Franco Alfano
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genre: opera
description: Franco Alfano (8 March 1875 – 27 October 1954) was an Italian composer and pianist, best known today for his operas Cyrano de Bergerac (1936) and Risurrezione (1904), and for having completed Puccini'
popularity: 7
followers: 431
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subject of: OpenTimestamps Proof of Existence
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album: Verismo Arias
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  date published: 1992-08-19
album: Vocal Recital: Magda Olivero - Puccini, G. / Cilea, F. / Boito, A. / Verdi, G. / Puccini, G. / Charpentier, G. / Massenet, J. / Franck, C. (1938-1953)
  type: MusicAlbum
  date published: 2005-01-01
album: Robertissimo
  type: MusicAlbum
  date published: 2013-01-01
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    by artist: Roberto Alagna
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    by artist: Pedro Javier González
    by artist: Lionel Suarez
    by artist: Christophe Bruckert
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    audio: La Valse De L'Espérance
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  track: Abballati
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    by artist: Roberto Alagna
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    genre: bhajan
    genre: gregorian-chant
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-06T01:25:57Z
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  track: L'elisir d'amore / Act II: Una furtiva lagrima
  track: Parla piu piano (Thème du Parrain)
  track: Ciuri, Ciuri
  track: Piensa en mi
  track: Aida, Act I: Celeste Aida
  track: Quizas, Quizas, Quizas
  track: Besame mucho como si fuera: Besame mucho como si fuera
  track: Rossignol De Mes Amours
album: Les 100 Plus Beaux Airs de Roberto Alagna
album: Viva Opéra !
album: Nessun Dorma
album: The Art Of Beniamino Gigli, Vol. 2 1947-1955
album: Karaoke Opera: Sixteen Favourite Arias and Duets
album: Giuseppe De Luca: Golden Jubilee Concert
album: Sunday Evenings with Pierre Monteux (1941-1952)
album: Opera Arias (Tenor): Gigli, Beniamino - Cilea, F. / Giordano, U. / Mascagni, P. (Complete Collection of Opera Highlights, Vol. 4) (1941-1951)
album: Alfano: Complete String Quartets
album: Cyrano de Bergerac
album: Puccini
album: Alfano: Cyrano de Bergerac (Live)
album: Il Verismo D’Oro
album: Nadia Pelle sings Lullabies
album: Alfano: Symphonies Nos. 1 and 2
album: 300 ans d'opéra à Bruxelles (Théâtre Royal de la monnaie)
album: Classical Hidden Gems, Vol. 1
album: Arias & Duets, Vol. 1
album: The Golden Age of Singing, Vol. 3
album: G. Puccini: Turandot In The Forbidden City
album: Gigli, Beniamino: Gigli Edition, Vol. 13: London Recordings (1947-1949)
album: Verismo: Opera Arias (Verismo: Airs D’Opéras)
album: Great Singers Vol. 2 (Recorded 1903-1939)
album: Par amour
album: Alfano: Risurrezione (Live)
album: Alfano: Violin Sonata - Piano Quintet
album: Alfano, F.: Cello Sonata / Concerto for Violin, Cello and Piano
album: Alfano: Suite romantica, Una danza & Divertimento
album: Alfano: Songs
album: Franco Alfano
album: Alfano: Piano Works
album: Franco Alfano: Liriche da Tagore
album: Tre nuovi poemi: II. Melodia
album: In questa reggia (Live On The Ed Sullivan Show, January 24, 1965)
album: Turandot, Act 3: Nessun Dorma!
album: XX Century Italian Piano Music
album: An Anthology of Song, Vol. 3 (1911-1929)
album: Respighi: Sonata in B Minor per violino e pianoforte - Cinque Pezzi per violino e pianoforte - Alfano: Sonata in D per violino e pianoforte
album: Dorothy Warenskjold: A Collection of Operatic Arias & Recital Repertoire
album: O Sole Mio
album: Alfano: Concerto for Violin, Cello & Piano, Piano Quintet
album: ALFANO • MADONNA IMPERIA

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L'elisir d'amore / Act II: Una furtiva lagrima
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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
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Parla piu piano (Thème du Parrain)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
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Ciuri, Ciuri
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    type: PropertyValue
    value: 0.63
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.115
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.173
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.556
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Piensa en mi
type: MusicRecording
duration: PT4M32S
duration ms: 272200
explicit: false
by artist: Agustín Lara
by artist: Roberto Alagna
by artist: Yvan Cassar
by artist: Paris Symphonic Orchestra
in album: Robertissimo
  type: MusicAlbum
  date published: 2013-01-01
isrc code: FRUM71001854
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T01:57:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd331b2ac4f2ebf0ebb93df3c6f8bcb7cbe46c8ee79a16ae5d46d54b1144b7c7c
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/FRUM71001854
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd331b2ac4f2ebf0ebb93df3c6f8bcb7cbe46c8ee79a16ae5d46d54b1144b7c7c. 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/FRUM71001854.
  date published: 2026-07-08T03:20:19Z
audio: Piensa en mi
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.268
  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: 0.549
  additional property: Energy
    type: PropertyValue
    value: 0.442
  additional property: Speechiness
    type: PropertyValue
    value: 0.025
  additional property: Acousticness
    type: PropertyValue
    value: 0.85
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.238
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.439
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.598
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
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Aida, Act I: Celeste Aida
type: MusicRecording
duration: PT3M27S
duration ms: 207560
explicit: false
by artist: Giuseppe Verdi
by artist: Roberto Alagna
by artist: Claudio Abbado
by artist: Berliner Philharmoniker
in album: Robertissimo
  type: MusicAlbum
  date published: 2013-01-01
genre: classical
genre: opera
isrc code: GBAYC9702388
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T21:35:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x082f65a6786c0d891536b06c0cf175808c5caf039371222842e797e035c667c5
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/GBAYC9702388
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x082f65a6786c0d891536b06c0cf175808c5caf039371222842e797e035c667c5. 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/GBAYC9702388.
  date published: 2026-07-08T03:20:19Z
audio: Aida, Act I: Celeste Aida
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.945
  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: 0.185
  additional property: Energy
    type: PropertyValue
    value: 0.08
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.333
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.069
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.616
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
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Quizas, Quizas, Quizas
type: MusicRecording
duration: PT3M22S
duration ms: 202973
explicit: false
by artist: Osvaldo Farrés
by artist: Roberto Alagna
by artist: Yvan Cassar
by artist: Paris Symphonic Orchestra
in album: Robertissimo
  type: MusicAlbum
  date published: 2013-01-01
isrc code: FRUM71001856
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T03:50:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe9fee4a29681bce42245fa616328ec534239e0af834fd13094586e8c2dc237f5
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/FRUM71001856
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9fee4a29681bce42245fa616328ec534239e0af834fd13094586e8c2dc237f5. 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/FRUM71001856.
  date published: 2026-07-08T03:20:19Z
audio: Quizas, Quizas, Quizas
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.051
  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: 0.543
  additional property: Energy
    type: PropertyValue
    value: 0.39
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.547
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.185
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.368
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.927
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Besame mucho como si fuera: Besame mucho como si fuera
type: MusicRecording
duration: PT3M36S
duration ms: 216266
explicit: false
by artist: Consuelo Velázquez
by artist: Roberto Alagna
by artist: Yvan Cassar
by artist: Paris Symphonic Orchestra
in album: Robertissimo
  type: MusicAlbum
  date published: 2013-01-01
isrc code: FRUM71001855
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2642420135224d8f7c35f47c8b038291b3531cd00443a6614639d4953104503e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRUM71001855
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2642420135224d8f7c35f47c8b038291b3531cd00443a6614639d4953104503e. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRUM71001855.
  date published: 2026-07-31T12:24:41Z
audio: Besame mucho como si fuera: Besame mucho como si fuera
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.925
  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: 0.452
  additional property: Energy
    type: PropertyValue
    value: 0.362
  additional property: Speechiness
    type: PropertyValue
    value: 0.027
  additional property: Acousticness
    type: PropertyValue
    value: 0.832
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.019
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.316
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.821
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Rossignol De Mes Amours
type: MusicRecording
duration: PT3M47S
duration ms: 227893
explicit: false
by artist: Francis Lopez
by artist: Roberto Alagna
by artist: Yvan Cassar
by artist: Paris Symphony Orchestra
in album: Robertissimo
  type: MusicAlbum
  date published: 2013-01-01
isrc code: FRZ390400980
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8c9e108ebfe0c9dd48b5506ad72c2f8302879accc67df8cd5ec5451980d23206
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ390400980
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c9e108ebfe0c9dd48b5506ad72c2f8302879accc67df8cd5ec5451980d23206. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ390400980.
  date published: 2026-07-31T12:24:41Z
audio: Rossignol De Mes Amours
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.074
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.455
  additional property: Energy
    type: PropertyValue
    value: 0.451
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.916
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.248
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.404
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.806
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Les 100 Plus Beaux Airs de Roberto Alagna
type: MusicAlbum
date published: 2013-01-01
track: La Marseillaise
  type: MusicRecording
  duration: PT6M11S
  duration ms: 371320
  explicit: false
  by artist: Claude Joseph Rouget de Lisle
  by artist: Roberto Alagna
  by artist: Bertrand de Billy
  by artist: Orchestra of the Royal Opera House, Covent Garden
  by artist: Choeur de l'Armée Française
  by artist: Maîtrise De Paris
  by artist: Chœur de chambre Les Eléments
  by artist: Patrick Marco
  by artist: Joël Suhubiette
  by artist: Paul De Plinval
  in album: Les 100 Plus Beaux Airs de Roberto Alagna
    type: MusicAlbum
    date published: 2013-01-01
  popularity: 2
  isrc code: GBAYC0203203
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x61432c7e3f0b6efeffe509d83af5a6243ddc58a05400932e181f6c35b9412f70
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960468
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960468
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0203203
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T21:25:57Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61432c7e3f0b6efeffe509d83af5a6243ddc58a05400932e181f6c35b9412f70. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/GBAYC0203203.
    date published: 2026-07-31T21:25:57Z
  audio: La Marseillaise
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 173.536
    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: 0.237
    additional property: Energy
      type: PropertyValue
      value: 0.294
    additional property: Speechiness
      type: PropertyValue
      value: 0.072
    additional property: Acousticness
      type: PropertyValue
      value: 0.933
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.091
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.27
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.116
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Ave Maria, D.839 - Arr. Jeff Jarratt and Robin Smith
  type: MusicRecording
  duration: PT4M54S
  duration ms: 294800
  explicit: false
  by artist: Franz Schubert
  by artist: Roberto Alagna
  by artist: Robin Smith
  by artist: London Symphony Orchestra
  by artist: New London Children's Choir
  by artist: The Choir Of St John's
  by artist: London Oratory Schola Cantorum
  by artist: Smithills School Junior Choir
  in album: Les 100 Plus Beaux Airs de Roberto Alagna
    type: MusicAlbum
    date published: 2013-01-01
  popularity: 5
  genre: classical
  genre: classical-piano
  genre: chamber-music
  isrc code: GBAYC0002597
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-29T21:26:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4e00490ecf7a42eb22d75412f00a9c001f3ddee92587fb3013418f073ccfd6f6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960150
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960150
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0002597
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-29T21:51:49Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-29T21:51:49Z
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  subject of: OpenTimestamps Proof of Existence
  audio: L'elisir d'amore / Act II: Una furtiva lagrima
track: Les pêcheurs de perles, WD 13 / Act I: À cette voix... Je crois entendre encore
track: Rigoletto / Act 3: La donna è mobile
track: Turandot / Act 3: Nessun dorma!

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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:20:19Z

L'elisir d'amore / Act II: Una furtiva lagrima
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Les pêcheurs de perles, WD 13 / Act I: À cette voix... Je crois entendre encore
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Les pêcheurs de perles, WD 13 / Act I: À cette voix... Je crois entendre encore
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Rigoletto / Act 3: La donna è mobile
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
audio: Rigoletto / Act 3: La donna è mobile
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Turandot / Act 3: Nessun dorma!
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subject of: OpenTimestamps Proof of Existence
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audio: Turandot / Act 3: Nessun dorma!
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Viva Opéra !
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T05:09:12Z
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track: Werther: Pourquoi me réveiller
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
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    type: MusicAlbum
    date published: 2006-01-01
  popularity: 2
  isrc code: GBAYC0302236
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T10:50:56+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: La Gioconda, Op. 9 / Act 2: Cielo e mar
track: Martha: M'appari
track: Carmen: La fleur que tu m'avais jetée
track: Andrea Chénier / Act 4: Come un bel dì di maggio

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x8a23ba0c6efdfb2342611ee1d02ebb5a902d3d93f8491737352f2a33f836f495

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957118

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0302236

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a23ba0c6efdfb2342611ee1d02ebb5a902d3d93f8491737352f2a33f836f495. 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/GBAYC0302236.
date published: 2026-07-08T03:20:19Z

La Gioconda, Op. 9 / Act 2: Cielo e mar
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 109.769
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: 0.224
additional property: Energy
  type: PropertyValue
  value: 0.097
additional property: Speechiness
  type: PropertyValue
  value: 0.039
additional property: Acousticness
  type: PropertyValue
  value: 0.978
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.121
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.068
additional property: Loudness (dB)
  type: PropertyValue
  value: -25.133
additional property: Key Name
  type: PropertyValue
  value: Eb
additional property: Mode Name
  type: PropertyValue
  value: Major

Martha: M'appari
type: MusicRecording
duration: PT2M52S
duration ms: 172866
explicit: false
by artist: Friedrich von Flotow
by artist: Roberto Alagna
by artist: London Philharmonic Orchestra
by artist: Richard Armstrong
in album: Viva Opéra !
  type: MusicAlbum
  date published: 2006-01-01
popularity: 6
isrc code: CH4529580100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T13:56:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xae2d6f58b24de901b503285b3b75cd86ceef461e78475e5d7a4465412dcb6d52
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959137
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959137
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH4529580100
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T14:03:35Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae2d6f58b24de901b503285b3b75cd86ceef461e78475e5d7a4465412dcb6d52. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T14:03:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH4529580100.
  date published: 2026-07-22T14:03:35Z
audio: Martha: M'appari
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.843
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.163
  additional property: Energy
    type: PropertyValue
    value: 0.092
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.07
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.093
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.556
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Carmen: La fleur que tu m'avais jetée
type: MusicRecording
duration: PT4M4S
duration ms: 244440
explicit: false
by artist: Georges Bizet
by artist: Roberto Alagna
by artist: London Philharmonic Orchestra
by artist: Richard Armstrong
in album: Viva Opéra !
  type: MusicAlbum
  date published: 2006-01-01
popularity: 1
genre: classical
genre: opera
isrc code: GBAYC9500722
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T16:56:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7b64a7ddb067e6c27074ba09c761ce4b9c6335c7b1130738c3fef39c3e9d3519
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/GBAYC9500722
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b64a7ddb067e6c27074ba09c761ce4b9c6335c7b1130738c3fef39c3e9d3519. 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/GBAYC9500722.
  date published: 2026-07-08T03:20:19Z
audio: Carmen: La fleur que tu m'avais jetée
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.383
  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: 0.16
  additional property: Energy
    type: PropertyValue
    value: 0.045
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.304
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.59
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Andrea Chénier / Act 4: Come un bel dì di maggio
type: MusicRecording
duration: PT3M3S
duration ms: 183253
explicit: false
by artist: Umberto Giordano
by artist: Roberto Alagna
by artist: Sir Mark Elder
by artist: Orchestra of the Royal Opera House, Covent Garden
in album: Viva Opéra !
  type: MusicAlbum
  date published: 2006-01-01
popularity: 2
genre: opera
isrc code: GBAYC0302226
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x30b19e529b515b0ce7d769d20a5b2beb6ac13979845f6374537f66d66934e2e9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960459
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960459
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0302226
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T20:22:46Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30b19e529b515b0ce7d769d20a5b2beb6ac13979845f6374537f66d66934e2e9. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0302226.
  date published: 2026-07-31T20:22:46Z
audio: Andrea Chénier / Act 4: Come un bel dì di maggio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.488
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.197
  additional property: Energy
    type: PropertyValue
    value: 0.165
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.957
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.163
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.782
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Nessun Dorma
type: MusicAlbum
date published: 2006-01-01
track: Turandot / Act 3: Nessun dorma!
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213960
  explicit: false
  by artist: Giacomo Puccini
  by artist: Roberto Alagna
  by artist: Sir Mark Elder
  by artist: Orchestra of the Royal Opera House, Covent Garden
  by artist: London Voices
  by artist: Terry Edwards
  in album: Nessun Dorma
    type: MusicAlbum
    date published: 2006-01-01
  isrc code: GBAYC0301566
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T17:23:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc3214dd9b019c48236b22d63bbaeea3e0d5a688185dc6fb9dee46b856938c25e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0301566
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3214dd9b019c48236b22d63bbaeea3e0d5a688185dc6fb9dee46b856938c25e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0301566.
    date published: 2026-07-02T03:55:08Z
  audio: Turandot / Act 3: Nessun dorma!
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 105.506
    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: 0.245
    additional property: Energy
      type: PropertyValue
      value: 0.121
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.958
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.016
    additional property: Liveness
      type: PropertyValue
      value: 0.055
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.072
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.887
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Fedora / Act 2: "Amor ti vieta"
  type: MusicRecording
  duration: PT1M48S
  duration ms: 108520
  explicit: false
  by artist: Umberto Giordano
  by artist: Roberto Alagna
  by artist: Orchestra of the Royal Opera House, Covent Garden
  by artist: Sir Mark Elder
  in album: Nessun Dorma
    type: MusicAlbum
    date published: 2006-01-01
  genre: opera
  isrc code: GBAYC0302254
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T14:03:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x22ea6faa8b787d31f8d0b400405cdf46ba0dfa0afc51fd53a2946899ca3b2673
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0302254
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22ea6faa8b787d31f8d0b400405cdf46ba0dfa0afc51fd53a2946899ca3b2673. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0302254.
    date published: 2026-07-02T03:30:09Z
  audio: Fedora / Act 2: "Amor ti vieta"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 111.97
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.175
    additional property: Energy
      type: PropertyValue
      value: 0.139
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.964
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.091
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.195
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.056
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Turandot: Questa notte...Nessun dorma... O sole!
  type: MusicRecording
  duration: PT5M4S
  duration ms: 304386
  explicit: false
  by artist: Giacomo Puccini
  by artist: Franco Alfano
  by artist: Roberto Alagna
  by artist: Orchestra of the Royal Opera House, Covent Garden
  by artist: Sir Mark Elder
  by artist: London Voices
  in album: Nessun Dorma
    type: MusicAlbum
    date published: 2006-01-01
  isrc code: GBAYC0302261
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T14:29:10+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: Turandot: Questa notte...Nessun dorma... O sole!

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xa4e2812a450e559fd27576a970695e882b7cb0e6834463b31f05c46487574649

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957118

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0302261

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4e2812a450e559fd27576a970695e882b7cb0e6834463b31f05c46487574649. 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/GBAYC0302261.
date published: 2026-07-08T03:20:19Z

Turandot: Questa notte...Nessun dorma... O sole!
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additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
  type: PropertyValue
  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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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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The Art Of Beniamino Gigli, Vol. 2 1947-1955
type: MusicAlbum
date published: 2000-01-01

Karaoke Opera: Sixteen Favourite Arias and Duets
type: MusicAlbum
date published: 1992-01-01
track: Il Barbiere di siviglia: Largo Al Factotum (The Barber Of Seville) Pt. 1
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  explicit: false
  by artist: Czech Symphony Orchestra
  by artist: Susan McCulloch
  by artist: Stephen Page
  by artist: Anne-Marie Owens
  by artist: Julian Bigg
  by artist: John Oakman
  by artist: Prague Philharmonic Choir
  by artist: Fromental Halévy
  by artist: Georges Bizet
  by artist: Henri Meilhac
  by artist: Eugène Cormon
  by artist: Michel Carré
  by artist: Camille Saint-Saëns
  by artist: Jacques Offenbach
  by artist: Jules Barbier
  by artist: Giacomo Puccini
  by artist: Gioachino Rossini
  by artist: Giuseppe Verdi
  by artist: Francesco Maria Piave
  by artist: Wolfgang Amadeus Mozart
  by artist: Ruggero Leoncavallo
  by artist: Franco Alfano
  by artist: Giuseppe Adami
  by artist: Felix Lemaire
  by artist: Giuseppe Giacosa
  by artist: Luigi Illica
  by artist: Cesare Sterbini
  by artist: Giovacchino Forzano
  by artist: Lorenzo Da Ponte
  in album: Karaoke Opera: Sixteen Favourite Arias and Duets
    type: MusicAlbum
    date published: 1992-01-01
  genre: symfonicky-orchestr
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  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/GBLGL1252289
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2c459463264a04456d5246cddc669b7f896936bf18119be116eedac576ae283. 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/GBLGL1252289.
    date published: 2026-07-08T03:20:19Z
  audio: Il Barbiere di siviglia: Largo Al Factotum (The Barber Of Seville) Pt. 1
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      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: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Gianni Schicchi: O Mio Babbino Caro (O My Beloved Daddy) Pt. 2
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  duration: PT2M3S
  duration ms: 123160
  explicit: false
  by artist: Czech Symphony Orchestra
  by artist: Julian Bigg
  by artist: Susan McCulloch
  by artist: Anne-Marie Owens
  by artist: John Oakman
  by artist: Prague Philharmonic Choir
  by artist: Stephen Page
  by artist: Giovacchino Forzano
  by artist: Lorenzo Da Ponte
  by artist: Fromental Halévy
  by artist: Georges Bizet
  by artist: Henri Meilhac
  by artist: Eugène Cormon
  by artist: Michel Carré
  by artist: Camille Saint-Saëns
  by artist: Jacques Offenbach
  by artist: Jules Barbier
  by artist: Giacomo Puccini
  by artist: Gioachino Rossini
  by artist: Giuseppe Verdi
  by artist: Francesco Maria Piave
  by artist: Wolfgang Amadeus Mozart
  by artist: Ruggero Leoncavallo
  by artist: Franco Alfano
  by artist: Giuseppe Adami
  by artist: Felix Lemaire
  by artist: Giuseppe Giacosa
  by artist: Luigi Illica
  by artist: Cesare Sterbini
  in album: Karaoke Opera: Sixteen Favourite Arias and Duets
    type: MusicAlbum
    date published: 1992-01-01
  genre: symfonicky-orchestr
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  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
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960327
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLGL1252310
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T00:26:26Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a25a9920b75a786687ce4b7477ea4d936369669c3bd341c84beef74b011b4e1. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLGL1252310.
    date published: 2026-07-31T00:26:26Z
  audio: Gianni Schicchi: O Mio Babbino Caro (O My Beloved Daddy) Pt. 2
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
    additional property: Speechiness
    additional property: Acousticness
    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
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track: La Traviata: Brindisi (Drinking Song) Pt. 1
track: La Boheme: Quando M'en Vo (Musetta's Waltz Song) Pt. 1
track: Gianna Schicchi: O Mio Babbino Caro (O My Beloved Daddy) Pt. 1
track: Don Giovanni: Madamina (Catalogue Aria) Pt. 1
track: Turandot: Nessun Dorma (None Shall Sleep) Pt. 1

Energy
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Speechiness
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value: 0.043

Acousticness
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Instrumentalness
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Liveness
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Valence (Positivity)
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value: 0.068

Loudness (dB)
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value: -22.194

Key Name
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La Traviata: Brindisi (Drinking Song) Pt. 1
type: MusicRecording
duration: PT3M16S
duration ms: 196573
explicit: false
by artist: Czech Symphony Orchestra
by artist: Anne-Marie Owens
by artist: John Oakman
by artist: Prague Philharmonic Choir
by artist: Stephen Page
by artist: Julian Bigg
by artist: Susan McCulloch
by artist: Fromental Halévy
by artist: Georges Bizet
by artist: Henri Meilhac
by artist: Eugène Cormon
by artist: Michel Carré
by artist: Camille Saint-Saëns
by artist: Jacques Offenbach
by artist: Jules Barbier
by artist: Giacomo Puccini
by artist: Gioachino Rossini
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
by artist: Wolfgang Amadeus Mozart
by artist: Ruggero Leoncavallo
by artist: Franco Alfano
by artist: Giuseppe Adami
by artist: Felix Lemaire
by artist: Giuseppe Giacosa
by artist: Luigi Illica
by artist: Cesare Sterbini
by artist: Giovacchino Forzano
by artist: Lorenzo Da Ponte
in album: Karaoke Opera: Sixteen Favourite Arias and Duets
  type: MusicAlbum
  date published: 1992-01-01
genre: symfonicky-orchestr
isrc code: GBLGL1252290
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T16:52:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960441
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLGL1252290
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf26d0ed93b42defe438a4917e6ab501f2366f1e77633df6c5904882a6a45558d. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLGL1252290.
  date published: 2026-07-31T17:29:52Z
audio: La Traviata: Brindisi (Drinking Song) Pt. 1
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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
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Key Name
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La Boheme: Quando M'en Vo (Musetta's Waltz Song) Pt. 1
type: MusicRecording
duration: PT2M40S
duration ms: 160506
explicit: false
by artist: Czech Symphony Orchestra
by artist: Stephen Page
by artist: Anne-Marie Owens
by artist: Prague Philharmonic Choir
by artist: John Oakman
by artist: Susan McCulloch
by artist: Julian Bigg
by artist: Fromental Halévy
by artist: Georges Bizet
by artist: Henri Meilhac
by artist: Eugène Cormon
by artist: Michel Carré
by artist: Camille Saint-Saëns
by artist: Jacques Offenbach
by artist: Jules Barbier
by artist: Giacomo Puccini
by artist: Gioachino Rossini
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
by artist: Wolfgang Amadeus Mozart
by artist: Ruggero Leoncavallo
by artist: Franco Alfano
by artist: Giuseppe Adami
by artist: Felix Lemaire
by artist: Giuseppe Giacosa
by artist: Luigi Illica
by artist: Cesare Sterbini
by artist: Giovacchino Forzano
by artist: Lorenzo Da Ponte
in album: Karaoke Opera: Sixteen Favourite Arias and Duets
  type: MusicAlbum
  date published: 1992-01-01
genre: symfonicky-orchestr
isrc code: GBLGL1252292
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x60da551ffc7661e260538ba02f5f2dc5b0216031607fa442ef547bcd9d4545c9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960360
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLGL1252292
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:42:11Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60da551ffc7661e260538ba02f5f2dc5b0216031607fa442ef547bcd9d4545c9. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/GBLGL1252292.
  date published: 2026-07-31T06:42:11Z
audio: La Boheme: Quando M'en Vo (Musetta's Waltz Song) Pt. 1
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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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)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Gianna Schicchi: O Mio Babbino Caro (O My Beloved Daddy) Pt. 1
type: MusicRecording
duration: PT2M2S
duration ms: 122133
explicit: false
by artist: Czech Symphony Orchestra
by artist: John Oakman
by artist: Prague Philharmonic Choir
by artist: Susan McCulloch
by artist: Julian Bigg
by artist: Stephen Page
by artist: Anne-Marie Owens
by artist: Fromental Halévy
by artist: Georges Bizet
by artist: Henri Meilhac
by artist: Eugène Cormon
by artist: Michel Carré
by artist: Camille Saint-Saëns
by artist: Jacques Offenbach
by artist: Jules Barbier
by artist: Giacomo Puccini
by artist: Gioachino Rossini
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
by artist: Wolfgang Amadeus Mozart
by artist: Ruggero Leoncavallo
by artist: Franco Alfano
by artist: Giuseppe Adami
by artist: Felix Lemaire
by artist: Giuseppe Giacosa
by artist: Luigi Illica
by artist: Cesare Sterbini
by artist: Giovacchino Forzano
by artist: Lorenzo Da Ponte
in album: Karaoke Opera: Sixteen Favourite Arias and Duets
  type: MusicAlbum
  date published: 1992-01-01
genre: symfonicky-orchestr
isrc code: GBLGL1252294
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5e1a18202150e9da348717a671fb9d817a639bbc27d6df5d0eeb6e1e77eefc34
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960175
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLGL1252294
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T00:16:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e1a18202150e9da348717a671fb9d817a639bbc27d6df5d0eeb6e1e77eefc34. Chain 2 (Bitcoin): anchored in block 960175 (2026-07-30T00:16:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLGL1252294.
  date published: 2026-07-30T00:16:15Z
audio: Gianna Schicchi: O Mio Babbino Caro (O My Beloved Daddy) Pt. 1
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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)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Don Giovanni: Madamina (Catalogue Aria) Pt. 1
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by artist: John Oakman
by artist: Julian Bigg
by artist: Susan McCulloch
by artist: Anne-Marie Owens
by artist: Stephen Page
by artist: Prague Philharmonic Choir
by artist: Fromental Halévy
by artist: Georges Bizet
by artist: Henri Meilhac
by artist: Eugène Cormon
by artist: Michel Carré
by artist: Camille Saint-Saëns
by artist: Jacques Offenbach
by artist: Jules Barbier
by artist: Giacomo Puccini
by artist: Gioachino Rossini
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
by artist: Wolfgang Amadeus Mozart
by artist: Ruggero Leoncavallo
by artist: Franco Alfano
by artist: Giuseppe Adami
by artist: Felix Lemaire
by artist: Giuseppe Giacosa
by artist: Luigi Illica
by artist: Cesare Sterbini
by artist: Giovacchino Forzano
by artist: Lorenzo Da Ponte
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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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Turandot: Nessun Dorma (None Shall Sleep) Pt. 1
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by artist: Prague Philharmonic Choir
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by artist: Julian Bigg
by artist: Susan McCulloch
by artist: Fromental Halévy
by artist: Georges Bizet
by artist: Henri Meilhac
by artist: Eugène Cormon
by artist: Michel Carré
by artist: Camille Saint-Saëns
by artist: Jacques Offenbach
by artist: Jules Barbier
by artist: Giacomo Puccini
by artist: Gioachino Rossini
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
by artist: Wolfgang Amadeus Mozart
by artist: Ruggero Leoncavallo
by artist: Franco Alfano
by artist: Giuseppe Adami
by artist: Felix Lemaire
by artist: Giuseppe Giacosa
by artist: Luigi Illica
by artist: Cesare Sterbini
by artist: Giovacchino Forzano
by artist: Lorenzo Da Ponte
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
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Giuseppe De Luca: Golden Jubilee Concert
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Sunday Evenings with Pierre Monteux (1941-1952)
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Opera Arias (Tenor): Gigli, Beniamino - Cilea, F. / Giordano, U. / Mascagni, P. (Complete Collection of Opera Highlights, Vol. 4) (1941-1951)
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Alfano: Complete String Quartets
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Cyrano de Bergerac
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Puccini
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Alfano: Cyrano de Bergerac (Live)
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Il Verismo D’Oro
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T08:26:41Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T13:04:34Z
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Nadia Pelle sings Lullabies
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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Alfano: Symphonies Nos. 1 and 2
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300 ans d'opéra à Bruxelles (Théâtre Royal de la monnaie)
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Classical Hidden Gems, Vol. 1
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Arias & Duets, Vol. 1
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The Golden Age of Singing, Vol. 3
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G. Puccini: Turandot In The Forbidden City
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Gigli, Beniamino: Gigli Edition, Vol. 13: London Recordings (1947-1949)
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Verismo: Opera Arias (Verismo: Airs D’Opéras)
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track: Un Bel Dì Vedremo - Madama Butterfly
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  by artist: Diana Soviero
  by artist: Orchestre de l’Opéra de Montréal
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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: 2026-07-31T13:04:34Z
  audio: Un Bel Dì Vedremo - Madama Butterfly
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Great Singers Vol. 2 (Recorded 1903-1939)
type: MusicAlbum
date published: 1990-01-01

Par amour
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date published: 2025-02-14
track: Risurrezione, Act II: Giunge il treno… Dio pietoso
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  by artist: Orchestre National de Lille
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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
    type: DigitalDocument
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    date published: 2026-07-29T13:21:01Z
  audio: Risurrezione, Act II: Giunge il treno… Dio pietoso
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track: La Wally, Act I: Ebben? Ne andrò lontana
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  by artist: Orchestre National de Lille
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-29T12:41:21Z
  audio: La Wally, Act I: Ebben? Ne andrò lontana
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  by artist: Vannina Santoni
  by artist: Orchestre National de Lille
  by artist: Jean-Marie Zeitouni
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  subject of: OpenTimestamps Proof of Existence
  audio: Roméo et Juliette, CG 9, Act I: Ah! Je veux vivre
track: Roméo et Juliette, CG 9, Act II: Entracte
track: Manon, Act III: Toi ! Vous ! - Oui, c'est moi !
track: Manon, Act II: Prélude
track: Manon, Act II: Allons, il le faut… Adieu, notre petite table
track: Otello, Act IV: Era più calmo?… Ave Maria…
track: Gianni Schicchi, SC 88: O mio babbino caro
track: Le Villi, Act I: Se come voi piccina io fossi
track: Thaïs, Act II: Ah ! Je suis seule… Dis-moi que je suis belle
track: Six mélodies populaires corses: No. 1, O ciucciarella

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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10d94918f7b09a555f78d9f13e6d8606b730fce1059fd80f4a21c90b959866e4. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2311803.
date published: 2026-07-29T21:09:47Z

Roméo et Juliette, CG 9, Act I: Ah! Je veux vivre
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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: Valence (Positivity)
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additional property: Loudness (dB)
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Roméo et Juliette, CG 9, Act II: Entracte
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by artist: Orchestre National de Lille
by artist: Jean-Marie Zeitouni
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Roméo et Juliette, CG 9, Act II: Entracte
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Manon, Act III: Toi ! Vous ! - Oui, c'est moi !
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by artist: Vannina Santoni
by artist: Julien Dran
by artist: Orchestre National de Lille
by artist: Jean-Marie Zeitouni
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genre: classical
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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: 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
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T03:20:19Z
audio: Manon, Act III: Toi ! Vous ! - Oui, c'est moi !
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by artist: Orchestre National de Lille
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2311806
additional property: OTSTimestamp
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  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3945a175eb258e1cd57657f0c65d866666bbc6e06233e050b15913ff4ac962c3. 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/FR50X2311806.
  date published: 2026-07-08T03:20:19Z
audio: Manon, Act II: Prélude
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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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    value: 0.956
  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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Manon, Act II: Allons, il le faut… Adieu, notre petite table
type: MusicRecording
duration: PT4M10S
duration ms: 250853
explicit: false
by artist: Jules Massenet
by artist: Vannina Santoni
by artist: Orchestre National de Lille
by artist: Jean-Marie Zeitouni
in album: Par amour
  type: MusicAlbum
  date published: 2025-02-14
genre: classical
isrc code: FR50X2311807
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/960330
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2311807
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:58:21Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50b2a8c33658ff45f9dcd9bf0b7af6720a61d2bbe7a204f7751c0b92184599f6. Chain 2 (Bitcoin): anchored in block 960330 (2026-07-31T00:58:21Z), 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/FR50X2311807.
  date published: 2026-07-31T00:58:21Z
audio: Manon, Act II: Allons, il le faut… Adieu, notre petite table
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    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: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Mode Name
    type: PropertyValue
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Otello, Act IV: Era più calmo?… Ave Maria…
type: MusicRecording
duration: PT17M39S
duration ms: 1059360
explicit: false
by artist: Giuseppe Verdi
by artist: Vannina Santoni
by artist: Albane Carrère
by artist: Orchestre National de Lille
by artist: Jean-Marie Zeitouni
in album: Par amour
  type: MusicAlbum
  date published: 2025-02-14
genre: classical
genre: opera
isrc code: FR50X2311808
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/0x2da0221937ef4457354e18b2f47b1d8b2c950bdac08c0b6324c54c92eba0663f
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/FR50X2311808
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2da0221937ef4457354e18b2f47b1d8b2c950bdac08c0b6324c54c92eba0663f. 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/FR50X2311808.
  date published: 2026-07-08T03:20:19Z
audio: Otello, Act IV: Era più calmo?… Ave Maria…
  type: AudioObject
  additional property: Tempo (BPM)
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  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
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Gianni Schicchi, SC 88: O mio babbino caro
type: MusicRecording
duration: PT2M48S
duration ms: 168720
explicit: false
by artist: Giacomo Puccini
by artist: Vannina Santoni
by artist: Orchestre National de Lille
by artist: Jean-Marie Zeitouni
in album: Par amour
  type: MusicAlbum
  date published: 2025-02-14
isrc code: FR50X2311809
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf6aa8b036ee1bb77ed030a1dce8bdfc2df6fcb64ef62e3670c9336251b368d0e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960216
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2311809
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T06:39:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6aa8b036ee1bb77ed030a1dce8bdfc2df6fcb64ef62e3670c9336251b368d0e. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2311809.
  date published: 2026-07-30T06:39:12Z
audio: Gianni Schicchi, SC 88: O mio babbino caro
  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
    value: 0.298
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  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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Le Villi, Act I: Se come voi piccina io fossi
type: MusicRecording
duration: PT5M24S
duration ms: 324946
explicit: false
by artist: Giacomo Puccini
by artist: Vannina Santoni
by artist: Orchestre National de Lille
by artist: Jean-Marie Zeitouni
in album: Par amour
  type: MusicAlbum
  date published: 2025-02-14
isrc code: FR50X2311810
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:01:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4c4c22952a5b0d67b85d5fc2cd3a77b63ff31c8dff39b2150c140f3d8102bd9a
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/FR50X2311810
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c4c22952a5b0d67b85d5fc2cd3a77b63ff31c8dff39b2150c140f3d8102bd9a. 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/FR50X2311810.
  date published: 2026-07-08T03:20:19Z
audio: Le Villi, Act I: Se come voi piccina io fossi
  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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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.22
  additional property: Energy
    type: PropertyValue
    value: 0.106
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.019
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.702
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Thaïs, Act II: Ah ! Je suis seule… Dis-moi que je suis belle
type: MusicRecording
duration: PT7M32S
duration ms: 452106
explicit: false
by artist: Jules Massenet
by artist: Vannina Santoni
by artist: Orchestre National de Lille
by artist: Jean-Marie Zeitouni
in album: Par amour
  type: MusicAlbum
  date published: 2025-02-14
genre: classical
isrc code: FR50X2311811
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:33:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa0f3642fbe91d39f80f949f5810654a86aa26498b6d0dbe9e3b07e2301ee3e29
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/FR50X2311811
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0f3642fbe91d39f80f949f5810654a86aa26498b6d0dbe9e3b07e2301ee3e29. 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/FR50X2311811.
  date published: 2026-07-08T03:20:19Z
audio: Thaïs, Act II: Ah ! Je suis seule… Dis-moi que je suis belle
  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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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.244
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  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
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  additional property: Mode Name
    type: PropertyValue
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Six mélodies populaires corses: No. 1, O ciucciarella
type: MusicRecording
duration: PT4M35S
duration ms: 275880
explicit: false
by artist: Henri Tomasi
by artist: Vannina Santoni
by artist: Orchestre National de Lille
by artist: Jean-Marie Zeitouni
in album: Par amour
  type: MusicAlbum
  date published: 2025-02-14
isrc code: FR50X2311812
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/960138
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2311812
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44565185fe25b638cce86dd3a721f6000cf29b863002126c8d78e9fe41cb0e30. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2311812.
  date published: 2026-07-29T19:35:34Z
audio: Six mélodies populaires corses: No. 1, O ciucciarella
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.227
  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: 0.117
  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
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.997
  additional property: Key Name
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    value: C#
  additional property: Mode Name
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Alfano: Risurrezione (Live)
type: MusicAlbum
date published: 2021-02-12

Alfano: Violin Sonata - Piano Quintet
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Alfano, F.: Cello Sonata / Concerto for Violin, Cello and Piano
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Alfano: Suite romantica, Una danza & Divertimento
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Alfano: Songs
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Franco Alfano
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Alfano: Piano Works
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Cyrano de Bergerac
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Franco Alfano: Liriche da Tagore
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Tre nuovi poemi: II. Melodia
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In questa reggia (Live On The Ed Sullivan Show, January 24, 1965)
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Turandot, Act 3: Nessun Dorma!
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XX Century Italian Piano Music
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An Anthology of Song, Vol. 3 (1911-1929)
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Respighi: Sonata in B Minor per violino e pianoforte - Cinque Pezzi per violino e pianoforte - Alfano: Sonata in D per violino e pianoforte
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date published: 1995-02-02

Dorothy Warenskjold: A Collection of Operatic Arias & Recital Repertoire
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O Sole Mio
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date published: 2013-06-14

Alfano: Concerto for Violin, Cello & Piano, Piano Quintet
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date published: 2025-06-27

Alfano: Suite romantica, Una danza & Divertimento
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Alfano: Complete String Quartets
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ALFANO • MADONNA IMPERIA
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Alfano: Risurrezione (Live)
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Alfano: Piano Works
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Alfano, F.: Cello Sonata / Concerto for Violin, Cello and Piano
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Alfano: Symphonies Nos. 1 and 2
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Alfano: Cyrano de Bergerac (Live)
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Alfano: Violin Sonata - Piano Quintet
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