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genre: chamber music
genre: classical
description: Antoine Tamestit (born 1979) is a French violist. He premiered several contemporary compositions, including Jörg Widmann's Viola Concerto (2015). Tamestit plays the Stradivarius viola Gustav Mahler.
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  date published: 2015-01-01
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  track: Piano Quartet in E-Flat Major, Op. 47: IV. Finale. Vivace
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
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    date published: 2026-07-02T03:55:08Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T05:09:12Z
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OpenTimestamps Proof of Existence
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track: Viola Concerto in G Major, TWV 51:G9: Viola Concerto in G Major, TWV 51:G9: I. Largo
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track: Concerto for Two Violas in G Major, TWV 52:G3: Concerto for Two Violas in G Major, TWV 52:G3: I. Avec douceur
track: Concerto for Two Violas in G Major, TWV 52:G3: Concerto for Two Violas in G Major, TWV 52:G3: II. Gaÿ

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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8481dceecc43b492c4531e1fef67ffb64fc8bab17ab20707a2434dee9df844d9. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2020050.
date published: 2026-07-08T03:22:41Z

Ouverture burlesque in B-Flat Major, TWV 55:B8: Ouverture burlesque in B-Flat Major, TWV 55:B8: V. Pierrot. Vite
type: AudioObject
additional property: Tempo (BPM)
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  value: 155.999
additional property: Musical Key
  type: PropertyValue
  value: 9
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.417
additional property: Energy
  type: PropertyValue
  value: 0.275
additional property: Speechiness
  type: PropertyValue
  value: 0.055
additional property: Acousticness
  type: PropertyValue
  value: 0.865
additional property: Instrumentalness
  type: PropertyValue
  value: 0.195
additional property: Liveness
  type: PropertyValue
  value: 0.273
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.852
additional property: Loudness (dB)
  type: PropertyValue
  value: -22.74
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Major

Viola Concerto in G Major, TWV 51:G9: Viola Concerto in G Major, TWV 51:G9: I. Largo
type: MusicRecording
duration: PT2M56S
duration ms: 176093
explicit: false
by artist: Georg Philipp Telemann
by artist: Antoine Tamestit
by artist: Akademie für Alte Musik Berlin
by artist: Bernhard Forck
in album: Georg Philipp Telemann: Viola Concertos - Overtures - Fantasias
  type: MusicAlbum
  date published: 2022-01-07
isrc code: FR7JM2020080
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T09:57:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3d62d4bcdf33bad4118881716afd59aa9fb769e8878469e7724e4de6685cbc14
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2020080
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d62d4bcdf33bad4118881716afd59aa9fb769e8878469e7724e4de6685cbc14. 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/FR7JM2020080.
  date published: 2026-07-02T05:09:12Z
audio: Viola Concerto in G Major, TWV 51:G9: Viola Concerto in G Major, TWV 51:G9: I. Largo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.972
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.215
  additional property: Energy
    type: PropertyValue
    value: 0.062
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.435
  additional property: Liveness
    type: PropertyValue
    value: 0.203
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.204
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.49
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Viola Concerto in G Major, TWV 51:G9: Viola Concerto in G Major, TWV 51:G9: II. Allegro
type: MusicRecording
duration: PT2M25S
duration ms: 145866
explicit: false
by artist: Georg Philipp Telemann
by artist: Antoine Tamestit
by artist: Akademie für Alte Musik Berlin
by artist: Bernhard Forck
in album: Georg Philipp Telemann: Viola Concertos - Overtures - Fantasias
  type: MusicAlbum
  date published: 2022-01-07
isrc code: FR7JM2020090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T00:23:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9a5cbc25d496b5610563252a9d13a526028b2bec8baa3163992a0a8e0ccbe642
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2020090
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a5cbc25d496b5610563252a9d13a526028b2bec8baa3163992a0a8e0ccbe642. 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/FR7JM2020090.
  date published: 2026-07-02T03:55:08Z
audio: Viola Concerto in G Major, TWV 51:G9: Viola Concerto in G Major, TWV 51:G9: II. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.824
  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: 0.503
  additional property: Energy
    type: PropertyValue
    value: 0.248
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.896
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.591
  additional property: Liveness
    type: PropertyValue
    value: 0.085
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.848
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.879
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Viola Concerto in G Major, TWV 51:G9: Viola Concerto in G Major, TWV 51:G9: III. Andante
type: MusicRecording
duration: PT3M7S
duration ms: 187746
explicit: false
by artist: Georg Philipp Telemann
by artist: Antoine Tamestit
by artist: Akademie für Alte Musik Berlin
by artist: Bernhard Forck
in album: Georg Philipp Telemann: Viola Concertos - Overtures - Fantasias
  type: MusicAlbum
  date published: 2022-01-07
isrc code: FR7JM2020100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T17:07:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaa37963bae808f71ad6a1a5441d928106ba24e83a05cf2cebc163c778d61ab82
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2020100
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa37963bae808f71ad6a1a5441d928106ba24e83a05cf2cebc163c778d61ab82. 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/FR7JM2020100.
  date published: 2026-07-02T05:09:12Z
audio: Viola Concerto in G Major, TWV 51:G9: Viola Concerto in G Major, TWV 51:G9: III. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.241
  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: 0.184
  additional property: Energy
    type: PropertyValue
    value: 0.051
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.017
  additional property: Liveness
    type: PropertyValue
    value: 0.139
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.172
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.654
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Viola Concerto in G Major, TWV 51:G9: Viola Concerto in G Major, TWV 51:G9: IV. Presto
type: MusicRecording
duration: PT3M4S
duration ms: 184640
explicit: false
by artist: Georg Philipp Telemann
by artist: Antoine Tamestit
by artist: Akademie für Alte Musik Berlin
by artist: Bernhard Forck
in album: Georg Philipp Telemann: Viola Concertos - Overtures - Fantasias
  type: MusicAlbum
  date published: 2022-01-07
isrc code: FR7JM2020110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T17:08:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfa8d75fae7db94e0d38a69b11659a73b00248c019b924bba40cfb3b94bb74c3b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2020110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa8d75fae7db94e0d38a69b11659a73b00248c019b924bba40cfb3b94bb74c3b. 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/FR7JM2020110.
  date published: 2026-07-02T05:09:12Z
audio: Viola Concerto in G Major, TWV 51:G9: Viola Concerto in G Major, TWV 51:G9: IV. Presto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.551
  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: 0.529
  additional property: Energy
    type: PropertyValue
    value: 0.278
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.892
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.314
  additional property: Liveness
    type: PropertyValue
    value: 0.194
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.842
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.185
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Canonic Sonata for Two Violas in D Minor, TWV 40:121: Canonic Sonata for Two Violas in D Minor, TWV 40:121: I. Vivace ma moderato
type: MusicRecording
duration: PT1M30S
duration ms: 90133
explicit: false
by artist: Georg Philipp Telemann
by artist: Antoine Tamestit
by artist: Sabine Fehlandt
in album: Georg Philipp Telemann: Viola Concertos - Overtures - Fantasias
  type: MusicAlbum
  date published: 2022-01-07
isrc code: FR7JM2020120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T06:27:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x52401affbd2ac1ddfef7dfeea9c1d79ebb8b9b93a11430241ca5aec663729c06
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2020120
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52401affbd2ac1ddfef7dfeea9c1d79ebb8b9b93a11430241ca5aec663729c06. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2020120.
  date published: 2026-07-06T06:56:49Z
audio: Canonic Sonata for Two Violas in D Minor, TWV 40:121: Canonic Sonata for Two Violas in D Minor, TWV 40:121: I. Vivace ma moderato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.385
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.64
  additional property: Energy
    type: PropertyValue
    value: 0.057
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.225
  additional property: Liveness
    type: PropertyValue
    value: 0.098
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.79
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.047
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Canonic Sonata for Two Violas in D Minor, TWV 40:121: Canonic Sonata for Two Violas in D Minor, TWV 40:121: II. Piacevole non largo
type: MusicRecording
duration: PT2M55S
duration ms: 175893
explicit: false
by artist: Georg Philipp Telemann
by artist: Antoine Tamestit
by artist: Sabine Fehlandt
in album: Georg Philipp Telemann: Viola Concertos - Overtures - Fantasias
  type: MusicAlbum
  date published: 2022-01-07
isrc code: FR7JM2020130
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T05:08:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9da32b191eb4d93058153316e569fb90eb387e083789df74813a407ee253e4d9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956891
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956891
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2020130
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:16:32Z
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 0x9da32b191eb4d93058153316e569fb90eb387e083789df74813a407ee253e4d9. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/FR7JM2020130.
  date published: 2026-07-06T07:16:32Z
audio: Canonic Sonata for Two Violas in D Minor, TWV 40:121: Canonic Sonata for Two Violas in D Minor, TWV 40:121: II. Piacevole non largo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 161.47
  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: 0.215
  additional property: Energy
    type: PropertyValue
    value: 0.007
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.085
  additional property: Liveness
    type: PropertyValue
    value: 0.075
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.22
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.896
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Canonic Sonata for Two Violas in D Minor, TWV 40:121: Canonic Sonata for Two Violas in D Minor, TWV 40:121: III. Presto
type: MusicRecording
duration: PT1M6S
duration ms: 66106
explicit: false
by artist: Georg Philipp Telemann
by artist: Antoine Tamestit
by artist: Sabine Fehlandt
in album: Georg Philipp Telemann: Viola Concertos - Overtures - Fantasias
  type: MusicAlbum
  date published: 2022-01-07
isrc code: FR7JM2020140
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb735b83b44a0d572f295e58452883094f17396007ce9ed5ecdd0e5a1940a60e0
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2020140
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb735b83b44a0d572f295e58452883094f17396007ce9ed5ecdd0e5a1940a60e0. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2020140.
  date published: 2026-07-06T06:56:49Z
audio: Canonic Sonata for Two Violas in D Minor, TWV 40:121: Canonic Sonata for Two Violas in D Minor, TWV 40:121: III. Presto
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.41
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Fantasia for Solo Viola in C Major, TWV 40:15: Fantasia for Solo Viola in C Major, TWV 40:15: II. Allegro
type: MusicRecording
duration: PT1M57S
duration ms: 117453
explicit: false
by artist: Georg Philipp Telemann
by artist: Antoine Tamestit
in album: Georg Philipp Telemann: Viola Concertos - Overtures - Fantasias
  type: MusicAlbum
  date published: 2022-01-07
isrc code: FR7JM2020160
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-06T09:00:05+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x8e1b02b3317be8be00bef70905a3a278c4636442ca2ff29b79e7c4fc4d96d5ed
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/FR7JM2020160
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 0x8e1b02b3317be8be00bef70905a3a278c4636442ca2ff29b79e7c4fc4d96d5ed. 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/FR7JM2020160.
  date published: 2026-07-07T18:39:05Z
audio: Fantasia for Solo Viola in C Major, TWV 40:15: Fantasia for Solo Viola in C Major, TWV 40:15: II. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.428
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.928
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.511
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Fantasia for Solo Viola in C Major, TWV 40:15: Fantasia for Solo Viola in C Major, TWV 40:15: III. Allegro
type: MusicRecording
duration: PT0M48S
duration ms: 48386
explicit: false
by artist: Georg Philipp Telemann
by artist: Antoine Tamestit
in album: Georg Philipp Telemann: Viola Concertos - Overtures - Fantasias
  type: MusicAlbum
  date published: 2022-01-07
isrc code: FR7JM2020170
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:23:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xafe6fd3456e7628e8c79d288cfede527710e38a2de0438e94443218cf1fe0e72
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2020170
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 0xafe6fd3456e7628e8c79d288cfede527710e38a2de0438e94443218cf1fe0e72. 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/FR7JM2020170.
  date published: 2026-07-08T03:20:19Z
audio: Fantasia for Solo Viola in C Major, TWV 40:15: Fantasia for Solo Viola in C Major, TWV 40:15: III. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.674
  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: 0.529
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.08
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.876
  additional property: Liveness
    type: PropertyValue
    value: 0.138
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.715
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.936
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
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Ouverture-Suite in G Minor, TWV 55:g2 "La Changeante": Ouverture-Suite in G Minor, TWV 55:g2 "La Changeante": II. Loure
type: MusicRecording
duration: PT1M10S
duration ms: 70506
explicit: false
by artist: Georg Philipp Telemann
by artist: Akademie für Alte Musik Berlin
by artist: Bernhard Forck
in album: Georg Philipp Telemann: Viola Concertos - Overtures - Fantasias
  type: MusicAlbum
  date published: 2022-01-07
isrc code: FR7JM2020190
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T18:43:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9cb7ab0ce2398b0be5b8302c633e5e11f9d1ea04cb6d603f6b8f78920f9caaee
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2020190
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cb7ab0ce2398b0be5b8302c633e5e11f9d1ea04cb6d603f6b8f78920f9caaee. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2020190.
  date published: 2026-07-08T03:22:41Z
audio: Ouverture-Suite in G Minor, TWV 55:g2 "La Changeante": Ouverture-Suite in G Minor, TWV 55:g2 "La Changeante": II. Loure
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.282
  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: 0.335
  additional property: Energy
    type: PropertyValue
    value: 0.058
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.548
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.077
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.598
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.463
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
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Ouverture-Suite in G Minor, TWV 55:g2 "La Changeante": Ouverture-Suite in G Minor, TWV 55:g2 "La Changeante": IV. Menuet I - Menuet II. Doux
type: MusicRecording
duration: PT2M29S
duration ms: 149746
explicit: false
by artist: Georg Philipp Telemann
by artist: Akademie für Alte Musik Berlin
by artist: Bernhard Forck
in album: Georg Philipp Telemann: Viola Concertos - Overtures - Fantasias
  type: MusicAlbum
  date published: 2022-01-07
isrc code: FR7JM2020210
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:18:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x38b90b586f5929d7dbc4b28877caba74ca9389f79c3a8ea18a988f3519a600cc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2020210
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 0x38b90b586f5929d7dbc4b28877caba74ca9389f79c3a8ea18a988f3519a600cc. 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/FR7JM2020210.
  date published: 2026-07-08T03:20:19Z
audio: Ouverture-Suite in G Minor, TWV 55:g2 "La Changeante": Ouverture-Suite in G Minor, TWV 55:g2 "La Changeante": IV. Menuet I - Menuet II. Doux
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.512
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.295
  additional property: Energy
    type: PropertyValue
    value: 0.041
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.823
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.167
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.453
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.251
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ouverture-Suite in G Minor, TWV 55:g2 "La Changeante": Ouverture-Suite in G Minor, TWV 55:g2 "La Changeante": V. La Plaisanterie
type: MusicRecording
duration: PT0M55S
duration ms: 55413
explicit: false
by artist: Georg Philipp Telemann
by artist: Akademie für Alte Musik Berlin
by artist: Bernhard Forck
in album: Georg Philipp Telemann: Viola Concertos - Overtures - Fantasias
  type: MusicAlbum
  date published: 2022-01-07
isrc code: FR7JM2020220
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2020220
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 0xbfc60935a9a96842ba0b5acc727400b5d5dc6d09307afd6f58642bb0375f32b5. 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/FR7JM2020220.
  date published: 2026-07-08T03:20:19Z
audio: Ouverture-Suite in G Minor, TWV 55:g2 "La Changeante": Ouverture-Suite in G Minor, TWV 55:g2 "La Changeante": V. La Plaisanterie
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.002
  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: 0.498
  additional property: Energy
    type: PropertyValue
    value: 0.335
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.526
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.053
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.829
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.61
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Fantasia for Solo Viola in E-Flat Major, TWV 40:14: Fantasia for Solo Viola in E-Flat Major, TWV 40:14: IV. Allegro da capo
type: MusicRecording
duration: PT1M50S
duration ms: 110986
explicit: false
by artist: Georg Philipp Telemann
by artist: Antoine Tamestit
in album: Georg Philipp Telemann: Viola Concertos - Overtures - Fantasias
  type: MusicAlbum
  date published: 2022-01-07
isrc code: FR7JM2020290
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:09:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd059dd26ab355e041ee68573cb65b7b75000de29fe6922c5a75e73548b5aca55
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/FR7JM2020290
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 0xd059dd26ab355e041ee68573cb65b7b75000de29fe6922c5a75e73548b5aca55. 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/FR7JM2020290.
  date published: 2026-07-08T03:20:19Z
audio: Fantasia for Solo Viola in E-Flat Major, TWV 40:14: Fantasia for Solo Viola in E-Flat Major, TWV 40:14: IV. Allegro da capo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.676
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.533
  additional property: Energy
    type: PropertyValue
    value: 0.047
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.922
  additional property: Liveness
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Concerto for Two Violas in G Major, TWV 52:G3: Concerto for Two Violas in G Major, TWV 52:G3: II. Gaÿ
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subject of: OpenTimestamps Proof of Existence
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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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Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: I. [Ohne Satzbezeichnung]
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Brandenburg Concerto No. 3 in G Major, BWV 1048: I. [Ohne Satzbezeichnung]
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: III. Allegro
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Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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Brahms : Viola Sonatas, Op. 120 - Zwei Gesänge, Op. 91
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track: Viola Sonata in E-Flat Major, Op. 120 No. 2: II. Allegro appassionato
track: Wiegenlied, Op. 49 No. 4 (Arr. for viola and piano)
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OpenTimestamps Proof of Existence
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Viola Sonata in E-Flat Major, Op. 120 No. 2: I. Allegro amabile
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Viola Sonata in E-Flat Major, Op. 120 No. 2: II. Allegro appassionato
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:50:38Z
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Wiegenlied, Op. 49 No. 4 (Arr. for viola and piano)
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Zwei Gesänge, Op. 91: I. Gestillte Sehnsucht
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Zwei Gesänge, Op. 91: II. Geistliches Wiegenlied
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track: Souvenir de Florence, Op. 70, TH 118: IV. Allegro vivace - Live from Verbier Festival / 2013

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Olga Neuwirth: Orchestral Works
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  subject of: OpenTimestamps Proof of Existence
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track: Sonata for Viola da Gamba in D Major, BWV 1028: III. Andante (Arr. for Viola)
track: Sonata for Viola da Gamba in D Major, BWV 1028: IV. Allegro (Arr. for Viola)
track: Sonata for Viola da Gamba in G Major, BWV 1027: II. Allegro ma non tanto (Arr. for Viola)
track: Sonata for Viola da Gamba in G Major, BWV 1027: III. Andante (Arr. for Viola)
track: Sonata for Viola da Gamba in G Major, BWV 1027: IV. Allegro moderato (Arr. for Viola)

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22bbf2e573dfec6d4c641dd8415c1faaffb47ca40afebb5e870dc23baa00317d. 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/FR7JM1889050.
date published: 2026-07-08T03:20:19Z

Sonata for Viola da Gamba in D Major, BWV 1028: I. Adagio (Arr. for Viola)
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Sonata for Viola da Gamba in D Major, BWV 1028: III. Andante (Arr. for Viola)
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by artist: Antoine Tamestit
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Sonata for Viola da Gamba in D Major, BWV 1028: III. Andante (Arr. for Viola)
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Sonata for Viola da Gamba in D Major, BWV 1028: IV. Allegro (Arr. for Viola)
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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: Sonata for Viola da Gamba in D Major, BWV 1028: IV. Allegro (Arr. for Viola)
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Sonata for Viola da Gamba in G Major, BWV 1027: II. Allegro ma non tanto (Arr. for Viola)
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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: Sonata for Viola da Gamba in G Major, BWV 1027: II. Allegro ma non tanto (Arr. for Viola)
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Sonata for Viola da Gamba in G Major, BWV 1027: III. Andante (Arr. for Viola)
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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: 2026-06-13T17:25:41Z
audio: Sonata for Viola da Gamba in G Major, BWV 1027: III. Andante (Arr. for Viola)
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Sonata for Viola da Gamba in G Major, BWV 1027: IV. Allegro moderato (Arr. for Viola)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Sonata for Viola da Gamba in G Major, BWV 1027: IV. Allegro moderato (Arr. for Viola)
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Debussy: Les Trois Sonates, The Late Works
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-21T17:38:06Z
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Cello Sonata in D Minor, L. 135: I. Prologue. Lent. Sostenuto e molto risoluto
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Cello Sonata in D Minor, L. 135: II. Sérénade. Modérément animé. Fantasque et léger
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Cello Sonata in D Minor, L. 135: III. Finale. Animé. Léger et nerveux
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track: Elegie in F Minor, Op. 30
track: La Favorita, Act III, Scene 4: Air de Léonore "Ô mon Fernand" (Arr. for Piano & Viola)
track: Norma, Act I, Scene 1: Air de Norma "Casta Diva" (Arr. for Piano & Viola)
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La Fille du Régiment, Act I, Scene 11: Air de Marie "Il faut partir" (Arr. for Piano & Viola)
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Elegie in F Minor, Op. 30
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La Favorita, Act III, Scene 4: Air de Léonore "Ô mon Fernand" (Arr. for Piano & Viola)
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Norma, Act I, Scene 1: Air de Norma "Casta Diva" (Arr. for Piano & Viola)
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Capriccio for Solo Viola, Op. 55
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Bratsche !
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Bach: Suites Nos. 1, 3 & 5
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Mantovani: Concerto pour deux altos, Time Stretch & Finale
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Dass sie hier gewesen
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Nacht und träume
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J.S. Bach: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051; Sonata for Viola da Gamba in G Minor, BWV 1029; Violin Sonata in F Minor, BWV 1018 (Live)
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track: Octet in C Major, Op. 7: I. Très modéré - Live
track: Octet in C Major, Op. 7: II. Très fougueux - Live
track: Octet in C Major, Op. 7: III. Lentement - Live
track: Octet in C Major, Op. 7: IV. Mouvement de valse bien rythmée - Live

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Octet in E-Flat Major, Op. 20, MWV R20: IV. Presto - Live
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Octet in C Major, Op. 7: I. Très modéré - Live
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Octet in C Major, Op. 7: II. Très fougueux - Live
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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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Octet in C Major, Op. 7: III. Lentement - Live
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  date published: 2026-07-08T03:20:19Z
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Octet in C Major, Op. 7: IV. Mouvement de valse bien rythmée - Live
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  date published: 2026-07-08T03:53:27Z
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Mozart: Violin Concertos Nos. 1 & 3, Sinfonia concertante
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    date published: 2026-07-08T03:20:19Z
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Shostakovich: Sonata for Viola and Piano - Schnittke: Concerto for Viola and Orchestra
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Chaconne
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  by artist: Akademie für Alte Musik Berlin
  by artist: Isabelle Faust
  by artist: Antoine Tamestit
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    date published: 2021-09-03
  genre: classical
  genre: classical-piano
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  additional property: OTSVerificationAPI
    type: PropertyValue
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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
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f60a6c076833edd86f05861fdd068d9c6b1019485794b72275368b92bfcd7c1. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2113080.
    date published: 2026-07-08T03:22:41Z
  audio: Brandenburg Concerto No. 3 in G Major, BWV 1048: I. [Ohne Satzbezeichnung]
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Valence (Positivity)
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Tchaikovsky: Souvenir de Florence, Op. 70, TH 118: III. Allegro moderato (Live from Verbier Festival / 2013)
type: MusicAlbum
date published: 2020-07-17

Bach: Sonata for Viola da Gamba in G Major, BWV 1027
type: MusicAlbum
date published: 2019-07-26

Douce France
type: MusicAlbum
date published: 2013-10-21
track: 7 Chansons grises: No. 5, L'heure exquise
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  by artist: Anne Sofie von Otter
  by artist: Bengt Forsberg
  in album: Douce France
    type: MusicAlbum
    date published: 2013-10-21
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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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba1066b79bf6f6fa1739093389c837b9848ad54b7698f925d1a5009fca4bc3d7. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131306010.
    date published: 2026-06-13T17:25:41Z
  audio: 7 Chansons grises: No. 5, L'heure exquise
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    additional property: Danceability
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    additional property: Energy
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Göttingen
  type: MusicRecording
  duration: PT3M2S
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  by artist: Barbara
  by artist: Anne Sofie von Otter
  by artist: Bengt Forsberg
  in album: Douce France
    type: MusicAlbum
    date published: 2013-10-21
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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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
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f1a6b0b0ce76dd0e391bab466b89251f948850af628febf02329e1c44d60c19. 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/FRZ131306180.
    date published: 2026-07-02T05:09:12Z
  audio: Göttingen
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    additional property: Danceability
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    additional property: Speechiness
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track: Clair de lune
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  duration: PT1M23S
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  by artist: Camille Saint-Saëns
  by artist: Anne Sofie von Otter
  by artist: Bengt Forsberg
  in album: Douce France
    type: MusicAlbum
    date published: 2013-10-21
  genre: classical
  genre: late-romantic-era
  genre: french-romanticism
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Clair de lune
track: Si vous n'avez rien à me dire
track: Quel joli temps
track: Puisque j'ai mis ma lèvre
track: Chanson des jumelles
track: 3 Songs, Op. 23: No. 3, Le secret
track: Les feuilles mortes
track: Douce France
track: Trois chansons de Bilitis, L. 90: No. 1, La flûte de Pan
track: Trois chansons de Bilitis, L. 90: No. 2, La chevelure
track: Trois chansons de Bilitis, L. 90: No. 3, Le tombeau des Naïades
track: 4 Poèmes, Op. 5: No. 1, La cloche fêlée
track: Parlez-moi d'amour

OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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value: https://blockstream.info/api/block-height/956349

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131306030

OTSTimestamp
type: PropertyValue
value: 2026-07-02T11:34:59Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9129c762a56f923aae962903deb76570d59de6c22992ea28217b00022aac772. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/FRZ131306030.
date published: 2026-07-02T11:34:59Z

Clair de lune
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Si vous n'avez rien à me dire
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duration: PT3M20S
duration ms: 200093
explicit: false
by artist: Camille Saint-Saëns
by artist: Anne Sofie von Otter
by artist: Bengt Forsberg
in album: Douce France
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  date published: 2013-10-21
genre: classical
genre: late-romantic-era
genre: french-romanticism
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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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd583fb7a1bb0e03f9e6763399a49d9931c4522486da6c6b960d61f39e905e248. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131306040.
  date published: 2026-07-02T03:30:09Z
audio: Si vous n'avez rien à me dire
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  additional property: Mode (Major/Minor)
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  additional property: Liveness
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Quel joli temps
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explicit: false
by artist: Barbara
by artist: Anne Sofie von Otter
by artist: Bengt Forsberg
in album: Douce France
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additional property: CopyrightStatus
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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 0x8f7904dedcf2612a1e138421c367d4b147d2e45431f397a6e74e015c407ae4c3. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131306210.
  date published: 2026-07-06T06:56:49Z
audio: Quel joli temps
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Puisque j'ai mis ma lèvre
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duration: PT3M48S
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by artist: Anne Sofie von Otter
by artist: Bengt Forsberg
in album: Douce France
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  date published: 2013-10-21
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  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: 2026-07-21T21:36:00Z
audio: Puisque j'ai mis ma lèvre
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  additional property: Speechiness
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  additional property: Acousticness
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Chanson des jumelles
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duration: PT3M4S
duration ms: 184760
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by artist: Michel Legrand
by artist: Anne Sofie von Otter
by artist: Bengt Forsberg
in album: Douce France
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isrc code: FRZ131306240
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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 0xa402099be37b830cf10ab078f3a7c8076fcd8f1eddaca7b1b69635a4b7607413. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131306240.
  date published: 2026-07-08T03:22:41Z
audio: Chanson des jumelles
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3 Songs, Op. 23: No. 3, Le secret
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duration: PT2M35S
duration ms: 155346
explicit: false
by artist: Gabriel Fauré
by artist: Anne Sofie von Otter
by artist: Bengt Forsberg
in album: Douce France
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isrc code: FRZ131306090
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additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131306090
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 0xc2b375ab0ac696f5cb0d5351e0cb25acf9427ed39b888e63da83b93bd871d6c8. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131306090.
  date published: 2026-07-07T18:50:38Z
audio: 3 Songs, Op. 23: No. 3, Le secret
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Les feuilles mortes
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duration: PT4M26S
duration ms: 266026
explicit: false
by artist: Joseph Kosma
by artist: Anne Sofie von Otter
by artist: Bengt Forsberg
in album: Douce France
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isrc code: FRZ131306260
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bf1268565a73576772579a984066f9bfba2a5393811c8225df6de855b5a3669. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131306260.
  date published: 2026-07-07T16:07:00Z
audio: Les feuilles mortes
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Douce France
type: MusicRecording
duration: PT3M24S
duration ms: 204000
explicit: false
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by artist: Anne Sofie von Otter
by artist: Bengt Forsberg
in album: Douce France
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  date published: 2013-10-21
genre: chanson
genre: variete-francaise
genre: french-jazz
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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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 0x80a819a839756b45f0dc15d783ba188ab59d8b6061b1342a3fa66a920a95cd03. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131306270.
  date published: 2026-07-02T03:30:09Z
audio: Douce France
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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Trois chansons de Bilitis, L. 90: No. 1, La flûte de Pan
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duration: PT2M45S
duration ms: 165026
explicit: false
by artist: Claude Debussy
by artist: Anne Sofie von Otter
by artist: Bengt Forsberg
in album: Douce France
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  date published: 2013-10-21
genre: classical
genre: impressionism
genre: post-romantic-era
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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: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131306120
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 0x0cc691d6f5070fb165e96ccc22838b1c8c94a24385aa6d31bd34f724c29a6f04. 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/FRZ131306120.
  date published: 2026-06-13T13:32:09Z
audio: Trois chansons de Bilitis, L. 90: No. 1, La flûte de Pan
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Trois chansons de Bilitis, L. 90: No. 2, La chevelure
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duration: PT3M25S
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explicit: false
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by artist: Anne Sofie von Otter
by artist: Bengt Forsberg
in album: Douce France
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  date published: 2013-10-21
genre: classical
genre: impressionism
genre: post-romantic-era
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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: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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 0x4417f33a2a2d9f15f0680afaf73b77af384641b8f1b7deb48ed27a90d0b5e7c6. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131306130.
  date published: 2026-07-07T16:07:00Z
audio: Trois chansons de Bilitis, L. 90: No. 2, La chevelure
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Trois chansons de Bilitis, L. 90: No. 3, Le tombeau des Naïades
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by artist: Anne Sofie von Otter
by artist: Bengt Forsberg
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  date published: 2013-10-21
genre: classical
genre: impressionism
genre: post-romantic-era
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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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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x536f4afc497b7f92f35edbf72c3e88a4e46e7d85187d1451c82a87c74705aadc. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/FRZ131306140.
  date published: 2026-07-07T14:18:56Z
audio: Trois chansons de Bilitis, L. 90: No. 3, Le tombeau des Naïades
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4 Poèmes, Op. 5: No. 1, La cloche fêlée
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Parlez-moi d'amour
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3 Gymnopédies: No. 3 in A Minor. Lent et grave
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Swan Lake, Op. 20, Act II: No. 10, Scene. Moderato
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La Gioconda, Op. 9, Act III: Dance of the Hours (Excerpt)
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Piano Concerto No. 27 in B-Flat Major, K. 595: III. Allegro
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Deux Chansons, Op. 15: No. 2, Chanson de Matin
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Brandenburg Concerto No. 2 in F Major, BWV 1047: I. Allegro
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Over the Rainbow (From "The Wizard of Oz") [Arr. for Trumpet & Orchestra]
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audio: Over the Rainbow (From "The Wizard of Oz") [Arr. for Trumpet & Orchestra]
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6 Lieder ohne Worte, Book 6, Op. 67: II. Allegro leggiero
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Waltzes, Op. 34: No. 2, Lento in A Minor
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Harpsichord Suite No. 4 in D Minor, HWV 437: III. Sarabande
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Variations on an Original Theme, Op. 36 "Enigma": Theme. Andante
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Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": II. Romanze. Andante
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Piano Concerto No. 25 in C Major, K. 503: III. Allegretto
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Symphony No. 3 in D Major, D. 200: II. Allegretto
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7 Fantasias, Op. 116: No. 6, Intermezzo in E Major. Andantino teneramente
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Piano Concerto No. 20 in D Minor, K. 466: II. Romance
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4 Impromptus, Op. 90, D. 899: No. 3 in G-Flat Major
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Sicilienne in E-Flat Major
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Symphony No. 94 in G Major, Hob. I:94 "Surprise": IV. Finale. Allegro di molto
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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Carmen Suite No. 1: III. Intermezzo
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subject of: OpenTimestamps Proof of Existence
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Brandenburg Concerto No. 3 in G Major, BWV 1048: I. (No Tempo Marking)
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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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Clarinet Concerto in A Major, K. 622: II. Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Clarinet Concerto in A Major, K. 622: II. Adagio
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Peer Gynt Suite No. 1, Op. 46: I. Morning Mood
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subject of: OpenTimestamps Proof of Existence
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audio: Peer Gynt Suite No. 1, Op. 46: I. Morning Mood
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Adagio for Strings
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audio: Adagio for Strings
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The Planets, Op. 32: I. Mars, the Bringer of War. Allegro
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  date published: 2026-07-02T03:55:08Z
audio: The Planets, Op. 32: I. Mars, the Bringer of War. Allegro
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Keyboard Concerto in F Minor, BWV 1056: I. Allegro
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String Quintet No. 3 in C Major, K. 515: II. Menuetto. Allegretto
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Concerto for 2 Keyboards, BWV 1060: II. Adagio
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String Quintet No. 3 in C Major, K. 515: IV. Allegro
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Cello Suite No. 1 in G Major, BWV 1007: I. Prelude
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Harpsichord Concerto No. 5 in F Minor, BWV 1056: I. Arioso (Arr. Cortot)
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Piano Sonata No. 12 in F Major, K. 332: II. Adagio
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Frühlingstimmen, Op. 410
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