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description: Michaël Lévinas (born 18 April 1949) is a French composer and pianist.88 notes pour piano solo, Jean-Pierre Thiollet, Neva Ed., 2015, p. 52. Biography Born in Paris, Levinas was a student of Olivier
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  date published: 2026-07-02T03:55:08Z
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in album: "A Classical Concert": Baroque Composers
  type: MusicAlbum
  date published: 2025-04-29
isrc code: FRZ396001070
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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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ396001070
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeca32853c448f80facb9ee39008069a04a78d8450274af7cdb774bc1827f343e. 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/FRZ396001070.
  date published: 2026-07-02T03:30:09Z
audio: 6 Concerts transcrits en sextuor / 6e concert: 1. La Poule
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Flute Sonata in E Flat Major, BWV 1031 - Arr. for Accordion by R. Galliano: 2. Siciliano
type: MusicRecording
duration: PT2M6S
duration ms: 126586
explicit: false
by artist: Johann Sebastian Bach
by artist: Richard Galliano
by artist: Jean-Marc Phillips
in album: "A Classical Concert": Baroque Composers
  type: MusicAlbum
  date published: 2025-04-29
genre: classical
genre: classical-piano
isrc code: FRUM70902092
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/FRUM70902092
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7c193903cd93b39810bb656ad1cfc3ec8692b38ba56cb2574e7e95517b80f08. 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/FRUM70902092.
  date published: 2026-07-02T03:55:08Z
audio: Flute Sonata in E Flat Major, BWV 1031 - Arr. for Accordion by R. Galliano: 2. Siciliano
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  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: 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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The Well-Tempered Clavier: Book 2, BWV 870-893: Fugue in G Major, BWV 884
type: MusicRecording
duration: PT1M15S
duration ms: 75973
explicit: false
by artist: Johann Sebastian Bach
by artist: Michaël Lévinas
in album: "A Classical Concert": Baroque Composers
  type: MusicAlbum
  date published: 2025-04-29
genre: classical
genre: classical-piano
isrc code: FRZ390301870
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/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ390301870
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b21c5e919daa3f0207344b16eaab718917ab561ce9632673484b5dca1d8c412. 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/FRZ390301870.
  date published: 2026-07-02T03:55:08Z
audio: The Well-Tempered Clavier: Book 2, BWV 870-893: Fugue in G Major, BWV 884
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
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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
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  additional property: Valence (Positivity)
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    value: -31.006
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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6 Concerts transcrits en sextuor / 4e concert: 2. L'Indiscrète
type: MusicRecording
duration: PT1M23S
duration ms: 83160
explicit: false
by artist: Jean-Philippe Rameau
by artist: Louis Auriacombe
by artist: Orchestre De Chambre De Toulouse
in album: "A Classical Concert": Baroque Composers
  type: MusicAlbum
  date published: 2025-04-29
isrc code: FRZ396001000
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T04:40:01+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ396001000
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89b46b19df5d343f5b3c46d0c424c2e38f4d4ab618ebb8dedf6af1feba8ac722. 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/FRZ396001000.
  date published: 2026-07-02T03:55:08Z
audio: 6 Concerts transcrits en sextuor / 4e concert: 2. L'Indiscrète
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 10
  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
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.786
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
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Concerto in D minor Op. 5 No. 7: 3. Allegro
type: MusicRecording
duration: PT2M7S
duration ms: 127426
explicit: false
by artist: Tomaso Albinoni
by artist: Louis Auriacombe
by artist: Orchestre De Chambre De Toulouse
in album: "A Classical Concert": Baroque Composers
  type: MusicAlbum
  date published: 2025-04-29
genre: classical
isrc code: FRZ396301390
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T03:28:46+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x48f6a6b528aeac242330f6fb8c10a6d66a76b663f74f34b002860cb7a7ed4be8
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/FRZ396301390
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48f6a6b528aeac242330f6fb8c10a6d66a76b663f74f34b002860cb7a7ed4be8. 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/FRZ396301390.
  date published: 2026-07-02T03:55:08Z
audio: Concerto in D minor Op. 5 No. 7: 3. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.533
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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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: 0.523
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.079
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
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Orchestral Suite No. 1 in C Major, BWV 1066: 4. Forlane
type: MusicRecording
duration: PT1M30S
duration ms: 90146
explicit: false
by artist: Johann Sebastian Bach
by artist: Orchestre De La Sarre
by artist: Karl Ristenpart
in album: "A Classical Concert": Baroque Composers
  type: MusicAlbum
  date published: 2025-04-29
genre: classical
genre: classical-piano
isrc code: FRZ076602000
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ076602000
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0ef3d727a106a0335bd59627fe74fd82baf30f40f5be927185065613e4ed87a. 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/FRZ076602000.
  date published: 2026-07-02T03:55:08Z
audio: Orchestral Suite No. 1 in C Major, BWV 1066: 4. Forlane
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.865
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.612
  additional property: Energy
    type: PropertyValue
    value: 0.259
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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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: 0.734
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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6 Concerts transcrits en sextuor / 2e Concert: 3. L'Agaçante
type: MusicRecording
duration: PT1M32S
duration ms: 92933
explicit: false
by artist: Jean-Philippe Rameau
by artist: Louis Auriacombe
by artist: Orchestre De Chambre De Toulouse
in album: "A Classical Concert": Baroque Composers
  type: MusicAlbum
  date published: 2025-04-29
isrc code: FRZ396001110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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  value: 2026-06-24T04:39:22+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ396001110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8382b78b83a7cd5667b980c7b83a8f8ec4b48ef130e3d86ea0f7f2542eb9c29e. 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/FRZ396001110.
  date published: 2026-07-02T03:55:08Z
audio: 6 Concerts transcrits en sextuor / 2e Concert: 3. L'Agaçante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.073
  additional property: Musical Key
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    value: 7
  additional property: Mode (Major/Minor)
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Suite for Cello Solo No. 1 in G, BWV 1007: 2. Allemande
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duration ms: 196160
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by artist: Johann Sebastian Bach
by artist: Pierre Fournier
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genre: classical
genre: classical-piano
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Suite for Cello Solo No. 1 in G, BWV 1007: 2. Allemande
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The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in B Major, BWV 868
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by artist: Michaël Lévinas
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genre: classical
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in B Major, BWV 868
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6 Concerts transcrits en sextuor / 1er Concert: 3. Le Vézinet
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by artist: Jean-Philippe Rameau
by artist: Louis Auriacombe
by artist: Orchestre De Chambre De Toulouse
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: 6 Concerts transcrits en sextuor / 1er Concert: 3. Le Vézinet
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12 Violin Concertos, Op. 4 - "La stravaganza" / Concerto No. 3 in G Major, RV 301: 3. Allegro assai
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duration: PT2M10S
duration ms: 130920
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by artist: Jean-Pierre Wallez
by artist: Ensemble instrumental de France
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-02T03:55:08Z
audio: 12 Violin Concertos, Op. 4 - "La stravaganza" / Concerto No. 3 in G Major, RV 301: 3. Allegro assai
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La Sena festeggiante, RV 693: Sinfonia. Allegro molto
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duration: PT1M51S
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by artist: Le Parlement De Musique
by artist: Martin Gester
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: La Sena festeggiante, RV 693: Sinfonia. Allegro molto
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Violin Partita No. 3 in E Major, BWV 1006: 6. Gigue
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by artist: Yuval Yaron
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genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Violin Partita No. 3 in E Major, BWV 1006: 6. Gigue
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The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in A Major, BWV 864
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by artist: Michaël Lévinas
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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Introduction, Aria & Presto (arr. E. Bonelli): 3. Presto
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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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6 Concerts transcrits en sextuor / 1er Concert: 1. La Coulicam
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subject of: OpenTimestamps Proof of Existence
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Music for The Royal Fireworks, HWV 351: 5. Menuet I
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Music for The Royal Fireworks, HWV 351: 5. Menuet I
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12 Violin Concertos, Op. 4 - "La stravaganza" / Concerto No. 12 in G Major, RV 298: 2. Largo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Arsilda Regina di Ponto R.700: Tornar voglio al primo ardore - Andante alla francese
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Arsilda Regina di Ponto R.700: Tornar voglio al primo ardore - Andante alla francese
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The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in F-Sharp Major, BWV 858
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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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Water Music Suite No.1, HWV 348: 6. Air - Andante
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T16:51:38Z
audio: Water Music Suite No.1, HWV 348: 6. Air - Andante
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6 Concerts transcrits en sextuor / 5e concert: 3. La Marais
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duration: PT1M48S
duration ms: 108360
explicit: false
by artist: Jean-Philippe Rameau
by artist: Louis Auriacombe
by artist: Orchestre De Chambre De Toulouse
in album: "A Classical Concert": Baroque Composers
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T16:51:38Z
audio: 6 Concerts transcrits en sextuor / 5e concert: 3. La Marais
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English Suite No. 3 in G minor, BWV 808 - Transcr. for two guitars A. Lagoya: 2. Allemande
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duration: PT3M4S
duration ms: 184087
explicit: false
by artist: Johann Sebastian Bach
by artist: Alexandre Lagoya
by artist: Ida Presti
in album: "A Classical Concert": Baroque Composers
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genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T16:51:38Z
audio: English Suite No. 3 in G minor, BWV 808 - Transcr. for two guitars A. Lagoya: 2. Allemande
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The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in F Minor, BWV 857
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duration: PT2M8S
duration ms: 128119
explicit: false
by artist: Johann Sebastian Bach
by artist: Michaël Lévinas
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genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T16:51:38Z
audio: The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in F Minor, BWV 857
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L'Olimpiade, RV725 / Sinfonia: L'Olimpiade: Sinfonia II - Andante
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duration: PT2M26S
duration ms: 146693
explicit: false
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by artist: Nathalie Stutzmann
by artist: Orfeo 55
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T15:38:35Z
audio: L'Olimpiade, RV725 / Sinfonia: L'Olimpiade: Sinfonia II - Andante
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12 Violin Concertos, Op. 8 "Il cimento dell'armonia e dell' invenzione" / Concerto No. 4 in F minor for solo violin,"L'Inverno" - RV297: 3. Allegro
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duration: PT3M5S
duration ms: 185026
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by artist: Antonio Vivaldi
by artist: Jean-Pierre Wallez
by artist: Ensemble instrumental de France
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:53:57Z
audio: 12 Violin Concertos, Op. 8 "Il cimento dell'armonia e dell' invenzione" / Concerto No. 4 in F minor for solo violin,"L'Inverno" - RV297: 3. Allegro
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Concerto Grosso in D Major, Op. 6, No. 5, HWV 323: 5. Allegro
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duration ms: 217746
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by artist: Orchestre De Chambre De Toulouse
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genre: early-music
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T21:02:00Z
audio: Concerto Grosso in D Major, Op. 6, No. 5, HWV 323: 5. Allegro
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