Ida Presti
type: MusicGroup
genre: classical-guitar
description: Ida Presti (31 May 1924 – 24 April 1967) was a French classical guitarist and composer. She first came to prominence as a child prodigy, before maturing into what Alice Artzt has called "the greatest
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album: Bach for Breakfast - The Leisurely Way to Start Your Day
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    genre: classical
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  track: Oboe Concerto in D Minor, BWV 1059R: II. Siciliano
  track: Suite for Cello Solo No. 3 in C, BWV 1009 - Guitar Transcription by Pepe Romero (1944-): 5. Bourrée I/II
  track: Sonata No.2 in E flat major, BWV 1031 - For Flute and Harp: 2. Siciliano
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  track: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
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  track: Christmas Oratorio, BWV 248 / Part Two - For the second Day of Christmas: No. 10 Sinfonia
  track: Suite No. 1 in C, BWV 1066: 4. Forlane
  track: Sonata for Flute or Violin No.4 in C, BWV 1033: 1. Andante - Presto
  track: Sonata for Flute or Violin No.4 in C, BWV 1033: 4. Menuet I - II
  track: English Suite No. 3 in G minor, BWV 808 - Transcr. for two guitars A. Lagoya: 2. Allemande
  track: Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
  track: Suite in E for Lute, BWV 1006a/1000 - Arr. Harp: 3. Gavotte en rondeau
  track: Concerto For Violin, Oboe, And Strings In D Minor, BWV 1060 - Arr. For Panpipes From Reconstruction By Max Schneider (1875- 1967): 2. Adagio
  track: Oboe d'amore Concerto in A Major, BWV 1055R: I. (Allegro moderato)
album: Ida Presti & Alexandre Lagoya, Vol. 3
album: Ida Presti & Alexandre Lagoya: Classical Music for two Guitars (2024 Remastered, Studio 1962-1967)
album: Presti: Complete Music for 2 Guitars
album: Presti & Lagoya, Vol. 2 (Live)
album: Ida Presti: Complete Solo Guitar Music (World Premiere Recording)
album: Vivaldi, Poulenc & Others: Works for Guitar
album: Ida Presti & Alexandre Lagoya, Vol. 4
album: Ida Presti & Alexandre Lagoya, Vol. 2: Recordings 1956-1961
album: Presti & Lagoya Live: Canada 1962 & 1963
album: The Works of Ida Presti for Two Guitars
album: L'Extraordinaire Duo Presti-Lagoya
album: Œuvres pour guitare (Stereo Version)
album: Œuvres pour guitare (Mono Version)
album: Duo Presti & Lagoya (Mono Version)
album: Ida Presti: Étude No. 2 - Chanson et Jeux (The LM Project)
album: Anthologie guitaristique No. 10 (Mono Version)
album: Anthologie guitaristique No. 9 (Mono Version)
album: Anthologie guitaristique No. 8 (Mono Version)
album: Anthologie guitaristique no. 7 (feat. Robert Vidal et son orchestre) [Mono Version]
album: Anthologie guitaristique No. 4 (Mono Version)
album: Anthologie guitaristique, no. 3 (feat. Robert J. Vidal) [Mono Version]
album: Anthologie guitaristique - EP (Mono Version)

English Suite No. 3 in G minor, BWV 808 - Transcr. for two guitars A. Lagoya: 2. Allemande
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audio: English Suite No. 3 in G minor, BWV 808 - Transcr. for two guitars A. Lagoya: 2. Allemande
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Jean-Baptiste Marella: Suite No. 1 in A Major, IAF 2. II. Minuetto (transcription: Alexandre Lagoya) - 2024 Remastered, Studio 1962
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T22:27:44+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Tomasco Albinoni. Remo Giazotto: Adagio in G minor (transcription: Alexandre Lagoya) - 2024 Remastered, Studio 1965
type: MusicRecording
duration: PT7M52S
duration ms: 472000
explicit: false
by artist: Tomasco Albinoni
by artist: Ida Presti
by artist: Alexandre Lagoya
in album: Ida Presti & Alexandre Lagoya: Classical Music for two Guitars (2024 Remastered, Studio 1962-1967)
  type: MusicAlbum
  date published: 2024-08-02
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf63f34fedf218535ca0c7feca6429a915efb6b83c072fe05449a3e70bf6c27ec. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/PL71Z2488434.
  date published: 2026-07-31T15:20:15Z
audio: Tomasco Albinoni. Remo Giazotto: Adagio in G minor (transcription: Alexandre Lagoya) - 2024 Remastered, Studio 1965
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.611
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.46
  additional property: Energy
    type: PropertyValue
    value: 0.156
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.893
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.912
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: PL71Z2488434
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960418
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL71Z2488434
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Alessandro Marcello: Concerto in D minor. Andante (transcription: Alexandre Lagoya) - 2024 Remastered, Studio 1965
type: MusicRecording
duration: PT4M44S
duration ms: 284000
explicit: false
by artist: Alessandro Marcello
by artist: Ida Presti
by artist: Alexandre Lagoya
in album: Ida Presti & Alexandre Lagoya: Classical Music for two Guitars (2024 Remastered, Studio 1962-1967)
  type: MusicAlbum
  date published: 2024-08-02
genre: classical-era
genre: baroque
genre: italian-baroque
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bf77212d89f9e63814b8eea223089fca058b9739b7b2d44354fc3ccd1e44b4c. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/PL71Z2488435.
  date published: 2026-07-31T12:24:41Z
audio: Alessandro Marcello: Concerto in D minor. Andante (transcription: Alexandre Lagoya) - 2024 Remastered, Studio 1965
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.957
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.448
  additional property: Energy
    type: PropertyValue
    value: 0.141
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.945
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.254
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: PL71Z2488435
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960397
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T12:24:41+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL71Z2488435
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Claude Debussy: Suite bergamasque. Clair de lune (transcription: Alexandre Lagoya) - 2024 Remastered, Studio 1962
type: MusicRecording
duration: PT5M23S
duration ms: 323000
explicit: false
by artist: Claude Debussy
by artist: Ida Presti
by artist: Alexandre Lagoya
in album: Ida Presti & Alexandre Lagoya: Classical Music for two Guitars (2024 Remastered, Studio 1962-1967)
  type: MusicAlbum
  date published: 2024-08-02
genre: classical
genre: impressionism
genre: post-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x275cd9e484534f76e9b45a00b1c10cc46c0ca268783aa4f465c273fb0453c0d7. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/PL71Z2488436.
  date published: 2026-07-31T02:19:15Z
audio: Claude Debussy: Suite bergamasque. Clair de lune (transcription: Alexandre Lagoya) - 2024 Remastered, Studio 1962
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.287
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.269
  additional property: Energy
    type: PropertyValue
    value: 0.151
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.924
  additional property: Liveness
    type: PropertyValue
    value: 0.085
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.104
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.957
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: PL71Z2488436
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960334
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL71Z2488436
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Jean-Baptiste Marella: Suite No. 1 in A Major, IAF 2. I. Andante (transcription: Alexandre Lagoya) - 2024 Remastered, Studio 1962
type: MusicRecording
duration: PT3M21S
duration ms: 201000
explicit: false
by artist: Jean-Baptiste Marella
by artist: Ida Presti
by artist: Alexandre Lagoya
in album: Ida Presti & Alexandre Lagoya: Classical Music for two Guitars (2024 Remastered, Studio 1962-1967)
  type: MusicAlbum
  date published: 2024-08-02
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b50b77d3242aa1bb5e32f98349fd12edb70a5dba70f42396c09fa70ecec7b99. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/PL71Z2488441.
  date published: 2026-07-31T15:20:15Z
audio: Jean-Baptiste Marella: Suite No. 1 in A Major, IAF 2. I. Andante (transcription: Alexandre Lagoya) - 2024 Remastered, Studio 1962
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.752
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.505
  additional property: Energy
    type: PropertyValue
    value: 0.251
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.861
  additional property: Liveness
    type: PropertyValue
    value: 0.148
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.319
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.278
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: PL71Z2488441
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Étude Joyeuse
type: MusicRecording
duration: PT7M38S
duration ms: 458142
explicit: false
by artist: Ida Presti
by artist: Carlotta Dalia
in album: Ida Presti: Complete Solo Guitar Music (World Premiere Recording)
  type: MusicAlbum
  date published: 2021-04-09
genre: classical-guitar
isrc code: ITTA12102004
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITTA12102004
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d917ced64c9572ede2c8c57f18f648c3ae56b2d3026aa890230d1c8a158b986. 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/ITTA12102004.
  date published: 2026-07-08T03:39:04Z
audio: Étude Joyeuse
  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
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Six Études: Étude IV
type: MusicRecording
duration: PT1M3S
duration ms: 63716
explicit: false
by artist: Ida Presti
by artist: Carlotta Dalia
in album: Ida Presti: Complete Solo Guitar Music (World Premiere Recording)
  type: MusicAlbum
  date published: 2021-04-09
genre: classical-guitar
isrc code: ITTA12102012
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITTA12102012
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdec21218f78e1bd77610f501f6ca322c76c4bb4ea6d106ac13aeaf8e6b5d11ad. 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/ITTA12102012.
  date published: 2026-07-08T03:53:27Z
audio: Six Études: Étude IV
  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: 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: 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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Étude d'arpèges
type: MusicRecording
duration: PT1M50S
duration ms: 110867
explicit: false
by artist: Ida Presti
by artist: Carlotta Dalia
in album: Ida Presti: Complete Solo Guitar Music (World Premiere Recording)
  type: MusicAlbum
  date published: 2021-04-09
genre: classical-guitar
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3e47f6c375e858f51fb78a320abedfee60188535bd71e16f826aa629c028aa6. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), 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/ITTA12102001.
  date published: 2026-07-31T09:25:34Z
audio: Étude d'arpèges
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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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: 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: Valence (Positivity)
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Étude II "en accords"
type: MusicRecording
duration: PT1M50S
duration ms: 110747
explicit: false
by artist: Ida Presti
by artist: Carlotta Dalia
in album: Ida Presti: Complete Solo Guitar Music (World Premiere Recording)
  type: MusicAlbum
  date published: 2021-04-09
genre: classical-guitar
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x747e47e385a7f134c2d6eebdccd249624c343cfe3742f6feb1f2b2b5aa7d6ea2. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), 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/ITTA12102002.
  date published: 2026-07-31T16:07:24Z
audio: Étude II "en accords"
  type: AudioObject
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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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isrc code: ITTA12102002
additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T16:07:24+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Étude III "en pensant à Bach"
type: MusicRecording
duration: PT4M46S
duration ms: 286470
explicit: false
by artist: Ida Presti
by artist: Carlotta Dalia
in album: Ida Presti: Complete Solo Guitar Music (World Premiere Recording)
  type: MusicAlbum
  date published: 2021-04-09
genre: classical-guitar
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e55a757740a7f5c52e896caa84fdfa439a2402b08f2378b2b4096c2a07bda39. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), 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/ITTA12102003.
  date published: 2026-08-01T00:10:46Z
audio: Étude III "en pensant à Bach"
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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: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: ITTA12102003
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Improvisation
type: MusicRecording
duration: PT4M25S
duration ms: 265236
explicit: false
by artist: Ida Presti
by artist: Carlotta Dalia
in album: Ida Presti: Complete Solo Guitar Music (World Premiere Recording)
  type: MusicAlbum
  date published: 2021-04-09
genre: classical-guitar
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddc6944c06b8b66df19c801200180f0be2cbe7059b968c3bb213da36019d0a54. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/ITTA12102006.
  date published: 2026-07-31T12:24:41Z
audio: Improvisation
  type: AudioObject
  additional property: Tempo (BPM)
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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
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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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isrc code: ITTA12102006
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Isabelle
type: MusicRecording
duration: PT7M22S
duration ms: 442903
explicit: false
by artist: Ida Presti
by artist: Carlotta Dalia
in album: Ida Presti: Complete Solo Guitar Music (World Premiere Recording)
  type: MusicAlbum
  date published: 2021-04-09
genre: classical-guitar
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x480a20cdfeed2b1c22b3dfe514afc5ada046e832cc147c04b36150caffc4dd61. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/ITTA12102007.
  date published: 2026-07-31T17:29:52Z
audio: Isabelle
  type: AudioObject
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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: 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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isrc code: ITTA12102007
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Six Études: Étude II
type: MusicRecording
duration: PT2M2S
duration ms: 122465
explicit: false
by artist: Ida Presti
by artist: Carlotta Dalia
in album: Ida Presti: Complete Solo Guitar Music (World Premiere Recording)
  type: MusicAlbum
  date published: 2021-04-09
genre: classical-guitar
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8436ac0a094b3fc0d430c688fe27e39f85afd189f0aba93065419f01b1daa03d. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/ITTA12102010.
  date published: 2026-07-31T17:29:52Z
audio: Six Études: Étude II
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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
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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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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isrc code: ITTA12102010
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITTA12102010
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960441
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Danse Rythmique
type: MusicRecording
duration: PT3M37S
duration ms: 217433
explicit: false
by artist: Ida Presti
by artist: Carlotta Dalia
in album: Ida Presti: Complete Solo Guitar Music (World Premiere Recording)
  type: MusicAlbum
  date published: 2021-04-09
genre: classical-guitar
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef6c3119f7c30bb8513af9cd2abc6025b62f0d9cdc00fc0174a5ece4ea02cfe8. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/ITTA12102015.
  date published: 2026-07-31T23:51:35Z
audio: Danse Rythmique
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.347
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.432
  additional property: Key Name
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    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: ITTA12102015
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960481
additional property: BitcoinTime
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITTA12102015
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960481
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:51:35+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Segovia
type: MusicRecording
duration: PT6M34S
duration ms: 394163
explicit: false
by artist: Ida Presti
by artist: Carlotta Dalia
in album: Ida Presti: Complete Solo Guitar Music (World Premiere Recording)
  type: MusicAlbum
  date published: 2021-04-09
genre: classical-guitar
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b8ed0964e0aa835a0169e6035b96f7accf63cbe7a0b6a366ba65216b88efaa9. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), 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/ITTA12102016.
  date published: 2026-07-31T16:33:26Z
audio: Segovia
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.339
  additional property: Energy
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    value: 0.155
  additional property: Speechiness
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additional property: OTSVerificationAPI
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Adagio in G Minor for Organ and Strings (Transcr. for two guitars by A. Lagoya)
type: MusicRecording
duration: PT7M44S
duration ms: 464000
explicit: false
by artist: Tomaso Albinoni
by artist: Remo Giazotto
by artist: Alexandre Lagoya
by artist: Ida Presti
in album: L'Extraordinaire Duo Presti-Lagoya
  type: MusicAlbum
  date published: 2006-01-01
popularity: 5
genre: classical
isrc code: FRZ036501870
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
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ036501870
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10ac102d369893ce991bc387aa6c0b94ab366fe2233674366b48c162ca975b73. 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/FRZ036501870.
  date published: 2026-07-07T14:50:41Z
audio: Adagio in G Minor for Organ and Strings (Transcr. for two guitars by A. Lagoya)
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Sonata in E major, K.380 (Arr. for two guitars)
type: MusicRecording
duration: PT5M5S
duration ms: 305000
explicit: false
by artist: Domenico Scarlatti
by artist: Alexandre Lagoya
by artist: Ida Presti
in album: L'Extraordinaire Duo Presti-Lagoya
  type: MusicAlbum
  date published: 2006-01-01
popularity: 7
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
isrc code: FRZ037102500
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ037102500
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57+00:00
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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x931552f15be1342cc1fbbde7d4aee700303cb7b1b0d9380d4e373d139b15b4e8. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ037102500.
  date published: 2026-07-07T18:39:05Z
audio: Sonata in E major, K.380 (Arr. for two guitars)
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  additional property: Tempo (BPM)
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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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Sonata in B minor, K.173 (Transcr. in D minor and Arr. by A. Lagoya)
type: MusicRecording
duration: PT4M15S
duration ms: 255000
explicit: false
by artist: Domenico Scarlatti
by artist: Alexandre Lagoya
by artist: Ida Presti
in album: L'Extraordinaire Duo Presti-Lagoya
  type: MusicAlbum
  date published: 2006-01-01
popularity: 6
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
isrc code: FRZ036502660
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956891
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ036502660
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:16:32Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x795b14d86ada3a9d221836bdd66c4e74155b3830b9fe4704205c2448454e5270. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ036502660.
  date published: 2026-07-06T07:16:32Z
audio: Sonata in B minor, K.173 (Transcr. in D minor and Arr. by A. Lagoya)
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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La vida breve - Transcr. for two guitars A. Lagoya: Danza española No. 1
type: MusicRecording
duration: PT3M23S
duration ms: 203000
explicit: false
by artist: Manuel de Falla
by artist: Alexandre Lagoya
by artist: Ida Presti
in album: L'Extraordinaire Duo Presti-Lagoya
  type: MusicAlbum
  date published: 2006-01-01
popularity: 2
isrc code: FRZ036301800
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:06:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x209d9c91cac5a17abf54f0f5822c476cbf55b1075a04fea31dfc2d00d090a2df
additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/FRZ036301800
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x209d9c91cac5a17abf54f0f5822c476cbf55b1075a04fea31dfc2d00d090a2df. 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/FRZ036301800.
  date published: 2026-07-08T03:53:27Z
audio: La vida breve - Transcr. for two guitars A. Lagoya: Danza española No. 1
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  additional property: Key Name
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Liveness
type: PropertyValue
value: 0.141

Valence (Positivity)
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value: 0.087

Loudness (dB)
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value: -24.723

Key Name
type: PropertyValue
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Mode Name
type: PropertyValue
value: Major

Oboe Concerto in D Minor, BWV 1059R: II. Siciliano
type: MusicRecording
duration: PT3M8S
duration ms: 188000
explicit: false
by artist: Johann Sebastian Bach
by artist: Heinz Holliger
by artist: Academy of St. Martin in the Fields
by artist: Iona Brown
in album: Bach for Breakfast - The Leisurely Way to Start Your Day
  type: MusicAlbum
  date published: 1995-06-13
genre: classical
genre: classical-piano
isrc code: NLA508119405
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508119405
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
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 0x9dc016a145e30b5dba010d1dea3a05a739b8c395de2607af89fb9246ed1e007c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/NLA508119405.
  date published: 2026-06-13T15:41:10Z
audio: Oboe Concerto in D Minor, BWV 1059R: II. Siciliano
  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
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  additional property: Energy
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    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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Suite for Cello Solo No. 3 in C, BWV 1009 - Guitar Transcription by Pepe Romero (1944-): 5. Bourrée I/II
type: MusicRecording
duration: PT3M40S
duration ms: 220000
explicit: false
by artist: Johann Sebastian Bach
by artist: Pepe Romero
in album: Bach for Breakfast - The Leisurely Way to Start Your Day
  type: MusicAlbum
  date published: 1995-06-13
genre: classical
genre: classical-piano
isrc code: NLA508101710
additional property: CopyrightID
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508101710
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 0xb638387f345f599a4280991b7af5dfa4f0ef99757ea932c98542962705dc1848. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/NLA508101710.
  date published: 2026-06-13T15:41:10Z
audio: Suite for Cello Solo No. 3 in C, BWV 1009 - Guitar Transcription by Pepe Romero (1944-): 5. Bourrée I/II
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Danceability
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Sonata No.2 in E flat major, BWV 1031 - For Flute and Harp: 2. Siciliano
type: MusicRecording
duration: PT2M13S
duration ms: 133000
explicit: false
by artist: Johann Sebastian Bach
by artist: Irena Grafenauer
by artist: Maria Graf
in album: Bach for Breakfast - The Leisurely Way to Start Your Day
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  date published: 1995-06-13
genre: classical
genre: classical-piano
isrc code: NLA508702310
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e645b5ec516d355ad4d0a23905b9a49a62717ee8351c5bc79a27033c5044749. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/NLA508702310.
  date published: 2026-06-13T15:41:10Z
audio: Sonata No.2 in E flat major, BWV 1031 - For Flute and Harp: 2. Siciliano
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Sonata No.2 in E flat major, BWV 1031 - For Flute and Harp: 1. Allegro moderato
type: MusicRecording
duration: PT3M17S
duration ms: 197000
explicit: false
by artist: Johann Sebastian Bach
by artist: Irena Grafenauer
by artist: Maria Graf
in album: Bach for Breakfast - The Leisurely Way to Start Your Day
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  date published: 1995-06-13
genre: classical
genre: classical-piano
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additional property: CopyrightID
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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/NLA508702309
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd3f1d14fe288dcfe19d6fa2f2153f68f18d6bedbf10f5f80fcaf792bcfd5de7. 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/NLA508702309.
  date published: 2026-06-13T13:32:09Z
audio: Sonata No.2 in E flat major, BWV 1031 - For Flute and Harp: 1. Allegro moderato
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
type: MusicRecording
duration: PT4M7S
duration ms: 247000
explicit: false
by artist: Johann Sebastian Bach
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Bach for Breakfast - The Leisurely Way to Start Your Day
  type: MusicAlbum
  date published: 1995-06-13
genre: classical
genre: classical-piano
isrc code: NLA507921517
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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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
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507921517
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81d73e5dc60d91ac670eaf17750525a34d38d469aab7369acbc10bd8909311d8. 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/NLA507921517.
  date published: 2026-06-13T13:32:09Z
audio: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
  type: AudioObject
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Sonata for Violin or Flute and Continuo, No.1 in G Minor BWV 1020 - arr. Flute, Harp, and Cello: 1. (Allegro)
type: MusicRecording
duration: PT3M56S
duration ms: 236000
explicit: false
by artist: Johann Sebastian Bach
by artist: Irena Grafenauer
by artist: Maria Graf
by artist: David Geringas
in album: Bach for Breakfast - The Leisurely Way to Start Your Day
  type: MusicAlbum
  date published: 1995-06-13
genre: classical
genre: classical-piano
isrc code: NLA508702319
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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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
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508702319
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 0xc57fa9be03354f64dd5e89c0292b34156020672ae8c87c130c0e559bdcc7280c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/NLA508702319.
  date published: 2026-06-13T15:41:10Z
audio: Sonata for Violin or Flute and Continuo, No.1 in G Minor BWV 1020 - arr. Flute, Harp, and Cello: 1. (Allegro)
  type: AudioObject
  additional property: Tempo (BPM)
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Sonata for Violin or Flute and Continuo, No.1 in G Minor BWV 1020 - arr. Flute, Harp, and Cello: 2. Adagio
type: MusicRecording
duration: PT3M5S
duration ms: 185000
explicit: false
by artist: Johann Sebastian Bach
by artist: Irena Grafenauer
by artist: Maria Graf
by artist: David Geringas
in album: Bach for Breakfast - The Leisurely Way to Start Your Day
  type: MusicAlbum
  date published: 1995-06-13
genre: classical
genre: classical-piano
isrc code: NLA508702320
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
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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 0xc195b7ede2fb0e29ceeb2e07572cefd96418388e27fd3a108257f0099ddafe6c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508702320.
  date published: 2026-06-13T17:25:41Z
audio: Sonata for Violin or Flute and Continuo, No.1 in G Minor BWV 1020 - arr. Flute, Harp, and Cello: 2. Adagio
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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    type: PropertyValue
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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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    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Christmas Oratorio, BWV 248 / Part Two - For the second Day of Christmas: No. 10 Sinfonia
type: MusicRecording
duration: PT2M22S
duration ms: 142000
explicit: false
by artist: Johann Sebastian Bach
by artist: Academy of St Martin in the Fields Chorus
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: Bach for Breakfast - The Leisurely Way to Start Your Day
  type: MusicAlbum
  date published: 1995-06-13
genre: classical
genre: classical-piano
isrc code: NLA509315205
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509315205
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 0xd480deaeab3383b4ad38934cdc9bc2e523cd0bc9ab8427ee96e4dd3aa7780bee. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509315205.
  date published: 2026-06-13T17:25:41Z
audio: Christmas Oratorio, BWV 248 / Part Two - For the second Day of Christmas: No. 10 Sinfonia
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Suite No. 1 in C, BWV 1066: 4. Forlane
type: MusicRecording
duration: PT1M39S
duration ms: 99000
explicit: false
by artist: Johann Sebastian Bach
by artist: English Chamber Orchestra
by artist: Raymond Leppard
in album: Bach for Breakfast - The Leisurely Way to Start Your Day
  type: MusicAlbum
  date published: 1995-06-13
genre: classical
genre: classical-piano
isrc code: NLA506800458
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T08:03:30+00:00
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
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506800458
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94df10132595206e89e883edfd56de36985bf3b658df84b3871a069c55adca07. 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/NLA506800458.
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Sonata for Flute or Violin No.4 in C, BWV 1033: 1. Andante - Presto
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Sonata for Flute or Violin No.4 in C, BWV 1033: 4. Menuet I - II
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Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
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Suite in E for Lute, BWV 1006a/1000 - Arr. Harp: 3. Gavotte en rondeau
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Concerto For Violin, Oboe, And Strings In D Minor, BWV 1060 - Arr. For Panpipes From Reconstruction By Max Schneider (1875- 1967): 2. Adagio
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Oboe d'amore Concerto in A Major, BWV 1055R: I. (Allegro moderato)
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Ida Presti & Alexandre Lagoya, Vol. 3
type: MusicAlbum
date published: 2015-03-03

Ida Presti & Alexandre Lagoya: Classical Music for two Guitars (2024 Remastered, Studio 1962-1967)
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track: Jean-Baptiste Marella: Suite No. 1 in A Major, IAF 2. II. Minuetto (transcription: Alexandre Lagoya) - 2024 Remastered, Studio 1962
track: Mario Castelnuovo-Tedesco: Prelude & Fugue in E Major - 2024 Remastered, Studio 1966
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track: Alessandro Marcello: Concerto in D minor. Andante (transcription: Alexandre Lagoya) - 2024 Remastered, Studio 1965
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Presti: Complete Music for 2 Guitars
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date published: 2023-10-30

Presti & Lagoya, Vol. 2 (Live)
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date published: 2023-05-12

Ida Presti: Complete Solo Guitar Music (World Premiere Recording)
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date published: 2021-04-09
track: Étude Joyeuse
track: Six Études: Étude IV
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track: Étude II "en accords"
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track: Improvisation
track: Isabelle
track: Six Études: Étude II
track: Danse Rythmique
track: Segovia

Vivaldi, Poulenc & Others: Works for Guitar
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date published: 2020-08-07

Ida Presti & Alexandre Lagoya, Vol. 4
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date published: 2016-05-06

Ida Presti & Alexandre Lagoya, Vol. 2: Recordings 1956-1961
type: MusicAlbum
date published: 2013-01-01

Presti & Lagoya Live: Canada 1962 & 1963
type: MusicAlbum
date published: 2012

The Works of Ida Presti for Two Guitars
type: MusicAlbum
date published: 2009-10-05

L'Extraordinaire Duo Presti-Lagoya
type: MusicAlbum
date published: 2006-01-01
track: Adagio in G Minor for Organ and Strings (Transcr. for two guitars by A. Lagoya)
track: Sonata in E major, K.380 (Arr. for two guitars)
track: Sonata in B minor, K.173 (Transcr. in D minor and Arr. by A. Lagoya)
track: La vida breve - Transcr. for two guitars A. Lagoya: Danza española No. 1

Œuvres pour guitare (Stereo Version)
type: MusicAlbum
date published: 1962-01-01

Œuvres pour guitare (Mono Version)
type: MusicAlbum
date published: 1962-01-01

Duo Presti & Lagoya (Mono Version)
type: MusicAlbum
date published: 1961-01-01

Ida Presti: Étude No. 2 - Chanson et Jeux (The LM Project)
type: MusicAlbum
date published: 2022-05-19

Anthologie guitaristique No. 10 (Mono Version)
type: MusicAlbum
date published: 1958-01-01

Anthologie guitaristique No. 9 (Mono Version)
type: MusicAlbum
date published: 1957-01-01

Anthologie guitaristique No. 8 (Mono Version)
type: MusicAlbum
date published: 1957-01-01

Anthologie guitaristique no. 7 (feat. Robert Vidal et son orchestre) [Mono Version]
type: MusicAlbum
date published: 1956-01-01

Anthologie guitaristique No. 4 (Mono Version)
type: MusicAlbum
date published: 1956

Anthologie guitaristique, no. 3 (feat. Robert J. Vidal) [Mono Version]
type: MusicAlbum
date published: 1955-01-01

Anthologie guitaristique - EP (Mono Version)
type: MusicAlbum
date published: 1955