published: 2000-01-01
  popularity: 14
  genre: classical
  genre: early-music
  genre: baroque
  genre: concerto
  isrc code: GBF077030201
  additional property: CopyrightID
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  additional property: CopyrightRegisteredAt
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    value: 2026-06-18T17:47:42+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xd004a2c14abba401f24ac17daadf7d9ab6972e027c2b8a2e8729f070a62f5a69
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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/GBF077030201
  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 0xd004a2c14abba401f24ac17daadf7d9ab6972e027c2b8a2e8729f070a62f5a69. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077030201.
    date published: 2026-07-02T03:30:09Z
  audio: Violin Concerto in E Major, Op. 8, No. 1, RV 269 "La primavera": 1. Allegro
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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track: Violin Concerto in E Major, Op. 8, No. 1, RV 269 "La primavera": 2. Largo
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  by artist: Antonio Vivaldi
  by artist: Alan Loveday
  by artist: Academy of St. Martin in the Fields
  by artist: Sir Neville Marriner
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    type: MusicAlbum
    date published: 2000-01-01
  popularity: 6
  genre: classical
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  genre: baroque
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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
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track: Violin Concerto in G Minor, Op. 8, No. 2, RV 315 "L'estate": 1. Allegro non molto - Allegro
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track: Violin Concerto in F Minor, Op. 8, No. 4, RV 297 "L'inverno": 1. Allegro non molto
track: Violin Concerto in F Minor, Op. 8, No. 4, RV 297 "L'inverno": 2. Largo
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track: Concerto in D Minor for 2 Oboes, Strings & Continuo, RV 535 - Ed. Hogwood: 1. Largo - Allegro
track: Concerto in D Minor for 2 Oboes, Strings & Continuo, RV 535 - Ed. Hogwood: 2. Largo
track: Concerto in D Minor for 2 Oboes, Strings & Continuo, RV 535 - Ed. Hogwood: 3. Allegro molto
track: Bassoon Concerto in A Minor, RV 498 - Ed. Christopher Hogwood: 1. Allegro (ma molto moderato)
track: Bassoon Concerto in A Minor, RV 498 - Ed.Christopher Hogwood: 2. Larghetto

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Violin Concerto in F Minor, Op. 8, No. 4, RV 297 "L'inverno": 1. Allegro non molto
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Violin Concerto in F Minor, Op. 8, No. 4, RV 297 "L'inverno": 2. Largo
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Violin Concerto in F Minor, Op. 8, No. 4, RV 297 "L'inverno": 3. Allegro
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Concerto in D Minor for 2 Oboes, Strings & Continuo, RV 535 - Ed. Hogwood: 1. Largo - Allegro
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Concerto in D Minor for 2 Oboes, Strings & Continuo, RV 535 - Ed. Hogwood: 2. Largo
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Bassoon Concerto in A Minor, RV 498 - Ed. Christopher Hogwood: 1. Allegro (ma molto moderato)
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Bassoon Concerto in A Minor, RV 498 - Ed.Christopher Hogwood: 2. Larghetto
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