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  track: Concerto No. 2 in F Major, BWV 1047: I. —
  track: Concerto No. 3 in G Major, BWV 1048: I. —
  track: Concerto No. 4 in G Major, BWV 1049: II. Andante
  track: Concerto No. 4 in G Major, BWV 1049: III. Presto
  track: Concerto No. 5 in D Major, BWV 1050: I. Allegro
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  track: Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
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  track: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
  track: Violin Concerto in E Major, BWV 1042: I. Allegro
  track: Violin Concerto in D Minor, BWV 1052: I. — (Reconstructed from the Harpsichord Concerto, BWV 1052)
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Concerto for 2 Traversos, Strings and Continuo in C Major, RV 533: II. Largo
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Concerto for 2 Traversos, Strings and Continuo in C Major, RV 533: III. Allegro
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Concerto for 2 Traversos, Strings and Continuo in C Major, RV 533: I. Allegro molto
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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

Acousticness
type: PropertyValue
value: 0.985

Instrumentalness
type: PropertyValue
value: 0.901

Liveness
type: PropertyValue
value: 0.254

Valence (Positivity)
type: PropertyValue
value: 0.253

Loudness (dB)
type: PropertyValue
value: -22.262

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Major

Concerto No. 2 in F Major, BWV 1047: I. —
type: MusicRecording
duration: PT4M48S
duration ms: 288000
explicit: false
by artist: Johann Sebastian Bach
by artist: Musica Amphion
by artist: Pieter-Jan Belder
in album: J.S. Bach: Complete Edition, Vol. 1/10
  type: MusicAlbum
  date published: 2014-12-05
genre: classical
genre: classical-piano
isrc code: NLY331406780
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T01:28:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x661015e9f15d59f11f41af69961d2b1db2b37251e91473646f3b40cb891af1e1
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/NLY331406780
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 0x661015e9f15d59f11f41af69961d2b1db2b37251e91473646f3b40cb891af1e1. 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/NLY331406780.
  date published: 2026-07-08T03:53:27Z
audio: Concerto No. 2 in F Major, BWV 1047: I. —
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.35
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.587
  additional property: Energy
    type: PropertyValue
    value: 0.346
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.927
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.772
  additional property: Liveness
    type: PropertyValue
    value: 0.232
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.79
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.669
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Concerto No. 3 in G Major, BWV 1048: I. —
type: MusicRecording
duration: PT5M19S
duration ms: 319160
explicit: false
by artist: Johann Sebastian Bach
by artist: Musica Amphion
by artist: Pieter-Jan Belder
in album: J.S. Bach: Complete Edition, Vol. 1/10
  type: MusicAlbum
  date published: 2014-12-05
genre: classical
genre: classical-piano
isrc code: NLY331406783
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T22:31:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdb76c70d8e06bb52c1da88936859cb2a094a76aa9a4f4f8e9285d09d519fcacb
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/NLY331406783
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 0xdb76c70d8e06bb52c1da88936859cb2a094a76aa9a4f4f8e9285d09d519fcacb. 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/NLY331406783.
  date published: 2026-07-08T03:53:27Z
audio: Concerto No. 3 in G Major, BWV 1048: I. —
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.276
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.559
  additional property: Energy
    type: PropertyValue
    value: 0.376
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.872
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.417
  additional property: Liveness
    type: PropertyValue
    value: 0.179
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.891
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.389
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto No. 4 in G Major, BWV 1049: II. Andante
type: MusicRecording
duration: PT3M30S
duration ms: 210840
explicit: false
by artist: Johann Sebastian Bach
by artist: Musica Amphion
by artist: Pieter-Jan Belder
in album: J.S. Bach: Complete Edition, Vol. 1/10
  type: MusicAlbum
  date published: 2014-12-05
genre: classical
genre: classical-piano
isrc code: NLY331406787
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T08:00:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1669d4b4489339b428dc0b4287a5815b857abfa076a3cf0d98758678d0530382
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/NLY331406787
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 0x1669d4b4489339b428dc0b4287a5815b857abfa076a3cf0d98758678d0530382. 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/NLY331406787.
  date published: 2026-07-08T03:53:27Z
audio: Concerto No. 4 in G Major, BWV 1049: II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.488
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.102
  additional property: Energy
    type: PropertyValue
    value: 0.131
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.943
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.227
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.096
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.077
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Concerto No. 4 in G Major, BWV 1049: III. Presto
type: MusicRecording
duration: PT4M34S
duration ms: 274680
explicit: false
by artist: Johann Sebastian Bach
by artist: Musica Amphion
by artist: Pieter-Jan Belder
in album: J.S. Bach: Complete Edition, Vol. 1/10
  type: MusicAlbum
  date published: 2014-12-05
genre: classical
genre: classical-piano
isrc code: NLY331406788
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:26:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb8cd8835bbd331a2d34af7f2ae86eb9d16bfe7392c1efdf2d6cc8a67709d2df5
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/NLY331406788
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 0xb8cd8835bbd331a2d34af7f2ae86eb9d16bfe7392c1efdf2d6cc8a67709d2df5. 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/NLY331406788.
  date published: 2026-07-08T03:53:27Z
audio: Concerto No. 4 in G Major, BWV 1049: III. Presto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.141
  additional property: Musical Key
    type: PropertyValue
    value: 6
  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: 0.317
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.92
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.158
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.597
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.117
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto No. 5 in D Major, BWV 1050: I. Allegro
type: MusicRecording
duration: PT9M47S
duration ms: 587360
explicit: false
by artist: Johann Sebastian Bach
by artist: Musica Amphion
by artist: Pieter-Jan Belder
in album: J.S. Bach: Complete Edition, Vol. 1/10
  type: MusicAlbum
  date published: 2014-12-05
genre: classical
genre: classical-piano
isrc code: NLY331406789
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T06:04:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfda95878b49a8bd55b5a896ef9e4dc78c2f58b3c225b786d06b5d84db6179e93
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/NLY331406789
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 0xfda95878b49a8bd55b5a896ef9e4dc78c2f58b3c225b786d06b5d84db6179e93. 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/NLY331406789.
  date published: 2026-07-08T03:53:27Z
audio: Concerto No. 5 in D Major, BWV 1050: I. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.502
  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: 0.379
  additional property: Energy
    type: PropertyValue
    value: 0.271
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.851
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.15
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.652
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.05
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto No. 5 in D Major, BWV 1050: III. Allegro
type: MusicRecording
duration: PT5M11S
duration ms: 311720
explicit: false
by artist: Johann Sebastian Bach
by artist: Musica Amphion
by artist: Pieter-Jan Belder
in album: J.S. Bach: Complete Edition, Vol. 1/10
  type: MusicAlbum
  date published: 2014-12-05
genre: classical
genre: classical-piano
isrc code: NLY331406791
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T18:48:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3479b15131afb6c98bc61d9b8c97304bff15988eeff1a0990e2c2773f5d23a50
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957122
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957122
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331406791
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:39:04Z
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 0x3479b15131afb6c98bc61d9b8c97304bff15988eeff1a0990e2c2773f5d23a50. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331406791.
  date published: 2026-07-08T03:39:04Z
audio: Concerto No. 5 in D Major, BWV 1050: III. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.989
  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: 0.438
  additional property: Energy
    type: PropertyValue
    value: 0.248
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.839
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.075
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.676
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.918
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
type: MusicRecording
duration: PT4M42S
duration ms: 282680
explicit: false
by artist: Johann Sebastian Bach
by artist: Musica Amphion
by artist: Pieter-Jan Belder
in album: J.S. Bach: Complete Edition, Vol. 1/10
  type: MusicAlbum
  date published: 2014-12-05
genre: classical
genre: classical-piano
isrc code: NLY331406793
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T11:52:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf97218c363e524ea95b0c7c09af66ebd68ad95c3a5b32f7dcfdb440710d41492
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/NLY331406793
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 0xf97218c363e524ea95b0c7c09af66ebd68ad95c3a5b32f7dcfdb440710d41492. 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/NLY331406793.
  date published: 2026-07-08T03:53:27Z
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Orchestral Suite No. 1 in C Major, BWV 1066: I. Ouverture
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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: II. Rondeau
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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: II. Rondeau
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Orchestral Suite No. 2 in B Minor, BWV 1067: IV. Bourrée No. 1 - Bourrée No. 2
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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. 2 in B Minor, BWV 1067: IV. Bourrée No. 1 - Bourrée No. 2
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Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
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  date published: 2026-07-08T03:22:41Z
audio: Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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Violin Concerto in E Major, BWV 1042: I. Allegro
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  date published: 2026-07-08T03:22:41Z
audio: Violin Concerto in E Major, BWV 1042: I. Allegro
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Violin Concerto in D Minor, BWV 1052: I. — (Reconstructed from the Harpsichord Concerto, BWV 1052)
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subject of: OpenTimestamps Proof of Existence
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audio: Violin Concerto in D Minor, BWV 1052: I. — (Reconstructed from the Harpsichord Concerto, BWV 1052)
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Een Muzikale Anthologie Der Noordelijke Nederlanden
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A Musical Anthology of the Northern Netherlands
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W.F. Bach: Flute Sonatas and Trios
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Stamitz, Bach, Abel, Haydn & Abingdon: Chamber Music for two Flutes, Viola and Cello (Destination London - Music for the Earl of Abingdon)
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Wilhelm Friedemann Bach: Flute Sonatas
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Madame d'amours
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track: Le content est riche

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OpenTimestamps Proof of Existence
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date published: 2026-07-02T03:30:09Z

Ein seer guter Organistischer Preambel
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Le content est riche
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Vivaldi: Bizzarie Venetiane. Concerti per vari strumenti
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track: Concerto for 2 Traversos, Strings and Continuo in C Major, RV 533: II. Largo
track: Concerto for 2 Traversos, Strings and Continuo in C Major, RV 533: III. Allegro
track: Concerto for Violin, Organ, Strings and Continuo in D Minor, RV 541: II. Grave
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  subject of: OpenTimestamps Proof of Existence
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track: Concerto for Violin, Organ, Strings and Continuo in D Minor, RV 541: III. Allegro
track: Concerto for Traverso, 2 Violins, Violoncello and Continuo in G Minor, RV 107: I. Allegro
track: Concerto for Traverso, 2 Violins, Violoncello and Continuo in G Minor, RV 107: II. Largo
track: Concerto for Violin, Violoncello, Organ, Strings and Continuo in C Major, RV 554a: I. Allegro
track: Concerto for Violin, Violoncello, Organ, Strings and Continuo in C Major, RV 554a: II. Andante
track: Concerto for Recorder, Strings and Continuo in C Minor, RV 441: II. Largo
track: Concerto for Violin, Strings and Continuo in G Minor, RV 155: II. Allegro
track: Concerto for Violoncello, Strings and Continuo in G Minor, RV 417: I. Allegro
track: Concerto for Traverso, Strings and Continuo in D Major, RV 783: I. Allegro
track: Concerto for Traverso, Organ, Strings and Continuo in F Major, RV 767: II. Larghetto
track: Concerto for Traverso, Strings and Continuo in D Major, RV 783: III. Allegro
track: Concerto for Violin, Organ, Strings and Continuo in F Major, RV 542: I. Allegro
track: Concerto for 2 Traversos, Strings and Continuo in C Major, RV 533: I. Allegro molto

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

Concerto for Violin, Organ, Strings and Continuo in D Minor, RV 541: II. Grave
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Concerto for Violin, Organ, Strings and Continuo in D Minor, RV 541: III. Allegro
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by artist: Manfred Kraemer
by artist: Marcelo Bussi
by artist: Musica ad Rhenum
by artist: Jed Wentz
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Concerto for Violin, Organ, Strings and Continuo in D Minor, RV 541: III. Allegro
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Concerto for Traverso, 2 Violins, Violoncello and Continuo in G Minor, RV 107: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Concerto for Traverso, 2 Violins, Violoncello and Continuo in G Minor, RV 107: I. Allegro
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Concerto for Traverso, 2 Violins, Violoncello and Continuo in G Minor, RV 107: II. Largo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Concerto for Traverso, 2 Violins, Violoncello and Continuo in G Minor, RV 107: II. Largo
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Concerto for Violin, Violoncello, Organ, Strings and Continuo in C Major, RV 554a: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Concerto for Violin, Violoncello, Organ, Strings and Continuo in C Major, RV 554a: I. Allegro
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Concerto for Violin, Violoncello, Organ, Strings and Continuo in C Major, RV 554a: II. Andante
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by artist: Musica ad Rhenum
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Concerto for Violin, Violoncello, Organ, Strings and Continuo in C Major, RV 554a: II. Andante
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Concerto for Recorder, Strings and Continuo in C Minor, RV 441: II. Largo
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by artist: Musica ad Rhenum
by artist: Jed Wentz
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subject of: OpenTimestamps Proof of Existence
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Concerto for Violin, Strings and Continuo in G Minor, RV 155: II. Allegro
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Concerto for Violoncello, Strings and Continuo in G Minor, RV 417: I. Allegro
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Concerto for Traverso, Strings and Continuo in D Major, RV 783: I. Allegro
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Concerto for Traverso, Organ, Strings and Continuo in F Major, RV 767: II. Larghetto
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Concerto for Traverso, Strings and Continuo in D Major, RV 783: III. Allegro
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Bach Cantatas (Complete) Part: 32
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Bach Edition Vol. 15, Cantatas Vol. VIII Part: 4
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Vintage 1996 Music from Holland
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Bach Edition Vol. 14, Cantatas Vol. VII Part: 5
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