Francesco Maria Piave
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genre: opera
description: thumb|Francesco Maria Piave Francesco Maria Piave (18 May 18105 March 1876) was an Italian opera librettist who was born in Murano in the lagoon of Venice, during the brief Napoleonic Kingdom of Italy
popularity: 9
followers: 299
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album: The Art of Mirella Freni
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  date published: 1993
  track: La Figlia del Reggimento, Act I: Convien partir...
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    by artist: Mirella Freni
    by artist: Thomas Schippers
    by artist: Riccardo Muti
    by artist: Mario Rossi
    by artist: Nino Sonzogno
    by artist: Peter Maag
    by artist: Carlo Maria Giulini
    by artist: Orchestra Sinfonica di Roma
    by artist: Orchestra Sinfonica di Torino
    by artist: Orchestra of the Royal Opera House, Covent Garden
    by artist: Orchestra e Coro del Teatro alla Scala di Milano,
    by artist: Wiener Philharmoniker
    by artist: Jean-François Bayard
    by artist: Jules-Henri Vernoy de Saint-Georges
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album: Karaoke Opera: Sixteen Favourite Arias and Duets
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  date published: 1992-01-01
  track: Il Barbiere di siviglia: Largo Al Factotum (The Barber Of Seville) Pt. 1
  track: Don Giovanni: Madamina (Catalogue Aria) Pt. 1
  track: Gianni Schicchi: O Mio Babbino Caro (O My Beloved Daddy) Pt. 2
  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: Turandot: Nessun Dorma (None Shall Sleep) Pt. 1
album: The 7 Sopranos
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  track: Madama Butterfly: Un bel dì
  track: La traviata: Brindisi
  track: The Tales of Hoffmann: Barcarolle
  track: Lakmé: Flower Duet
album: Credo
album: Golden Voice Series
album: The Best Of Naxos 9
album: Rigoletto - Highlights
album: Best Of Opera, Vol. 3
album: Classical Music in Woody Allen Films
album: Joan Sutherland - Opera Favourites
album: 100 Best Classical Music
album: The Classic 100: Opera - The Top 10 & Selected Highlights
album: The Best Of Opera Volume 4
album: Verdi auf Deutsch: Große Szenen aus Othello, Don Carlos, Falstaff
album: Vissi d'arte…
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album: Hit Men
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album: Macbeth
album: Famous Tenor Arias
album: Soprano Arias From Italian Operas (Miriam Gauci)
album: Verdi: Simon Boccanegra
album: Verdi: Rigoletto
album: Greatest Ever Classical Masterpieces - The Very Best Classical Music Collection
album: Opera Live! (Instrumentals)
album: The Kiss
album: Cristal: Glass Music Through The Ages
album: マイ・ワールド
album: The Great Italian Composers
album: Arcangelo Corelli, Antonio Vivaldi & Giacomo Puccini: The Italian Masters
album: Arias de Ópera
album: Opera Live !

Il Barbiere di siviglia: Largo Al Factotum (The Barber Of Seville) Pt. 1
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by artist: Anne-Marie Owens
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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
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  date published: 2026-07-08T03:22:41Z
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Don Giovanni: Madamina (Catalogue Aria) Pt. 1
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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
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by artist: Felix Lemaire
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  date published: 2026-07-08T03:53:27Z
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Gianni Schicchi: O Mio Babbino Caro (O My Beloved Daddy) Pt. 2
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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
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by artist: Giuseppe Adami
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by artist: Giuseppe Giacosa
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    type: PropertyValue
    value: -22.194
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBLGL1252310
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960327
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T00:26:26+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLGL1252310
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  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
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 176.959
  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: 0.294
  additional property: Energy
    type: PropertyValue
    value: 0.042
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.923
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.407
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.357
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBLGL1252290
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960441
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T17:29:52+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLGL1252290
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960441
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960441
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

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
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
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.765
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.217
  additional property: Energy
    type: PropertyValue
    value: 0.027
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.94
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.405
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.099
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.888
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBLGL1252292
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960360
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T06:42:11+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLGL1252292
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960360
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960360
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:42:11+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

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
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
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.092
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.094
  additional property: Energy
    type: PropertyValue
    value: 0.106
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.816
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.22
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.076
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.623
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBLGL1252294
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960175
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T00:16:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLGL1252294
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960175
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960175
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T00:16:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Turandot: Nessun Dorma (None Shall Sleep) Pt. 1
type: MusicRecording
duration: PT3M29S
duration ms: 209133
explicit: false
by artist: Czech Symphony Orchestra
by artist: Anne-Marie Owens
by artist: Stephen Page
by artist: Prague Philharmonic Choir
by artist: John Oakman
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9931b1abd50183c02d8d655811a36742c83d0e0c5ba764ff14691e58c9b5c542. 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/GBLGL1252297.
  date published: 2026-07-31T12:24:41Z
audio: Turandot: Nessun Dorma (None Shall Sleep) Pt. 1
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.682
  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: 0.123
  additional property: Energy
    type: PropertyValue
    value: 0.1
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.949
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.876
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.061
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.318
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBLGL1252297
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960397
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T12:24:41+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLGL1252297
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: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La traviata: Brindisi
type: MusicRecording
duration: PT3M0S
duration ms: 180026
explicit: false
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
by artist: The 7 Sopranos
by artist: Andrew Greene
by artist: Tasmanian Symphony Orchestra
in album: The 7 Sopranos
  type: MusicAlbum
  date published: 2013-11-01
genre: classical
genre: opera
isrc code: AUAB01350314
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T21:23:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc688863273cc67354c5ffa3894fc95918670b39deb8d9532f92124f51bd73375
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/AUAB01350314
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc688863273cc67354c5ffa3894fc95918670b39deb8d9532f92124f51bd73375. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB01350314.
  date published: 2026-07-08T03:53:27Z
audio: La traviata: Brindisi
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.331
  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: 0.439
  additional property: Energy
    type: PropertyValue
    value: 0.31
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.947
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.157
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.312
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.461
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

La forza del destino, Act II: La Vergine degli angeli
type: MusicRecording
duration: PT3M21S
duration ms: 201280
explicit: false
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
by artist: Marina Rebeka
by artist: Modestas Pitrenas
by artist: Sinfonietta Riga
in album: Credo
  type: MusicAlbum
  date published: 2021-01-22
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x622ba866bdf67e2d5f3041a65120631c0a1d1a0f865076beb8e832be0ca9f924. 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/QZDSS1900118.
  date published: 2026-07-31T20:22:46Z
audio: La forza del destino, Act II: La Vergine degli angeli
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.874
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.188
  additional property: Energy
    type: PropertyValue
    value: 0.227
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.129
  additional property: Liveness
    type: PropertyValue
    value: 0.122
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.094
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: QZDSS1900118
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960459
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T20:22:46+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDSS1900118
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: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T20:22:46+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Rigoletto, Atto I Scena 1: Questa o quella per me pari sono
type: MusicRecording
duration: PT2M10S
duration ms: 130533
explicit: false
by artist: Luciano Pavarotti
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
in album: Rigoletto - Highlights
  type: MusicAlbum
  date published: 1991-01-01
genre: classical-tenor
genre: italian-tenor
genre: operatic-pop
genre: opera
genre: canzone-napoletana
isrc code: USA560858563
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T12:21:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xee4461bbaeb5ba09b9e1685eddbfa6a27a6a622e1d796ce04aa7173aaa13aa01
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/USA560858563
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee4461bbaeb5ba09b9e1685eddbfa6a27a6a622e1d796ce04aa7173aaa13aa01. 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/USA560858563.
  date published: 2026-07-02T03:55:08Z
audio: Rigoletto, Atto I Scena 1: Questa o quella per me pari sono
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.341
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.552
  additional property: Energy
    type: PropertyValue
    value: 0.16
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.02
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.564
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.67
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto, Atto I Scena 8: Pari siamo !... io la lingua, egli ha il pugnale
type: MusicRecording
duration: PT3M52S
duration ms: 232666
explicit: false
by artist: Piero Cappuccilli
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
in album: Rigoletto - Highlights
  type: MusicAlbum
  date published: 1991-01-01
genre: opera
genre: italian-baritone
genre: classical-baritone
isrc code: USA560858564
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T07:18:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0d71ff26b21ff978751d2aed35e2a5c18ea343eeb70348b30dc6e1afd6016de8
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/USA560858564
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d71ff26b21ff978751d2aed35e2a5c18ea343eeb70348b30dc6e1afd6016de8. 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/USA560858564.
  date published: 2026-07-02T03:30:09Z
audio: Rigoletto, Atto I Scena 8: Pari siamo !... io la lingua, egli ha il pugnale
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.928
  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: 0.439
  additional property: Energy
    type: PropertyValue
    value: 0.133
  additional property: Speechiness
    type: PropertyValue
    value: 0.07
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.013
  additional property: Liveness
    type: PropertyValue
    value: 0.347
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.071
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.807
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto, Atto II Scena 3-4: Povero Rigoletto!
type: MusicRecording
duration: PT4M2S
duration ms: 242226
explicit: false
by artist: Piero Cappuccilli
by artist: Maria Barbera
by artist: Angelo Jacopucci
by artist: Teodoro Rovetta
by artist: Leonardo Monreale
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
in album: Rigoletto - Highlights
  type: MusicAlbum
  date published: 1991-01-01
genre: opera
genre: italian-baritone
genre: classical-baritone
isrc code: USA560858569
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:04:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xac67c2309c3c7fee1bfd7fd8b5fc13fe996f90e2c43f3e858bbc2f87d491502d
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/USA560858569
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac67c2309c3c7fee1bfd7fd8b5fc13fe996f90e2c43f3e858bbc2f87d491502d. 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/USA560858569.
  date published: 2026-07-08T03:20:19Z
audio: Rigoletto, Atto II Scena 3-4: Povero Rigoletto!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.594
  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: 0.363
  additional property: Energy
    type: PropertyValue
    value: 0.117
  additional property: Speechiness
    type: PropertyValue
    value: 0.139
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.118
  additional property: Liveness
    type: PropertyValue
    value: 0.06
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.304
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.751
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Rigoletto, Atto II Scena 4: Cortigiani, vil razza dannata
type: MusicRecording
duration: PT4M53S
duration ms: 293906
explicit: false
by artist: Piero Cappuccilli
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
in album: Rigoletto - Highlights
  type: MusicAlbum
  date published: 1991-01-01
genre: opera
genre: italian-baritone
genre: classical-baritone
isrc code: USA560858570
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:57:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd1d1b2a4ba2553c8ad3c9d75a7f0f5e41ba2e3ec0e657a70e6fc5231ed42e283
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/USA560858570
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1d1b2a4ba2553c8ad3c9d75a7f0f5e41ba2e3ec0e657a70e6fc5231ed42e283. 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/USA560858570.
  date published: 2026-07-08T03:20:19Z
audio: Rigoletto, Atto II Scena 4: Cortigiani, vil razza dannata
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.801
  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: 0.267
  additional property: Energy
    type: PropertyValue
    value: 0.203
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.519
  additional property: Liveness
    type: PropertyValue
    value: 0.127
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.213
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.904
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto, Atto II Scena 6: Tutte le feste al tempio
type: MusicRecording
duration: PT8M24S
duration ms: 504400
explicit: false
by artist: Margherita Rinaldi
by artist: Piero Cappuccilli
by artist: Plinio Clabassi
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
in album: Rigoletto - Highlights
  type: MusicAlbum
  date published: 1991-01-01
genre: opera
isrc code: USA560858571
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:07:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeaef0a48cd9be9c0e55dab2bf43da571565a32aead16b3aa2f2260ecec5214ba
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/USA560858571
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaef0a48cd9be9c0e55dab2bf43da571565a32aead16b3aa2f2260ecec5214ba. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858571.
  date published: 2026-07-08T03:53:27Z
audio: Rigoletto, Atto II Scena 6: Tutte le feste al tempio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.223
  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: 0.251
  additional property: Energy
    type: PropertyValue
    value: 0.124
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.384
  additional property: Liveness
    type: PropertyValue
    value: 0.058
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.057
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.323
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto, Atto II Scena 8: Si, vendetta, tremenda vendetta
type: MusicRecording
duration: PT2M28S
duration ms: 148066
explicit: false
by artist: Piero Cappuccilli
by artist: Margherita Rinaldi
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
in album: Rigoletto - Highlights
  type: MusicAlbum
  date published: 1991-01-01
genre: opera
genre: italian-baritone
genre: classical-baritone
isrc code: USA560858572
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T14:28:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x06596a1152e68c7431793a5171b642984a9854d9ddab33510f7ee9ecedf392f0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858572
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956312
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T05:09:12+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06596a1152e68c7431793a5171b642984a9854d9ddab33510f7ee9ecedf392f0. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858572.
  date published: 2026-07-02T05:09:12Z
audio: Rigoletto, Atto II Scena 8: Si, vendetta, tremenda vendetta
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  additional property: Tempo (BPM)
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    value: 102.768
  additional property: Musical Key
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    value: 8
  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: 0.399
  additional property: Energy
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    value: 0.34
  additional property: Speechiness
    type: PropertyValue
    value: 0.104
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.586
  additional property: Liveness
    type: PropertyValue
    value: 0.69
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.351
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.441
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto, Atto III Scena 3: Bella figlia dell'amore
type: MusicRecording
duration: PT4M44S
duration ms: 284200
explicit: false
by artist: Luciano Pavarotti
by artist: Adriana Lazzarini
by artist: Piero Cappuccilli
by artist: Margherita Rinaldi
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
in album: Rigoletto - Highlights
  type: MusicAlbum
  date published: 1991-01-01
genre: classical-tenor
genre: italian-tenor
genre: operatic-pop
genre: opera
genre: canzone-napoletana
isrc code: USA560858575
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T07:46:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8dc6aabce3d76ffcf537e09439815417149ec3b640f455a41f23883af23115f7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858575
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953515
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:53:06+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dc6aabce3d76ffcf537e09439815417149ec3b640f455a41f23883af23115f7. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858575.
  date published: 2026-06-13T17:25:41Z
audio: Rigoletto, Atto III Scena 3: Bella figlia dell'amore
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 91.81
  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: 0.243
  additional property: Energy
    type: PropertyValue
    value: 0.18
  additional property: Speechiness
    type: PropertyValue
    value: 0.087
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.827
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.221
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.665
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto, Atto III Scena 7-8-9-10: Della Vendetta alfin giunge l'istante!
type: MusicRecording
duration: PT4M38S
duration ms: 278706
explicit: false
by artist: Piero Cappuccilli
by artist: Nicola Zaccaria
by artist: Luciano Pavarotti
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
in album: Rigoletto - Highlights
  type: MusicAlbum
  date published: 1991-01-01
genre: opera
genre: italian-baritone
genre: classical-baritone
isrc code: USA560858576
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:34:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6d9157b1794fa8aa4ce46c05419f7c59262482eb14203f94a41b706a5950551c
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/USA560858576
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d9157b1794fa8aa4ce46c05419f7c59262482eb14203f94a41b706a5950551c. 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/USA560858576.
  date published: 2026-07-08T03:20:19Z
audio: Rigoletto, Atto III Scena 7-8-9-10: Della Vendetta alfin giunge l'istante!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.613
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.436
  additional property: Energy
    type: PropertyValue
    value: 0.034
  additional property: Speechiness
    type: PropertyValue
    value: 0.072
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.501
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.204
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.374
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto, Atto I Scena 9: Figlia!... Mio padre!
type: MusicRecording
duration: PT10M14S
duration ms: 614800
explicit: false
by artist: Piero Cappuccilli
by artist: Luciano Pavarotti
by artist: Margherita Benetti
by artist: Margherita Rinaldi
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
in album: Rigoletto - Highlights
  type: MusicAlbum
  date published: 1991-01-01
genre: opera
genre: italian-baritone
genre: classical-baritone
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1e5b81a665d6093e0b1af48e95aaad28952642af313a45c27f0a5b50625ba64. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858565.
  date published: 2026-07-29T22:48:59Z
audio: Rigoletto, Atto I Scena 9: Figlia!... Mio padre!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.012
  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: 0.332
  additional property: Energy
    type: PropertyValue
    value: 0.138
  additional property: Speechiness
    type: PropertyValue
    value: 0.095
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.133
  additional property: Liveness
    type: PropertyValue
    value: 0.753
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.166
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.861
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USA560858565
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960160
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T22:48:59+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858565
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960160
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960160
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T22:48:59+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Rigoletto, Atto I Scena 7: Giovanna, ho dei rimorsi...
type: MusicRecording
duration: PT7M42S
duration ms: 462426
explicit: false
by artist: Angelo Jacopucci
by artist: Margherita Rinaldi
by artist: Margherita Benetti
by artist: Luciano Pavarotti
by artist: Leonardo Monreale
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
in album: Rigoletto - Highlights
  type: MusicAlbum
  date published: 1991-01-01
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3080ee037a30a0d607babe9eb6ad0db45d5d25a8693ddb02aefd808b19bb26dc. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/USA560858566.
  date published: 2026-07-30T07:28:30Z
audio: Rigoletto, Atto I Scena 7: Giovanna, ho dei rimorsi...
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.738
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.354
  additional property: Energy
    type: PropertyValue
    value: 0.125
  additional property: Speechiness
    type: PropertyValue
    value: 0.095
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
    value: 0.075
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.17
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.444
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: USA560858566
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960220
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T07:28:30+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858566
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960220
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960220
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T07:28:30+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Rigoletto, Atto I Scena 7: Gualtier Maldè!...
type: MusicRecording
duration: PT7M7S
duration ms: 427466
explicit: false
by artist: Leonardo Monreale
by artist: Teodoro Rovetta
by artist: Angelo Jacopucci
by artist: Margherita Rinaldi
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
in album: Rigoletto - Highlights
  type: MusicAlbum
  date published: 1991-01-01
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b68462787a2c00f23e7cec8c45f2317ece7d6a573eb0c7460f955c02b37adb1. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858567.
  date published: 2026-07-30T08:30:10Z
audio: Rigoletto, Atto I Scena 7: Gualtier Maldè!...
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.958
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.255
  additional property: Energy
    type: PropertyValue
    value: 0.037
  additional property: Speechiness
    type: PropertyValue
    value: 0.067
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.446
  additional property: Liveness
    type: PropertyValue
    value: 0.06
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.048
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.098
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USA560858567
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960229
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T08:30:10+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858567
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960229
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960229
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T08:30:10+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Rigoletto, Atto II Scena 1: Ella mi fu rapita!
type: MusicRecording
duration: PT5M18S
duration ms: 318506
explicit: false
by artist: Luciano Pavarotti
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
in album: Rigoletto - Highlights
  type: MusicAlbum
  date published: 1991-01-01
genre: classical-tenor
genre: italian-tenor
genre: operatic-pop
genre: opera
genre: canzone-napoletana
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee84a5a39d7e14d53f08254f893b429ca907439ce7c5b1f1a71c1084a0e623bf. 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/USA560858568.
  date published: 2026-07-30T06:39:12Z
audio: Rigoletto, Atto II Scena 1: Ella mi fu rapita!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.416
  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: 0.379
  additional property: Energy
    type: PropertyValue
    value: 0.094
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.078
  additional property: Liveness
    type: PropertyValue
    value: 0.533
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.161
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.999
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USA560858568
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960216
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T06:39:12+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858568
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960216
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960216
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T06:39:12+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Rigoletto, Atto III Scena 10: V'ho ingannato... colpevole fui...
type: MusicRecording
duration: PT6M13S
duration ms: 373000
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by artist: Margherita Rinaldi
by artist: Piero Cappuccilli
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
in album: Rigoletto - Highlights
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genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T04:14:58Z
audio: Rigoletto, Atto III Scena 10: V'ho ingannato... colpevole fui...
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La Traviata: "Ah, Fors'è Lui" and "Sempre Libera"
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duration: PT6M43S
duration ms: 403466
explicit: false
by artist: Francesco Maria Piave
by artist: Giuseppe Verdi
by artist: Dame Joan Sutherland
in album: Joan Sutherland - Opera Favourites
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  date published: 2021-08-18
genre: opera
isrc code: AUXN22177941
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: La Traviata: "Ah, Fors'è Lui" and "Sempre Libera"
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Rigoletto, Act III: Un dì, se ben rammentomi - Bella figlia dell'amore - Live
type: MusicRecording
duration: PT5M20S
duration ms: 320746
explicit: false
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
by artist: Ding Yi
by artist: Natalie Jones
by artist: Sally-Anne Russell
by artist: Warwick Fyfe
by artist: Thomas Woods
by artist: Opera Australia Orchestra
in album: The Classic 100: Opera - The Top 10 & Selected Highlights
  type: MusicAlbum
  date published: 2014-08-01
genre: classical
genre: opera
isrc code: AUAB00650632
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Rigoletto, Act III: Un dì, se ben rammentomi - Bella figlia dell'amore - Live
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Rigoletto: Questa O Quella
type: MusicRecording
duration: PT1M52S
duration ms: 112000
explicit: false
by artist: Francesco Maria Piave
by artist: Peter Dvorsky
by artist: Slovak Radio Symphony Orchestra
by artist: Giuseppe Verdi
in album: Peter Dvorsky: Italian And French Opera Arias
  type: MusicAlbum
  date published: 1990-04-01
genre: opera
isrc code: HKI199284703
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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  date published: 2026-07-08T03:20:19Z
audio: Rigoletto: Questa O Quella
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Rigoletto: La Donna E Mobile
type: MusicRecording
duration: PT2M9S
duration ms: 129000
explicit: false
by artist: Francesco Maria Piave
by artist: Peter Dvorsky
by artist: Slovak Radio Symphony Orchestra
by artist: Giuseppe Verdi
in album: Peter Dvorsky: Italian And French Opera Arias
  type: MusicAlbum
  date published: 1990-04-01
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T17:48:40Z
audio: Rigoletto: La Donna E Mobile
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  additional property: Danceability
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  additional property: Loudness (dB)
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isrc code: HKI199284702
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La Forza Del Destino: Pace, Pace
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duration: PT5M24S
duration ms: 324640
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by artist: Francesco Maria Piave
by artist: Miriam Gauci
by artist: Belgian Radio and Television Philharmonic Orchestra
by artist: Giuseppe Verdi
in album: Soprano Arias From Italian Operas (Miriam Gauci)
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genre: opera
isrc code: HKI199310903
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: La Forza Del Destino: Pace, Pace
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Parigi o cara (La Traviata) - Instrumental
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duration: PT4M2S
duration ms: 242000
explicit: false
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
by artist: Nova Amadeus Chamber Orchestra of Rome
by artist: Stefano Sovrani
in album: Opera Live! (Instrumentals)
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  date published: 2021-01-15
genre: classical
genre: opera
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  date published: 2026-07-30T14:36:16Z
audio: Parigi o cara (La Traviata) - Instrumental
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  additional property: Loudness (dB)
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  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBHGA2035890
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960264
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T14:36:16+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBHGA2035890
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960264
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960264
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:36:16+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Carmen: Toreador's Song (Arr. Glenn Amer and Tarita Botsman)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 123.662
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: 0.422
additional property: Energy
  type: PropertyValue
  value: 0.257
additional property: Speechiness
  type: PropertyValue
  value: 0.06
additional property: Acousticness
  type: PropertyValue
  value: 0.98
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.035
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.216
additional property: Loudness (dB)
  type: PropertyValue
  value: -17.492
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Major

Madama Butterfly: Un bel dì
type: MusicRecording
duration: PT4M54S
duration ms: 294240
explicit: false
by artist: Giacomo Puccini
by artist: Giuseppe Giacosa
by artist: Luigi Illica
by artist: Tarita Botsman
by artist: Andrew Greene
by artist: Tasmanian Symphony Orchestra
in album: The 7 Sopranos
  type: MusicAlbum
  date published: 2013-11-01
isrc code: AUAB01350312
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:18:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x136baa09f8310b529009ad8be1ad53094e13500a03210b96618b87eb1c8efbea
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/AUAB01350312
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x136baa09f8310b529009ad8be1ad53094e13500a03210b96618b87eb1c8efbea. 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/AUAB01350312.
  date published: 2026-07-08T03:20:19Z
audio: Madama Butterfly: Un bel dì
  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)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.244
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.074
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.31
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
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The Tales of Hoffmann: Barcarolle
type: MusicRecording
duration: PT4M1S
duration ms: 241080
explicit: false
by artist: Jacques Offenbach
by artist: Jules Barbier
by artist: The 7 Sopranos
by artist: Andrew Greene
by artist: Tasmanian Symphony Orchestra
in album: The 7 Sopranos
  type: MusicAlbum
  date published: 2013-11-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: AUAB01350317
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:35:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa06666233fd4edcc23faf8c79f6e3e36bec846bd6d3371378315e4fce102a79c
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/AUAB01350317
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa06666233fd4edcc23faf8c79f6e3e36bec846bd6d3371378315e4fce102a79c. 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/AUAB01350317.
  date published: 2026-07-08T03:20:19Z
audio: The Tales of Hoffmann: Barcarolle
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.846
  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: 0.198
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.059
  additional property: Liveness
    type: PropertyValue
    value: 0.373
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.652
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Lakmé: Flower Duet
type: MusicRecording
duration: PT5M20S
duration ms: 320666
explicit: false
by artist: Léo Delibes
by artist: Philippe Gille
by artist: Edmond Gondinet
by artist: The 7 Sopranos
by artist: Andrew Greene
by artist: Tasmanian Symphony Orchestra
in album: The 7 Sopranos
  type: MusicAlbum
  date published: 2013-11-01
genre: classical
isrc code: AUAB01350318
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:31:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x29b39a7c380a4cf0f42254527151ba57279e23dc5a5c2cdd52c284160a290547
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB01350318
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29b39a7c380a4cf0f42254527151ba57279e23dc5a5c2cdd52c284160a290547. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB01350318.
  date published: 2026-07-08T03:22:41Z
audio: Lakmé: Flower Duet
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.173
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.255
  additional property: Energy
    type: PropertyValue
    value: 0.114
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.08
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.043
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.675
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Credo
type: MusicAlbum
date published: 2021-01-22
track: Vergin tutto amor
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190506
  explicit: false
  by artist: Francesco Durante
  by artist: Lorenzo Pagans
  by artist: Marina Rebeka
  by artist: Modestas Pitrenas
  by artist: Sinfonietta Riga
  in album: Credo
    type: MusicAlbum
    date published: 2021-01-22
  genre: baroque
  isrc code: QZDSS1900120
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T04:42:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4b577aab000f01e1712e988774d14fe193e353bdb66d6548f928ceb45195fc45
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956889
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956889
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDSS1900120
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T06:56:49Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b577aab000f01e1712e988774d14fe193e353bdb66d6548f928ceb45195fc45. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZDSS1900120.
    date published: 2026-07-06T06:56:49Z
  audio: Vergin tutto amor
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.394
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.193
    additional property: Energy
      type: PropertyValue
      value: 0.146
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.986
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.102
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.058
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.798
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Ave Maria, D. 839
  type: MusicRecording
  duration: PT5M6S
  duration ms: 306293
  explicit: false
  by artist: Franz Schubert
  by artist: Holy Scriptures
  by artist: Marina Rebeka
  by artist: Modestas Pitrenas
  by artist: Sinfonietta Riga
  in album: Credo
    type: MusicAlbum
    date published: 2021-01-22
  genre: classical
  genre: classical-piano
  genre: chamber-music
  isrc code: QZDSS1900124
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T16:56:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbf0f31ac3c9c6046f277cdeab0296b79283b2ae71418ddab0412198c5533fdfc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDSS1900124
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf0f31ac3c9c6046f277cdeab0296b79283b2ae71418ddab0412198c5533fdfc. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDSS1900124.
    date published: 2026-07-08T08:56:20Z
  audio: Ave Maria, D. 839
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 112.251
    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: 0.259
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.049
    additional property: Acousticness
      type: PropertyValue
      value: 0.989
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.002
    additional property: Liveness
      type: PropertyValue
      value: 0.099
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.038
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.79
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Adagio in G Minor (Arr. for voice and orchestra)
  type: MusicRecording
  duration: PT8M41S
  duration ms: 521919
  explicit: false
  by artist: Tomaso Albinoni
  by artist: Remo Giazotto
  by artist: Anonymous
  by artist: Marina Rebeka
  by artist: Modestas Pitrenas
  by artist: Sinfonietta Riga
  in album: Credo
    type: MusicAlbum
    date published: 2021-01-22
  genre: classical
  isrc code: QZDSS1900128
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Adagio in G Minor (Arr. for voice and orchestra)
track: La forza del destino, Act II: La Vergine degli angeli

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-21T21:50:46+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x6eff5479daee7564eb7da1839b3ae764d1c5cd56962c53218a819b9f11aec75d

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956304

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDSS1900128

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eff5479daee7564eb7da1839b3ae764d1c5cd56962c53218a819b9f11aec75d. 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/QZDSS1900128.
date published: 2026-07-02T03:55:08Z

Adagio in G Minor (Arr. for voice and orchestra)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 108.084
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.15
additional property: Energy
  type: PropertyValue
  value: 0.082
additional property: Speechiness
  type: PropertyValue
  value: 0.044
additional property: Acousticness
  type: PropertyValue
  value: 0.961
additional property: Instrumentalness
  type: PropertyValue
  value: 0.003
additional property: Liveness
  type: PropertyValue
  value: 0.13
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.037
additional property: Loudness (dB)
  type: PropertyValue
  value: -20.838
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Minor

Golden Voice Series
type: MusicAlbum
date published: 2000-01-01

The Best Of Naxos 9
type: MusicAlbum
date published: 1995-03-23
track: Polonaise No. 1 In D Major, Op. 4: Polonaise Brillante, Op. 4
  type: MusicRecording
  duration: PT5M43S
  duration ms: 343000
  explicit: false
  by artist: Marat Bisengaliev
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Rigoletto - Highlights
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track: Rigoletto, Atto I Scena 1: Questa o quella per me pari sono
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Best Of Opera, Vol. 3
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Classical Music in Woody Allen Films
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Joan Sutherland - Opera Favourites
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track: La Traviata: "Ah, Fors'è Lui" and "Sempre Libera"
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100 Best Classical Music
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The Classic 100: Opera - The Top 10 & Selected Highlights
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    date published: 2026-07-08T03:20:19Z
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The Best Of Opera Volume 4
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Verdi auf Deutsch: Große Szenen aus Othello, Don Carlos, Falstaff
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Vissi d'arte…
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  subject of: OpenTimestamps Proof of Existence
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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Operaens Kvinder
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Hit Men
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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  subject of: OpenTimestamps Proof of Existence
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OpenTimestamps Proof of Existence
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date published: 2026-07-06T07:16:32Z

Nessun dorma! (Calaf/Coro)
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Peter Dvorsky: Italian And French Opera Arias
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    date published: 2026-07-02T05:09:12Z
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track: Rigoletto: La Donna E Mobile

14 Great Opera Choruses
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World's Favorite Operas - La Traviata
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La Traviata
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Rigoletto (Versione Italiana)
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Rigoletto
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Verdi auf Deutsch: Rigoletto (Gesamtaufnahme)
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Verdi auf Deutsch: Rigoletto
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Verdi auf Deutsch: La Traviata
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Macbeth
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Famous Tenor Arias
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Soprano Arias From Italian Operas (Miriam Gauci)
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track: Gianni Schicchi : O, Mio Babbino Caro
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Greatest Ever Classical Masterpieces - The Very Best Classical Music Collection
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Opera Live! (Instrumentals)
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x022b93d71a039f02f538bc56db78afbf1e6cba68be5619d3523a394e457f812a. 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/GBHGA2035894.
    date published: 2026-07-02T03:55:08Z
  audio: Ave Maria - Instrumental
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: Parigi o cara (La Traviata) - Instrumental

The Kiss
type: MusicAlbum
date published: 2016-02-05
track: Il trovatore, Act 1: "Tacea la notte placida"
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  by artist: Salvadore Cammarano
  by artist: Nicole Car
  by artist: Opera Australia Orchestra
  by artist: Andrea Molino
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    type: MusicAlbum
    date published: 2016-02-05
  genre: classical
  genre: opera
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB01650026
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T06:56:49Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x087d72ee74f33f919e9cc963ab699946a276c4402ce406f162ae2302f5cfc413. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/AUAB01650026.
    date published: 2026-07-06T06:56:49Z
  audio: Il trovatore, Act 1: "Tacea la notte placida"
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    additional property: Danceability
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    additional property: Speechiness
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Eugene Onegin, Op. 24, Act 1: "Puskai pogibnu ya" (Tatyana’s Letter Scene)
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  explicit: false
  by artist: Pyotr Ilyich Tchaikovsky
  by artist: Konstantin Shilovsky
  by artist: Nicole Car
  by artist: Opera Australia Orchestra
  by artist: Andrea Molino
  in album: The Kiss
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5df5b46e1155763eed194dbabe079e64681144ee445391f72c51f657694adb00. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB01650031.
    date published: 2026-07-08T03:22:41Z
  audio: Eugene Onegin, Op. 24, Act 1: "Puskai pogibnu ya" (Tatyana’s Letter Scene)
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    additional property: Mode (Major/Minor)
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Adriana Lecouvreur, Act 2: Intermezzo
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  duration: PT2M46S
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  by artist: Opera Australia Orchestra
  by artist: Andrea Molino
  in album: The Kiss
    type: MusicAlbum
    date published: 2016-02-05
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  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Adriana Lecouvreur, Act 2: Intermezzo

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value: https://explorer.copyrightchains.com/tx/0x52a72f31461fe67051b0d09c1208ab62ee3f0cedbd5e24c932d52b663eb8b6ef

OTSHash
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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/AUAB01650032

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52a72f31461fe67051b0d09c1208ab62ee3f0cedbd5e24c932d52b663eb8b6ef. 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/AUAB01650032.
date published: 2026-07-08T03:20:19Z

Adriana Lecouvreur, Act 2: Intermezzo
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
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additional property: Time Signature
  type: PropertyValue
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additional property: Danceability
  type: PropertyValue
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Cristal: Glass Music Through The Ages
type: MusicAlbum
date published: 2001-01-01
track: Allegro
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175933
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  by artist: Joseph Aloys Schmittbaur
  by artist: Dennis James
  in album: Cristal: Glass Music Through The Ages
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    date published: 2001-01-01
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T08:56:20Z
  audio: Allegro
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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マイ・ワールド
type: MusicAlbum
date published: 2017-04-05
track: 翼をください
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  by artist: Michio Yamagami
  by artist: 鷲尾麻衣
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    date published: 2017-04-05
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:22:41Z
  audio: 翼をください
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    additional property: Danceability
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The Great Italian Composers
type: MusicAlbum
date published: 2014-08-09

Arcangelo Corelli, Antonio Vivaldi & Giacomo Puccini: The Italian Masters
type: MusicAlbum
date published: 2014-04-24

Arias de Ópera
type: MusicAlbum
date published: 2014-09-01

Opera Live !
type: MusicAlbum
date published: 2020-10-30
track: Carmen: L’amour est un oiseau rebelle (Habanera) "from Carmen"
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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