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description: thumb| Domenico Gaetano Maria Donizetti (29 November 1797 – 8 April 1848) was an Italian composer, best known for his over 70 operas. Along with Gioachino Rossini and Vincenzo Bellini, he was a leadin
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    by artist: Maria Callas
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  track: Rossini: La Cenerentola, Act 2: "Nacqui all'affanno, al pianto" - "Non più mesta" (Cenerentola)
  track: Puccini: La bohème, Act 1: "Sì. Mi chiamano Mimì" (Mimì)
  track: Puccini: Gianni Schicchi: "O mio babbino caro" (Lauretta)
  track: Verdi: La traviata, Act 1: "Ah, fors’è lui che l’anima" (Violetta)
  track: Verdi: La traviata, Act 1: "Follie! Follie! Delirio vano è questo!" (Violetta)
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album: From Callas With Love
album: Maria Callas - Cinema
album: Love Duets
album: Made for Opera
album: Donizetti: Lucia di Lammermoor
album: Boulevard des Italiens
album: Diva by Daisy Goodwin
album: CellOpéra!
album: Donizetti: Lucia di Lammermoor, A. 46
album: Lebendige Vergangenheit, Vol. 2
album: La Divina - The Art Of Maria Callas
album: Donizetti: La fille du régiment (Live)
album: Donizetti: Lucia di Lammermoor (Live Recordings 1957)
album: Donizetti: Cristoforo Colombo
album: Donizetti: Caterina Cornaro
album: Donizetti: Linda di Chamounix, A. 62
album: Rudolf Schock: Vol. 2
album: Messa Di Gloria E Credo
album: Donizetti: Les Martyrs
album: Donizetti: Emilia di Liverpool
album: Donizetti: Don Pasquale (Live)
album: Donizetti: La fille du régiment (Live) [Sung in Italian]
album: Donizetti: Lucia di Lammermoor (1972)
album: Donizetti: Maria di Rohan (1962)
album: The Master
album: The Art Of Beniamino Gigli, Vol. 3
album: The Art Of Beniamino Gigli, Vol. 2 1947-1955
album: Historical Archives, Vol. 1
album: Giuseppe Anselmi: Collection
album: 8 Arias & 8 Songs
album: Donizetti: Linda di Chamounix (Live)
album: Great Voices of the Century
album: Donizetti: Il borgomastro di Saardam
album: Donizetti: Maria Stuarda
album: Lebendige Vergangenheit Heinrich Schlusnus II
album: Golden Years
album: Beniamino Gigli: Vol. 2
album: Live Performances 1940-1953
album: Donizetti: Don Pasquale / Il campanello di notte
album: Donizetti: Dalinda (Live)
album: Airs d'opéras français
album: Donizetti: Lucia of Lammermoor
album: Gaetano Donizetti: Lucia Di Lammermoor (Live in Rome, Rai Studios, 26 June 1957)
album: Lebendige Vergangenheit
album: Donizetti: Le nozze in villa, A. 4 (Live)
album: Opera Concert At The Rome Opera House
album: Donizetti: L'esule di Roma
album: Donizetti: Il furioso nell'isola di San Domingo
album: Donizetti: Parisina
album: DONIZETTI: LUCIA DI LAMMERMOOR
album: Donizetti: Il diluvio universale
album: Donizetti: Lucia di Lammermoor (1956)
album: Grandi Voci – Mario del Monaco canta Verdi, Donizetti e Bellini- Una collana con registrazioni originali Decca e Deutsche Grammophon rimasterizzate con le tecniche più moderne che ne garantis
album: Donizetti: Il Duca D'Alba
album: Luciano Pavarotti: Opera Arias
album: Donizetti: Emilia di Liverpool (Recorded 1957)
album: Donizetti: Great Love Duets
album: Renée Fleming - Bel Canto Scenes
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Lucia di Lammermoor / Act 1: Regnava nel silenzio
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Lucia di Lammermoor / Act 3: Ardon gl’incensi
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Lucia di Lammermoor / Act 3: O giusto cielo! ... Il dolce suono
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Lucia di Lammermoor, Act I: Percorrete le spiagge vicine
type: MusicRecording
duration: PT2M27S
duration ms: 147754
explicit: false
by artist: Gaetano Donizetti
by artist: Didier Pieri
by artist: Coro del Teatro Carlo Felice di Genova
by artist: Orchestra del Teatro Carlo Felice di Genova
by artist: Andriy Yurkevych
in album: Donizetti: Lucia di Lammermoor
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  date published: 2023-09-08
popularity: 7
genre: opera
isrc code: GB2DY2200447
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: Lucia di Lammermoor, Act I: Percorrete le spiagge vicine
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La Divina: Oh Giusto Cielo! Ardon Gli Incensi (Mad Scene)
type: MusicRecording
duration: PT12M36S
duration ms: 756119
explicit: false
by artist: Pietro Mascagni
by artist: Giacomo Puccini
by artist: Francesco Cilea
by artist: Amilcare Ponchielli
by artist: Luigi Cherubini
by artist: Gaspare Spontini
by artist: Jules Massenet
by artist: Gioachino Rossini
by artist: Vincenzo Bellini
by artist: Giuseppe Verdi
by artist: Giacomo Meyerbeer
by artist: Léo Delibes
by artist: Ambroise Thomas
by artist: Gaetano Donizetti
by artist: Maria Callas
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Tullio Serafin
in album: La Divina - The Art Of Maria Callas
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  date published: 2000-01-01
popularity: 10
genre: opera
isrc code: GBLGL0910611
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: La Divina: Oh Giusto Cielo! Ardon Gli Incensi (Mad Scene)
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Linda di Chamounix, A. 62: Sinfonia
type: MusicRecording
duration: PT0M59S
duration ms: 59533
explicit: false
by artist: Gaetano Donizetti
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Michele Gamba
in album: Donizetti: Linda di Chamounix, A. 62
  type: MusicAlbum
  date published: 2021-12-03
popularity: 13
genre: opera
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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
additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Linda di Chamounix, A. 62: Sinfonia
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Linda di Chamounix, A. 62, Act I Scene 3: Ah! Tardai troppo
type: MusicRecording
duration: PT2M2S
duration ms: 122093
explicit: false
by artist: Gaetano Donizetti
by artist: Jessica Pratt
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Michele Gamba
in album: Donizetti: Linda di Chamounix, A. 62
  type: MusicAlbum
  date published: 2021-12-03
popularity: 16
genre: opera
isrc code: ITN322119895
additional property: CopyrightID
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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
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  date published: 2026-07-02T03:55:08Z
audio: Linda di Chamounix, A. 62, Act I Scene 3: Ah! Tardai troppo
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Linda di Chamounix, A. 62, Act I Scene 3: Qui sì, pria della partenza
type: MusicRecording
duration: PT1M23S
duration ms: 83106
explicit: false
by artist: Gaetano Donizetti
by artist: Jessica Pratt
by artist: Teresa Iervolino
by artist: Coro del Maggio Musicale Fiorentino
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Michele Gamba
in album: Donizetti: Linda di Chamounix, A. 62
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  date published: 2021-12-03
popularity: 25
genre: opera
isrc code: ITN322119897
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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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  date published: 2026-06-13T17:25:41Z
audio: Linda di Chamounix, A. 62, Act I Scene 3: Qui sì, pria della partenza
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Linda di Chamounix, A. 62, Act I Scene 3: Cari luoghi ov'io passai
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by artist: Coro del Maggio Musicale Fiorentino
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by artist: Michele Gamba
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popularity: 12
genre: opera
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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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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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  date published: 2026-07-02T03:55:08Z
audio: Linda di Chamounix, A. 62, Act I Scene 3: Cari luoghi ov'io passai
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Maria Stuarda / Act 1: "Qui si attenda"
type: MusicRecording
duration: PT2M54S
duration ms: 174493
explicit: false
by artist: Gaetano Donizetti
by artist: Bavarian Radio Chorus
by artist: Munich Radio Orchestra
by artist: Giuseppe Patanè
in album: Donizetti: Maria Stuarda
  type: MusicAlbum
  date published: 1990-01-10
popularity: 10
genre: opera
isrc code: NLA508810402
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T05:02:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x25c9a393859af59a7d3a10f4d39732508d234321f9ccc7742cbbebae7d3f8fce
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956351
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508810402
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
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 0x25c9a393859af59a7d3a10f4d39732508d234321f9ccc7742cbbebae7d3f8fce. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/NLA508810402.
  date published: 2026-07-02T11:38:34Z
audio: Maria Stuarda / Act 1: "Qui si attenda"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.659
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.329
  additional property: Energy
    type: PropertyValue
    value: 0.282
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.639
  additional property: Liveness
    type: PropertyValue
    value: 0.382
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.369
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.174
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Maria Stuarda / Act 3: "Deh! Tu di un umile preghiera"
type: MusicRecording
duration: PT3M40S
duration ms: 220133
explicit: false
by artist: Gaetano Donizetti
by artist: Iris Vermillion
by artist: Edita Gruberova
by artist: Bavarian Radio Chorus
by artist: Munich Radio Orchestra
by artist: Giuseppe Patanè
in album: Donizetti: Maria Stuarda
  type: MusicAlbum
  date published: 1990-01-10
popularity: 11
genre: opera
isrc code: NLA508810426
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T05:01:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x13def77252b345273cdf6c56916f79469226f552c9d7f0382604289a5c765a4e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956351
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508810426
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
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 0x13def77252b345273cdf6c56916f79469226f552c9d7f0382604289a5c765a4e. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/NLA508810426.
  date published: 2026-07-02T11:38:34Z
audio: Maria Stuarda / Act 3: "Deh! Tu di un umile preghiera"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.988
  additional property: Musical Key
    type: PropertyValue
    value: 3
  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: 0.238
  additional property: Energy
    type: PropertyValue
    value: 0.19
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.691
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Maria Stuarda / Act 3: "Ah! se un giorno"
type: MusicRecording
duration: PT4M10S
duration ms: 250773
explicit: false
by artist: Gaetano Donizetti
by artist: Edita Gruberova
by artist: Francisco Araiza
by artist: Francesco Ellero D'Artegna
by artist: Simone Alaimo
by artist: Iris Vermillion
by artist: Bavarian Radio Chorus
by artist: Munich Radio Orchestra
by artist: Giuseppe Patanè
in album: Donizetti: Maria Stuarda
  type: MusicAlbum
  date published: 1990-01-10
popularity: 10
genre: opera
isrc code: NLA508810430
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T05:01:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf7bd7d104da6bf8789ab91dcf54c20f37cd30c948522c8dd686ff9efea34fe2d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956351
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508810430
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
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 0xf7bd7d104da6bf8789ab91dcf54c20f37cd30c948522c8dd686ff9efea34fe2d. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/NLA508810430.
  date published: 2026-07-02T11:38:34Z
audio: Maria Stuarda / Act 3: "Ah! se un giorno"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.902
  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: 0.362
  additional property: Energy
    type: PropertyValue
    value: 0.118
  additional property: Speechiness
    type: PropertyValue
    value: 0.062
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.07
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.101
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.469
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Maria Stuarda / Act 1: Prelude
type: MusicRecording
duration: PT2M4S
duration ms: 124400
explicit: false
by artist: Gaetano Donizetti
by artist: Munich Radio Orchestra
by artist: Giuseppe Patanè
in album: Donizetti: Maria Stuarda
  type: MusicAlbum
  date published: 1990-01-10
popularity: 10
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95185023171a368fc09993f75ac2c05bd8c2b4d2908b4864523a15ae62471130. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T20:47:14Z), 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/NLA508810401.
  date published: 2026-07-22T20:47:14Z
audio: Maria Stuarda / Act 1: Prelude
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.945
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.21
  additional property: Energy
    type: PropertyValue
    value: 0.007
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.922
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.137
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.14
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.202
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: NLA508810401
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: 959163
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-22T20:47:14+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508810401

Speechiness
type: PropertyValue
value: 0.059

Acousticness
type: PropertyValue
value: 0.975

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.173

Valence (Positivity)
type: PropertyValue
value: 0.22

Loudness (dB)
type: PropertyValue
value: -21.058

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

Rossini: La Cenerentola, Act 2: "Nacqui all'affanno, al pianto" - "Non più mesta" (Cenerentola)
type: MusicRecording
duration: PT6M22S
duration ms: 382520
explicit: false
by artist: Gioacchino Rossini
by artist: Maria Callas
by artist: Nicola Rescigno
by artist: Orchestre De La Société Des Concerts Du Conservatoire
in album: La Divina
  type: MusicAlbum
  date published: 2023-12-20
popularity: 19
isrc code: GBAYC1400540
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T22:05:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd248d5d78bd6ab56f03de7762b537e10a40068c738962e18e2706a0e45ebde23
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400540
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 0xd248d5d78bd6ab56f03de7762b537e10a40068c738962e18e2706a0e45ebde23. 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/GBAYC1400540.
  date published: 2026-07-08T03:22:41Z
audio: Rossini: La Cenerentola, Act 2: "Nacqui all'affanno, al pianto" - "Non più mesta" (Cenerentola)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.268
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.386
  additional property: Energy
    type: PropertyValue
    value: 0.081
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.559
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.083
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.219
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: La bohème, Act 1: "Sì. Mi chiamano Mimì" (Mimì)
type: MusicRecording
duration: PT4M49S
duration ms: 289106
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Tullio Serafin
by artist: Philharmonia Orchestra
in album: La Divina
  type: MusicAlbum
  date published: 2023-12-20
popularity: 17
isrc code: GBAYC1400384
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T22:05:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb9db7ae9ea1d432447e110aa708438b620ae749099e7e45741150c6392980bad
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400384
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 0xb9db7ae9ea1d432447e110aa708438b620ae749099e7e45741150c6392980bad. 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/GBAYC1400384.
  date published: 2026-07-08T03:22:41Z
audio: Puccini: La bohème, Act 1: "Sì. Mi chiamano Mimì" (Mimì)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.164
  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: 0.212
  additional property: Energy
    type: PropertyValue
    value: 0.047
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.057
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.892
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Gianni Schicchi: "O mio babbino caro" (Lauretta)
type: MusicRecording
duration: PT2M34S
duration ms: 154506
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Tullio Serafin
by artist: Philharmonia Orchestra
in album: La Divina
  type: MusicAlbum
  date published: 2023-12-20
popularity: 17
isrc code: GBAYC1400387
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T11:40:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa0475b7c86d692ab4e89318f3de9297b244b9f23e9836c689367cd237a4d18bd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400387
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 0xa0475b7c86d692ab4e89318f3de9297b244b9f23e9836c689367cd237a4d18bd. 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/GBAYC1400387.
  date published: 2026-07-08T03:20:19Z
audio: Puccini: Gianni Schicchi: "O mio babbino caro" (Lauretta)
  type: AudioObject
  additional property: Tempo (BPM)
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Verdi: La traviata, Act 1: "Ah, fors’è lui che l’anima" (Violetta)
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by artist: Maria Callas
by artist: Gabriele Santini
by artist: Orchestra Sinfonica Di Torino Della Rai
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popularity: 17
genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Verdi: La traviata, Act 1: "Ah, fors’è lui che l’anima" (Violetta)
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Verdi: La traviata, Act 1: "Follie! Follie! Delirio vano è questo!" (Violetta)
type: MusicRecording
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by artist: Maria Callas
by artist: Gabriele Santini
by artist: Orchestra Sinfonica Di Torino Della Rai
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popularity: 16
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Verdi: La traviata, Act 1: "Follie! Follie! Delirio vano è questo!" (Violetta)
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Verdi: La traviata, Act 1: "Sempre libera" (Violetta, Alfredo)
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by artist: Gabriele Santini
by artist: Orchestra Sinfonica Di Torino Della Rai
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popularity: 16
genre: classical
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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: Verdi: La traviata, Act 1: "Sempre libera" (Violetta, Alfredo)
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Verdi: La traviata, Act 3: "Addio, del passato bei sogni ridenti" (Violetta)
type: MusicRecording
duration: PT3M26S
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explicit: false
by artist: Giuseppe Verdi
by artist: Maria Callas
by artist: Gabriele Santini
by artist: Orchestra Sinfonica Di Torino Della Rai
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popularity: 15
genre: classical
genre: opera
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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: Verdi: La traviata, Act 3: "Addio, del passato bei sogni ridenti" (Violetta)
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From Callas With Love
type: MusicAlbum
date published: 2023-02-14
track: Bizet: Carmen, WD 31, Act 1: Habanera. "L'amour est un oiseau rebelle" (Carmen, Chœur)
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  by artist: Maria Callas
  by artist: Choeurs Rene Duclos
  by artist: Georges Prêtre
  by artist: Orchestre du Théâtre National de l'Opéra de Paris
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T18:39:05Z
  audio: Bizet: Carmen, WD 31, Act 1: Habanera. "L'amour est un oiseau rebelle" (Carmen, Chœur)
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track: Donizetti: Lucia di Lammermoor, Act 1: "Quando rapito in estasi" (Lucia, Alisa)
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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
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track: Saint-Saëns: Samson et Dalila, Op. 47, Act 2: "Mon cœur s'ouvre à ta voix" (Dalila)
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  subject of: OpenTimestamps Proof of Existence
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track: Verdi: Otello, Act 4: Canzone del salice. "Piangea cantando" (Desdemona)
track: Puccini: La bohème, Act 1: "Sì. Mi chiamano Mimì" (Mimì, Rodolfo)
track: Berlioz: La damnation de Faust, Op. 24, H 111, Pt. 4: "D'amour l'ardente flamme" (Marguerite)
track: Massenet: Werther, Act 3: "Werther ! Werther !" - "Je vous écris de ma petite chambre" (Charlotte)
track: Verdi: La traviata, Act 3: "Addio, del passato bei sogni ridenti" (Violetta)
track: Puccini: Tosca, Act 1: "Mario! Mario! Mario!" (Tosca, Cavaradossi)
track: Verdi: Il trovatore, Act 1: "Tacea la notte placida" - "Di tale amor" (Leonora)
track: Mozart: Le nozze di Figaro, K. 492, Act 2: "Porgi, amor" (Contessa)

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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
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a3d70db98326a16c6b111cdabcc2bee5ecd7eb6985237ed15eb925a53fc4c36. 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/GBAYC1402636.
date published: 2026-07-08T03:20:19Z

Saint-Saëns: Samson et Dalila, Op. 47, Act 2: "Mon cœur s'ouvre à ta voix" (Dalila)
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Verdi: Otello, Act 4: Canzone del salice. "Piangea cantando" (Desdemona)
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duration: PT7M15S
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by artist: Giuseppe Verdi
by artist: Maria Callas
by artist: Nicola Rescigno
by artist: Orchestre De La Société Des Concerts Du Conservatoire
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genre: classical
genre: opera
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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: Verdi: Otello, Act 4: Canzone del salice. "Piangea cantando" (Desdemona)
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Puccini: La bohème, Act 1: "Sì. Mi chiamano Mimì" (Mimì, Rodolfo)
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by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Giuseppe Di Stefano
by artist: Antonino Votto
by artist: Orchestra Del Teatro Alla Scala, Milano
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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: 2026-07-08T03:53:27Z
audio: Puccini: La bohème, Act 1: "Sì. Mi chiamano Mimì" (Mimì, Rodolfo)
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Berlioz: La damnation de Faust, Op. 24, H 111, Pt. 4: "D'amour l'ardente flamme" (Marguerite)
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explicit: false
by artist: Hector Berlioz
by artist: Maria Callas
by artist: Georges Prêtre
by artist: Orchestre De La Société Des Concerts Du Conservatoire
in album: From Callas With Love
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genre: classical
genre: orchestra
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additional property: CopyrightID
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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: 2026-07-08T03:20:19Z
audio: Berlioz: La damnation de Faust, Op. 24, H 111, Pt. 4: "D'amour l'ardente flamme" (Marguerite)
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Massenet: Werther, Act 3: "Werther ! Werther !" - "Je vous écris de ma petite chambre" (Charlotte)
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by artist: Maria Callas
by artist: Georges Prêtre
by artist: Orchestre De La Société Des Concerts Du Conservatoire
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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: Massenet: Werther, Act 3: "Werther ! Werther !" - "Je vous écris de ma petite chambre" (Charlotte)
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Verdi: La traviata, Act 3: "Addio, del passato bei sogni ridenti" (Violetta)
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duration: PT3M26S
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by artist: Gabriele Santini
by artist: Orchestra Sinfonica Di Torino Della Rai
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Verdi: La traviata, Act 3: "Addio, del passato bei sogni ridenti" (Violetta)
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Puccini: Tosca, Act 1: "Mario! Mario! Mario!" (Tosca, Cavaradossi)
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duration: PT7M15S
duration ms: 435626
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by artist: Giacomo Puccini
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by artist: Carlo Bergonzi
by artist: Georges Prêtre
by artist: Orchestre De La Société Des Concerts Du Conservatoire
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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: 2026-07-08T03:20:19Z
audio: Puccini: Tosca, Act 1: "Mario! Mario! Mario!" (Tosca, Cavaradossi)
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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: Verdi: Il trovatore, Act 1: "Tacea la notte placida" - "Di tale amor" (Leonora)
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Mozart: Le nozze di Figaro, K. 492, Act 2: "Porgi, amor" (Contessa)
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by artist: Nicola Rescigno
by artist: Orchestre De La Société Des Concerts Du Conservatoire
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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
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Maria Callas - Cinema
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track: Bizet: Carmen, WD 31, Act 1: Habanera. "L'amour est un oiseau rebelle" (Carmen, Chœur)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Bellini: Norma, Act 1: "Casta diva" (Norma, Coro)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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  subject of: OpenTimestamps Proof of Existence
  audio: Bellini: Norma, Act 2: "Deh! Non volerli vittime" (Coro, Norma, Pollione, Oroveso)
track: Puccini: Gianni Schicchi: "O mio babbino caro" (Lauretta)
track: Cilea: Adriana Lecouvreur, Act 1: "Ecco, respiro appena... Io son l'umile ancella" (Adriana Lecouvreur)
track: Verdi: Nabucco, Act 2: Scena. "Ben io t'invenni" - Aria. "Anch'io dischiuso un giorno" (Abigaille)
track: Puccini: Tosca, Act 2: "Vissi d'arte" (Tosca)
track: Verdi: La traviata, Act 1: "Ah fors'e lui" (Violetta)
track: Catalani: La Wally, Act 1: "Ebben? Ne andrò lontana" (Wally)
track: Bellini: La sonnambula, Act 2: "Reggimi, o buona madre" (Amina, Teresa)
track: Giordano: Andrea Chénier, Act 3: "La mamma morta" (Maddalena)
track: Saint-Saëns: Samson et Dalila, Op. 47, Act 2: "Mon cœur s'ouvre à ta voix" (Dalila)
track: Puccini: Tosca, Act 1: "Ah, quegli occhi" - "Quale occhio al mondo può star di paro" (Tosca, Cavaradossi)
track: Bellini: I Puritani, Act 3: "Vieni fra queste braccia" (Elvira, Arturo)
track: Bellini: Il pirata, Act 2: "Oh! S'io potessi" - "Col sorriso d’innocenza" (Imogene)
track: Donizetti: Lucia di Lammermoor, Act 3: "Spargi d'amaro pianto" (Lucia, Raimondo, Coro, Enrico)

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

Bellini: Norma, Act 2: "Deh! Non volerli vittime" (Coro, Norma, Pollione, Oroveso)
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Puccini: Gianni Schicchi: "O mio babbino caro" (Lauretta)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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    value: Ab
  additional property: Mode Name
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Cilea: Adriana Lecouvreur, Act 1: "Ecco, respiro appena... Io son l'umile ancella" (Adriana Lecouvreur)
type: MusicRecording
duration: PT3M50S
duration ms: 230280
explicit: false
by artist: Francesco Cilea
by artist: Maria Callas
by artist: Tullio Serafin
by artist: Philharmonia Orchestra
in album: Maria Callas - Cinema
  type: MusicAlbum
  date published: 2024-10-11
genre: opera
isrc code: GBAYC1402631
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1402631
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c07633f86c0a47a65aea07a57f39c800eb683552362bf0479fff0e1b7573d06. 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/GBAYC1402631.
  date published: 2026-07-08T08:56:20Z
audio: Cilea: Adriana Lecouvreur, Act 1: "Ecco, respiro appena... Io son l'umile ancella" (Adriana Lecouvreur)
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 104.506
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Verdi: Nabucco, Act 2: Scena. "Ben io t'invenni" - Aria. "Anch'io dischiuso un giorno" (Abigaille)
type: MusicRecording
duration: PT9M9S
duration ms: 549040
explicit: false
by artist: Giuseppe Verdi
by artist: Maria Callas
by artist: Nicola Rescigno
by artist: Philharmonia Orchestra
in album: Maria Callas - Cinema
  type: MusicAlbum
  date published: 2024-10-11
genre: classical
genre: opera
isrc code: GBAYC1400484
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400484
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 0xac129b83b6daaad60e358a2cc06629c00ce015c1a30a436bc1624e45fa9ac9be. 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/GBAYC1400484.
  date published: 2026-07-08T03:53:27Z
audio: Verdi: Nabucco, Act 2: Scena. "Ben io t'invenni" - Aria. "Anch'io dischiuso un giorno" (Abigaille)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.618
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.296
  additional property: Energy
    type: PropertyValue
    value: 0.067
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.083
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.058
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.629
  additional property: Key Name
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  additional property: Mode Name
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Puccini: Tosca, Act 2: "Vissi d'arte" (Tosca)
type: MusicRecording
duration: PT3M0S
duration ms: 180053
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Georges Prêtre
by artist: Orchestre De La Société Des Concerts Du Conservatoire
in album: Maria Callas - Cinema
  type: MusicAlbum
  date published: 2024-10-11
isrc code: GBAYC1401040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T02:24:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3c5b158b0e914fddfb4d862a6fe2407d113bb758d3202744e8b2f62d5f030344
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1401040
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 0x3c5b158b0e914fddfb4d862a6fe2407d113bb758d3202744e8b2f62d5f030344. 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/GBAYC1401040.
  date published: 2026-07-08T03:22:41Z
audio: Puccini: Tosca, Act 2: "Vissi d'arte" (Tosca)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.634
  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: 0.242
  additional property: Energy
    type: PropertyValue
    value: 0.12
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.101
  additional property: Liveness
    type: PropertyValue
    value: 0.072
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.05
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.596
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Verdi: La traviata, Act 1: "Ah fors'e lui" (Violetta)
type: MusicRecording
duration: PT3M7S
duration ms: 187080
explicit: false
by artist: Giuseppe Verdi
by artist: Maria Callas
by artist: Gabriele Santini
by artist: Orchestra Sinfonica Di Torino Della Rai
in album: Maria Callas - Cinema
  type: MusicAlbum
  date published: 2024-10-11
genre: classical
genre: opera
isrc code: GBAYC1402638
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T16:38:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6ed692f11d7f825c36bd14d4fbdcfe465b210a5d66b8a8a372688498cacd4b6a
additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/GBAYC1402638
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 0x6ed692f11d7f825c36bd14d4fbdcfe465b210a5d66b8a8a372688498cacd4b6a. 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/GBAYC1402638.
  date published: 2026-07-08T03:53:27Z
audio: Verdi: La traviata, Act 1: "Ah fors'e lui" (Violetta)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 170.074
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.244
  additional property: Energy
    type: PropertyValue
    value: 0.083
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.084
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.135
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Catalani: La Wally, Act 1: "Ebben? Ne andrò lontana" (Wally)
type: MusicRecording
duration: PT4M54S
duration ms: 294533
explicit: false
by artist: Alfredo Catalani
by artist: Maria Callas
by artist: Tullio Serafin
by artist: Philharmonia Orchestra
in album: Maria Callas - Cinema
  type: MusicAlbum
  date published: 2024-10-11
genre: opera
isrc code: GBAYC1402625
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T11:39:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc49f8ad6a24f03ba2b0140f14650f7809fd53069c0e5f690c57d5635e7daf71b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1402625
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 0xc49f8ad6a24f03ba2b0140f14650f7809fd53069c0e5f690c57d5635e7daf71b. 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/GBAYC1402625.
  date published: 2026-07-08T03:22:41Z
audio: Catalani: La Wally, Act 1: "Ebben? Ne andrò lontana" (Wally)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.123
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.2
  additional property: Energy
    type: PropertyValue
    value: 0.121
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.057
  additional property: Liveness
    type: PropertyValue
    value: 0.187
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.418
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Bellini: La sonnambula, Act 2: "Reggimi, o buona madre" (Amina, Teresa)
type: MusicRecording
duration: PT4M34S
duration ms: 274960
explicit: false
by artist: Vincenzo Bellini
by artist: Maria Callas
by artist: Fiorenza Cossoto
by artist: Antonino Votto
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Maria Callas - Cinema
  type: MusicAlbum
  date published: 2024-10-11
genre: opera
isrc code: GBAYC1450183
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:35:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x64491e1e9b2b9380659cee33f007a15d6841052f507e2b2eb38a227cdefac9c5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450183
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64491e1e9b2b9380659cee33f007a15d6841052f507e2b2eb38a227cdefac9c5. 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/GBAYC1450183.
  date published: 2026-07-08T08:56:20Z
audio: Bellini: La sonnambula, Act 2: "Reggimi, o buona madre" (Amina, Teresa)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.037
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.269
  additional property: Energy
    type: PropertyValue
    value: 0.031
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.251
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.056
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.147
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Giordano: Andrea Chénier, Act 3: "La mamma morta" (Maddalena)
type: MusicRecording
duration: PT4M55S
duration ms: 295586
explicit: false
by artist: Umberto Giordano
by artist: Maria Callas
by artist: Tullio Serafin
by artist: Philharmonia Orchestra
in album: Maria Callas - Cinema
  type: MusicAlbum
  date published: 2024-10-11
genre: opera
isrc code: GBAYC1402629
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T11:59:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcb9cc4a5b45eae2cfdad8e0ade61e9e115b058c0d0770418d1790bc01d00c9fa
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/GBAYC1402629
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 0xcb9cc4a5b45eae2cfdad8e0ade61e9e115b058c0d0770418d1790bc01d00c9fa. 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/GBAYC1402629.
  date published: 2026-07-08T03:22:41Z
audio: Giordano: Andrea Chénier, Act 3: "La mamma morta" (Maddalena)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.884
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
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Saint-Saëns: Samson et Dalila, Op. 47, Act 2: "Mon cœur s'ouvre à ta voix" (Dalila)
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by artist: Camille Saint-Saëns
by artist: Maria Callas
by artist: Georges Prêtre
by artist: Orchestre National Radiodiffusion Française
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genre: classical
genre: late-romantic-era
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Saint-Saëns: Samson et Dalila, Op. 47, Act 2: "Mon cœur s'ouvre à ta voix" (Dalila)
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Puccini: Tosca, Act 1: "Ah, quegli occhi" - "Quale occhio al mondo può star di paro" (Tosca, Cavaradossi)
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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: Puccini: Tosca, Act 1: "Ah, quegli occhi" - "Quale occhio al mondo può star di paro" (Tosca, Cavaradossi)
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Bellini: I Puritani, Act 3: "Vieni fra queste braccia" (Elvira, Arturo)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Bellini: I Puritani, Act 3: "Vieni fra queste braccia" (Elvira, Arturo)
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Bellini: Il pirata, Act 2: "Oh! S'io potessi" - "Col sorriso d’innocenza" (Imogene)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Bellini: Il pirata, Act 2: "Oh! S'io potessi" - "Col sorriso d’innocenza" (Imogene)
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Donizetti: Lucia di Lammermoor, Act 3: "Spargi d'amaro pianto" (Lucia, Raimondo, Coro, Enrico)
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by artist: Tullio Serafin
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Donizetti: Lucia di Lammermoor, Act 3: "Spargi d'amaro pianto" (Lucia, Raimondo, Coro, Enrico)
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Love Duets
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date published: 2022-10-28

Made for Opera
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    date published: 2026-07-02T11:38:34Z
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track: La traviata / Act 1: Sempre libera
track: La traviata / Act 3: Addio del passato
track: Lucia di Lammermoor / Act 1: Regnava nel silenzio
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track: Lucia di Lammermoor / Act 3: Spargi d'amaro pianto
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OpenTimestamps Proof of Existence
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La traviata / Act 1: Follie! Delirio vano è questo!
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La traviata / Act 1: Sempre libera
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La traviata / Act 3: Addio del passato
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Lucia di Lammermoor / Act 3: Spargi d'amaro pianto
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Roméo et Juliette, CG 9 / Act 1: Ah, je veux vivre
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Roméo et Juliette, CG 9 / Act 4: Dieu! Quel frisson court dans mes veines?
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  date published: 2026-07-02T11:38:34Z
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Roméo et Juliette, CG 9 / Act 4: Amour, ranime mon courage
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subject of: OpenTimestamps Proof of Existence
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audio: Roméo et Juliette, CG 9 / Act 4: Amour, ranime mon courage
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track: Lucia di Lammermoor, Act II: Per te d'immenso giubilo
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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track: Lucia di Lammermoor, Act I: Percorrete le spiagge vicine
track: Lucia di Lammermoor, Act II: Piange la madre estinta
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track: Lucia di Lammermoor, Act I: Il tuo dubbio
track: Lucia di Lammermoor, Act II: T'allontana sciagurato
track: Lucia di Lammermoor, Act I: La pietade in suo favore
track: Lucia di Lammermoor, Act II: Sconsigliato in queste porte
track: Lucia di Lammermoor, Act I: Ancor non giunse!
track: Lucia di Lammermoor, Act I: Regnava nel silenzio
track: Lucia di Lammermoor, Act III: D'immenso giubilo
track: Lucia di Lammermoor, Act III: Ah! cessate quel contento
track: Lucia di Lammermoor, Act III: Ah! Dalle stanze ove Lucia
track: Lucia di Lammermoor, Act III: Oh! qual funesto avvenimento!
track: Lucia di Lammermoor, Act I: Ah, verranno a te sull'aure
track: Lucia di Lammermoor, Act III: Il dolce suono
track: Lucia di Lammermoor, Act II: Lucia, fra poco a te verrà
track: Lucia di Lammermoor, Act III: S'avanza Enrico
track: Lucia di Lammermoor, Act II: Appressati, Lucia
track: Lucia di Lammermoor, Act II: Il pallor, funesto, orrendo
track: Lucia di Lammermoor, Act III: Tombe degli avi miei
track: Lucia di Lammermoor, Act II: Soffriva nel pianto
track: Lucia di Lammermoor, Act II: Che fia!...Suonar di giubilo
track: Lucia di Lammermoor, Act II: Ah! cedi, cedi
track: Lucia di Lammermoor, Act II: Al ben de'tuoi qual vittima

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

Lucia di Lammermoor, Act II: Piange la madre estinta
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB2DY2200451
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 0x1a0aae5afee4a9a706dc61691857ec256ca7ff1b004d4a56db497d6367c0eb6e. 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/GB2DY2200451.
  date published: 2026-07-08T03:20:19Z
audio: Lucia di Lammermoor, Act I: La pietade in suo favore
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Lucia di Lammermoor, Act II: Sconsigliato in queste porte
type: MusicRecording
duration: PT2M6S
duration ms: 126876
explicit: false
by artist: Gaetano Donizetti
by artist: Stefano Antonucci
by artist: Andrea Bocelli
by artist: Mariano Buccino
by artist: Zuzana Markova
by artist: Coro del Teatro Carlo Felice di Genova
by artist: Orchestra del Teatro Carlo Felice di Genova
by artist: Andriy Yurkevych
in album: Donizetti: Lucia di Lammermoor
  type: MusicAlbum
  date published: 2023-09-08
popularity: 4
genre: opera
isrc code: GB2DY2200473
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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  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB2DY2200473
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 0x7abfc924b1f705d76f0bb6caad932159310bc1ed79209a44f23aac9057dd4ae0. 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/GB2DY2200473.
  date published: 2026-07-08T03:20:19Z
audio: Lucia di Lammermoor, Act II: Sconsigliato in queste porte
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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: Valence (Positivity)
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Lucia di Lammermoor, Act I: Ancor non giunse!
type: MusicRecording
duration: PT4M16S
duration ms: 256741
explicit: false
by artist: Gaetano Donizetti
by artist: Zuzana Markova
by artist: Carlotta Vichi
by artist: Orchestra del Teatro Carlo Felice di Genova
by artist: Andriy Yurkevych
in album: Donizetti: Lucia di Lammermoor
  type: MusicAlbum
  date published: 2023-09-08
popularity: 5
genre: opera
isrc code: GB2DY2200452
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB2DY2200452
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 0x36c6cecd87afa1084a0f1d9e5a7b5c53401961878989aaa71dc3ff26b9be780a. 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/GB2DY2200452.
  date published: 2026-07-07T14:50:41Z
audio: Lucia di Lammermoor, Act I: Ancor non giunse!
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Lucia di Lammermoor, Act I: Regnava nel silenzio
type: MusicRecording
duration: PT8M34S
duration ms: 514864
explicit: false
by artist: Gaetano Donizetti
by artist: Zuzana Markova
by artist: Carlotta Vichi
by artist: Orchestra del Teatro Carlo Felice di Genova
by artist: Andriy Yurkevych
in album: Donizetti: Lucia di Lammermoor
  type: MusicAlbum
  date published: 2023-09-08
popularity: 5
genre: opera
isrc code: GB2DY2200453
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x2c95e49820d41e14474fa5bc6479363d9a7f8c9d84f3bc42f71f8493fa2ccda4
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/GB2DY2200453
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 0x2c95e49820d41e14474fa5bc6479363d9a7f8c9d84f3bc42f71f8493fa2ccda4. 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/GB2DY2200453.
  date published: 2026-07-08T03:22:41Z
audio: Lucia di Lammermoor, Act I: Regnava nel silenzio
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Lucia di Lammermoor, Act III: D'immenso giubilo
type: MusicRecording
duration: PT1M41S
duration ms: 101186
explicit: false
by artist: Gaetano Donizetti
by artist: Coro del Teatro Carlo Felice di Genova
by artist: Orchestra del Teatro Carlo Felice di Genova
by artist: Andriy Yurkevych
in album: Donizetti: Lucia di Lammermoor
  type: MusicAlbum
  date published: 2023-09-08
popularity: 4
genre: opera
isrc code: GB2DY2200475
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB2DY2200475
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 0xf54af16a21e8831c91ed23d89a7a556d7ff2e993df18b46986418bef0db82473. 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/GB2DY2200475.
  date published: 2026-07-08T03:22:41Z
audio: Lucia di Lammermoor, Act III: D'immenso giubilo
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Lucia di Lammermoor, Act III: Ah! cessate quel contento
type: MusicRecording
duration: PT0M36S
duration ms: 36872
explicit: false
by artist: Gaetano Donizetti
by artist: Mariano Buccino
by artist: Coro del Teatro Carlo Felice di Genova
by artist: Orchestra del Teatro Carlo Felice di Genova
by artist: Andriy Yurkevych
in album: Donizetti: Lucia di Lammermoor
  type: MusicAlbum
  date published: 2023-09-08
popularity: 5
genre: opera
isrc code: GB2DY2200476
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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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 0xc2be8fcc0bac7f74b342421f2eeda90749ecbbf2ed843881f5c17892999fac2f. 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/GB2DY2200476.
  date published: 2026-07-08T03:22:41Z
audio: Lucia di Lammermoor, Act III: Ah! cessate quel contento
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Mode Name
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Lucia di Lammermoor, Act III: Ah! Dalle stanze ove Lucia
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duration: PT2M39S
duration ms: 159856
explicit: false
by artist: Gaetano Donizetti
by artist: Mariano Buccino
by artist: Orchestra del Teatro Carlo Felice di Genova
by artist: Andriy Yurkevych
in album: Donizetti: Lucia di Lammermoor
  type: MusicAlbum
  date published: 2023-09-08
popularity: 4
genre: opera
isrc code: GB2DY2200477
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: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a20089da0d55d23d6ea0c490a1d8fef8703ee5cba3602de8b92dbc1a66fc3c3. 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/GB2DY2200477.
  date published: 2026-07-08T03:22:41Z
audio: Lucia di Lammermoor, Act III: Ah! Dalle stanze ove Lucia
  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: 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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Lucia di Lammermoor, Act III: Oh! qual funesto avvenimento!
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duration: PT3M19S
duration ms: 199962
explicit: false
by artist: Gaetano Donizetti
by artist: Coro del Teatro Carlo Felice di Genova
by artist: Mariano Buccino
by artist: Orchestra del Teatro Carlo Felice di Genova
by artist: Andriy Yurkevych
in album: Donizetti: Lucia di Lammermoor
  type: MusicAlbum
  date published: 2023-09-08
popularity: 4
genre: opera
isrc code: GB2DY2200478
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: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc014e905f39a473384fd66994b39a03d48a35a3fc2038c64eba9756870a62a2c. 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/GB2DY2200478.
  date published: 2026-07-08T03:53:27Z
audio: Lucia di Lammermoor, Act III: Oh! qual funesto avvenimento!
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  additional property: Energy
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Lucia di Lammermoor, Act I: Ah, verranno a te sull'aure
type: MusicRecording
duration: PT4M20S
duration ms: 260959
explicit: false
by artist: Gaetano Donizetti
by artist: Zuzana Markova
by artist: Andrea Bocelli
by artist: Orchestra del Teatro Carlo Felice di Genova
by artist: Andriy Yurkevych
in album: Donizetti: Lucia di Lammermoor
  type: MusicAlbum
  date published: 2023-09-08
popularity: 5
genre: opera
isrc code: GB2DY2200457
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB2DY2200457
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T04:27:57Z
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 0xac699324d1446fce270b1e739accb5f71b87195db729a83f58d939749b76746b. Chain 2 (Bitcoin): anchored in block 956995 (2026-07-07T04:27:57Z), 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/GB2DY2200457.
  date published: 2026-07-07T04:27:57Z
audio: Lucia di Lammermoor, Act I: Ah, verranno a te sull'aure
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Lucia di Lammermoor, Act III: Il dolce suono
type: MusicRecording
duration: PT12M22S
duration ms: 742173
explicit: false
by artist: Gaetano Donizetti
by artist: Zuzana Markova
by artist: Didier Pieri
by artist: Mariano Buccino
by artist: Coro del Teatro Carlo Felice di Genova
by artist: Orchestra del Teatro Carlo Felice di Genova
by artist: Andriy Yurkevych
in album: Donizetti: Lucia di Lammermoor
  type: MusicAlbum
  date published: 2023-09-08
popularity: 4
genre: opera
isrc code: GB2DY2200479
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB2DY2200479
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 0x8a409b3db5d09c46591c2156d4c52cbf228890804515f1c37f7458f46c2862fb. 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/GB2DY2200479.
  date published: 2026-07-08T03:20:19Z
audio: Lucia di Lammermoor, Act III: Il dolce suono
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Lucia di Lammermoor, Act II: Lucia, fra poco a te verrà
type: MusicRecording
duration: PT3M13S
duration ms: 193593
explicit: false
by artist: Gaetano Donizetti
by artist: Didier Pieri
by artist: Stefano Antonucci
by artist: Orchestra del Teatro Carlo Felice di Genova
by artist: Andriy Yurkevych
in album: Donizetti: Lucia di Lammermoor
  type: MusicAlbum
  date published: 2023-09-08
popularity: 4
genre: opera
isrc code: GB2DY2200458
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:27:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1d86cbc8dc5c461da9b6d488d0a6185f4155d4321460843948c377b955df21f3
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/GB2DY2200458
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 0x1d86cbc8dc5c461da9b6d488d0a6185f4155d4321460843948c377b955df21f3. 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/GB2DY2200458.
  date published: 2026-07-08T03:22:41Z
audio: Lucia di Lammermoor, Act II: Lucia, fra poco a te verrà
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Lucia di Lammermoor, Act III: S'avanza Enrico
type: MusicRecording
duration: PT2M48S
duration ms: 168413
explicit: false
by artist: Gaetano Donizetti
by artist: Andrea Bocelli
by artist: Mariano Buccino
by artist: Stefano Antonucci
by artist: Zuzana Markova
by artist: Coro del Teatro Carlo Felice di Genova
by artist: Orchestra del Teatro Carlo Felice di Genova
by artist: Andriy Yurkevych
in album: Donizetti: Lucia di Lammermoor
  type: MusicAlbum
  date published: 2023-09-08
popularity: 3
genre: opera
isrc code: GB2DY2200480
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB2DY2200480
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 0x30491382dc7bea7d4386878fad0a41be0770dc2cdcf83e43a55de1d0399a2fd5. 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/GB2DY2200480.
  date published: 2026-07-08T03:20:19Z
audio: Lucia di Lammermoor, Act III: S'avanza Enrico
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Lucia di Lammermoor, Act II: Appressati, Lucia
type: MusicRecording
duration: PT1M22S
duration ms: 82141
explicit: false
by artist: Gaetano Donizetti
by artist: Stefano Antonucci
by artist: Orchestra del Teatro Carlo Felice di Genova
by artist: Andriy Yurkevych
in album: Donizetti: Lucia di Lammermoor
  type: MusicAlbum
  date published: 2023-09-08
popularity: 6
genre: opera
isrc code: GB2DY2200460
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB2DY2200460
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 0x9031e490b8cfcbc0a01ef9ffef7d4d43035c29b49dcecb7e93be8ec238251b7b. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB2DY2200460.
  date published: 2026-07-07T18:39:05Z
audio: Lucia di Lammermoor, Act II: Appressati, Lucia
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Lucia di Lammermoor, Act II: Il pallor, funesto, orrendo
type: MusicRecording
duration: PT3M55S
duration ms: 235904
explicit: false
by artist: Gaetano Donizetti
by artist: Zuzana Markova
by artist: Stefano Antonucci
by artist: Orchestra del Teatro Carlo Felice di Genova
by artist: Andriy Yurkevych
in album: Donizetti: Lucia di Lammermoor
  type: MusicAlbum
  date published: 2023-09-08
popularity: 4
genre: opera
isrc code: GB2DY2200461
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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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/GB2DY2200461
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 0x236842116eb90716a901184fff70563d10627072a2da7618ba3efbf349459f65. 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/GB2DY2200461.
  date published: 2026-07-08T03:20:19Z
audio: Lucia di Lammermoor, Act II: Il pallor, funesto, orrendo
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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Lucia di Lammermoor, Act III: Tombe degli avi miei
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duration: PT4M11S
duration ms: 251882
explicit: false
by artist: Gaetano Donizetti
by artist: Andrea Bocelli
by artist: Orchestra del Teatro Carlo Felice di Genova
by artist: Andriy Yurkevych
in album: Donizetti: Lucia di Lammermoor
  type: MusicAlbum
  date published: 2023-09-08
popularity: 5
genre: opera
isrc code: GB2DY2200482
additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5365e5b92979574b1afa2d76d453223bab7516f8dbbeb51d651a7d592ae0bbc8. 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/GB2DY2200482.
  date published: 2026-07-08T03:20:19Z
audio: Lucia di Lammermoor, Act III: Tombe degli avi miei
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Lucia di Lammermoor, Act II: Soffriva nel pianto
type: MusicRecording
duration: PT3M42S
duration ms: 222762
explicit: false
by artist: Gaetano Donizetti
by artist: Zuzana Markova
by artist: Stefano Antonucci
by artist: Orchestra del Teatro Carlo Felice di Genova
by artist: Andriy Yurkevych
in album: Donizetti: Lucia di Lammermoor
  type: MusicAlbum
  date published: 2023-09-08
popularity: 4
genre: opera
isrc code: GB2DY2200462
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53b8f105d161c9260c2d8d333cd945af1934725f39936a58e10ab070db2c0046. 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/GB2DY2200462.
  date published: 2026-07-08T03:22:41Z
audio: Lucia di Lammermoor, Act II: Soffriva nel pianto
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Lucia di Lammermoor, Act II: Che fia!...Suonar di giubilo
type: MusicRecording
duration: PT1M24S
duration ms: 84021
explicit: false
by artist: Gaetano Donizetti
by artist: Zuzana Markova
by artist: Stefano Antonucci
by artist: Orchestra del Teatro Carlo Felice di Genova
by artist: Andriy Yurkevych
in album: Donizetti: Lucia di Lammermoor
  type: MusicAlbum
  date published: 2023-09-08
popularity: 4
genre: opera
isrc code: GB2DY2200463
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: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed03ec27db2b1774680b22c6b229dde640196c4cefa7704d374ed49c2507890a. 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/GB2DY2200463.
  date published: 2026-07-08T03:20:19Z
audio: Lucia di Lammermoor, Act II: Che fia!...Suonar di giubilo
  type: AudioObject
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  additional property: Danceability
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Lucia di Lammermoor, Act II: Ah! cedi, cedi
type: MusicRecording
duration: PT2M25S
duration ms: 145557
explicit: false
by artist: Gaetano Donizetti
by artist: Andrea Bocelli
by artist: Mariano Buccino
by artist: Zuzana Markova
by artist: Orchestra del Teatro Carlo Felice di Genova
by artist: Andriy Yurkevych
in album: Donizetti: Lucia di Lammermoor
  type: MusicAlbum
  date published: 2023-09-08
popularity: 4
genre: opera
isrc code: GB2DY2200466
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x628861213c46b52c76e39d3aa89b928274f8c7ecf3c1be16318db6dfa9ea4016. 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/GB2DY2200466.
  date published: 2026-07-08T03:20:19Z
audio: Lucia di Lammermoor, Act II: Ah! cedi, cedi
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Lucia di Lammermoor, Act II: Al ben de'tuoi qual vittima
type: MusicRecording
duration: PT2M0S
duration ms: 120213
explicit: false
by artist: Gaetano Donizetti
by artist: Mariano Buccino
by artist: Zuzana Markova
by artist: Orchestra del Teatro Carlo Felice di Genova
by artist: Andriy Yurkevych
in album: Donizetti: Lucia di Lammermoor
  type: MusicAlbum
  date published: 2023-09-08
popularity: 4
genre: opera
isrc code: GB2DY2200467
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb47c1cac4c3b6d96b3ef79d5b3f5ab57e0700f9702c143f910ac0d338bd852a3. 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/GB2DY2200467.
  date published: 2026-07-08T03:53:27Z
audio: Lucia di Lammermoor, Act II: Al ben de'tuoi qual vittima
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Loudness (dB)
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Boulevard des Italiens
type: MusicAlbum
date published: 2022-04-08
track: Madama Butterfly, SC 74: Adieu, sejour fleuri
  type: MusicRecording
  duration: PT2M17S
  duration ms: 137120
  explicit: false
  by artist: Giacomo Puccini
  by artist: Benjamin Bernheim
  by artist: Orchestra del Teatro Comunale di Bologna
  by artist: Frédéric Chaslin
  in album: Boulevard des Italiens
    type: MusicAlbum
    date published: 2022-04-08
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  additional property: CopyrightRegisteredAt
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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 0x08ce8e85be08b16f62ba39da1ed7629898e5ce11d11eb97757f1ed2ac29c1cfe. 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/DEN962102000.
    date published: 2026-07-08T03:53:27Z
  audio: Madama Butterfly, SC 74: Adieu, sejour fleuri
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: La Favorite: Ange si pur
  type: MusicRecording
  duration: PT3M23S
  duration ms: 203146
  explicit: false
  by artist: Gaetano Donizetti
  by artist: Benjamin Bernheim
  by artist: Orchestra del Teatro Comunale di Bologna
  by artist: Frédéric Chaslin
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    type: MusicAlbum
    date published: 2022-04-08
  genre: opera
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84ba4b40083ecd31b4ac42d4a9092629520304a262aa5aa293f4b220b1a67bc1. 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/DEN962102020.
    date published: 2026-07-08T03:53:27Z
  audio: La Favorite: Ange si pur
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -26.184
    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Don Carlos: Je l'ai vue
  type: MusicRecording
  duration: PT2M34S
  duration ms: 154626
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Benjamin Bernheim
  by artist: Orchestra del Teatro Comunale di Bologna
  by artist: Frédéric Chaslin
  in album: Boulevard des Italiens
    type: MusicAlbum
    date published: 2022-04-08
  genre: classical
  genre: opera
  isrc code: DEN962102040
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T03:16:08+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: Don Carlos: Je l'ai vue
track: Don Carlos: Le voilà! ... Toi, mon Rodrigue
track: Dom Sébastien: Seul sur la terre
track: Jérusalem: L'Emir auprès de lui m'appelle
track: Jérusalem: Je veux encore entendre ta voix
track: Ali Baba: C’en est donc fait
track: Ali Baba: C’est de toi, ma Delie
track: Les vêpres siciliennes: Ô toi que j'ai chérie
track: Tosca, SC 69: O de beautés égales

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x8437afa2cc7ba4e4732a8158ce0497a40454f8df9879a8bb2620639c5a689b70

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 957124

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957124

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962102040

OTSTimestamp
type: PropertyValue
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 0x8437afa2cc7ba4e4732a8158ce0497a40454f8df9879a8bb2620639c5a689b70. 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/DEN962102040.
date published: 2026-07-08T03:53:27Z

Don Carlos: Je l'ai vue
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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  value: 5
additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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  value: 0.268
additional property: Liveness
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additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.048
additional property: Loudness (dB)
  type: PropertyValue
  value: -25.243
additional property: Key Name
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  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Don Carlos: Le voilà! ... Toi, mon Rodrigue
type: MusicRecording
duration: PT5M54S
duration ms: 354520
explicit: false
by artist: Giuseppe Verdi
by artist: Benjamin Bernheim
by artist: Florian Sempey
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Frédéric Chaslin
in album: Boulevard des Italiens
  type: MusicAlbum
  date published: 2022-04-08
genre: classical
genre: opera
isrc code: DEN962102050
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962102050
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 0x4139d9e8948fd1da18d5594a2d4a800db0772d4bde338513c94d994ff1c09873. 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/DEN962102050.
  date published: 2026-07-08T03:20:19Z
audio: Don Carlos: Le voilà! ... Toi, mon Rodrigue
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.15
  additional property: Musical Key
    type: PropertyValue
    value: 1
  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: 0.232
  additional property: Energy
    type: PropertyValue
    value: 0.213
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.96
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.397
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.102
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.724
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
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Dom Sébastien: Seul sur la terre
type: MusicRecording
duration: PT5M9S
duration ms: 309440
explicit: false
by artist: Gaetano Donizetti
by artist: Benjamin Bernheim
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Frédéric Chaslin
in album: Boulevard des Italiens
  type: MusicAlbum
  date published: 2022-04-08
genre: opera
isrc code: DEN962102070
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:47:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4fb6e6eb02cf2faa815061810a265a86fc8e0fe01d5e5c990c826fa11dd5d168
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962102070
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 0x4fb6e6eb02cf2faa815061810a265a86fc8e0fe01d5e5c990c826fa11dd5d168. 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/DEN962102070.
  date published: 2026-07-08T03:22:41Z
audio: Dom Sébastien: Seul sur la terre
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.398
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.169
  additional property: Energy
    type: PropertyValue
    value: 0.164
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.201
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.073
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.447
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
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Jérusalem: L'Emir auprès de lui m'appelle
type: MusicRecording
duration: PT2M38S
duration ms: 158560
explicit: false
by artist: Giuseppe Verdi
by artist: Benjamin Bernheim
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Frédéric Chaslin
in album: Boulevard des Italiens
  type: MusicAlbum
  date published: 2022-04-08
genre: classical
genre: opera
isrc code: DEN962102100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:28:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x608a128d84114ded66b0655ce6ee2182e9d5929aeee819131a1066ec8a29ae2f
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/DEN962102100
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 0x608a128d84114ded66b0655ce6ee2182e9d5929aeee819131a1066ec8a29ae2f. 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/DEN962102100.
  date published: 2026-07-08T03:53:27Z
audio: Jérusalem: L'Emir auprès de lui m'appelle
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 162.216
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.223
  additional property: Energy
    type: PropertyValue
    value: 0.067
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.02
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.09
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.484
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
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Jérusalem: Je veux encore entendre ta voix
type: MusicRecording
duration: PT3M12S
duration ms: 192026
explicit: false
by artist: Giuseppe Verdi
by artist: Benjamin Bernheim
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Frédéric Chaslin
in album: Boulevard des Italiens
  type: MusicAlbum
  date published: 2022-04-08
genre: classical
genre: opera
isrc code: DEN962102110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:51:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1b64a5d8aa416d6ad0fe309819826755f343bd5840a92333806622f51046b458
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962102110
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 0x1b64a5d8aa416d6ad0fe309819826755f343bd5840a92333806622f51046b458. 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/DEN962102110.
  date published: 2026-07-08T03:53:27Z
audio: Jérusalem: Je veux encore entendre ta voix
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.818
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.195
  additional property: Energy
    type: PropertyValue
    value: 0.146
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.312
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.166
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.653
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Ali Baba: C’en est donc fait
type: MusicRecording
duration: PT2M38S
duration ms: 158640
explicit: false
by artist: Luigi Cherubini
by artist: Benjamin Bernheim
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Frédéric Chaslin
in album: Boulevard des Italiens
  type: MusicAlbum
  date published: 2022-04-08
genre: classical
genre: requiem
isrc code: DEN962102120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:15:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xce39292eac6fbf7637c18b465ea5ee6c509fd2947f0d21a4f24e460f9d6392f6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962102120
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 0xce39292eac6fbf7637c18b465ea5ee6c509fd2947f0d21a4f24e460f9d6392f6. 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/DEN962102120.
  date published: 2026-07-08T03:20:19Z
audio: Ali Baba: C’en est donc fait
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.852
  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: 0.309
  additional property: Energy
    type: PropertyValue
    value: 0.151
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.11
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.266
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Ali Baba: C’est de toi, ma Delie
type: MusicRecording
duration: PT4M38S
duration ms: 278013
explicit: false
by artist: Luigi Cherubini
by artist: Benjamin Bernheim
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Frédéric Chaslin
in album: Boulevard des Italiens
  type: MusicAlbum
  date published: 2022-04-08
genre: classical
genre: requiem
isrc code: DEN962102130
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:49:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x667f2ead27d5464dcd6e2aa48d1045ea62729c216554c955b52387c0fd415038
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962102130
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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Les vêpres siciliennes: Ô toi que j'ai chérie
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subject of: OpenTimestamps Proof of Existence
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audio: Les vêpres siciliennes: Ô toi que j'ai chérie
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Tosca, SC 69: O de beautés égales
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subject of: OpenTimestamps Proof of Existence
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audio: Tosca, SC 69: O de beautés égales
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Diva by Daisy Goodwin
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T17:25:41Z
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track: Puccini: Tosca, Act 2: "Vissi d'arte" (Tosca)
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    date published: 2026-07-08T03:22:41Z
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track: Gluck: Alceste, Wq. 44, Act 1: "Divinités du Styx" (Alceste)
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  audio: Gluck: Alceste, Wq. 44, Act 1: "Divinités du Styx" (Alceste)
track: Bizet: Carmen, WD 31, Act 1: Habanera. "L'amour est un oiseau rebelle" (Carmen, Chœur)
track: Verdi: La traviata, Act 1: "Sempre libera" (Violetta, Alfredo)
track: Puccini: Gianni Schicchi: "O mio babbino caro" (Lauretta)
track: Gounod: Roméo et Juliette, Act 1: Valse. "Ah ! Je veux vivre dans ce rêve" (Juliette)
track: Catalani: La Wally, Act 1: "Ebben? Ne andrò lontana" (Wally)
track: Giordano: Andrea Chénier, Act 3: "La mamma morta" (Maddalena)
track: Charpentier: Louise, Act 3: "Depuis le jour où je me suis donnée" (Louise)
track: Verdi: La traviata, Act 1: "Ah fors'e lui" (Violetta)
track: Bizet: Carmen, Act 2: "Les tringles des sistres tintaient" (Carmen, Frasquita, Mercédès)
track: Donizetti: Lucia di Lammermoor, Act 1: "Regnava nel silenzio alta la notte e bruna" (Lucia, Alisa)
track: Rossini: Il barbiere di Siviglia, Act 1: "Una voce poco fa" (Rosina)
track: Bellini: La sonnambula, Act 2: "Ah! non credea mirarti" (Amina, Elvino)
track: Saint-Saëns: Samson et Dalila, Op. 47, Act 2: "Mon cœur s'ouvre à ta voix" (Dalila)
track: Verdi: Otello, Act 4: "Ave Maria" (Desdemona)

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OpenTimestamps Proof of Existence
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date published: 2026-07-07T16:43:21Z

Gluck: Alceste, Wq. 44, Act 1: "Divinités du Styx" (Alceste)
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Bizet: Carmen, WD 31, Act 1: Habanera. "L'amour est un oiseau rebelle" (Carmen, Chœur)
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subject of: OpenTimestamps Proof of Existence
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  additional property: Valence (Positivity)
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Verdi: La traviata, Act 1: "Sempre libera" (Violetta, Alfredo)
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duration: PT4M2S
duration ms: 242586
explicit: false
by artist: Giuseppe Verdi
by artist: Maria Callas
by artist: Francesco Albanese
by artist: Gabriele Santini
by artist: Orchestra Sinfonica Di Torino Della Rai
in album: Diva by Daisy Goodwin
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  date published: 2024-01-23
genre: classical
genre: opera
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56f48f8866417a0be2f7cef7f423ac94e897c0c8c90063e21d9288324947650b. 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/GBAYC1402626.
  date published: 2026-07-08T03:22:41Z
audio: Verdi: La traviata, Act 1: "Sempre libera" (Violetta, Alfredo)
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Puccini: Gianni Schicchi: "O mio babbino caro" (Lauretta)
type: MusicRecording
duration: PT2M34S
duration ms: 154506
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Tullio Serafin
by artist: Philharmonia Orchestra
in album: Diva by Daisy Goodwin
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0475b7c86d692ab4e89318f3de9297b244b9f23e9836c689367cd237a4d18bd. 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/GBAYC1400387.
  date published: 2026-07-08T03:20:19Z
audio: Puccini: Gianni Schicchi: "O mio babbino caro" (Lauretta)
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Gounod: Roméo et Juliette, Act 1: Valse. "Ah ! Je veux vivre dans ce rêve" (Juliette)
type: MusicRecording
duration: PT3M41S
duration ms: 221306
explicit: false
by artist: Charles Gounod
by artist: Maria Callas
by artist: Georges Prêtre
by artist: Orchestre National Radiodiffusion Française
in album: Diva by Daisy Goodwin
  type: MusicAlbum
  date published: 2024-01-23
genre: opera
isrc code: GBAYC1400553
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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 0xafe89fce96cfff3df4eb16d6215cf7dbd97a7df1c9449730750c292557a193fd. 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/GBAYC1400553.
  date published: 2026-07-08T03:53:27Z
audio: Gounod: Roméo et Juliette, Act 1: Valse. "Ah ! Je veux vivre dans ce rêve" (Juliette)
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Catalani: La Wally, Act 1: "Ebben? Ne andrò lontana" (Wally)
type: MusicRecording
duration: PT4M54S
duration ms: 294533
explicit: false
by artist: Alfredo Catalani
by artist: Maria Callas
by artist: Tullio Serafin
by artist: Philharmonia Orchestra
in album: Diva by Daisy Goodwin
  type: MusicAlbum
  date published: 2024-01-23
genre: opera
isrc code: GBAYC1402625
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc49f8ad6a24f03ba2b0140f14650f7809fd53069c0e5f690c57d5635e7daf71b. 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/GBAYC1402625.
  date published: 2026-07-08T03:53:27Z
audio: Catalani: La Wally, Act 1: "Ebben? Ne andrò lontana" (Wally)
  type: AudioObject
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  additional property: Musical Key
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Giordano: Andrea Chénier, Act 3: "La mamma morta" (Maddalena)
type: MusicRecording
duration: PT4M52S
duration ms: 292853
explicit: false
by artist: Umberto Giordano
by artist: Maria Callas
by artist: Tullio Serafin
by artist: Philharmonia Orchestra
in album: Diva by Daisy Goodwin
  type: MusicAlbum
  date published: 2024-01-23
genre: opera
isrc code: GBAYC1400393
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dc90c8e0831fe39128e04836907734c43c2cb9b911b23e35161c0987b1b3b7f. 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/GBAYC1400393.
  date published: 2026-07-07T18:50:38Z
audio: Giordano: Andrea Chénier, Act 3: "La mamma morta" (Maddalena)
  type: AudioObject
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  additional property: Energy
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Charpentier: Louise, Act 3: "Depuis le jour où je me suis donnée" (Louise)
type: MusicRecording
duration: PT4M47S
duration ms: 287200
explicit: false
by artist: Gustave Charpentier
by artist: Maria Callas
by artist: Georges Prêtre
by artist: Orchestre National Radiodiffusion Française
in album: Diva by Daisy Goodwin
  type: MusicAlbum
  date published: 2024-01-23
genre: opera
isrc code: GBAYC1400556
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3aeaff10328281c4cd8e6f319f33c07f74a64803e05d7ce92ee46c7fae3d9ba. 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/GBAYC1400556.
  date published: 2026-07-08T03:20:19Z
audio: Charpentier: Louise, Act 3: "Depuis le jour où je me suis donnée" (Louise)
  type: AudioObject
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  additional property: Mode (Major/Minor)
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  additional property: Valence (Positivity)
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Verdi: La traviata, Act 1: "Ah fors'e lui" (Violetta)
type: MusicRecording
duration: PT3M7S
duration ms: 187080
explicit: false
by artist: Giuseppe Verdi
by artist: Maria Callas
by artist: Gabriele Santini
by artist: Orchestra Sinfonica Di Torino Della Rai
in album: Diva by Daisy Goodwin
  type: MusicAlbum
  date published: 2024-01-23
genre: classical
genre: opera
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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: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ed692f11d7f825c36bd14d4fbdcfe465b210a5d66b8a8a372688498cacd4b6a. 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/GBAYC1402638.
  date published: 2026-07-08T03:53:27Z
audio: Verdi: La traviata, Act 1: "Ah fors'e lui" (Violetta)
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Bizet: Carmen, Act 2: "Les tringles des sistres tintaient" (Carmen, Frasquita, Mercédès)
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by artist: Georges Bizet
by artist: Maria Callas
by artist: Jane Berbié
by artist: Nadine Sautereau
by artist: Georges Prêtre
by artist: Orchestre du Théâtre National de l'Opéra de Paris
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Bizet: Carmen, Act 2: "Les tringles des sistres tintaient" (Carmen, Frasquita, Mercédès)
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Donizetti: Lucia di Lammermoor, Act 1: "Regnava nel silenzio alta la notte e bruna" (Lucia, Alisa)
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by artist: Margreta Elkins
by artist: Tullio Serafin
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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: Donizetti: Lucia di Lammermoor, Act 1: "Regnava nel silenzio alta la notte e bruna" (Lucia, Alisa)
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Rossini: Il barbiere di Siviglia, Act 1: "Una voce poco fa" (Rosina)
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by artist: Maria Callas
by artist: Alceo Galliera
by artist: Philharmonia Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Rossini: Il barbiere di Siviglia, Act 1: "Una voce poco fa" (Rosina)
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Bellini: La sonnambula, Act 2: "Ah! non credea mirarti" (Amina, Elvino)
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by artist: Nicola Monti
by artist: Orchestra Del Teatro Alla Scala, Milano
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Bellini: La sonnambula, Act 2: "Ah! non credea mirarti" (Amina, Elvino)
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Saint-Saëns: Samson et Dalila, Op. 47, Act 2: "Mon cœur s'ouvre à ta voix" (Dalila)
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duration: PT5M23S
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by artist: Camille Saint-Saëns
by artist: Maria Callas
by artist: Georges Prêtre
by artist: Orchestre National Radiodiffusion Française
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genre: classical
genre: late-romantic-era
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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: Saint-Saëns: Samson et Dalila, Op. 47, Act 2: "Mon cœur s'ouvre à ta voix" (Dalila)
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Verdi: Otello, Act 4: "Ave Maria" (Desdemona)
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by artist: Nicola Rescigno
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Verdi: Otello, Act 4: "Ave Maria" (Desdemona)
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CellOpéra!
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track: Tannhäuser, O du, mein holder Abendstern, Wagner

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Donizetti: Lucia di Lammermoor, A. 46
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Lebendige Vergangenheit, Vol. 2
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La Divina - The Art Of Maria Callas
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Donizetti: Linda di Chamounix, A. 62
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Messa Di Gloria E Credo
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The Master
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The Art Of Beniamino Gigli, Vol. 3
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Historical Archives, Vol. 1
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Giuseppe Anselmi: Collection
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8 Arias & 8 Songs
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Great Voices of the Century
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track: Maria Stuarda / Act 3: "Oh mio buon Talbot!" - "Delle miei colpe lo squallido
track: Maria Stuarda / Act 3: "Vedeste? - Vedemmo. Oh truce apparato!
track: Maria Stuarda / Act 2: "Da tutti abbandonata"
track: Maria Stuarda / Act 3: "Deh! Tu di un umile preghiera"
track: Maria Stuarda / Act 2: "Qual loco è questo?"
track: Maria Stuarda / Act 2: "E sempre la stessa"
track: Maria Stuarda / Act 2: "Deh! l'accogli" - "Morta al mondo, e morta al trono"
track: Maria Stuarda / Act 2: "Va, preparati, furente"
track: Maria Stuarda / Act 3: "Ah! se un giorno"
track: Maria Stuarda / Act 1: Prelude

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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe785aa9f411b10bc11d14dcfbb864a49b2562240f11b99e685bef5f1b319b98. 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/NLA508810424.
  date published: 2026-07-08T03:53:27Z
audio: Maria Stuarda / Act 3: "Vedeste? - Vedemmo. Oh truce apparato!
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Maria Stuarda / Act 2: "Da tutti abbandonata"
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duration: PT8M1S
duration ms: 481133
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by artist: Gaetano Donizetti
by artist: Edita Gruberova
by artist: Francisco Araiza
by artist: Munich Radio Orchestra
by artist: Giuseppe Patanè
in album: Donizetti: Maria Stuarda
  type: MusicAlbum
  date published: 1990-01-10
popularity: 6
genre: opera
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additional property: CopyrightID
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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: 2026-07-14T18:13:17Z
audio: Maria Stuarda / Act 2: "Da tutti abbandonata"
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Maria Stuarda / Act 2: "Qual loco è questo?"
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duration: PT2M19S
duration ms: 139906
explicit: false
by artist: Gaetano Donizetti
by artist: Agnes Baltsa
by artist: Francisco Araiza
by artist: Simone Alaimo
by artist: Francesco Ellero D'Artegna
by artist: Edita Gruberova
by artist: Munich Radio Orchestra
by artist: Giuseppe Patanè
in album: Donizetti: Maria Stuarda
  type: MusicAlbum
  date published: 1990-01-10
popularity: 6
genre: opera
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Maria Stuarda / Act 2: "Qual loco è questo?"
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Maria Stuarda / Act 2: "E sempre la stessa"
type: MusicRecording
duration: PT2M13S
duration ms: 133560
explicit: false
by artist: Gaetano Donizetti
by artist: Agnes Baltsa
by artist: Edita Gruberova
by artist: Francesco Ellero D'Artegna
by artist: Iris Vermillion
by artist: Francisco Araiza
by artist: Simone Alaimo
by artist: Munich Radio Orchestra
by artist: Giuseppe Patanè
in album: Donizetti: Maria Stuarda
  type: MusicAlbum
  date published: 1990-01-10
popularity: 9
genre: opera
isrc code: NLA508810413
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: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: Maria Stuarda / Act 2: "E sempre la stessa"
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Maria Stuarda / Act 2: "Deh! l'accogli" - "Morta al mondo, e morta al trono"
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duration: PT8M5S
duration ms: 485533
explicit: false
by artist: Gaetano Donizetti
by artist: Francisco Araiza
by artist: Agnes Baltsa
by artist: Francesco Ellero D'Artegna
by artist: Edita Gruberova
by artist: Simone Alaimo
by artist: Iris Vermillion
by artist: Bavarian Radio Chorus
by artist: Munich Radio Orchestra
by artist: Giuseppe Patanè
in album: Donizetti: Maria Stuarda
  type: MusicAlbum
  date published: 1990-01-10
popularity: 8
genre: opera
isrc code: NLA508810414
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:18:56Z
audio: Maria Stuarda / Act 2: "Deh! l'accogli" - "Morta al mondo, e morta al trono"
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Maria Stuarda / Act 2: "Va, preparati, furente"
type: MusicRecording
duration: PT2M49S
duration ms: 169666
explicit: false
by artist: Gaetano Donizetti
by artist: Agnes Baltsa
by artist: Simone Alaimo
by artist: Iris Vermillion
by artist: Francesco Ellero D'Artegna
by artist: Edita Gruberova
by artist: Francisco Araiza
by artist: Bavarian Radio Chorus
by artist: Munich Radio Orchestra
by artist: Giuseppe Patanè
in album: Donizetti: Maria Stuarda
  type: MusicAlbum
  date published: 1990-01-10
popularity: 9
genre: opera
isrc code: NLA508810415
additional property: CopyrightID
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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: 2026-07-06T06:56:49Z
audio: Maria Stuarda / Act 2: "Va, preparati, furente"
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Lebendige Vergangenheit Heinrich Schlusnus II
type: MusicAlbum
date published: 2000-01-01

Golden Years
type: MusicAlbum
date published: 2000-01-01

Beniamino Gigli: Vol. 2
type: MusicAlbum
date published: 2000-01-01

Live Performances 1940-1953
type: MusicAlbum
date published: 2000-01-01

Donizetti: Don Pasquale / Il campanello di notte
type: MusicAlbum
date published: 2006-01-01

Donizetti: Dalinda (Live)
type: MusicAlbum
date published: 2024-03-15

Airs d'opéras français
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date published: 2024-08-01
track: Piccinni: Roland, Act 2: "En butte aux fureurs de l'orage" (Médor)
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  by artist: Rockwell Blake
  by artist: Patrick Fournillier
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  genre: classical-era
  genre: galante-era
  genre: italian-opera
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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: 2026-07-08T03:20:19Z
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

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Gaetano Donizetti: Lucia Di Lammermoor (Live in Rome, Rai Studios, 26 June 1957)
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Lebendige Vergangenheit
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Donizetti: Le nozze in villa, A. 4 (Live)
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Opera Concert At The Rome Opera House
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Donizetti: L'esule di Roma
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Donizetti: Parisina
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Donizetti: Il diluvio universale
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    date published: 2026-07-08T03:22:41Z
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  by artist: Luciano Pavarotti
  by artist: Metropolitan Opera Orchestra
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  subject of: OpenTimestamps Proof of Existence
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track: Manon Lescaut / Act 1: Donna non vidi mai
track: La fille du régiment / Act 1: Ah! mes amis, quel jour de fête!
track: L'elisir d'amore / Act I: "Una parola, Adina"
track: Rigoletto / Act 1: "Questa o quella"
track: Don Pasquale / Act 3: "Com'è gentil" - Remastered 2013
track: Tosca, SC 69, Act III: E lucevan le stelle
track: La favorita / Act 4: "Spirto gentil, de' sogni miei"
track: Lucia di Lammermoor / Act 2: "Chi mi frena in tal momento" - Remastered 2013
track: La fille du régiment / Act 1: "Pour mon âme quel destin"

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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 0x74cf23886aef3e9a45246f919a8ada669e20ae7941905de8ad987680a666599c. 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/GBF071400940.
date published: 2026-07-08T08:56:20Z

Manon Lescaut / Act 1: Tra voi belle, brune e bionde
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Manon Lescaut / Act 1: Donna non vidi mai
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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: Manon Lescaut / Act 1: Donna non vidi mai
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La fille du régiment / Act 1: Ah! mes amis, quel jour de fête!
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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: La fille du régiment / Act 1: Ah! mes amis, quel jour de fête!
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L'elisir d'amore / Act I: "Una parola, Adina"
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by artist: Luciano Pavarotti
by artist: Metropolitan Opera Orchestra
by artist: James Levine
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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: L'elisir d'amore / Act I: "Una parola, Adina"
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Rigoletto / Act 1: "Questa o quella"
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Rigoletto / Act 1: "Questa o quella"
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Don Pasquale / Act 3: "Com'è gentil" - Remastered 2013
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genre: opera
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Don Pasquale / Act 3: "Com'è gentil" - Remastered 2013
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Tosca, SC 69, Act III: E lucevan le stelle
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La favorita / Act 4: "Spirto gentil, de' sogni miei"
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Lucia di Lammermoor / Act 2: "Chi mi frena in tal momento" - Remastered 2013
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Donizetti: Emilia di Liverpool (Recorded 1957)
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Donizetti: Great Love Duets
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Renée Fleming - Bel Canto Scenes
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