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album: Beethoven: Violin Concerto in D Major, Op. 61 (Cadenzas: Wieniawski / Dueñas)
album: Beethoven: Violin Concerto in D Major, Op. 61 (Cadenzas: Saint-Saëns / Dueñas)
album: Beethoven: Violin Concerto in D Major, Op. 61 (Cadenzas: Ysaÿe / Dueñas)
album: Gabriela Ortiz: Revolución diamantina
album: Ortiz: Altar de Cuerda
album: Beethoven: Violin Concerto in D Major, Op. 61 (Cadenzas: Spohr / Dueñas)
album: Beethoven and Beyond
album: 100 Great Musical Moments
album: Kreisler: Liebesleid, Old Viennese Dance No. 2 (Arr. Fougeray for Violin and Guitar)
album: Spohr: Symphonie Concertante for Violin, Harp and Orchestra in G Major, WoO 13: II. Adagio
album: Paganini: 24 Caprices — Caprices by Berlioz, Cervelló, Kreisler, Ortiz, Saint-Saëns, Sarasate, Wieniawski
album: Paganini: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 9 in E Major "La chasse". Allegretto
album: Paganini: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 24 in A Minor. Tema con variazioni. Quasi presto
album: Kreisler: Caprice viennois, Op. 2 (Arr. Fougeray for Violin and Guitar)
album: Gargiulo: Sonata No. 4 for Violin and Piano "From the Window"
album: Traditional: El cant dels ocells (Arr. Dueñas for Violin and Piano)
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album: Vivaldi: The Four Seasons / Violin Concerto in G Minor, RV 315 "Summer": III. Presto (Musical Moments)
album: Dueñas: Homage 1770
album: Piazzolla: María De Buenos Aires: Yo soy María
album: Beethoven: Violin Concerto in D Major, Op. 61: II. Larghetto (Cadenza: Dueñas)
album: Ysaÿe: Berceuse, Op. 20
album: Lalo: 2 Impromptus, Op. 4: I. Espérance
album: Fauré: 3 Songs, Op. 7: I. Après un rêve (Version for Violin and Piano)
album: Best Classical Music in Anime
album: Compositores de América

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type: MusicAlbum
date published: 2023-06-16
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  additional property: OTSVerifyInstructions
    type: PropertyValue
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T08:26:41Z
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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date published: 2023-06-02
track: Violin Concerto in D Major, Op. 61: I. Allegro ma non troppo (Cadenza: Ysaÿe)
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-30T12:45:34Z
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:20:19Z
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date published: 2024-06-07
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-06-13T13:32:09Z
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
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  by artist: Los Angeles Philharmonic
  by artist: Gustavo Dudamel
  by artist: María Dueñas
  in album: Gabriela Ortiz: Revolución diamantina
    type: MusicAlbum
    date published: 2024-06-07
  popularity: 7
  genre: mexican-classical
  isrc code: US23A1574502
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Altar de cuerda: III. Maya déco
track: Kauyumari
track: Revolución diamantina, Act I. The sounds cats make
track: Revolución diamantina, Act II: We don't love each other
track: Revolución diamantina, Act III: Borders and bodies
track: Revolución diamantina, Act IV: Speaking the unspeakable
track: Revolución diamantina, Act V: Pink glitter
track: Revolución diamantina, Act VI: Todas

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-20T19:38:44+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x1dae13803ea57639e496520523f9559e0641a864ab90f2494348f5891236ffbf

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956302

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956302

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US23A1574502

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:30:09Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dae13803ea57639e496520523f9559e0641a864ab90f2494348f5891236ffbf. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US23A1574502 — a six-check JSON result.
date published: 2026-07-02T03:30:09Z

Altar de cuerda: III. Maya déco
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
  type: PropertyValue
  value: 10
additional property: Mode (Major/Minor)
  type: PropertyValue
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additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.412
additional property: Energy
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additional property: Speechiness
  type: PropertyValue
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additional property: Acousticness
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additional property: Instrumentalness
  type: PropertyValue
  value: 0.173
additional property: Liveness
  type: PropertyValue
  value: 0.043
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.225
additional property: Loudness (dB)
  type: PropertyValue
  value: -17.661
additional property: Key Name
  type: PropertyValue
  value: Bb
additional property: Mode Name
  type: PropertyValue
  value: Major

Kauyumari
type: MusicRecording
duration: PT7M23S
duration ms: 443666
explicit: false
by artist: Gabriela Ortiz
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
in album: Gabriela Ortiz: Revolución diamantina
  type: MusicAlbum
  date published: 2024-06-07
popularity: 8
genre: mexican-classical
isrc code: US23A1582281
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T05:01:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2f82dd14728a19e13dbbf9636fee826baffce0f540b7663ece3ce529e7d83602
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US23A1582281
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f82dd14728a19e13dbbf9636fee826baffce0f540b7663ece3ce529e7d83602. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US23A1582281 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Kauyumari
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 173.736
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.328
  additional property: Energy
    type: PropertyValue
    value: 0.456
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.654
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.909
  additional property: Liveness
    type: PropertyValue
    value: 0.077
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.292
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.171
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Revolución diamantina, Act I. The sounds cats make
type: MusicRecording
duration: PT9M14S
duration ms: 554893
explicit: false
by artist: Gabriela Ortiz
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
by artist: Los Angeles Master Chorale
in album: Gabriela Ortiz: Revolución diamantina
  type: MusicAlbum
  date published: 2024-06-07
popularity: 9
genre: mexican-classical
isrc code: US23A1582282
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T07:58:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3ac2b05b54da985a3c3e5e9b8ab3d43c65fff6aa87faf7ec140c3fdeee855645
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US23A1582282
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ac2b05b54da985a3c3e5e9b8ab3d43c65fff6aa87faf7ec140c3fdeee855645. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US23A1582282 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Revolución diamantina, Act I. The sounds cats make
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.488
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.389
  additional property: Energy
    type: PropertyValue
    value: 0.488
  additional property: Speechiness
    type: PropertyValue
    value: 0.072
  additional property: Acousticness
    type: PropertyValue
    value: 0.721
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.425
  additional property: Liveness
    type: PropertyValue
    value: 0.228
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.138
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.933
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Revolución diamantina, Act II: We don't love each other
type: MusicRecording
duration: PT5M29S
duration ms: 329720
explicit: false
by artist: Gabriela Ortiz
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
by artist: Los Angeles Master Chorale
in album: Gabriela Ortiz: Revolución diamantina
  type: MusicAlbum
  date published: 2024-06-07
popularity: 17
genre: mexican-classical
isrc code: US23A1582283
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T09:30:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x27b07b1532cd0ffe793a894bc338ab410287282824e15a9ba3190ee446d0e83f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US23A1582283
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27b07b1532cd0ffe793a894bc338ab410287282824e15a9ba3190ee446d0e83f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US23A1582283 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Revolución diamantina, Act II: We don't love each other
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.441
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.158
  additional property: Energy
    type: PropertyValue
    value: 0.113
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.953
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.953
  additional property: Liveness
    type: PropertyValue
    value: 0.339
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.029
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.327
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Revolución diamantina, Act III: Borders and bodies
type: MusicRecording
duration: PT8M30S
duration ms: 510520
explicit: false
by artist: Gabriela Ortiz
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
by artist: Los Angeles Master Chorale
in album: Gabriela Ortiz: Revolución diamantina
  type: MusicAlbum
  date published: 2024-06-07
popularity: 6
genre: mexican-classical
isrc code: US23A1582284
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T09:27:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x64f9067709e5ed3023247c10eed9576a1a55bcbbbc4699d08ec1caddfa0683d7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US23A1582284
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64f9067709e5ed3023247c10eed9576a1a55bcbbbc4699d08ec1caddfa0683d7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US23A1582284 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Revolución diamantina, Act III: Borders and bodies
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.207
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.379
  additional property: Energy
    type: PropertyValue
    value: 0.426
  additional property: Speechiness
    type: PropertyValue
    value: 0.073
  additional property: Acousticness
    type: PropertyValue
    value: 0.48
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.831
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.168
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.902
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Revolución diamantina, Act IV: Speaking the unspeakable
type: MusicRecording
duration: PT5M19S
duration ms: 319560
explicit: false
by artist: Gabriela Ortiz
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
by artist: Los Angeles Master Chorale
in album: Gabriela Ortiz: Revolución diamantina
  type: MusicAlbum
  date published: 2024-06-07
popularity: 5
genre: mexican-classical
isrc code: US23A1582285
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T04:09:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x78518c4411846e624c9355f5a1b88d22dceb05818114de2c3d56cf553e4876bb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US23A1582285
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78518c4411846e624c9355f5a1b88d22dceb05818114de2c3d56cf553e4876bb. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US23A1582285 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Revolución diamantina, Act IV: Speaking the unspeakable
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.702
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.363
  additional property: Energy
    type: PropertyValue
    value: 0.554
  additional property: Speechiness
    type: PropertyValue
    value: 0.083
  additional property: Acousticness
    type: PropertyValue
    value: 0.87
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.873
  additional property: Liveness
    type: PropertyValue
    value: 0.067
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.252
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.05
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Revolución diamantina, Act V: Pink glitter
type: MusicRecording
duration: PT7M21S
duration ms: 441600
explicit: false
by artist: Gabriela Ortiz
by artist: Los Angeles Philharmonic
by artist: Gustavo Dudamel
by artist: Los Angeles Master Chorale
in album: Gabriela Ortiz: Revolución diamantina
  type: MusicAlbum
  date published: 2024-06-07
popularity: 6
genre: mexican-classical
isrc code: US23A1582286
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T05:35:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa73f76b7d96930ff4d7033768170be305dfe4cbc601fc40f60365fab9f03cf22
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US23A1582286
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Revolución diamantina, Act V: Pink glitter
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Revolución diamantina, Act VI: Todas
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Revolución diamantina, Act VI: Todas
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Ortiz: Altar de Cuerda
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  subject of: OpenTimestamps Proof of Existence
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track: Altar de cuerda: II. Canto abierto
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Altar de cuerda: III. Maya déco
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

Altar de cuerda: III. Maya déco
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  subject of: OpenTimestamps Proof of Existence
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
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track: Violin Concerto in D Major, Op. 61: II. Larghetto (Cadenza: Dueñas)
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    date published: 2026-07-02T03:30:09Z
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  subject of: OpenTimestamps Proof of Existence
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track: Symphonie Concertante for Violin, Harp and Orchestra in G Major, WoO 13: II. Adagio
track: Berceuse, Op. 20
track: Havanaise, Op. 83, R. 202
track: Légende, Op. 17
track: 3 Old Viennese Dances: No. 2, Liebesleid (Transcr. for Violin and Orchestra)
track: Cadenza (to Beethoven: Violin Concerto in D Major, Op. 61: I. Allegro ma non troppo)

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

Violin Concerto in D Major, Op. 61: III. Rondo. Allegro (Cadenza: Dueñas)
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Symphonie Concertante for Violin, Harp and Orchestra in G Major, WoO 13: II. Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Berceuse, Op. 20
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Havanaise, Op. 83, R. 202
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Légende, Op. 17
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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3 Old Viennese Dances: No. 2, Liebesleid (Transcr. for Violin and Orchestra)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
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Cadenza (to Beethoven: Violin Concerto in D Major, Op. 61: I. Allegro ma non troppo)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Cadenza (to Beethoven: Violin Concerto in D Major, Op. 61: I. Allegro ma non troppo)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Cadenza (to Beethoven: Violin Concerto in D Major, Op. 61: I. Allegro ma non troppo)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T17:48:40Z
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Cadenza (to Beethoven: Violin Concerto in D Major, Op. 61: I. Allegro ma non troppo)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T15:38:35Z
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Cadenza (to Beethoven: Violin Concerto in D Major, Op. 61: I. Allegro ma non troppo)
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100 Great Musical Moments
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date published: 2024-09-06
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  subject of: OpenTimestamps Proof of Existence
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T12:53:06Z
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Spohr: Symphonie Concertante for Violin, Harp and Orchestra in G Major, WoO 13: II. Adagio
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T12:47:07Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T13:32:09Z
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  subject of: OpenTimestamps Proof of Existence
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track: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 5 in A Minor. Agitato
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track: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 8 in E-Flat Major. Maestoso
track: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 9 in E Major "La chasse". Allegretto
track: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 10 in G Minor. Vivace
track: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 11 in C Major. Andante – Presto
track: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 12 in A-Flat Major. Allegro
track: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 13 in B-Flat Major "The Devil's Laughter". Allegro
track: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 14 in E-Flat Major. Moderato
track: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 15 in E Minor. Posato
track: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 16 in G Minor. Presto
track: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 17 in E-Flat Major. Sostenuto – Andante
track: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 18 in C Major. Corrente. Allegro
track: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 19 in E-Flat Major. Lento – Allegro assai
track: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 20 in D Major. Allegretto
track: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 21 in A Major. Amoroso
track: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 22 in F Major. Marcato
track: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 23 in E-Flat Major. Posato
track: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 24 in A Minor. Tema con variazioni. Quasi presto
track: Caprice basque, Op. 24
track: Recitativo and Scherzo-Caprice, Op. 6
track: Caprice viennois, Op. 2 (Arr. Fougeray for Violin and Guitar): I. Allegro molto moderato
track: Caprice viennois, Op. 2 (Arr. Fougeray for Violin and Guitar): II. Andante con moto
track: Caprice viennois, Op. 2 (Arr. Fougeray for Violin and Guitar): III. Presto
track: Milstein Caprice
track: Études-Caprices for 2 Violins, Op. 18: No. 2 in E-Flat Major
track: De cuerda y madera
track: Caprice andalous, Op. 122
track: Rêverie et caprice, H. 88
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24 Caprices for Solo Violin, Op. 1, MS 25: No. 5 in A Minor. Agitato
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24 Caprices for Solo Violin, Op. 1, MS 25: No. 6 in G Minor "The Trill'. [Adagio]
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24 Caprices for Solo Violin, Op. 1, MS 25: No. 7 in A Minor. Posato
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24 Caprices for Solo Violin, Op. 1, MS 25: No. 8 in E-Flat Major. Maestoso
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24 Caprices for Solo Violin, Op. 1, MS 25: No. 9 in E Major "La chasse". Allegretto
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subject of: OpenTimestamps Proof of Existence
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24 Caprices for Solo Violin, Op. 1, MS 25: No. 10 in G Minor. Vivace
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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24 Caprices for Solo Violin, Op. 1, MS 25: No. 11 in C Major. Andante – Presto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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24 Caprices for Solo Violin, Op. 1, MS 25: No. 12 in A-Flat Major. Allegro
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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24 Caprices for Solo Violin, Op. 1, MS 25: No. 13 in B-Flat Major "The Devil's Laughter". Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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24 Caprices for Solo Violin, Op. 1, MS 25: No. 14 in E-Flat Major. Moderato
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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24 Caprices for Solo Violin, Op. 1, MS 25: No. 15 in E Minor. Posato
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subject of: OpenTimestamps Proof of Existence
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24 Caprices for Solo Violin, Op. 1, MS 25: No. 16 in G Minor. Presto
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24 Caprices for Solo Violin, Op. 1, MS 25: No. 17 in E-Flat Major. Sostenuto – Andante
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24 Caprices for Solo Violin, Op. 1, MS 25: No. 18 in C Major. Corrente. Allegro
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24 Caprices for Solo Violin, Op. 1, MS 25: No. 19 in E-Flat Major. Lento – Allegro assai
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24 Caprices for Solo Violin, Op. 1, MS 25: No. 20 in D Major. Allegretto
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24 Caprices for Solo Violin, Op. 1, MS 25: No. 21 in A Major. Amoroso
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24 Caprices for Solo Violin, Op. 1, MS 25: No. 22 in F Major. Marcato
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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24 Caprices for Solo Violin, Op. 1, MS 25: No. 23 in E-Flat Major. Posato
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by artist: María Dueñas
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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24 Caprices for Solo Violin, Op. 1, MS 25: No. 24 in A Minor. Tema con variazioni. Quasi presto
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duration: PT7M11S
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explicit: false
by artist: Niccolò Paganini
by artist: María Dueñas
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popularity: 15
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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Caprice basque, Op. 24
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by artist: María Dueñas
by artist: Itamar Golan
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Caprice basque, Op. 24
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Recitativo and Scherzo-Caprice, Op. 6
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by artist: María Dueñas
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popularity: 12
genre: classical
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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Caprice viennois, Op. 2 (Arr. Fougeray for Violin and Guitar): I. Allegro molto moderato
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by artist: María Dueñas
by artist: Raphaël Feuillâtre
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popularity: 11
genre: classical
genre: post-romantic-era
genre: violin
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Caprice viennois, Op. 2 (Arr. Fougeray for Violin and Guitar): II. Andante con moto
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duration ms: 100826
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popularity: 11
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Caprice viennois, Op. 2 (Arr. Fougeray for Violin and Guitar): III. Presto
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by artist: María Dueñas
by artist: Raphaël Feuillâtre
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Milstein Caprice
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by artist: María Dueñas
in album: Paganini: 24 Caprices — Caprices by Berlioz, Cervelló, Kreisler, Ortiz, Saint-Saëns, Sarasate, Wieniawski
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popularity: 11
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Études-Caprices for 2 Violins, Op. 18: No. 2 in E-Flat Major
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by artist: María Dueñas
by artist: Boris Kuschnir
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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De cuerda y madera
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by artist: María Dueñas
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Caprice andalous, Op. 122
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duration ms: 672160
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by artist: Camille Saint-Saëns
by artist: María Dueñas
by artist: Deutsches Symphonie-Orchester Berlin
by artist: Mihhail Gerts
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popularity: 12
genre: classical
genre: late-romantic-era
genre: french-romanticism
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Rêverie et caprice, H. 88
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by artist: Deutsches Symphonie-Orchester Berlin
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:53:06Z
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Introduction et rondo capriccioso, Op. 28
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genre: late-romantic-era
genre: french-romanticism
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Introduction et rondo capriccioso, Op. 28
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Paganini: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 9 in E Major "La chasse". Allegretto
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
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Paganini: 24 Caprices for Solo Violin, Op. 1, MS 25: No. 24 in A Minor. Tema con variazioni. Quasi presto
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
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Kreisler: Caprice viennois, Op. 2 (Arr. Fougeray for Violin and Guitar)
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-02T03:55:08Z
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T12:47:07Z
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OpenTimestamps Proof of Existence
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date published: 2026-07-02T03:30:09Z

Caprice viennois, Op. 2 (Arr. Fougeray for Violin and Guitar): III. Presto
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Gargiulo: Sonata No. 4 for Violin and Piano "From the Window"
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962401111
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T00:16:15Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90636a1d79c3655503a435d450c529152c8373689956be21f30717ee5e751a71. Chain 2 (Bitcoin): anchored in block 960175 (2026-07-30T00:16:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962401111 — a six-check JSON result.
    date published: 2026-07-30T00:16:15Z
  audio: Sonata No. 4 for Violin and Piano "From the Window": I. The Ocean
    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
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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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
      value: 0.174
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.007
    additional property: Key Name
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      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Sonata No. 4 for Violin and Piano "From the Window": II. The Sky
  type: MusicRecording
  duration: PT3M35S
  duration ms: 215600
  explicit: false
  by artist: Julian Lawrence Gargiulo
  by artist: María Dueñas
  in album: Gargiulo: Sonata No. 4 for Violin and Piano "From the Window"
    type: MusicAlbum
    date published: 2024-07-26
  isrc code: DEN962401112
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xed34d2032d3dd32a467b745de8dbf5d7aa2a99d16f9c2479a5d4c919737bae04
  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/DEN962401112
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed34d2032d3dd32a467b745de8dbf5d7aa2a99d16f9c2479a5d4c919737bae04. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962401112 — a six-check JSON result.
    date published: 2026-07-02T03:55:08Z
  audio: Sonata No. 4 for Violin and Piano "From the Window": II. The Sky
    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
      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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track: Sonata No. 4 for Violin and Piano "From the Window": III. The Earth
  type: MusicRecording
  duration: PT5M11S
  duration ms: 311706
  explicit: false
  by artist: Julian Lawrence Gargiulo
  by artist: María Dueñas
  in album: Gargiulo: Sonata No. 4 for Violin and Piano "From the Window"
    type: MusicAlbum
    date published: 2024-07-26
  isrc code: DEN962401113
  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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    value: https://explorer.copyrightchains.com/tx/0x4d54c27dc856a5cdbd10f5acb4147a5bd5999ebe1c74b79ed6c835bbbbbc08ca
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960354
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Sonata No. 4 for Violin and Piano "From the Window": III. The Earth
track: Sonata No. 4 for Violin and Piano "From the Window": IV. The People

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962401113

OTSTimestamp
type: PropertyValue
value: 2026-07-31T05:48:18Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d54c27dc856a5cdbd10f5acb4147a5bd5999ebe1c74b79ed6c835bbbbbc08ca. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962401113 — a six-check JSON result.
date published: 2026-07-31T05:48:18Z

Sonata No. 4 for Violin and Piano "From the Window": III. The Earth
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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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
  type: PropertyValue
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Sonata No. 4 for Violin and Piano "From the Window": IV. The People
type: MusicRecording
duration: PT4M33S
duration ms: 273373
explicit: false
by artist: Julian Lawrence Gargiulo
by artist: María Dueñas
in album: Gargiulo: Sonata No. 4 for Violin and Piano "From the Window"
  type: MusicAlbum
  date published: 2024-07-26
isrc code: DEN962401114
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-28T03:20:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x84beb5bad5762173e3100200cdcfcd51d651446b5d4a7c6f9f139ac1fecade01
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956375
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962401114
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84beb5bad5762173e3100200cdcfcd51d651446b5d4a7c6f9f139ac1fecade01. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962401114 — a six-check JSON result.
  date published: 2026-07-02T16:51:38Z
audio: Sonata No. 4 for Violin and Piano "From the Window": IV. The People
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.559
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.479
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Traditional: El cant dels ocells (Arr. Dueñas for Violin and Piano)
type: MusicAlbum
date published: 2024-01-26
track: El cant dels ocells (Arr. Dueñas for Violin and Piano)
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181466
  explicit: false
  by artist: Traditional
  by artist: María Dueñas
  by artist: Itamar Golan
  in album: Traditional: El cant dels ocells (Arr. Dueñas for Violin and Piano)
    type: MusicAlbum
    date published: 2024-01-26
  genre: bhajan
  genre: gregorian-chant
  genre: medieval
  genre: traditional-music
  isrc code: DEN962302930
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7d43f2cb908a99ed28faf089dc78a8cf0289ab9f0605356ff1dcf246be6e3ed3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962302930
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d43f2cb908a99ed28faf089dc78a8cf0289ab9f0605356ff1dcf246be6e3ed3. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962302930 — a six-check JSON result.
    date published: 2026-07-02T03:55:08Z
  audio: El cant dels ocells (Arr. Dueñas for Violin and Piano)
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 9
    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: 0.177
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
      value: 0.059
    additional property: Acousticness
      type: PropertyValue
      value: 0.903
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.035
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.755
    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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Gargiulo: Estro
type: MusicAlbum
date published: 2024-01-12
track: Estro
  type: MusicRecording
  duration: PT5M35S
  duration ms: 335216
  explicit: false
  by artist: Julian Lawrence Gargiulo
  by artist: María Dueñas
  in album: Gargiulo: Estro
    type: MusicAlbum
    date published: 2024-01-12
  isrc code: DEN962302280
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T08:32:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe0be7f54c6da49ee1c488e96a2fb587399791c3dc6f9b0b1f98e0a0b2d89826a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 957819
  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/DEN962302280
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T07:53:33Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0be7f54c6da49ee1c488e96a2fb587399791c3dc6f9b0b1f98e0a0b2d89826a. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962302280 — a six-check JSON result.
    date published: 2026-07-13T07:53:33Z
  audio: Estro
    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
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.379
    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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Vivaldi: The Four Seasons / Violin Concerto in G Minor, RV 315 "Summer": III. Presto (Musical Moments)
type: MusicAlbum
date published: 2023-09-15
track: The Four Seasons / Violin Concerto in G Minor, RV 315 "Summer": III. Presto - Musical Moments
  type: MusicRecording
  duration: PT2M47S
  duration ms: 167553
  explicit: false
  by artist: Antonio Vivaldi
  by artist: María Dueñas
  by artist: "Blue Orchestra" Special String Orchestra
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    type: MusicAlbum
    date published: 2023-09-15
  genre: classical
  genre: early-music
  genre: baroque
  genre: concerto
  isrc code: DEN962302530
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-06-24T07:53:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x69e310a217afe7e40dfde521021f3fd38ae4ae9faa665dc06c0bf301267e8b44
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962302530
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69e310a217afe7e40dfde521021f3fd38ae4ae9faa665dc06c0bf301267e8b44. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962302530 — a six-check JSON result.
    date published: 2026-07-02T03:55:08Z
  audio: The Four Seasons / Violin Concerto in G Minor, RV 315 "Summer": III. Presto - Musical Moments
    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: Valence (Positivity)
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Dueñas: Homage 1770
type: MusicAlbum
date published: 2023-08-11
track: Homage 1770
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  in album: Dueñas: Homage 1770
    type: MusicAlbum
    date published: 2023-08-11
  genre: classical
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  additional property: CopyrightStatus
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962302270
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6563a05ca85a6cfa7f13a4b00c6af44e5fc5ecf1de275cfcc23aa72fadf70e4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962302270 — a six-check JSON result.
    date published: 2026-07-02T03:55:08Z
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    type: AudioObject
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Piazzolla: María De Buenos Aires: Yo soy María
type: MusicAlbum
date published: 2023-07-21
track: María De Buenos Aires: Yo soy María (Introduction for Violin Solo)
  type: MusicRecording
  duration: PT1M21S
  duration ms: 81000
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  by artist: Astor Piazzolla
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    type: MusicAlbum
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  genre: classical
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5513a0f81abd406755af0ecf87d613097d4f5e7c6e3a9f4a4cf1ed6f32e56e8b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962301911 — a six-check JSON result.
    date published: 2026-07-02T03:55:08Z
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track: María De Buenos Aires: Yo soy María (Arr. for Violin and Piano)
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189640
  explicit: false
  by artist: María Dueñas
  by artist: Itamar Golan
  by artist: Astor Piazzolla
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    type: MusicAlbum
    date published: 2023-07-21
  genre: classical
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  additional property: CopyrightStatus
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20cff97409160a655ccd8ee504d9a24662aa8262d24567e4c9b384eca6fe6d8e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962301912 — a six-check JSON result.
    date published: 2026-06-13T12:47:07Z
  audio: María De Buenos Aires: Yo soy María (Arr. for Violin and Piano)
    type: AudioObject
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Beethoven: Violin Concerto in D Major, Op. 61: II. Larghetto (Cadenza: Dueñas)
type: MusicAlbum
date published: 2023-04-07
track: Violin Concerto in D Major, Op. 61: II. Larghetto (Cadenza: Dueñas)
  type: MusicRecording
  duration: PT9M50S
  duration ms: 590840
  explicit: false
  by artist: María Dueñas
  by artist: Ludwig van Beethoven
  by artist: Wiener Symphoniker
  by artist: Manfred Honeck
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    type: MusicAlbum
    date published: 2023-04-07
  genre: classical
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd931443ad4c750519c08fdbd356ca4e3585d3f20fe94db97159cb60736b1db2b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962300422 — a six-check JSON result.
    date published: 2026-07-02T03:55:08Z
  audio: Violin Concerto in D Major, Op. 61: II. Larghetto (Cadenza: Dueñas)
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    additional property: Tempo (BPM)
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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Ysaÿe: Berceuse, Op. 20
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date published: 2023-03-24
track: Berceuse, Op. 20
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  by artist: María Dueñas
  by artist: Wiener Symphoniker
  by artist: Manfred Honeck
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    date published: 2023-03-24
  genre: late-romantic-era
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6eb7190169d8242f2a025d5fbf1df201f4856386b02c162b10103ff4e769fe1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962300440 — a six-check JSON result.
    date published: 2026-07-02T03:55:08Z
  audio: Berceuse, Op. 20
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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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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Lalo: 2 Impromptus, Op. 4: I. Espérance
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date published: 2023-01-27
track: 2 Impromptus, Op. 4: I. Espérance
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  duration ms: 269893
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  by artist: María Dueñas
  by artist: Itamar Golan
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    date published: 2023-01-27
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad7a432481419178a008e1f4b4fc1bd1a66f3e2401e9135b988c18ae29ff5cec. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962202000 — a six-check JSON result.
    date published: 2026-07-02T03:55:08Z
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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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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Fauré: 3 Songs, Op. 7: I. Après un rêve (Version for Violin and Piano)
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date published: 2022-09-30
track: 3 Songs, Op. 7: I. Après un rêve (Transcr. Dueñas for Violin and Piano)
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  by artist: Itamar Golan
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    date published: 2022-09-30
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953513
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962201980
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40b662ae6f624431d0f2fa64159d8e155d7e81cb1cf6f23057d08902f9eadaf1. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962201980 — a six-check JSON result.
    date published: 2026-06-13T12:47:07Z
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
      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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    additional property: Key Name
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Best Classical Music in Anime
type: MusicAlbum
date published: 2023-10-29
track: Summer - From “Kikujiro”
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  duration: PT2M33S
  duration ms: 153906
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  by artist: Joe Hisaishi
  in album: Best Classical Music in Anime
    type: MusicAlbum
    date published: 2023-10-29
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  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x13e8b232107a9a269a3178ec20bbfce023fb9206a3ebe7fc9fd648dd1dbdbbf8
  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/JPPO00200370
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13e8b232107a9a269a3178ec20bbfce023fb9206a3ebe7fc9fd648dd1dbdbbf8. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO00200370 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Summer - From “Kikujiro”
    type: AudioObject
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: Merry-Go-Round of Life - from 'Howl’s Moving Castle'
  type: MusicRecording
  duration: PT2M49S
  duration ms: 169773
  explicit: false
  by artist: Joe Hisaishi
  by artist: Royal Philharmonic Orchestra
  in album: Best Classical Music in Anime
    type: MusicAlbum
    date published: 2023-10-29
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4f2b07e4dde3ec96068e3f9bd4230f29764243a122fd30ade36fe67c40d5d695
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02204169
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f2b07e4dde3ec96068e3f9bd4230f29764243a122fd30ade36fe67c40d5d695. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02204169 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Merry-Go-Round of Life - from 'Howl’s Moving Castle'
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    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
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    additional property: Danceability
      type: PropertyValue
      value: 0.194
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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      value: 0.894
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.133
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.856
    additional property: Key Name
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      value: D
    additional property: Mode Name
      type: PropertyValue
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Compositores de América
type: MusicAlbum
date published: 2025-05-12
track: America - From "West Side Story"/Soundtrack Version
  type: MusicRecording
  duration: PT4M57S
  duration ms: 297666
  explicit: false
  by artist: Leonard Bernstein
  by artist: Stephen Sondheim
  by artist: Ariana DeBose
  by artist: David Alvarez
  by artist: Ana Isabelle
  by artist: Jennifer Florentino
  by artist: Natalie Toro
  by artist: Arianna Rosario
  by artist: Ilda Mason
  by artist: Jeanette Delgado
  by artist: Annelise Cepero
  by artist: Tanairi Sade Vazquez
  by artist: Jamila Velazquez
  by artist: Edriz E. Rosa Pérez
  by artist: Melody Martí
  by artist: Gaby Diaz
  by artist: Juliette Feliciano
  by artist: Isabella Ward
  by artist: Maria Alexis Rodriguez
  by artist: Yesenia Ayala
  by artist: Gabriela M. Soto
  by artist: Sebastian Serra
  by artist: Julius Anthony Rubio
  by artist: Ricardo A. Zayas
  by artist: Yurel Echezarreta
  by artist: Kelvin Delgado
  by artist: Ricky Ubeda
  by artist: Carlos Sánchez Falú
  by artist: Adriel Flete
  by artist: Jacob Guzman
  by artist: Carlos E. Gonzalez
  by artist: David Avilés Morales
  by artist: Andrei Chagas
  by artist: David Guzman
  in album: Compositores de América
    type: MusicAlbum
    date published: 2025-05-12
  genre: classical
  genre: orchestra
  isrc code: USHR12142277
  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
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHR12142277
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8338dd49af85741cc705d839295014f6d2248d5e799ae8f4d1a5d458e560f69d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHR12142277 — a six-check JSON result.
    date published: 2026-07-02T03:30:09Z
  audio: America - From "West Side Story"/Soundtrack Version
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.521
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
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      value: 0.826
    additional property: Loudness (dB)
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      value: -16.191
    additional property: Key Name
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    additional property: Mode Name
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track: Koyaanisqatsi - From "Koyaanisqatsi" Soundtrack
  type: MusicRecording
  duration: PT3M29S
  duration ms: 209840
  explicit: false
  by artist: Philip Glass
  in album: Compositores de América
    type: MusicAlbum
    date published: 2025-05-12
  isrc code: USIR20500103
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x437e0e2decac6b01f8cc656a4e813e1827a84be3e16223bca819376d4218ea1f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960254
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USIR20500103
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x437e0e2decac6b01f8cc656a4e813e1827a84be3e16223bca819376d4218ea1f. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USIR20500103 — a six-check JSON result.
    date published: 2026-07-30T12:06:10Z
  audio: Koyaanisqatsi - From "Koyaanisqatsi" Soundtrack
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 136.782
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.168
    additional property: Energy
      type: PropertyValue
      value: 0.037
    additional property: Speechiness
      type: PropertyValue
      value: 0.047
    additional property: Acousticness
      type: PropertyValue
      value: 0.68
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.967
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.037
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.812
    additional property: Key Name
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track: The Countdown - From "The Hunger Games"
track: There's A Boat That's Leavin' Soon For New York - From "Porgy And Bess"
track: María De Buenos Aires: Yo soy María (Arr. for Violin and Piano)

Mode Name
type: PropertyValue
value: Major

The Countdown - From "The Hunger Games"
type: MusicRecording
duration: PT1M58S
duration ms: 118413
explicit: false
by artist: James Newton Howard
by artist: Gavin Greenaway
in album: Compositores de América
  type: MusicAlbum
  date published: 2025-05-12
isrc code: USUM71202419
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T12:02:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x92c73d0d49ffd3ae9a64e851df32a5b9cb7c679f577ea23e09bb241f0df64062
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71202419
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92c73d0d49ffd3ae9a64e851df32a5b9cb7c679f577ea23e09bb241f0df64062. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71202419 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: The Countdown - From "The Hunger Games"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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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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There's A Boat That's Leavin' Soon For New York - From "Porgy And Bess"
type: MusicRecording
duration: PT2M42S
duration ms: 162333
explicit: false
by artist: George Gershwin
by artist: Shirley Horn
by artist: Jimmy Jones
in album: Compositores de América
  type: MusicAlbum
  date published: 2025-05-12
isrc code: USGR10080024
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xaf628cfeca4823196f5a32bcca91ff47a12cfeda38e67d40916c3ccbc6f12200
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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audio: There's A Boat That's Leavin' Soon For New York - From "Porgy And Bess"
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María De Buenos Aires: Yo soy María (Arr. for Violin and Piano)
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by artist: Astor Piazzolla
by artist: María Dueñas
by artist: Itamar Golan
in album: Compositores de América
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  date published: 2025-05-12
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
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  date published: 2026-07-02T03:30:09Z
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