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album: Hindemith: Wind Sonatas
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Flute Trio No. 3 in G Major, Hob. IV:3: II. Andante
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  date published: 2026-07-22T15:40:02Z
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Echo for 2 Flutes - Arrangement of the Divertimento for 2 String Trios in E-Flat Major, Hob.II:39: I. Adagio
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Hindemith: Althorn Sonata: V. Lebhaft
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Mozart : Symphonie Concertante K.297b pour hautbois, clarinette, basson, cor & orchestre - Concerto pour clarinette & orchestre K.622 - Sinfonia Concertante K. 297b for oboe, clarinet, bassoo
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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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9535bc31078a82de6aa11f8674bf8d9b28aec85c811b2ddce77714563c1eb194. 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/FR92Z0700050.
    date published: 2026-07-08T03:22:41Z
  audio: Concerto for clarinet in A major, K.622: Allegro
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    additional property: Speechiness
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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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Philippe Hersant: Musique à un, deux ou trois
type: MusicAlbum
date published: 2007-01-01

Rossini : Quatuors pour ensemble à vents
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Festliches Osterkonzert 2024
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Nino Rota: Chamber Music
type: MusicAlbum
date published: 2021-07-09
track: Valzer sul nome Bach: No. 1, Circus-Valzer
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  by artist: Daishin Kashimoto
  by artist: Emmanuel Pahud
  by artist: Eric Le Sage
  in album: Nino Rota: Chamber Music
    type: MusicAlbum
    date published: 2021-07-09
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2074604
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc776c7c4450d0786e3d66c691b1f2757e743105d0b3cb767fba44dea6a7e0b3e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2074604.
    date published: 2026-07-08T03:53:27Z
  audio: Valzer sul nome Bach: No. 1, Circus-Valzer
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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
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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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track: Piccola offerta musicale
  type: MusicRecording
  duration: PT4M3S
  duration ms: 243360
  explicit: false
  by artist: Nino Rota
  by artist: Emmanuel Pahud
  by artist: Paul Meyer
  by artist: François Meyer
  by artist: Gilbert Audin
  by artist: Benoît de Barsony
  in album: Nino Rota: Chamber Music
    type: MusicAlbum
    date published: 2021-07-09
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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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1062d7db8decb7e591fddf7885fef19abf8f0932cb03f208f04e20a64aa2761e. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/FR50X2074606.
    date published: 2026-07-08T08:56:20Z
  audio: Piccola offerta musicale
    type: AudioObject
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    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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  by artist: Nino Rota
  by artist: Daishin Kashimoto
  by artist: Joaquín Riquelme García
  by artist: Claudio Bohórquez
  by artist: Emmanuel Pahud
  by artist: Paul Meyer
  by artist: François Meyer
  by artist: Gilbert Audin
  by artist: Benoît de Barsony
  by artist: Olivier Thiery
  in album: Nino Rota: Chamber Music
    type: MusicAlbum
    date published: 2021-07-09
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  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
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track: Trio for Cello, Clarinet and Piano: II. Andante

CopyrightRegisteredAt
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CopyrightChainExplorerURL
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OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957122

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2074607

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:39:04Z

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 0x30925cdb87c484f7ff1e19a80de0cd9179a7292b287a675c04f3d812196e825c. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2074607.
date published: 2026-07-08T03:39:04Z

Nonetto: I. Allegro
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
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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)
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additional property: Key Name
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additional property: Mode Name
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type: MusicRecording
duration: PT4M47S
duration ms: 287706
explicit: false
by artist: Nino Rota
by artist: Aurélien Pascal
by artist: Paul Meyer
by artist: Eric Le Sage
in album: Nino Rota: Chamber Music
  type: MusicAlbum
  date published: 2021-07-09
isrc code: FR50X2074613
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
  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 0x038dee3e6486ea663471df169b1729cd9437ba3028faabe6a2ebfe3835e8a448. 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/FR50X2074613.
  date published: 2026-07-08T03:20:19Z
audio: Trio for Cello, Clarinet and Piano: II. Andante
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  additional property: Mode (Major/Minor)
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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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Farrenc: Chamber Music
type: MusicAlbum
date published: 2005-08-30
track: Nonette Pour Cordes Et Vents en Mi Bémol Majeur: II. Andante con moto
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  by artist: Louise Farrenc
  by artist: Vincent Pasquier
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  by artist: Philippe Bernold
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  by artist: Romain Guyot
  by artist: Gilbert Audin
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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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a0db8f51d548f4cc34ed63e9da1efe646c57ed748e7aeeb116523d69986950c. 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/FRZ130500092.
    date published: 2026-07-08T03:22:41Z
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    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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track: Etudes Op. 26, No. 17 en Mi Bémol Mineur
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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: 2026-07-08T08:56:20Z
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    additional property: Mode (Major/Minor)
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subject of: OpenTimestamps Proof of Existence
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Mozart: Concerto for Flute and Harp in C Major, K. 299: I. Allegro, Pt. 6
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
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Mozart: Concerto for Flute and Harp in C Major, K. 299: I. Allegro, Pt. 7
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
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Mozart: Concerto for Flute and Harp in C Major, K. 299: I. Allegro, Pt. 8
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Mozart: Concerto for Flute and Harp in C Major, K. 299: I. Allegro, Pt. 8
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Mozart: Concerto for Flute and Harp in C Major, K. 299: I. Allegro, Pt. 9
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Mozart: Concerto for Flute and Harp in C Major, K. 299: I. Allegro, Pt. 9
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Mozart: Concerto for Flute and Harp in C Major, K. 299: I. Allegro, Pt. 10
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Mozart: Concerto for Flute and Harp in C Major, K. 299: I. Allegro, Pt. 10
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Mozart: Concerto for Flute and Harp in C Major, K. 299: I. Allegro, Pt. 11
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Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino, Pt. 2
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Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino, Pt. 3
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Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino, Pt. 4
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Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino, Pt. 5
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Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino, Pt. 6
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino, Pt. 7
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Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino, Pt. 8
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duration: PT0M59S
duration ms: 59826
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by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Marie-Pierre Langlamet
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Mozart: Concerto for Flute & Harp - Beethoven, Vivaldi, Bach, Telemann
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genre: classical
genre: classical-era
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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: 2026-06-13T13:32:09Z
audio: Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino, Pt. 8
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Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino, Pt. 9
type: MusicRecording
duration: PT0M53S
duration ms: 53826
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Marie-Pierre Langlamet
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Mozart: Concerto for Flute & Harp - Beethoven, Vivaldi, Bach, Telemann
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genre: classical
genre: classical-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino, Pt. 9
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Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino, Pt. 10
type: MusicRecording
duration: PT0M57S
duration ms: 57506
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Marie-Pierre Langlamet
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
in album: Mozart: Concerto for Flute & Harp - Beethoven, Vivaldi, Bach, Telemann
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genre: classical
genre: classical-era
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino, Pt. 10
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Mozart: Concerto for Flute and Harp in C Major, K. 299: III. Rondeau. Allegro, Pt. 1
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duration: PT0M50S
duration ms: 50400
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Marie-Pierre Langlamet
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
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genre: classical
genre: classical-era
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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: 2026-06-13T15:41:10Z
audio: Mozart: Concerto for Flute and Harp in C Major, K. 299: III. Rondeau. Allegro, Pt. 1
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Mozart: Concerto for Flute and Harp in C Major, K. 299: III. Rondeau. Allegro, Pt. 2
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duration: PT0M42S
duration ms: 42466
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Marie-Pierre Langlamet
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
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genre: classical
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Mozart: Concerto for Flute and Harp in C Major, K. 299: III. Rondeau. Allegro, Pt. 2
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Mozart: Concerto for Flute and Harp in C Major, K. 299: III. Rondeau. Allegro, Pt. 3
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by artist: Berliner Philharmoniker
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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: 2026-06-13T15:41:10Z
audio: Mozart: Concerto for Flute and Harp in C Major, K. 299: III. Rondeau. Allegro, Pt. 3
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Mozart: Concerto for Flute and Harp in C Major, K. 299: III. Rondeau. Allegro, Pt. 4
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
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Mozart: Concerto for Flute and Harp in C Major, K. 299: III. Rondeau. Allegro, Pt. 5
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Mozart: Concerto for Flute and Harp in C Major, K. 299: III. Rondeau. Allegro, Pt. 5
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Mozart: Concerto for Flute and Harp in C Major, K. 299: III. Rondeau. Allegro, Pt. 6
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Mozart: Concerto for Flute and Harp in C Major, K. 299: III. Rondeau. Allegro, Pt. 6
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Mozart: Concerto for Flute and Harp in C Major, K. 299: III. Rondeau. Allegro, Pt. 7
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Mozart: Concerto for Flute and Harp in C Major, K. 299: III. Rondeau. Allegro, Pt. 7
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Mozart: Concerto for Flute and Harp in C Major, K. 299: III. Rondeau. Allegro, Pt. 8
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Mozart: Concerto for Flute and Harp in C Major, K. 299: III. Rondeau. Allegro, Pt. 8
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Mozart: Concerto for Flute and Harp in C Major, K. 299: III. Rondeau. Allegro, Pt. 9
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
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Mozart: Concerto for Flute and Harp in C Major, K. 299: III. Rondeau. Allegro, Pt. 10
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Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (a) Thema. Andantino
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (a) Thema. Andantino
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Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (b) Variation I
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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: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (b) Variation I
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Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (c) Variation II
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (c) Variation II
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Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (d) Variation III
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (d) Variation III
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Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (e) Variation IV
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (e) Variation IV
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Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (f) Variation V
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (f) Variation V
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by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Gilbert Audin
by artist: Radovan Vlatkovic
by artist: François Leleux
by artist: Orchestre de chambre de Paris
in album: Mozart: Concerto for Flute & Harp - Beethoven, Vivaldi, Bach, Telemann
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  date published: 2025-03-05
genre: classical
genre: classical-era
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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: 2026-07-02T03:30:09Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (g) Variation VI
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  additional property: Valence (Positivity)
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Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (h) Variation VII
type: MusicRecording
duration: PT0M55S
duration ms: 55386
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Gilbert Audin
by artist: Radovan Vlatkovic
by artist: François Leleux
by artist: Orchestre de chambre de Paris
in album: Mozart: Concerto for Flute & Harp - Beethoven, Vivaldi, Bach, Telemann
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genre: classical
genre: classical-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (h) Variation VII
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Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (i) Variation VIII
type: MusicRecording
duration: PT0M48S
duration ms: 48840
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Gilbert Audin
by artist: Radovan Vlatkovic
by artist: François Leleux
by artist: Orchestre de chambre de Paris
in album: Mozart: Concerto for Flute & Harp - Beethoven, Vivaldi, Bach, Telemann
  type: MusicAlbum
  date published: 2025-03-05
genre: classical
genre: classical-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (i) Variation VIII
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Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (j) Variation IX
type: MusicRecording
duration: PT0M54S
duration ms: 54400
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Gilbert Audin
by artist: Radovan Vlatkovic
by artist: François Leleux
by artist: Orchestre de chambre de Paris
in album: Mozart: Concerto for Flute & Harp - Beethoven, Vivaldi, Bach, Telemann
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  date published: 2025-03-05
genre: classical
genre: classical-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x364ff31b285b7f05ef7f906706ab2bb5c3031c097356391e800f41127167e247. 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/GBAYC2100822.
  date published: 2026-07-02T03:30:09Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (j) Variation IX
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  additional property: Musical Key
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Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (k) Variation X. Adagio
type: MusicRecording
duration: PT1M19S
duration ms: 79733
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Gilbert Audin
by artist: Radovan Vlatkovic
by artist: François Leleux
by artist: Orchestre de chambre de Paris
in album: Mozart: Concerto for Flute & Harp - Beethoven, Vivaldi, Bach, Telemann
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  date published: 2025-03-05
genre: classical
genre: classical-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa812ec43cba39adaff1c028a068f2eb1864acccfe9ea9000e006ee24a1d01d6f. 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/GBAYC2100823.
  date published: 2026-07-02T03:30:09Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (k) Variation X. Adagio
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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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Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (l) Allegro
type: MusicRecording
duration: PT1M23S
duration ms: 83333
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Gilbert Audin
by artist: Radovan Vlatkovic
by artist: François Leleux
by artist: Orchestre de chambre de Paris
in album: Mozart: Concerto for Flute & Harp - Beethoven, Vivaldi, Bach, Telemann
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genre: classical
genre: classical-era
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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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca759b2aade78436a0bd6766f5b799dc123f6c8aa93e995ab42d07a68e1404fb. 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/GBAYC2100824.
  date published: 2026-06-13T13:32:09Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (l) Allegro
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  additional property: Danceability
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Telemann: Flute Concerto in G Major, TWV 51:G2: I. Andante
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duration ms: 167631
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by artist: Rainer Kussmaul
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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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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Telemann: Flute Concerto in G Major, TWV 51:G2: II. Vivace
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  date published: 2026-07-02T03:30:09Z
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Telemann: Flute Concerto in G Major, TWV 51:G2: III. Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
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Telemann: Flute Concerto in G Major, TWV 51:G2: IV. Allegro
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  date published: 2026-07-02T03:30:09Z
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  date published: 2026-07-02T03:30:09Z
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Saint-Saëns: Le carnaval des animaux, R 125: X. Volière
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Saint-Saëns: Le carnaval des animaux, R 125: XIV. Finale
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Mozart & Flute in Paris
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track: Chaminade: Flute Concertino, Op. 107
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  subject of: OpenTimestamps Proof of Existence
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track: Poulenc / Arr. Berkeley: Flute Sonata, FP 164: I. Allegretto malinconico
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track: Poulenc / Arr. Berkeley: Flute Sonata, FP 164: III. Presto giocoso
track: Fauré / Orch. Aubert: Fantaisie, Op. 79
track: Saint-Saëns: Tarentelle, Op. 6
track: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (a) Thema. Andantino
track: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (b) Variation I
track: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (c) Variation II
track: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (d) Variation III
track: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (e) Variation IV
track: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (f) Variation V
track: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (g) Variation VI
track: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (h) Variation VII
track: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (i) Variation VIII
track: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (j) Variation IX
track: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (k) Variation X. Adagio
track: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (l) Allegro
track: Mozart: Concerto for Flute and Harp, K. 299: II. Andantino
track: Mozart: Concerto for Flute and Harp, K. 299: III. Rondeau

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

Poulenc / Arr. Berkeley: Flute Sonata, FP 164: I. Allegretto malinconico
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Poulenc / Arr. Berkeley: Flute Sonata, FP 164: III. Presto giocoso
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subject of: OpenTimestamps Proof of Existence
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Fauré / Orch. Aubert: Fantaisie, Op. 79
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Saint-Saëns: Tarentelle, Op. 6
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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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb385de3b2f8bdbd60135cbd2e284a6492310eaf592e30d72e5fa357e647770a4. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2100813.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (a) Thema. Andantino
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 158.064
  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: 0.538
  additional property: Energy
    type: PropertyValue
    value: 0.096
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.839
  additional property: Liveness
    type: PropertyValue
    value: 0.202
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.634
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.835
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (b) Variation I
type: MusicRecording
duration: PT0M50S
duration ms: 50373
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Gilbert Audin
by artist: Radovan Vlatkovic
by artist: François Leleux
by artist: Orchestre de chambre de Paris
in album: Mozart & Flute in Paris
  type: MusicAlbum
  date published: 2021-07-09
genre: classical
genre: classical-era
isrc code: GBAYC2100814
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T13:55:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6a27e6ded3cf43d426f1a19d92a86a3a800f68d6da604fd94e23dd7ed08bb978
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/GBAYC2100814
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 0x6a27e6ded3cf43d426f1a19d92a86a3a800f68d6da604fd94e23dd7ed08bb978. 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/GBAYC2100814.
  date published: 2026-07-08T03:20:19Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (b) Variation I
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.796
  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: 0.497
  additional property: Energy
    type: PropertyValue
    value: 0.091
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.951
  additional property: Liveness
    type: PropertyValue
    value: 0.155
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.395
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.097
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (c) Variation II
type: MusicRecording
duration: PT0M53S
duration ms: 53466
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Gilbert Audin
by artist: Radovan Vlatkovic
by artist: François Leleux
by artist: Orchestre de chambre de Paris
in album: Mozart & Flute in Paris
  type: MusicAlbum
  date published: 2021-07-09
genre: classical
genre: classical-era
isrc code: GBAYC2100815
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T14:09:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7ffd311de64d5cc9657b9551bcfdc09567e085552a621e937e533ddf83ee8a11
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2100815
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 0x7ffd311de64d5cc9657b9551bcfdc09567e085552a621e937e533ddf83ee8a11. 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/GBAYC2100815.
  date published: 2026-07-08T03:22:41Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (c) Variation II
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.592
  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: 0.255
  additional property: Energy
    type: PropertyValue
    value: 0.066
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.97
  additional property: Liveness
    type: PropertyValue
    value: 0.159
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.283
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.436
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (d) Variation III
type: MusicRecording
duration: PT0M55S
duration ms: 55866
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Gilbert Audin
by artist: Radovan Vlatkovic
by artist: François Leleux
by artist: Orchestre de chambre de Paris
in album: Mozart & Flute in Paris
  type: MusicAlbum
  date published: 2021-07-09
genre: classical
genre: classical-era
isrc code: GBAYC2100816
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T14:07:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4f75f620aedc183a7f2c858ac6adc7126e1216265e811db60fa9d7c4927966e9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2100816
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f75f620aedc183a7f2c858ac6adc7126e1216265e811db60fa9d7c4927966e9. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2100816.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (d) Variation III
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.743
  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: 0.396
  additional property: Energy
    type: PropertyValue
    value: 0.108
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.887
  additional property: Liveness
    type: PropertyValue
    value: 0.136
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.461
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.391
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (e) Variation IV
type: MusicRecording
duration: PT0M53S
duration ms: 53773
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Gilbert Audin
by artist: Radovan Vlatkovic
by artist: François Leleux
by artist: Orchestre de chambre de Paris
in album: Mozart & Flute in Paris
  type: MusicAlbum
  date published: 2021-07-09
genre: classical
genre: classical-era
isrc code: GBAYC2100817
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T14:01:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa191da24c82fcafc85b76f1fbc54728b2dc0eeb25b7707225f0a0c5cf1f5ca79
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2100817
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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 0xa191da24c82fcafc85b76f1fbc54728b2dc0eeb25b7707225f0a0c5cf1f5ca79. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/GBAYC2100817.
  date published: 2026-07-08T08:56:20Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (e) Variation IV
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.465
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.299
  additional property: Energy
    type: PropertyValue
    value: 0.112
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.839
  additional property: Liveness
    type: PropertyValue
    value: 0.192
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.401
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.164
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (f) Variation V
type: MusicRecording
duration: PT0M49S
duration ms: 49960
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Gilbert Audin
by artist: Radovan Vlatkovic
by artist: François Leleux
by artist: Orchestre de chambre de Paris
in album: Mozart & Flute in Paris
  type: MusicAlbum
  date published: 2021-07-09
genre: classical
genre: classical-era
isrc code: GBAYC2100818
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T14:02:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1cd32c64c84c6673d2eec0b521d63a77aee5727098b55cb25722a00350f5fe4b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957052
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957052
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2100818
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:50:41Z
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 0x1cd32c64c84c6673d2eec0b521d63a77aee5727098b55cb25722a00350f5fe4b. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/GBAYC2100818.
  date published: 2026-07-07T14:50:41Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (f) Variation V
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.761
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.475
  additional property: Energy
    type: PropertyValue
    value: 0.115
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.947
  additional property: Liveness
    type: PropertyValue
    value: 0.299
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.65
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.378
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (g) Variation VI
type: MusicRecording
duration: PT1M1S
duration ms: 61693
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Gilbert Audin
by artist: Radovan Vlatkovic
by artist: François Leleux
by artist: Orchestre de chambre de Paris
in album: Mozart & Flute in Paris
  type: MusicAlbum
  date published: 2021-07-09
genre: classical
genre: classical-era
isrc code: GBAYC2100819
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T14:01:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc2326b63db21de62989920955a95af09bc8070880376d574c03415a10d4f3067
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2100819
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2326b63db21de62989920955a95af09bc8070880376d574c03415a10d4f3067. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2100819.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (g) Variation VI
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.971
  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: 0.318
  additional property: Energy
    type: PropertyValue
    value: 0.086
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.924
  additional property: Liveness
    type: PropertyValue
    value: 0.153
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.351
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.221
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (h) Variation VII
type: MusicRecording
duration: PT0M55S
duration ms: 55386
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Gilbert Audin
by artist: Radovan Vlatkovic
by artist: François Leleux
by artist: Orchestre de chambre de Paris
in album: Mozart & Flute in Paris
  type: MusicAlbum
  date published: 2021-07-09
genre: classical
genre: classical-era
isrc code: GBAYC2100820
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T14:07:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc773fbf6b71bb261a0b35948a3f1ea20ea45488a724d0e8705be20033a8d467d
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/GBAYC2100820
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 0xc773fbf6b71bb261a0b35948a3f1ea20ea45488a724d0e8705be20033a8d467d. 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/GBAYC2100820.
  date published: 2026-07-08T03:20:19Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (h) Variation VII
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 3
  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
    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: 0.585
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.075
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (i) Variation VIII
type: MusicRecording
duration: PT0M48S
duration ms: 48840
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Gilbert Audin
by artist: Radovan Vlatkovic
by artist: François Leleux
by artist: Orchestre de chambre de Paris
in album: Mozart & Flute in Paris
  type: MusicAlbum
  date published: 2021-07-09
genre: classical
genre: classical-era
isrc code: GBAYC2100821
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa22c04313a70cd44ee6bd7333edbccf91495677fdd00df1ffd15944385f0278e
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2100821
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa22c04313a70cd44ee6bd7333edbccf91495677fdd00df1ffd15944385f0278e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2100821.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (i) Variation VIII
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 158.212
  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: 0.477
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.076
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.921
  additional property: Liveness
    type: PropertyValue
    value: 0.186
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.773
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.265
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (j) Variation IX
type: MusicRecording
duration: PT0M54S
duration ms: 54400
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Gilbert Audin
by artist: Radovan Vlatkovic
by artist: François Leleux
by artist: Orchestre de chambre de Paris
in album: Mozart & Flute in Paris
  type: MusicAlbum
  date published: 2021-07-09
genre: classical
genre: classical-era
isrc code: GBAYC2100822
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T11:07:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x364ff31b285b7f05ef7f906706ab2bb5c3031c097356391e800f41127167e247
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/GBAYC2100822
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 0x364ff31b285b7f05ef7f906706ab2bb5c3031c097356391e800f41127167e247. 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/GBAYC2100822.
  date published: 2026-07-08T03:20:19Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (j) Variation IX
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.968
  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: 0.27
  additional property: Energy
    type: PropertyValue
    value: 0.094
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.905
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.338
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.598
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (k) Variation X. Adagio
type: MusicRecording
duration: PT1M19S
duration ms: 79733
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Gilbert Audin
by artist: Radovan Vlatkovic
by artist: François Leleux
by artist: Orchestre de chambre de Paris
in album: Mozart & Flute in Paris
  type: MusicAlbum
  date published: 2021-07-09
genre: classical
genre: classical-era
isrc code: GBAYC2100823
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T22:59:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa812ec43cba39adaff1c028a068f2eb1864acccfe9ea9000e006ee24a1d01d6f
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2100823
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa812ec43cba39adaff1c028a068f2eb1864acccfe9ea9000e006ee24a1d01d6f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2100823.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (k) Variation X. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 150.205
  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: 0.385
  additional property: Energy
    type: PropertyValue
    value: 0.139
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.933
  additional property: Liveness
    type: PropertyValue
    value: 0.241
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.245
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.462
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (l) Allegro
type: MusicRecording
duration: PT1M23S
duration ms: 83333
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Gilbert Audin
by artist: Radovan Vlatkovic
by artist: François Leleux
by artist: Orchestre de chambre de Paris
in album: Mozart & Flute in Paris
  type: MusicAlbum
  date published: 2021-07-09
genre: classical
genre: classical-era
isrc code: GBAYC2100824
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T06:09:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xca759b2aade78436a0bd6766f5b799dc123f6c8aa93e995ab42d07a68e1404fb
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/GBAYC2100824
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 0xca759b2aade78436a0bd6766f5b799dc123f6c8aa93e995ab42d07a68e1404fb. 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/GBAYC2100824.
  date published: 2026-07-08T03:20:19Z
audio: Mozart: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni: (l) Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.338
  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: 0.389
  additional property: Energy
    type: PropertyValue
    value: 0.114
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.877
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.469
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.209
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Concerto for Flute and Harp, K. 299: II. Andantino
type: MusicRecording
duration: PT8M30S
duration ms: 510933
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Anneleen Lenaerts
by artist: François Leleux
by artist: Orchestre de chambre de Paris
in album: Mozart & Flute in Paris
  type: MusicAlbum
  date published: 2021-07-09
genre: classical
genre: classical-era
isrc code: GBAYC2100515
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T07:21:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x193be45fa257d78a51501fb16c27e734edf0ae268c845fc229d11b4892a5f27c
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/GBAYC2100515
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 0x193be45fa257d78a51501fb16c27e734edf0ae268c845fc229d11b4892a5f27c. 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/GBAYC2100515.
  date published: 2026-07-02T03:55:08Z
audio: Mozart: Concerto for Flute and Harp, K. 299: II. Andantino
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.242
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.264
  additional property: Energy
    type: PropertyValue
    value: 0.092
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.926
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.144
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.38
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Concerto for Flute and Harp, K. 299: III. Rondeau
type: MusicRecording
duration: PT10M19S
duration ms: 619600
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emmanuel Pahud
by artist: Anneleen Lenaerts
by artist: François Leleux
by artist: Orchestre de chambre de Paris
in album: Mozart & Flute in Paris
  type: MusicAlbum
  date published: 2021-07-09
genre: classical
genre: classical-era
isrc code: GBAYC2100516
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:31:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa39f16ced16fc5aa0fcf3600b051b91cb37783d14a2fbd6fa184d03b8e314773
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/GBAYC2100516
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
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Stravinsky : L'histoire du soldat
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Lefrançois: Balnéaire (Chamber Music)
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Les 15 ans de Transart
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Mozart: Concertos pour hautbois, basson et clarinette
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Bréval & Devienne: Symphonies Concertantes
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Jacque-Dupont: Œuvres pour piano – Octuor
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