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description: Marina Viotti (born 30 April 1986) is a Swiss-French mezzo-soprano opera singer. Early life Marina Viotti was born on 30 April 1986, in Lausanne, in the canton of Vaud, Switzerland. A dual French-Swi
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album: A Tribute to Pauline Viardot
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  track: Ayres for the Violin, Book I (Arr. for Violoncello Piccolo): Preludio
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  track: Cello Sonata No. 1 in D Minor: I. Largo
  track: Cello Sonata No. 1 in D Minor: IV. A tempo giusto
  track: Cello Concerto No. 1 in F Major: I. Presto
  track: Ifigenia in Aulide: "Tu, spietato, non farai"
  track: L'isola disabitata: "Non turbar quand'io mi lagno"
album: Porque existe otro querer
album: De Falla: Siete canciones populares españolas: V. Nana
album: Carrillo: Dos gardenias
album: Fauré: 3 Songs, Op. 23: I. Les Berceaux
album: Rossini: Bianca e Falliero
album: Rossini: Aureliano in Palmira (Live)
album: Puget: Au bord de la mer
album: À deux voix
album: Mezzo Mozart
album: Mozart: Mass in C Minor, K. 427: Laudamus te
album: Mozart: Ch'io mi scordi di te, K. 505: Non temer, amato bene
album: Mozart: La finta giardiniera, K. 196: Va'pure ad altri in braccio (Ramiro)
album: George
album: Melankhôlia: In Darkness Through The Light
album: Brahms: Songs & Duets
album: In Darkness Let Me Dwell / Born To Die
album: Dowland: Go Crystal Tears
album: Mea Culpa (Ah! Ça ira!)
album: Viardot: Rêverie
album: Widor: Qu'un songe au ciel m'enlève
album: Donizetti: La Favorite: Act 3: "L'ai-je bien entendu ? … Ô mon Fernand… Venez cruels" (Léonor)
album: Gounod: Sapho: Act 3: "Où suis-je ? … Ô ma lyre immortelle" (Sapho)

L'isola disabitata: "Non turbar quand'io mi lagno"
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3 songs, Op. 7: I. Après un rêve (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco)
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3 Songs, Op. 18: III. Automne (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco)
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2 Songs , Op. 27: I. Chanson d'amour (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco)
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3 Songs, Op. 23: I. Les Berceaux (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco)
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Nuit d'Espagne (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco)
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Historia de un amor (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco)
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Siete canciones populares españolas (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco): II. Seguidilla murciana
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Siete canciones populares españolas (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco): III. Asturiana
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Siete canciones populares españolas (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco): IV. Jota
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Siete canciones populares españolas (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco): V. Nana
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Siete canciones populares españolas (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco): VI. Canción
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Siete canciones populares españolas (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco): VII. Polo
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Quiero
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La danza (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco)
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Deux Duos, Op. 52: Guitare
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Au bord de l'eau
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Deux duos, Op. 11: Réveil
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La chanson de la brise
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Cosi fan tutte, K. 588: Smanie implacabili (Dorabella)
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Ch'io mi scordi di te, K. 505: Non temer, amato bene
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Le nozze di Figaro, K. 492: Deh vieni, non tardar (Susanna)
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Mitridate, Re di Ponto, K. 87: Venga pur, minacci e frema (Farnace)
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Ascanio in Alba, K. 111: Perchè tacer degg'io? (Ascanio)
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Ascanio in Alba, K. 111: Cara, lontano ancora (Ascanio)
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Exsultate, jubilate, K. 165: I. Allegro. Exsultate, jubilate
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Exsultate, jubilate, K. 165: II. Recitativo secco. Fulget amica dies
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Exsultate, jubilate, K. 165: IV. Allegro. Alleluja, alleluja
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Le nozze di Figaro, K. 492: Voi che sapete (Cherubino)
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La clemenza di Tito, K. 621: Parto, ma tu ben mio (Sesto)
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Mass in C Minor, K. 427: Laudamus te
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Les Bohémiennes. Duo d'après les Danses Hongroises de Brahms
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  date published: 2026-07-02T03:55:08Z
audio: Les Bohémiennes. Duo d'après les Danses Hongroises de Brahms
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  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: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.453
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.238
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.799
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

12 Mazourkes de Frédéric Chopin: No. 6, Séparation, VWV 4022
type: MusicRecording
duration: PT2M12S
duration ms: 132068
explicit: false
by artist: Pauline Viardot
by artist: Sonya Yoncheva
by artist: Marina Viotti
by artist: Olga Zado
in album: George
  type: MusicAlbum
  date published: 2025-01-24
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x868e99d13c0cf8ad1fbf042f161d32a206b89e4164026e460bb953fd359fe42c. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132425013.
  date published: 2026-07-29T21:09:47Z
audio: 12 Mazourkes de Frédéric Chopin: No. 6, Séparation, VWV 4022
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.146
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.332
  additional property: Energy
    type: PropertyValue
    value: 0.103
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
    value: 0.128
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.198
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.322
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FRZ132425013
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960144
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T21:09:47+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132425013

Prelude
type: MusicRecording
duration: PT1M45S
duration ms: 105946
explicit: false
by artist: Marina Viotti
by artist: Vincent Flückiger
by artist: Fred Chappuis
in album: Melankhôlia: In Darkness Through The Light
  type: MusicAlbum
  date published: 2024-10-11
isrc code: FRZ132423010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T21:51:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc03cab91c7ba60bc1c5b8b8961a506f3dbca910a1514f8aefb8aaa051c0d68bd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956349
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423010
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc03cab91c7ba60bc1c5b8b8961a506f3dbca910a1514f8aefb8aaa051c0d68bd. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423010.
  date published: 2026-07-02T11:34:59Z
audio: Prelude
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.462
  additional property: Musical Key
    type: PropertyValue
    value: 2
  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: 0.334
  additional property: Energy
    type: PropertyValue
    value: 0.013
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.955
  additional property: Liveness
    type: PropertyValue
    value: 0.391
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.026
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.717
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mourn, Mourn, Day is with Darkness Fled
type: MusicRecording
duration: PT0M55S
duration ms: 55146
explicit: false
by artist: Marina Viotti
by artist: Vincent Flückiger
by artist: Fred Chappuis
in album: Melankhôlia: In Darkness Through The Light
  type: MusicAlbum
  date published: 2024-10-11
isrc code: FRZ132423020
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T08:27:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4ebb875f492e0715c5f9ac54a06cf1909d03982c518ccec0c8c9c925c09c142d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957820
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957820
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423020
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-13T07:54:01Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957819
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-13T07:53:33+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ebb875f492e0715c5f9ac54a06cf1909d03982c518ccec0c8c9c925c09c142d. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423020.
  date published: 2026-07-13T07:54:01Z
audio: Mourn, Mourn, Day is with Darkness Fled
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.315
  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: 0.263
  additional property: Energy
    type: PropertyValue
    value: 0.054
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.924
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.413
  additional property: Liveness
    type: PropertyValue
    value: 0.156
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.064
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.636
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Stay Time a While Thy Flying - Version for Voice, Archlute and Electric Guitar
type: MusicRecording
duration: PT2M48S
duration ms: 168333
explicit: false
by artist: Marina Viotti
by artist: Vincent Flückiger
by artist: Fred Chappuis
in album: Melankhôlia: In Darkness Through The Light
  type: MusicAlbum
  date published: 2024-10-11
isrc code: FRZ132423030
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T16:09:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xec01745f4a4d6a8d3b5943f75a6f6f5e82f2782e51aa14dbb02bf65c6ca597d2
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/FRZ132423030
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec01745f4a4d6a8d3b5943f75a6f6f5e82f2782e51aa14dbb02bf65c6ca597d2. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423030.
  date published: 2026-07-02T03:55:08Z
audio: Stay Time a While Thy Flying - Version for Voice, Archlute and Electric Guitar
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.466
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.274
  additional property: Energy
    type: PropertyValue
    value: 0.176
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.141
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.57
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Old Man
type: MusicRecording
duration: PT3M23S
duration ms: 203466
explicit: false
by artist: Marina Viotti
by artist: Vincent Flückiger
by artist: Fred Chappuis
in album: Melankhôlia: In Darkness Through The Light
  type: MusicAlbum
  date published: 2024-10-11
isrc code: FRZ132423040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T16:17:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5c6bb0f22e2ecfb15be695a76b0f066a284bc96ab0de68c69e7df740ff83ac29
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/FRZ132423040
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c6bb0f22e2ecfb15be695a76b0f066a284bc96ab0de68c69e7df740ff83ac29. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423040.
  date published: 2026-07-02T03:55:08Z
audio: Old Man
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.276
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.572
  additional property: Energy
    type: PropertyValue
    value: 0.166
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.922
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.026
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.067
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.025
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

One
type: MusicRecording
duration: PT4M33S
duration ms: 273093
explicit: false
by artist: Marina Viotti
by artist: Vincent Flückiger
by artist: Fred Chappuis
in album: Melankhôlia: In Darkness Through The Light
  type: MusicAlbum
  date published: 2024-10-11
isrc code: FRZ132423060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T16:06:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfbc56a87587f2deb879d46a53f93cd4a145c4061433b123f87c1ce899b20ccc0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423060
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbc56a87587f2deb879d46a53f93cd4a145c4061433b123f87c1ce899b20ccc0. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423060.
  date published: 2026-07-02T05:09:12Z
audio: One
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 171.309
  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: 0.317
  additional property: Energy
    type: PropertyValue
    value: 0.13
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.076
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.327
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Nothing Else Matters
type: MusicRecording
duration: PT4M18S
duration ms: 258853
explicit: false
by artist: Marina Viotti
by artist: Vincent Flückiger
by artist: Fred Chappuis
by artist: Charlotte Scohy
in album: Melankhôlia: In Darkness Through The Light
  type: MusicAlbum
  date published: 2024-10-11
isrc code: FRZ132423080
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T18:08:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9d94bf7989105734d8126dbd3eaa7042d610a7eba3013ed3a5197e370b271641
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/FRZ132423080
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d94bf7989105734d8126dbd3eaa7042d610a7eba3013ed3a5197e370b271641. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423080.
  date published: 2026-07-02T03:55:08Z
audio: Nothing Else Matters
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.929
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.522
  additional property: Energy
    type: PropertyValue
    value: 0.184
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.925
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.067
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.879
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Born To Die
type: MusicRecording
duration: PT4M15S
duration ms: 255453
explicit: false
by artist: Marina Viotti
by artist: Vincent Flückiger
by artist: Fred Chappuis
in album: Melankhôlia: In Darkness Through The Light
  type: MusicAlbum
  date published: 2024-10-11
isrc code: FRZ132423110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T16:01:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x46ad6b447cab1443a65ea71f52d71ab83c425dcc234a59ae5593b050bd0c717f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46ad6b447cab1443a65ea71f52d71ab83c425dcc234a59ae5593b050bd0c717f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423110.
  date published: 2026-07-02T05:09:12Z
audio: Born To Die
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.016
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.467
  additional property: Energy
    type: PropertyValue
    value: 0.093
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.957
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.152
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.186
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Jóga
type: MusicRecording
duration: PT5M14S
duration ms: 314586
explicit: false
by artist: Marina Viotti
by artist: Vincent Flückiger
by artist: Fred Chappuis
in album: Melankhôlia: In Darkness Through The Light
  type: MusicAlbum
  date published: 2024-10-11
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4842dd080dacb85a5cac192c344ba1a07546bd34d71c88901e7be71c785c1fde. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423150.
  date published: 2026-07-22T15:38:35Z
audio: Jóga
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.775
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.365
  additional property: Energy
    type: PropertyValue
    value: 0.139
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.855
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.106
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.172
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ132423150
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 959144
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-22T15:38:35+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423150

Intermede
type: MusicRecording
duration: PT1M48S
duration ms: 108573
explicit: false
by artist: Marina Viotti
by artist: Vincent Flückiger
by artist: Fred Chappuis
in album: Melankhôlia: In Darkness Through The Light
  type: MusicAlbum
  date published: 2024-10-11
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeeb0359ecc8da96a7babbc0d903813f57f098ea696a7ccde59b35568ff6dabb. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423090.
  date published: 2026-07-29T19:35:34Z
audio: Intermede
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.574
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.307
  additional property: Energy
    type: PropertyValue
    value: 0.074
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.855
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.042
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.43
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FRZ132423090
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960138
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423090

In Darkness Let Me Dwell - Version for Voice, Electric Guitar and Electronics
type: MusicRecording
duration: PT6M20S
duration ms: 380640
explicit: false
by artist: Marina Viotti
by artist: Vincent Flückiger
by artist: Fred Chappuis
in album: Melankhôlia: In Darkness Through The Light
  type: MusicAlbum
  date published: 2024-10-11
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3a8affb3db7740cb84742e15360a8b5061751354eb3e36515207d51d23e3e5a. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423100.
  date published: 2026-07-29T19:35:34Z
audio: In Darkness Let Me Dwell - Version for Voice, Electric Guitar and Electronics
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.815
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.232
  additional property: Energy
    type: PropertyValue
    value: 0.12
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.461
  additional property: Liveness
    type: PropertyValue
    value: 0.079
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.046
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.35
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FRZ132423100
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960138
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423100

Hurt
type: MusicRecording
duration: PT3M57S
duration ms: 237653
explicit: false
by artist: Marina Viotti
by artist: Vincent Flückiger
by artist: Fred Chappuis
in album: Melankhôlia: In Darkness Through The Light
  type: MusicAlbum
  date published: 2024-10-11
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88674f8ccfcb1242509cf9f77dac4336f0b80bd4cb9635f2950aba348eece732. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423130.
  date published: 2026-07-29T15:38:18Z
audio: Hurt
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.015
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.312
  additional property: Energy
    type: PropertyValue
    value: 0.108
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.164
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.19
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.807
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FRZ132423130
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960125
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T15:38:18+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423130

Mea Culpa (Ah! Ça ira!)
type: MusicRecording
duration: PT2M53S
duration ms: 173160
explicit: false
by artist: Gojira
by artist: Marina Viotti
by artist: Victor Le Masne
in album: Mea Culpa (Ah! Ça ira!)
  type: MusicAlbum
  date published: 2024-08-30
isrc code: UKAJF2400002
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T12:10:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5cbab98979b5c4c6689d9ff7866d0ef0305002ea91fad4fc8a08c7b9d2919866
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
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/UKAJF2400002
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953513
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:47:07+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cbab98979b5c4c6689d9ff7866d0ef0305002ea91fad4fc8a08c7b9d2919866. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKAJF2400002.
  date published: 2026-06-13T12:47:07Z
audio: Mea Culpa (Ah! Ça ira!)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 90.349
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.206
  additional property: Energy
    type: PropertyValue
    value: 0.89
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.001
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.098
  additional property: Liveness
    type: PropertyValue
    value: 0.356
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.249
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.277
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Acousticness
type: PropertyValue
value: 0.961

Instrumentalness
type: PropertyValue
value: 0.87

Liveness
type: PropertyValue
value: 0.097

Valence (Positivity)
type: PropertyValue
value: 0.563

Loudness (dB)
type: PropertyValue
value: -26.037

Key Name
type: PropertyValue
value: Ab

Mode Name
type: PropertyValue
value: Minor

Cello Sonata No. 1 in D Minor: I. Largo
type: MusicRecording
duration: PT1M24S
duration ms: 84253
explicit: false
by artist: Alessandro Scarlatti
by artist: Ophélie Gaillard
by artist: Pulcinella Orchestra
in album: Napoli!
  type: MusicAlbum
  date published: 2023-10-06
popularity: 4
genre: classical
genre: italian-opera
genre: early-music
genre: baroque
genre: italian-baroque
isrc code: FROV62332606
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:43:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e212b47dbc2f6c528a1b1850c7f7a48ebce60ab75dcf8f9bb2bf2e83b7327b2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FROV62332606
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e212b47dbc2f6c528a1b1850c7f7a48ebce60ab75dcf8f9bb2bf2e83b7327b2. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FROV62332606.
  date published: 2026-07-08T03:53:27Z
audio: Cello Sonata No. 1 in D Minor: I. Largo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.869
  additional property: Musical Key
    type: PropertyValue
    value: 6
  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: 0.233
  additional property: Energy
    type: PropertyValue
    value: 0.109
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.953
  additional property: Liveness
    type: PropertyValue
    value: 0.146
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.215
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.962
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Cello Sonata No. 1 in D Minor: IV. A tempo giusto
type: MusicRecording
duration: PT1M30S
duration ms: 90586
explicit: false
by artist: Alessandro Scarlatti
by artist: Ophélie Gaillard
by artist: Pulcinella Orchestra
in album: Napoli!
  type: MusicAlbum
  date published: 2023-10-06
popularity: 3
genre: classical
genre: italian-opera
genre: early-music
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genre: italian-baroque
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audio: Cello Sonata No. 1 in D Minor: IV. A tempo giusto
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Cello Concerto No. 1 in F Major: I. Presto
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audio: Cello Concerto No. 1 in F Major: I. Presto
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Ifigenia in Aulide: "Tu, spietato, non farai"
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subject of: OpenTimestamps Proof of Existence
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audio: Ifigenia in Aulide: "Tu, spietato, non farai"
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Porque existe otro querer
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track: Dos gardenias (Arr. for Mezzo-Soprano, Guitar & Alto Saxophone by Gabriel Bianco)
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    date published: 2026-07-08T03:20:19Z
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track: 6 Gnossiennes: I. Lent (Arr. for Guitar by Roland Dyens)
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  audio: 6 Gnossiennes: I. Lent (Arr. for Guitar by Roland Dyens)
track: Siete canciones populares españolas (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco): I. El paño moruno
track: Élégie (Arr. for Mezzo-Soprano, Guitar & Cello by Gabriel Bianco)
track: La chanson des vieux amants (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco)
track: Die Sterne, VWV 1059 (Arr. for Mezzo-Soprano, Guitar & Cello by Gabriel Bianco)
track: 3 songs, Op. 7: I. Après un rêve (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco)
track: 3 Songs, Op. 18: III. Automne (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco)
track: 2 Songs , Op. 27: I. Chanson d'amour (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco)
track: 3 Songs, Op. 23: I. Les Berceaux (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco)
track: Nuit d'Espagne (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco)
track: Historia de un amor (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco)
track: Siete canciones populares españolas (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco): II. Seguidilla murciana
track: Siete canciones populares españolas (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco): III. Asturiana
track: Siete canciones populares españolas (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco): IV. Jota
track: Siete canciones populares españolas (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco): V. Nana
track: Siete canciones populares españolas (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco): VI. Canción
track: Siete canciones populares españolas (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco): VII. Polo
track: Quiero
track: La danza (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco)

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

6 Gnossiennes: I. Lent (Arr. for Guitar by Roland Dyens)
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Siete canciones populares españolas (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco): I. El paño moruno
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd2dd09ec306b69636689a864d3748f98ff02edacad483c52cb5597e065ede4b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FROV62231111.
  date published: 2026-07-08T03:20:19Z
audio: Siete canciones populares españolas (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco): I. El paño moruno
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Élégie (Arr. for Mezzo-Soprano, Guitar & Cello by Gabriel Bianco)
type: MusicRecording
duration: PT3M7S
duration ms: 187053
explicit: false
by artist: Jules Massenet
by artist: Marina Viotti
by artist: Gabriel Bianco
by artist: Leonard Disselhorst
in album: Porque existe otro querer
  type: MusicAlbum
  date published: 2023-04-14
genre: classical
isrc code: FROV62231119
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f1c4f2883eb0c47ebf7fde01ca47bb051031d2efdc8d50cf994ad774a668695. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FROV62231119.
  date published: 2026-07-08T03:22:41Z
audio: Élégie (Arr. for Mezzo-Soprano, Guitar & Cello by Gabriel Bianco)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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La chanson des vieux amants (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco)
type: MusicRecording
duration: PT4M39S
duration ms: 279666
explicit: false
by artist: Jacques Brel
by artist: Gérard Jouannest
by artist: Marina Viotti
by artist: Gabriel Bianco
in album: Porque existe otro querer
  type: MusicAlbum
  date published: 2023-04-14
isrc code: FROV62231120
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FROV62231120
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5992a03fc4e7027779c91c55dac3195d1c778f81ffb33ef31e6723d5deec53e0. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FROV62231120.
  date published: 2026-07-08T03:22:41Z
audio: La chanson des vieux amants (Arr. for Mezzo-Soprano & Guitar by Gabriel Bianco)
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Die Sterne, VWV 1059 (Arr. for Mezzo-Soprano, Guitar & Cello by Gabriel Bianco)
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duration: PT3M51S
duration ms: 231493
explicit: false
by artist: Pauline Viardot
by artist: Marina Viotti
by artist: Gabriel Bianco
by artist: Leonard Disselhorst
in album: Porque existe otro querer
  type: MusicAlbum
  date published: 2023-04-14
isrc code: FROV62231122
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FROV62231122
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb63ea3ecf9d44cc31894b74130f20c1325379b08ccab9b04520531522a565e61. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FROV62231122.
  date published: 2026-07-08T08:56:20Z
audio: Die Sterne, VWV 1059 (Arr. for Mezzo-Soprano, Guitar & Cello by Gabriel Bianco)
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  additional property: Mode (Major/Minor)
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  additional property: Acousticness
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De Falla: Siete canciones populares españolas: V. Nana
type: MusicAlbum
date published: 2023-03-31

Carrillo: Dos gardenias
type: MusicAlbum
date published: 2023-03-03
track: Dos gardenias (Arr. for Mezzo-Soprano, Guitar & Alto Saxophone by Gabriel Bianco)
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  duration: PT4M10S
  duration ms: 250746
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  by artist: Isolina Carrillo
  by artist: Marina Viotti
  by artist: Gabriel Bianco
  by artist: Gerry Lopez
  by artist: Leonard Disselhorst
  in album: Carrillo: Dos gardenias
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    date published: 2023-03-03
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3de7853356ab15c2943f670b05c6ad9a3ac4e559336b90399d77f2c63b08123b. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FROV62231106.
    date published: 2026-07-07T18:50:38Z
  audio: Dos gardenias (Arr. for Mezzo-Soprano, Guitar & Alto Saxophone by Gabriel Bianco)
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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: Acousticness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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Fauré: 3 Songs, Op. 23: I. Les Berceaux
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date published: 2023-02-24

Rossini: Bianca e Falliero
type: MusicAlbum
date published: 2017-09-08

Rossini: Aureliano in Palmira (Live)
type: MusicAlbum
date published: 2018-09-14

Puget: Au bord de la mer
type: MusicAlbum
date published: 2023-10-20

À deux voix
type: MusicAlbum
date published: 2023-11-10
track: Deux Duos, Op. 52: L'hiver
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  by artist: Marina Viotti
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfad2c58169644f0d9ace6c4af550c5755ed8d6f591f4cb556c0f75fe675ab8c. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12340420.
    date published: 2026-07-08T08:56:20Z
  audio: Deux Duos, Op. 52: L'hiver
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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track: Deux Duos, Op. 40: Nocturne
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-08T03:20:19Z
  audio: Deux Duos, Op. 40: Nocturne
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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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track: Deux Duos, Op. 40: Qu'un songe au ciel m'enlève
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  subject of: OpenTimestamps Proof of Existence
  audio: Deux Duos, Op. 40: Qu'un songe au ciel m'enlève
track: Deux Duos, Op. 30: J'étais seul près des flots
track: Les trois oiseaux
track: Duo d'étoiles
track: Chanson andalouse
track: Deux duos, Op. 11: La nuit
track: Deux duos, Op. 2: Marine
track: Deux duos, Op. 2: Joie !
track: Deux Duos, Op. 52: Guitare
track: Au bord de l'eau
track: Deux duos, Op. 11: Réveil
track: La chanson de la brise

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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value: 2026-07-08T03:53:27Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe58d6cffb4073cf7e6351d746e4d48f16ea27f363e5e721bce8e6c22515abaa8. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12340423.
date published: 2026-07-08T03:53:27Z

Deux Duos, Op. 40: Qu'un songe au ciel m'enlève
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additional property: Acousticness
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Deux Duos, Op. 30: J'étais seul près des flots
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duration: PT3M51S
duration ms: 231936
explicit: false
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by artist: Adriana González
by artist: Marina Viotti
by artist: Iñaki Encina Oyón
in album: À deux voix
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bbe9eae6e2413e375534fad8f044edd19b276892df8fcc54717d7efb27c4020. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12340424.
  date published: 2026-07-08T03:39:04Z
audio: Deux Duos, Op. 30: J'étais seul près des flots
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Les trois oiseaux
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by artist: Adriana González
by artist: Marina Viotti
by artist: Iñaki Encina Oyón
in album: À deux voix
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e915d5055442c2d934ddb8c38f7b41f50249d991742ba90f0f9f381a66f1578. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12340427.
  date published: 2026-07-08T03:53:27Z
audio: Les trois oiseaux
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Duo d'étoiles
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by artist: Cécile Chaminade
by artist: Adriana González
by artist: Marina Viotti
by artist: Iñaki Encina Oyón
in album: À deux voix
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Duo d'étoiles
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Chanson andalouse
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by artist: Adriana González
by artist: Marina Viotti
by artist: Iñaki Encina Oyón
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Chanson andalouse
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Deux duos, Op. 11: La nuit
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by artist: Iñaki Encina Oyón
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Deux duos, Op. 11: La nuit
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Deux duos, Op. 2: Marine
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by artist: Adriana González
by artist: Marina Viotti
by artist: Iñaki Encina Oyón
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Deux duos, Op. 2: Marine
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Deux duos, Op. 2: Joie !
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: Deux duos, Op. 2: Joie !
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Mezzo Mozart
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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: 2026-07-08T03:20:19Z
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  subject of: OpenTimestamps Proof of Existence
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track: Exsultate, jubilate, K. 165: III. Andante. Tu virginum corona
track: La finta giardiniera, K. 196: Va' pure ad altri in braccio (Ramiro)
track: Cosi fan tutte, K. 588: Smanie implacabili (Dorabella)
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

Le nozze di Figaro, K. 492: Giunse alfin il momento (Susanna)
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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: 2026-07-08T03:20:19Z
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George
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
  audio: Casta Diva in E major in E Major
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track: Echo de "Casta diva"
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  by artist: Sonya Yoncheva
  by artist: Olga Zado
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  genre: early-romantic-era
  genre: polish-classical
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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: 2026-07-07T18:39:05Z
  audio: Echo de "Casta diva"
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track: Nuit de décembre
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  by artist: Sonya Yoncheva
  by artist: Olga Zado
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Nuit de décembre
track: Chanson espagnole, "Les filles de Cadix"
track: 3 Nocturnes, Op. 9: No. 2 in E-Flat Major, Andante
track: Fantasio, Act I Scene 5: No. 2, Ballade, "Voyez dans la nuit brune" (Fantasio)
track: 6 Morceaux, VWV 3003: No. 1 in A Major, Romance
track: Lettre à Marie Dorval
track: Ninon
track: 3 Liebesträume, S. 541: No. 3 in A-Flat Major, "O lieb so lang du lieben kannst"
track: Les Bohémiennes. Duo d'après les Danses Hongroises de Brahms
track: 12 Mazourkes de Frédéric Chopin: No. 6, Séparation, VWV 4022

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecf3c956f987e3dd7abab11e31a24b6931ef662f0d59899164e440bc08642200. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132425003.
date published: 2026-07-07T18:50:38Z

Nuit de décembre
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Chanson espagnole, "Les filles de Cadix"
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by artist: Sonya Yoncheva
by artist: Olga Zado
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfa6f13e72c3a3e14b5a5cc64022f6829d5619309dc947e24c13dd7efc3ba44c. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132425004.
  date published: 2026-07-06T07:16:32Z
audio: Chanson espagnole, "Les filles de Cadix"
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3 Nocturnes, Op. 9: No. 2 in E-Flat Major, Andante
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by artist: Olga Zado
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genre: classical
genre: early-romantic-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:41:13Z
audio: 3 Nocturnes, Op. 9: No. 2 in E-Flat Major, Andante
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Fantasio, Act I Scene 5: No. 2, Ballade, "Voyez dans la nuit brune" (Fantasio)
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by artist: Sonya Yoncheva
by artist: Olga Zado
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genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
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: 2026-07-08T03:22:41Z
audio: Fantasio, Act I Scene 5: No. 2, Ballade, "Voyez dans la nuit brune" (Fantasio)
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6 Morceaux, VWV 3003: No. 1 in A Major, Romance
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: 6 Morceaux, VWV 3003: No. 1 in A Major, Romance
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Lettre à Marie Dorval
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132425010
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ccbadac1f4192b4c24b34240ab93c67c6f8b708dc91f315709952fdec61f0bc. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132425010.
  date published: 2026-07-08T03:20:19Z
audio: Lettre à Marie Dorval
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Ninon
type: MusicRecording
duration: PT4M30S
duration ms: 270729
explicit: false
by artist: Francesco Paolo Tosti
by artist: Sonya Yoncheva
by artist: Olga Zado
in album: George
  type: MusicAlbum
  date published: 2025-01-24
genre: opera
genre: canzone-napoletana
isrc code: FRZ132425011
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/0x7d4c343004dcdf0d57a7b8fd7935019420b3f8746c8c81137a723c282527aabe
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132425011
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d4c343004dcdf0d57a7b8fd7935019420b3f8746c8c81137a723c282527aabe. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132425011.
  date published: 2026-07-08T03:22:41Z
audio: Ninon
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.805
  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: 0.383
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
    value: 0.062
  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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3 Liebesträume, S. 541: No. 3 in A-Flat Major, "O lieb so lang du lieben kannst"
type: MusicRecording
duration: PT4M47S
duration ms: 287601
explicit: false
by artist: Franz Liszt
by artist: Olga Zado
in album: George
  type: MusicAlbum
  date published: 2025-01-24
genre: classical
genre: late-romantic-era
isrc code: FRZ132425014
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/0x7d3ac8750a569f2099052ed81663400b548dcb3ff00a4d3d3054adcba1a7def4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957052
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132425014
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:50:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d3ac8750a569f2099052ed81663400b548dcb3ff00a4d3d3054adcba1a7def4. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132425014.
  date published: 2026-07-07T14:50:41Z
audio: 3 Liebesträume, S. 541: No. 3 in A-Flat Major, "O lieb so lang du lieben kannst"
  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)
    type: PropertyValue
    value: 1
  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)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.126
  additional property: Key Name
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  additional property: Mode Name
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Melankhôlia: In Darkness Through The Light
type: MusicAlbum
date published: 2024-10-11
track: Prelude
track: Mourn, Mourn, Day is with Darkness Fled
track: Stay Time a While Thy Flying - Version for Voice, Archlute and Electric Guitar
track: Old Man
track: Fairwell, Too Fair - Version for Voice, Archlute and Moog
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226933
  explicit: false
  by artist: Marina Viotti
  by artist: Vincent Flückiger
  by artist: Fred Chappuis
  in album: Melankhôlia: In Darkness Through The Light
    type: MusicAlbum
    date published: 2024-10-11
  isrc code: FRZ132423050
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T06:27:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x420b69238db23d05dfd2b02b6ceefbce91a51f2c3e343c0cb313be42d267d670
  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/FRZ132423050
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T07:16:32Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x420b69238db23d05dfd2b02b6ceefbce91a51f2c3e343c0cb313be42d267d670. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423050.
    date published: 2026-07-06T07:16:32Z
  audio: Fairwell, Too Fair - Version for Voice, Archlute and Moog
    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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    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.326
    additional property: Energy
      type: PropertyValue
      value: 0.293
    additional property: Speechiness
      type: PropertyValue
      value: 0.083
    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.219
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.61
    additional property: Key Name
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      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: One
track: Dear, If You Change - Version for Voice, Archlute and Guitars
  type: MusicRecording
  duration: PT3M45S
  duration ms: 225253
  explicit: false
  by artist: Marina Viotti
  by artist: Vincent Flückiger
  by artist: Fred Chappuis
  in album: Melankhôlia: In Darkness Through The Light
    type: MusicAlbum
    date published: 2024-10-11
  isrc code: FRZ132423070
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T19:38:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc8e7f25ba0da7234699b2c1a57319fd5963d3727d4f1cf3e2e0c848d4921e66e
  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/FRZ132423070
  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8e7f25ba0da7234699b2c1a57319fd5963d3727d4f1cf3e2e0c848d4921e66e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423070.
    date published: 2026-07-08T03:20:19Z
  audio: Dear, If You Change - Version for Voice, Archlute and Guitars
    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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    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.305
    additional property: Energy
      type: PropertyValue
      value: 0.199
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.936
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.038
    additional property: Liveness
      type: PropertyValue
      value: 0.088
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.124
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.113
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
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      value: Minor
track: Nothing Else Matters
track: Born To Die
track: Die Not Before Thy Day - Version for Voice, Archlute and Electric Guitar
  type: MusicRecording
  duration: PT2M25S
  duration ms: 145106
  explicit: false
  by artist: Marina Viotti
  by artist: Vincent Flückiger
  by artist: Fred Chappuis
  in album: Melankhôlia: In Darkness Through The Light
    type: MusicAlbum
    date published: 2024-10-11
  isrc code: FRZ132423120
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T05:44:18+00:00
  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: Die Not Before Thy Day - Version for Voice, Archlute and Electric Guitar
track: Go Crystal Tears - Version for Voice, Archlute and Mellotron
track: Flow My Tears - Version for Voice and Archlute
track: Jóga
track: Intermede
track: In Darkness Let Me Dwell - Version for Voice, Electric Guitar and Electronics
track: Hurt

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xe2eac884b4f81ca4bcc204d88a2327b675c99a8c1147e912e9c2d8514409fbf3

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956894

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956894

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423120

OTSTimestamp
type: PropertyValue
value: 2026-07-06T07:53:57Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2eac884b4f81ca4bcc204d88a2327b675c99a8c1147e912e9c2d8514409fbf3. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423120.
date published: 2026-07-06T07:53:57Z

Die Not Before Thy Day - Version for Voice, Archlute and Electric Guitar
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 127.646
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.382
additional property: Energy
  type: PropertyValue
  value: 0.173
additional property: Speechiness
  type: PropertyValue
  value: 0.042
additional property: Acousticness
  type: PropertyValue
  value: 0.98
additional property: Instrumentalness
  type: PropertyValue
  value: 0.001
additional property: Liveness
  type: PropertyValue
  value: 0.091
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.199
additional property: Loudness (dB)
  type: PropertyValue
  value: -17.455
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Minor

Go Crystal Tears - Version for Voice, Archlute and Mellotron
type: MusicRecording
duration: PT3M38S
duration ms: 218706
explicit: false
by artist: Marina Viotti
by artist: Vincent Flückiger
by artist: Fred Chappuis
in album: Melankhôlia: In Darkness Through The Light
  type: MusicAlbum
  date published: 2024-10-11
isrc code: FRZ132423140
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/0xbdd66918a59f63e4f86ca173c3a8ae936884608c3bc3c885195eb87c15820f8b
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957043
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423140
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdd66918a59f63e4f86ca173c3a8ae936884608c3bc3c885195eb87c15820f8b. Chain 2 (Bitcoin): anchored in block 957043 (2026-07-07T13:52:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132423140.
  date published: 2026-07-07T13:52:39Z
audio: Go Crystal Tears - Version for Voice, Archlute and Mellotron
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.002
  additional property: Musical Key
    type: PropertyValue
    value: 0
  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: 0.336
  additional property: Energy
    type: PropertyValue
    value: 0.11
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.012
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.22
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.77
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Brahms: Songs & Duets
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In Darkness Let Me Dwell / Born To Die
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Dowland: Go Crystal Tears
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Mea Culpa (Ah! Ça ira!)
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Viardot: Rêverie
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Widor: Qu'un songe au ciel m'enlève
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Donizetti: La Favorite: Act 3: "L'ai-je bien entendu ? … Ô mon Fernand… Venez cruels" (Léonor)
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Gounod: Sapho: Act 3: "Où suis-je ? … Ô ma lyre immortelle" (Sapho)
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