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genre: classical
popularity: 14
followers: 62
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subject of: OpenTimestamps Proof of Existence
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album: Couperin: Les Nations; Pieces de Violes
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  date published: 2019-09-13
album: Purcell: Ten Sonatas on Four Parts Z. 802-811, Harpsichord Suites Nos. 5 & 6, Trio Sonata in G Minor, Z. 780 (2023 Remastered Edition)
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  date published: 1977-05-03
album: Couperin, François: Les Nations
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  date published: 1962-01-01
album: Bach: Violin and Clavier Sonatas, BWV 1019, 1018 & 1015 (Mono Version)
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album: Bach: Violin and Clavier Sonatas BWV 1014, 1017 & 1016 (Mono Version)
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album: Bach: Orchestral Suites Nos. 1 & 2 (Mono Version)
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album: Bach: 6 Sonatas For Violin and Harpsichord, BWV 1014 - 1019 (Stereo Version)
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album: Bach Bedtime Music
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-02T03:30:09Z
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-07T18:39:05Z
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  track: J.S. Bach: Concerto in D Minor, BWV 974: II. Adagio (Arr. for Cello and Piano by Mischa Maisky)
  track: J.S. Bach: Herz und Mund und Tat und Leben, Cantata BWV 147: No. 10 Jesu, Joy of Man's Desiring (Arr. by Guillermo Figueroa)
  track: J.S. Bach: Arioso (Adagio in G) from Cantata BWV 156 (Arr. by Lloyd Webber)
  track: J.S. Bach: Cello Suite No. 1 in G Major, BWV 1007: I. Prélude
  track: J.S. Bach: Was mir behagt, ist nur die muntre Jagd, Cantata BWV 208: 9. Sheep May Safely Graze
  track: J.S. Bach: Christmas Oratorio, BWV 248 / Part Two - For the second Day of Christmas: No. 10 Sinfonia
  track: J.S. Bach: Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio
  track: J.S. Bach: Viola da gamba Sonata in G Major, BWV 1027: I. Adagio - Performed on Cello & Piano
  track: J.S. Bach: Kommt, eilet und laufet (Easter Oratorio), BWV 249: Adagio
  track: J.S. Bach: Goldberg Variations, BWV 988: Var. 21 Canone alla Settima (Arranged for Harp by Catrin Finch)
  track: J.S. Bach: Concerto for Harpsichord & Strings, BWV 1056 - Arr. as Violin Concerto: 2. Largo
album: Bach, J.S.: The Brandenburg Concertos etc
album: Bach, J.S.: Brandenburg Concertos / Orchestral Suites / Violin Concertos
album: Tchaikovsky: Complete Symphonies; 1812 Overture, March Slave; Romeo and Juliet Concert Overture; Nutcracker Suite
album: Bach, J.S.: The Complete Orchestral Works
album: Ultimate Classic Relaxation
album: L'Arte Della Musica Classica - Capolavori E Maestri
album: Ultimate Bach
album: Hallelujah
album: Little Big Box :: Bach Orchestral Music
album: Edmund Rubbra Violin Concerto & John Ireland Piano Concerto
album: The Orchestral Works of J.S. Bach: Brandenburg Concerto no. 1 in F major - Brandenburg Concerto No. 2 in F major - Brandenburg Concerto No. 6 in B flat major (Remastered)
album: Broken Hearts
album: Purcell: Twelve Sonatas in Three Parts, Z. 790-801
album: Beautiful Bach
album: Cantabile - Baroque Masterpieces
album: 10 Great Composers: Baroque Masters

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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
audio: J.S. Bach: Goldberg Variations, BWV 988: Aria
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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  date published: 2026-07-07T11:43:09Z
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    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

J.S. Bach: Arioso (Adagio in G) from Cantata BWV 156 (Arr. by Lloyd Webber)
type: MusicRecording
duration: PT2M53S
duration ms: 173786
explicit: false
by artist: Johann Sebastian Bach
by artist: Julian Lloyd Webber
by artist: John Lenehan
in album: Bach Bedtime Music
  type: MusicAlbum
  date published: 2020-02-12
genre: classical
genre: classical-piano
isrc code: NLA509107702
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T07:54:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb1807afa7f60977afb3d3beb3f75b925b692a8e5f7889789ba6803493b0cf951
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509107702
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1807afa7f60977afb3d3beb3f75b925b692a8e5f7889789ba6803493b0cf951. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509107702.
  date published: 2026-06-13T12:47:07Z
audio: J.S. Bach: Arioso (Adagio in G) from Cantata BWV 156 (Arr. by Lloyd Webber)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 88.812
  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
    value: 0.157
  additional property: Energy
    type: PropertyValue
    value: 0.013
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.793
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.051
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.108
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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J.S. Bach: Cello Suite No. 1 in G Major, BWV 1007: I. Prélude
type: MusicRecording
duration: PT2M49S
duration ms: 169946
explicit: false
by artist: Johann Sebastian Bach
by artist: Pierre Fournier
in album: Bach Bedtime Music
  type: MusicAlbum
  date published: 2020-02-12
genre: classical
genre: classical-piano
isrc code: DEF056001321
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T22:23:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb5738748d4e6d46c306e7a44b03e3a8e25d446a9720ff3617e5020d3a0ae3f77
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/DEF056001321
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5738748d4e6d46c306e7a44b03e3a8e25d446a9720ff3617e5020d3a0ae3f77. 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/DEF056001321.
  date published: 2026-07-08T03:20:19Z
audio: J.S. Bach: Cello Suite No. 1 in G Major, BWV 1007: I. Prélude
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.644
  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: 0.207
  additional property: Energy
    type: PropertyValue
    value: 0.12
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.928
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.352
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.334
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
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J.S. Bach: Was mir behagt, ist nur die muntre Jagd, Cantata BWV 208: 9. Sheep May Safely Graze
type: MusicRecording
duration: PT4M26S
duration ms: 266853
explicit: false
by artist: Johann Sebastian Bach
by artist: Stuttgart Chamber Orchestra
by artist: Karl Münchinger
in album: Bach Bedtime Music
  type: MusicAlbum
  date published: 2020-02-12
genre: classical
genre: classical-piano
isrc code: GBF077710390
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T22:35:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7dcf2d255506c577422ff5f39102373877c04c5575fa00389a3390b902dff47a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077710390
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dcf2d255506c577422ff5f39102373877c04c5575fa00389a3390b902dff47a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077710390.
  date published: 2026-07-08T03:53:27Z
audio: J.S. Bach: Was mir behagt, ist nur die muntre Jagd, Cantata BWV 208: 9. Sheep May Safely Graze
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.048
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.237
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.803
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.983
  additional property: Liveness
    type: PropertyValue
    value: 0.322
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.278
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.288
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
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J.S. Bach: Christmas Oratorio, BWV 248 / Part Two - For the second Day of Christmas: No. 10 Sinfonia
type: MusicRecording
duration: PT2M22S
duration ms: 142026
explicit: false
by artist: Johann Sebastian Bach
by artist: Academy of St Martin in the Fields Chorus
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Bach Bedtime Music
  type: MusicAlbum
  date published: 2020-02-12
genre: classical
genre: classical-piano
isrc code: NLA509315205
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T21:11:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd480deaeab3383b4ad38934cdc9bc2e523cd0bc9ab8427ee96e4dd3aa7780bee
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/NLA509315205
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd480deaeab3383b4ad38934cdc9bc2e523cd0bc9ab8427ee96e4dd3aa7780bee. 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/NLA509315205.
  date published: 2026-07-08T03:20:19Z
audio: J.S. Bach: Christmas Oratorio, BWV 248 / Part Two - For the second Day of Christmas: No. 10 Sinfonia
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.722
  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: 0.212
  additional property: Energy
    type: PropertyValue
    value: 0.037
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.938
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.942
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.069
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.922
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

J.S. Bach: Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio
type: MusicRecording
duration: PT4M4S
duration ms: 244546
explicit: false
by artist: Johann Sebastian Bach
by artist: Carl Pini
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Bach Bedtime Music
  type: MusicAlbum
  date published: 2020-02-12
genre: classical
genre: classical-piano
isrc code: NLA507921502
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T17:12:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa6651330cdd8d916879135626765a80b0aae08331dd92aa287a15236a8436658
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/NLA507921502
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6651330cdd8d916879135626765a80b0aae08331dd92aa287a15236a8436658. 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/NLA507921502.
  date published: 2026-07-08T03:20:19Z
audio: J.S. Bach: Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.148
  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: 0.152
  additional property: Energy
    type: PropertyValue
    value: 0.151
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.847
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.538
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

J.S. Bach: Viola da gamba Sonata in G Major, BWV 1027: I. Adagio - Performed on Cello & Piano
type: MusicRecording
duration: PT4M4S
duration ms: 244426
explicit: false
by artist: Johann Sebastian Bach
by artist: Mischa Maisky
by artist: Martha Argerich
in album: Bach Bedtime Music
  type: MusicAlbum
  date published: 2020-02-12
genre: classical
genre: classical-piano
isrc code: DEF058500011
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T10:13:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe2cdacb0b244dc98a15378988b4f564ca9ce153b9072ccd5862c49401c4d4ef9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058500011
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2cdacb0b244dc98a15378988b4f564ca9ce153b9072ccd5862c49401c4d4ef9. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058500011.
  date published: 2026-07-08T03:53:27Z
audio: J.S. Bach: Viola da gamba Sonata in G Major, BWV 1027: I. Adagio - Performed on Cello & Piano
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.494
  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: 0.261
  additional property: Energy
    type: PropertyValue
    value: 0.075
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.219
  additional property: Liveness
    type: PropertyValue
    value: 0.143
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.248
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.454
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

J.S. Bach: Kommt, eilet und laufet (Easter Oratorio), BWV 249: Adagio
type: MusicRecording
duration: PT4M13S
duration ms: 253520
explicit: false
by artist: Johann Sebastian Bach
by artist: Heinz Holliger
by artist: Academy of St. Martin in the Fields
in album: Bach Bedtime Music
  type: MusicAlbum
  date published: 2020-02-12
genre: classical
genre: classical-piano
isrc code: NLA508205104
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T14:37:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x65265c65781bde4db3a6d530bd1a8b3e0e94f0857b6840aba3dbf2befec84ffa
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/NLA508205104
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65265c65781bde4db3a6d530bd1a8b3e0e94f0857b6840aba3dbf2befec84ffa. 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/NLA508205104.
  date published: 2026-07-07T18:39:05Z
audio: J.S. Bach: Kommt, eilet und laufet (Easter Oratorio), BWV 249: Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 161.654
  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: 0.124
  additional property: Energy
    type: PropertyValue
    value: 0.156
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
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J.S. Bach: Goldberg Variations, BWV 988: Var. 21 Canone alla Settima (Arranged for Harp by Catrin Finch)
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  date published: 2026-07-08T03:53:27Z
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Bach, J.S.: The Brandenburg Concertos etc
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    date published: 2026-07-02T03:30:09Z
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track: Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro
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track: Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio
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  audio: Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio
track: Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affettuoso
track: Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro
track: Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro
track: Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuetto – Trio I – Polacca – Trio II
track: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: I. [Allegro]
track: Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro]
track: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
track: Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
track: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: III. Allegro
track: Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai
track: Concerto for 2 Violins in D Minor, BWV 1043: I. Vivace
track: Brandenburg Concerto No. 3 in G Major, BWV 1048: I. [Allegro]
track: Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto
track: Brandenburg Concerto No. 3 in G Major, BWV 1048: II. Adagio
track: Concerto for 2 Violins in D Minor, BWV 1043: III. Allegro
track: Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
track: Concerto for Violin and Oboe in C Minor, BWV 1060R: I. Allegro
track: Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro
track: Concerto for Violin and Oboe in C Minor, BWV 1060R: II. Adagio
track: Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante – III. Presto
track: Concerto for Violin and Oboe in C Minor, BWV 1060R: III. Allegro

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OpenTimestamps Proof of Existence
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date published: 2026-07-02T03:55:08Z

Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio
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Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affettuoso
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Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro
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genre: classical-piano
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro
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Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro
type: MusicRecording
duration: PT5M16S
duration ms: 316586
explicit: false
by artist: Johann Sebastian Bach
by artist: Henryk Szeryng
by artist: Jean-Pierre Rampal
by artist: George Malcolm
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Bach, J.S.: The Brandenburg Concertos etc
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genre: classical
genre: classical-piano
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9574ea10f3b0ea0c422d3db98db3b9634caa8118ce4257fd9bc21480fdeb2a4f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507921515.
  date published: 2026-07-02T05:09:12Z
audio: Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro
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Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuetto – Trio I – Polacca – Trio II
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duration: PT7M26S
duration ms: 446973
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by artist: Johann Sebastian Bach
by artist: Carl Pini
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Bach, J.S.: The Brandenburg Concertos etc
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genre: classical
genre: classical-piano
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuetto – Trio I – Polacca – Trio II
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: I. [Allegro]
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duration: PT6M30S
duration ms: 390360
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by artist: Johann Sebastian Bach
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Bach, J.S.: The Brandenburg Concertos etc
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genre: classical
genre: classical-piano
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9bd0b74a4f8a61088ae233462233bbe5f24fae0d4eea148eb8496e599283ed5. 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/NLA507921516.
  date published: 2026-07-02T03:55:08Z
audio: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: I. [Allegro]
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Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro]
type: MusicRecording
duration: PT5M7S
duration ms: 307333
explicit: false
by artist: Johann Sebastian Bach
by artist: Henryk Szeryng
by artist: Michala Petri
by artist: Heinz Holliger
by artist: André Bernard
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Bach, J.S.: The Brandenburg Concertos etc
  type: MusicAlbum
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genre: classical
genre: classical-piano
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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: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7f1a57c88cad8c9232fed134ddaf1379f4bb3f71eb21fc20a43b752910f0754. 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/NLA507921505.
  date published: 2026-06-13T13:32:09Z
audio: Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro]
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
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duration: PT4M9S
duration ms: 249013
explicit: false
by artist: Johann Sebastian Bach
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Bach, J.S.: The Brandenburg Concertos etc
  type: MusicAlbum
  date published: 2001-06-12
genre: classical
genre: classical-piano
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81d73e5dc60d91ac670eaf17750525a34d38d469aab7369acbc10bd8909311d8. 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/NLA507921517.
  date published: 2026-07-02T03:55:08Z
audio: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
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Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
type: MusicRecording
duration: PT3M35S
duration ms: 215653
explicit: false
by artist: Johann Sebastian Bach
by artist: Henryk Szeryng
by artist: Michala Petri
by artist: Heinz Holliger
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Bach, J.S.: The Brandenburg Concertos etc
  type: MusicAlbum
  date published: 2001-06-12
genre: classical
genre: classical-piano
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: III. Allegro
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by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: III. Allegro
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Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai
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duration: PT2M53S
duration ms: 173040
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by artist: Henryk Szeryng
by artist: Michala Petri
by artist: Heinz Holliger
by artist: André Bernard
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai
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Concerto for 2 Violins in D Minor, BWV 1043: I. Vivace
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by artist: Gidon Kremer
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: 2026-07-02T11:34:59Z
audio: Concerto for 2 Violins in D Minor, BWV 1043: I. Vivace
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Brandenburg Concerto No. 3 in G Major, BWV 1048: I. [Allegro]
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by artist: Sir Neville Marriner
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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: 2026-07-02T03:30:09Z
audio: Brandenburg Concerto No. 3 in G Major, BWV 1048: I. [Allegro]
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Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto
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by artist: Gidon Kremer
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: 2026-07-02T11:38:34Z
audio: Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto
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Brandenburg Concerto No. 3 in G Major, BWV 1048: II. Adagio
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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: 2026-07-02T03:55:08Z
audio: Brandenburg Concerto No. 3 in G Major, BWV 1048: II. Adagio
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Concerto for 2 Violins in D Minor, BWV 1043: III. Allegro
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by artist: Gidon Kremer
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: 2026-07-02T11:38:34Z
audio: Concerto for 2 Violins in D Minor, BWV 1043: III. Allegro
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Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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subject of: OpenTimestamps Proof of Existence
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audio: Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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Concerto for Violin and Oboe in C Minor, BWV 1060R: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Concerto for Violin and Oboe in C Minor, BWV 1060R: I. Allegro
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Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Concerto for Violin and Oboe in C Minor, BWV 1060R: II. Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Concerto for Violin and Oboe in C Minor, BWV 1060R: II. Adagio
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Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante – III. Presto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante – III. Presto
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Concerto for Violin and Oboe in C Minor, BWV 1060R: III. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Concerto for Violin and Oboe in C Minor, BWV 1060R: III. Allegro
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Bach, J.S.: Brandenburg Concertos / Orchestral Suites / Violin Concertos
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track: Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affettuoso
track: Orchestral Suite No. 3 in D Major, BWV 1068: 2. Air
track: Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro
track: Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro
track: Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuetto – Trio I – Polacca – Trio II
track: Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro]
track: Orchestral Suite No. 3 in D Major, BWV 1068: 5. Gigue
track: Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
track: Orchestral Suite No. 4 in D Major, BWV 1069: 1. Ouverture
track: Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai
track: Orchestral Suite No. 1 in C Major, BWV 1066: 4. Forlane
track: Brandenburg Concerto No. 3 in G Major, BWV 1048: I. [Allegro]
track: Brandenburg Concerto No. 3 in G Major, BWV 1048: II. Adagio
track: Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
track: Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro
track: Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto
track: Orchestral Suite No. 2 in B Minor, BWV 1067: 3. Sarabande
track: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: I. [Allegro]
track: Orchestral Suite No. 2 in B Minor, BWV 1067: 4. Bourrée I-II
track: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
track: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: III. Allegro
track: Orchestral Suite No. 2 in B Minor, BWV 1067: 6. Menuet
track: Orchestral Suite No. 2 in B Minor, BWV 1067: 7. Badinerie
track: Violin Concerto No. 1 in A Minor, BWV 1041: II. Andante

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Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affettuoso
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Orchestral Suite No. 3 in D Major, BWV 1068: 2. Air
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Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro
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Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuetto – Trio I – Polacca – Trio II
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuetto – Trio I – Polacca – Trio II
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Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro]
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro]
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Orchestral Suite No. 3 in D Major, BWV 1068: 5. Gigue
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Orchestral Suite No. 3 in D Major, BWV 1068: 5. Gigue
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Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:50:41Z
audio: Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
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Orchestral Suite No. 4 in D Major, BWV 1069: 1. Ouverture
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Orchestral Suite No. 4 in D Major, BWV 1069: 1. Ouverture
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Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai
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Orchestral Suite No. 1 in C Major, BWV 1066: 4. Forlane
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Orchestral Suite No. 1 in C Major, BWV 1066: 4. Forlane
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Brandenburg Concerto No. 3 in G Major, BWV 1048: I. [Allegro]
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duration: PT6M8S
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by artist: Johann Sebastian Bach
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
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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: Brandenburg Concerto No. 3 in G Major, BWV 1048: I. [Allegro]
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Brandenburg Concerto No. 3 in G Major, BWV 1048: II. Adagio
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by artist: Academy of St. Martin in the Fields
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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: Brandenburg Concerto No. 3 in G Major, BWV 1048: II. Adagio
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Brandenburg Concerto No. 3 in G Major, BWV 1048: III. 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: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro
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duration: PT7M26S
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by artist: Johann Sebastian Bach
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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: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro
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Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto
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duration: PT4M58S
duration ms: 298693
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by artist: Johann Sebastian Bach
by artist: Henryk Szeryng
by artist: Michala Petri
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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: 2026-07-06T07:53:57Z
audio: Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto
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Orchestral Suite No. 2 in B Minor, BWV 1067: 3. Sarabande
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Orchestral Suite No. 2 in B Minor, BWV 1067: 3. Sarabande
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: I. [Allegro]
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Orchestral Suite No. 2 in B Minor, BWV 1067: 4. Bourrée I-II
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Orchestral Suite No. 2 in B Minor, BWV 1067: 4. Bourrée I-II
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: III. Allegro
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: III. Allegro
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Orchestral Suite No. 2 in B Minor, BWV 1067: 6. Menuet
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Orchestral Suite No. 2 in B Minor, BWV 1067: 6. Menuet
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Orchestral Suite No. 2 in B Minor, BWV 1067: 7. Badinerie
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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: Orchestral Suite No. 2 in B Minor, BWV 1067: 7. Badinerie
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Violin Concerto No. 1 in A Minor, BWV 1041: II. Andante
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Violin Concerto No. 1 in A Minor, BWV 1041: II. Andante
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Tchaikovsky: Complete Symphonies; 1812 Overture, March Slave; Romeo and Juliet Concert Overture; Nutcracker Suite
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
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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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track: Symphony No. 4 in F Minor, Op. 36, TH 27: II. Andantino in modo di canzona
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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
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track: Symphony No. 2 in C Minor, Op. 17, TH 25 "Little Russian": II. Andantino marziale, quasi moderato
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  subject of: OpenTimestamps Proof of Existence
  audio: Symphony No. 2 in C Minor, Op. 17, TH 25 "Little Russian": II. Andantino marziale, quasi moderato
track: Symphony No. 5 in E Minor, Op. 64, TH 29: III. Valse. Allegro moderato
track: Symphony No. 2 in C Minor, Op. 17, TH 25 "Little Russian": III. Scherzo and Trio. Allegro molto vivace
track: The Nutcracker Suite, Op. 71a, TH 35: IIa. Danses caractéristiques. Marche
track: The Nutcracker Suite, Op. 71a, TH 35: IIb. Danses caractéristiques. Danse de la fée dragée
track: The Nutcracker Suite, Op. 71a, TH 35: IIc. Danses caractéristiques. Danse russe "Trépak"
track: The Nutcracker Suite, Op. 71a, TH 35: IId. Danses caractéristiques. Danse arabe
track: The Nutcracker Suite, Op. 71a, TH 35: IIe. Danses caractéristiques. Danse chinoise
track: The Nutcracker Suite, Op. 71a, TH 35: IIf. Danses caractéristiques. Danse des mirlitons

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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
type: DigitalDocument
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9796e3aa179c92be305dc9e192562a8a3f03c82ef148e405c0f0c23ec12e4ad. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10211852.
date published: 2026-07-08T03:53:27Z

Symphony No. 2 in C Minor, Op. 17, TH 25 "Little Russian": II. Andantino marziale, quasi moderato
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Symphony No. 5 in E Minor, Op. 64, TH 29: III. Valse. Allegro moderato
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duration: PT6M13S
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by artist: Pyotr Ilyich Tchaikovsky
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by artist: Chicago Symphony Orchestra
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Symphony No. 5 in E Minor, Op. 64, TH 29: III. Valse. Allegro moderato
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Symphony No. 2 in C Minor, Op. 17, TH 25 "Little Russian": III. Scherzo and Trio. Allegro molto vivace
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by artist: Chicago Symphony Orchestra
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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The Nutcracker Suite, Op. 71a, TH 35: IIa. Danses caractéristiques. Marche
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by artist: Chicago Symphony Orchestra
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additional property: CopyrightID
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: The Nutcracker Suite, Op. 71a, TH 35: IIa. Danses caractéristiques. Marche
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The Nutcracker Suite, Op. 71a, TH 35: IIb. Danses caractéristiques. Danse de la fée dragée
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The Nutcracker Suite, Op. 71a, TH 35: IIc. Danses caractéristiques. Danse russe "Trépak"
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The Nutcracker Suite, Op. 71a, TH 35: IId. Danses caractéristiques. Danse arabe
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The Nutcracker Suite, Op. 71a, TH 35: IIe. Danses caractéristiques. Danse chinoise
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The Nutcracker Suite, Op. 71a, TH 35: IIf. Danses caractéristiques. Danse des mirlitons
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Bach, J.S.: The Complete Orchestral Works
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Ultimate Classic Relaxation
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L'Arte Della Musica Classica - Capolavori E Maestri
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Ultimate Bach
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Hallelujah
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Little Big Box :: Bach Orchestral Music
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Edmund Rubbra Violin Concerto & John Ireland Piano Concerto
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Musical Offering, BWV 1079 - Ed. Marriner: Canones diversi: Canon 4 a 2 per Augmentationem, contrario Motu
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track: Les Nations - Troisième Ordre - "L'Impériale": Gigue
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OpenTimestamps Proof of Existence
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Hornpipe in E Minor, Z.T685
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L'Orfeo - Prologo: Toccata
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Flute Sonata in B Minor, HWV 376 "Halle No. 3": III. Largo
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L'Apothéose de Lully: XIIIc. Rondement
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Trio Sonata for Flute, Violin and Continuo in G minor, Op. 2, No. 2, HWV 387: 2. Allegro
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Trio Sonata in G minor for 2 Violins and Continuo, Op. 1/1 , RV 7 3: 4. Capriccio (Allegro)
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Trio Sonata in G minor for 2 Violins and Continuo, Op. 1/1 , RV 7 3: 5. Gavotte (Allegro)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Trio Sonata in G minor for 2 Violins and Continuo, Op. 1/1 , RV 7 3: 5. Gavotte (Allegro)
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Sonata in C, Op. 5, No. 9: 3. Adagio
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by artist: Michala Petri
by artist: George Malcolm
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genre: classical
genre: early-music
genre: baroque
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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: Sonata in C, Op. 5, No. 9: 3. Adagio
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Invention No. 4 in D Minor, BWV 775
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by artist: Janine Jansen
by artist: Maxim Rysanov
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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: Invention No. 4 in D Minor, BWV 775
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Trio Sonata for 2 Violins and Continuo in G, Op. 5, No. 4, HWV 399: 4. Gigue (Presto)
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by artist: George Frideric Handel
by artist: Malcolm Latchem
by artist: Kenneth Sillito
by artist: Alan Cuckston
by artist: Denis Vigay
by artist: Academy of St. Martin in the Fields Chamber Ensemble
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genre: classical
genre: early-music
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genre: english-baroque
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Trio Sonata for 2 Violins and Continuo in G, Op. 5, No. 4, HWV 399: 4. Gigue (Presto)
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Trio Sonata in A flat for 2 Violins and Continuo, Op. 1/9 , RV 75: 1. Preludio (Allegro)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Trio Sonata in A flat for 2 Violins and Continuo, Op. 1/9 , RV 75: 1. Preludio (Allegro)
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Musical Offering, BWV 1079: Canon a 2
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by artist: Ramin Bahrami
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Musical Offering, BWV 1079: Canon a 2
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Trio Sonata for 2 Violins and Continuo in D, Op. 5, No. 2, HWV 397: 1. Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Trio Sonata for 2 Violins and Continuo in D, Op. 5, No. 2, HWV 397: 1. Adagio
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Sonata in B minor, Op. 4, No. 12: 3. Giga (Allegro)
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Sonata in B minor, Op. 4, No. 12: 3. Giga (Allegro)
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Sonata in G, Op. 1, No. 9: 3. Allegro
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duration: PT1M8S
duration ms: 68426
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by artist: Arcangelo Corelli
by artist: Monica Huggett
by artist: Alison Bury
by artist: Hopkinson Smith
by artist: Ton Koopman
by artist: Jaap Ter Linden
in album: 10 Great Composers: Baroque Masters
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genre: classical
genre: early-music
genre: baroque
genre: italian-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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Sonata in G, Op. 1, No. 9: 3. Allegro
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12 Violin Sonatas, Op. 5 / Sonata No. 3 in C Major: 4. Allegro
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by artist: Arthur Grumiaux
by artist: Riccardo Castagnone
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: 12 Violin Sonatas, Op. 5 / Sonata No. 3 in C Major: 4. Allegro
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12 Violin Sonatas, Op. 5 / Sonata No. 11 in E Major: 1. Preludio. Adagio
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by artist: Arthur Grumiaux
by artist: Riccardo Castagnone
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genre: classical
genre: early-music
genre: baroque
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: 12 Violin Sonatas, Op. 5 / Sonata No. 11 in E Major: 1. Preludio. Adagio
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Partita No. 6 in E flat major, TWV 51:es1: 2. Aria 1 (Presto)
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by artist: Michala Petri
by artist: George Malcolm
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Partita No. 6 in E flat major, TWV 51:es1: 2. Aria 1 (Presto)
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Sonata in A Major, Op. 6 No. 11: III. Adagio
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by artist: The Locatelli Trio
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Flute Sonata in B Minor, Op. 1 No. 9b, HWV 367b: V. Adagio
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by artist: Richard Tunnicliffe
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genre: classical
genre: early-music
genre: baroque
genre: english-baroque
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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