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genre: opera
description: Shirley Verrett (May 31, 1931 – November 5, 2010) was an American operatic mezzo-soprano who successfully transitioned into soprano roles making her a Soprano sfogato. Verrett enjoyed great fame from
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album: Abbado A-Z: Verdi
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  track: Requiem: IIa. Dies irae
album: Verdi: Rigoletto
album: Verdi: Macbeth
album: Verdi: Don Carlos (Wiener Staatsoper Live)
album: Montserrat Caballé Sings Verdi
album: Montserrat Caballé - The Diva
album: Romantic Caballé
album: Verdi: Luisa Miller
album: Shirley Verrett at Carnegie Hall, New York City, January 30, 1965
album: Bellini: Norma
album: Verdi: Il Trovatore (Highlights)
album: Verdi: Il Trovatore
album: Verdi: Don Carlo - Highlights
album: Verrett in Opera
album: Donizetti: Anna Bolena
album: Carmen
album: Romantic Era Classics
album: Lovely Classique Musique Sacrée
album: Les plus grands airs d'opéra
album: 100 Best Opera Classics

Bizet: Carmen: Votre toast, je peux vous le rendre: Toreador Song - Act Two
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by artist: José van Dam
by artist: Covent Garden Chorus
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by artist: Richard van Allan
by artist: Teresa Cahill
by artist: Anne Pashley
by artist: Sir Georg Solti
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genre: classical
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  date published: 2026-07-02T03:55:08Z
audio: Bizet: Carmen: Votre toast, je peux vous le rendre: Toreador Song - Act Two
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Bizet: Carmen: L'amour est un oiseau rebelle: Habanera - Act One
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  date published: 2026-06-13T17:25:41Z
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Bizet: Carmen: Pres des remparts de Seville: Seguidilla - Act One
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  date published: 2026-07-02T05:09:12Z
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Bizet: Carmen: Les tringles des sistres tintaient: Danse Bohemienne - Act Two
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by artist: Shirley Verrett
by artist: Teersa Cahill
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by artist: Covent Garden Chorus
by artist: José van Dam
by artist: Sir Georg Solti
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genre: classical
genre: opera
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  date published: 2026-07-22T11:35:32Z
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by artist: Shirley Verrett
by artist: Sir Georg Solti
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T16:23:52Z
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Requiem: IIa. Dies irae
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Requiem: IIa. Dies irae
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Verdi: Rigoletto
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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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track: Rigoletto / Act 1: Questa o quella...Partite? Crudele!
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Rigoletto / Act 1: Veglia, o donna, questa fior
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  duration: PT5M17S
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  by artist: Giuseppe Verdi
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  by artist: Luciano Pavarotti
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  audio: Rigoletto / Act 1: Veglia, o donna, questa fior
track: Rigoletto / Act 3: La donna è mobile - E là il vostr'uomo
track: Rigoletto / Act 3: Bella figlia dell'amore
track: Rigoletto / Act 1: Scena ed Aria. "Gualtier Maldè" - "Caro nome"

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
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date published: 2026-07-08T03:22:41Z

Rigoletto / Act 1: Veglia, o donna, questa fior
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Rigoletto / Act 3: La donna è mobile - E là il vostr'uomo
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Rigoletto / Act 3: Bella figlia dell'amore
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaecd0c4d1a0aae2acbe2d7b78a1039d48c2b5fce58ce55a8f156f35ee2af60d6. 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/GBF078940425.
  date published: 2026-07-08T03:53:27Z
audio: Rigoletto / Act 3: Bella figlia dell'amore
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Rigoletto / Act 1: Scena ed Aria. "Gualtier Maldè" - "Caro nome"
type: MusicRecording
duration: PT6M37S
duration ms: 397000
explicit: false
by artist: Giuseppe Verdi
by artist: June Anderson
by artist: Piero de Palma
by artist: Carlo de Bortoli
by artist: Roberto Scaltriti
by artist: Coro del Teatro Comunale di Bologna
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Riccardo Chailly
in album: Verdi: Rigoletto
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  date published: 1989-01-01
genre: classical
genre: opera
isrc code: GBF078940412
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957061
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078940412
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T21:51:37Z
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 0xb437911c54ac9f29580999c4fe9a00109069b0599a93f4b12aa78261d35792fd. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-21T21:51:37Z), 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/GBF078940412.
  date published: 2026-07-21T21:51:37Z
audio: Rigoletto / Act 1: Scena ed Aria. "Gualtier Maldè" - "Caro nome"
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Verdi: Macbeth
type: MusicAlbum
date published: 1987-01-01

Verdi: Don Carlos (Wiener Staatsoper Live)
type: MusicAlbum
date published: 2016-01-01

Montserrat Caballé Sings Verdi
type: MusicAlbum
date published: 2013-08-05
track: I Vespri Siciliani: Bolero: merce, dirette amiche
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210586
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  by artist: Gianfranco Masini
  by artist: Giuseppe Verdi
  by artist: Montserrat Caballé
  by artist: Orquestra Simfònica de Barcelona i Nacional de Catalunya
  in album: Montserrat Caballé Sings Verdi
    type: MusicAlbum
    date published: 2013-08-05
  isrc code: ES5027400257
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xf02882d2c664b286a31ace8cffb2bbeebebc3413a998a3445d65b9ae22889354
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5027400257
  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 0xf02882d2c664b286a31ace8cffb2bbeebebc3413a998a3445d65b9ae22889354. 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/ES5027400257.
    date published: 2026-07-08T03:22:41Z
  audio: I Vespri Siciliani: Bolero: merce, dirette amiche
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: La Traviata: Act I: Libiamo ne' lieti calici
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184493
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Montserrat Caballé
  by artist: Carlo Bergonzi
  by artist: Georges Prêtre
  by artist: RCA Italiana Opera Orchestra
  by artist: RCA Italiana Opera Chorus
  by artist: Fernando Iacopucci
  by artist: Dorothy Krebill
  by artist: Harold Enns
  by artist: Gene Boucher
  by artist: Sherrill Milnes
  by artist: Thomas Jamerson
  by artist: Nancy Stokes
  by artist: Camillo Sforza
  by artist: Franco Ruta
  by artist: Flavio Tasin
  in album: Montserrat Caballé Sings Verdi
    type: MusicAlbum
    date published: 2013-08-05
  genre: classical
  genre: opera
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC16700137
  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 0x0e81cb54f00b88366ae833c95dc25b73a5bead7ce96c636fb7a2dcfb4c7bce8d. 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/USBC16700137.
    date published: 2026-07-08T03:22:41Z
  audio: La Traviata: Act I: Libiamo ne' lieti calici
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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: Il Trovatore: D'amor sull'ali rosee
  type: MusicRecording
  duration: PT5M34S
  duration ms: 334720
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Montserrat Caballé
  by artist: Gianfranco Masini
  by artist: Orquestra Simfònica de Barcelona i Nacional de Catalunya
  in album: Montserrat Caballé Sings Verdi
  genre: classical
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  isrc code: ES5027400253
  additional property: CopyrightID
  additional property: CopyrightStatus
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  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: Il Trovatore: D'amor sull'ali rosee
track: La Traviata: Act I: Sempre libera
track: Rigoletto: Caro nome
track: I Lombardi: Act IV: Qual prodigio! - Non fu sogno!
track: Un Ballo In Maschera: Morro, ma prima in grazia
track: Otello: Ave Maria

Montserrat Caballé Sings Verdi
type: MusicAlbum
date published: 2013-08-05

CopyrightID
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CopyrightStatus
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CopyrightRegisteredAt
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CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0xc7ebd426b114f62b7e8732674f49e1654ba31d67f3988da06aa4bf916d457b14

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 956351

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956351

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5027400253

OTSTimestamp
type: PropertyValue
value: 2026-07-02T11:38:34Z

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 0xc7ebd426b114f62b7e8732674f49e1654ba31d67f3988da06aa4bf916d457b14. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5027400253.
date published: 2026-07-02T11:38:34Z

Il Trovatore: D'amor sull'ali rosee
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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La Traviata: Act I: Sempre libera
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duration: PT3M42S
duration ms: 222080
explicit: false
by artist: Giuseppe Verdi
by artist: Georges Prêtre
by artist: Montserrat Caballé
by artist: Carlo Bergonzi
by artist: RCA Italiana Opera Orchestra
in album: Montserrat Caballé Sings Verdi
  type: MusicAlbum
  date published: 2013-08-05
genre: classical
genre: opera
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15023f79cc9d2eae21cc64af059b0252c2bfc5d67f82d94583cd27d37659d745. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC16700144.
  date published: 2026-07-07T18:39:05Z
audio: La Traviata: Act I: Sempre libera
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Rigoletto: Caro nome
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duration: PT6M23S
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by artist: Giuseppe Verdi
by artist: Montserrat Caballé
by artist: Gianfranco Masini
by artist: Orquestra Simfònica de Barcelona i Nacional de Catalunya
in album: Montserrat Caballé Sings Verdi
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genre: classical
genre: opera
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19c36b7365a84208dbe174bfa63d0b63a07c2adbc7a5a6a767aded6b3fe81446. 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/ES5027400250.
  date published: 2026-07-02T03:30:09Z
audio: Rigoletto: Caro nome
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  additional property: Mode (Major/Minor)
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I Lombardi: Act IV: Qual prodigio! - Non fu sogno!
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by artist: Montserrat Caballé
by artist: Anton Guadagno
by artist: RCA Italiana Opera Orchestra
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genre: classical
genre: opera
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: I Lombardi: Act IV: Qual prodigio! - Non fu sogno!
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Un Ballo In Maschera: Morro, ma prima in grazia
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by artist: Montserrat Caballé
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Un Ballo In Maschera: Morro, ma prima in grazia
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Otello: Ave Maria
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by artist: Montserrat Caballé
by artist: Carlo Felice Cillario
by artist: Orchestre Symphonique de Barcelone
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T16:43:08Z
audio: Otello: Ave Maria
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Montserrat Caballé - The Diva
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date published: 2013-05-24
track: Norma: Casta diva
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T11:38:34Z
  audio: Norma: Casta diva
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track: La Traviata: Act I: Libiamo ne' lieti calici
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  by artist: Fernando Iacopucci
  by artist: Dorothy Krebill
  by artist: Harold Enns
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: La Gioconda: Suicidio¡
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  audio: La Gioconda: Suicidio¡
track: L'Assedio di Corinto: Act III: L'ora fatal s'appressa; Giusto ciel! In tal periglio
track: La Traviata: Act I: Sempre libera
track: Cavalleria Rusticana: Voi Lo Sapete, O Mamma
track: Otello - Act III - Assisa a' piè d'un salice
track: Il pirata - Act II - Col sorriso d'innocenza (Mad Scene) - 1987 Remasterd
track: Armida - Act I - D'amore al dolce impero
track: Un giorno di regno (Il Finto Stanislao): Act I: Ah! non m'hanno ingannata! - Grave a core innamorato
track: Adriana Lecouvreur: Io Son L'Umile Ancella
track: I Lombardi: Act IV: Qual prodigio! - Non fu sogno!
track: Rigoletto: Caro nome
track: Pietà ti prenta - "Aida"
track: L'Elisir D'Amore: Una Parola, O Adina
track: Otello: Ave Maria
track: La Bohème: Act I: Mi chiamano Mimì
track: I Vespri Siciliani: Bolero: merce, dirette amiche
track: La Bohème: Act I: O soave fanciulla
track: Tosca: Vissi d'arte
track: Gianni Schicchi: O mio babbino caro

Montserrat Caballé
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Armando Gatto
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Montserrat Caballé - The Diva
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T08:56:20Z

La Gioconda: Suicidio¡
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L'Assedio di Corinto: Act III: L'ora fatal s'appressa; Giusto ciel! In tal periglio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: L'Assedio di Corinto: Act III: L'ora fatal s'appressa; Giusto ciel! In tal periglio
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La Traviata: Act I: Sempre libera
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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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Cavalleria Rusticana: Voi Lo Sapete, O Mamma
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Cavalleria Rusticana: Voi Lo Sapete, O Mamma
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Otello - Act III - Assisa a' piè d'un salice
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Otello - Act III - Assisa a' piè d'un salice
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Il pirata - Act II - Col sorriso d'innocenza (Mad Scene) - 1987 Remasterd
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  date published: 2026-07-08T03:53:27Z
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Armida - Act I - D'amore al dolce impero
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  date published: 2026-07-08T03:20:19Z
audio: Armida - Act I - D'amore al dolce impero
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Un giorno di regno (Il Finto Stanislao): Act I: Ah! non m'hanno ingannata! - Grave a core innamorato
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  date published: 2026-07-08T03:20:19Z
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Adriana Lecouvreur: Io Son L'Umile Ancella
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x232444d425d65c02344fcd4438e847b5a3d531370b1545c2790cdf2e71c75e2e. 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/ES5027400251.
  date published: 2026-07-08T08:56:20Z
audio: Adriana Lecouvreur: Io Son L'Umile Ancella
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I Lombardi: Act IV: Qual prodigio! - Non fu sogno!
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duration: PT3M36S
duration ms: 216680
explicit: false
by artist: Giuseppe Verdi
by artist: Montserrat Caballé
by artist: Anton Guadagno
by artist: RCA Italiana Opera Orchestra
in album: Montserrat Caballé - The Diva
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  date published: 2013-05-24
genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fa66fade04e8a12dc9333e318cefc22827653c21517c55e36b9f14931b1d21f. 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/USBC10401733.
  date published: 2026-07-08T08:56:20Z
audio: I Lombardi: Act IV: Qual prodigio! - Non fu sogno!
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Rigoletto: Caro nome
type: MusicRecording
duration: PT6M23S
duration ms: 383573
explicit: false
by artist: Giuseppe Verdi
by artist: Montserrat Caballé
by artist: Orquestra Simfònica de Barcelona i Nacional de Catalunya
by artist: Gianfranco Masini
in album: Montserrat Caballé - The Diva
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  date published: 2013-05-24
genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19c36b7365a84208dbe174bfa63d0b63a07c2adbc7a5a6a767aded6b3fe81446. 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/ES5027400250.
  date published: 2026-07-02T05:09:12Z
audio: Rigoletto: Caro nome
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Pietà ti prenta - "Aida"
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duration: PT4M27S
duration ms: 267973
explicit: false
by artist: Giuseppe Verdi
by artist: Montserrat Caballé
by artist: Shirley Verrett
by artist: Anton Guadagno
in album: Montserrat Caballé - The Diva
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  date published: 2013-05-24
genre: classical
genre: opera
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f294eaa145443c97ddb79c6fa2156607367848f551bc65b4eb0bc62f8c3961f. 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/USSM11207010.
  date published: 2026-07-08T08:56:20Z
audio: Pietà ti prenta - "Aida"
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  additional property: Danceability
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L'Elisir D'Amore: Una Parola, O Adina
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duration: PT7M22S
duration ms: 442840
explicit: false
by artist: F.Romani
by artist: Gaetano Donizetti
by artist: Montserrat Caballé
by artist: Giuseppe Di Stefano
by artist: Gianfranco Masini
in album: Montserrat Caballé - The Diva
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isrc code: ES5027400249
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: L'Elisir D'Amore: Una Parola, O Adina
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Otello: Ave Maria
type: MusicRecording
duration: PT5M41S
duration ms: 341506
explicit: false
by artist: Giuseppe Verdi
by artist: Montserrat Caballé
by artist: Orchestre Symphonique de Barcelone
by artist: Carlo Felice Cillario
in album: Montserrat Caballé - The Diva
  type: MusicAlbum
  date published: 2013-05-24
genre: classical
genre: opera
isrc code: ES5026400096
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Otello: Ave Maria
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La Bohème: Act I: Mi chiamano Mimì
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duration: PT4M40S
duration ms: 280080
explicit: false
by artist: Giacomo Puccini
by artist: Montserrat Caballé
by artist: Plácido Domingo
by artist: London Philharmonic Orchestra
by artist: Sir Georg Solti
in album: Montserrat Caballé - The Diva
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  date published: 2013-05-24
isrc code: USBC19606073
additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: La Bohème: Act I: Mi chiamano Mimì
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I Vespri Siciliani: Bolero: merce, dirette amiche
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by artist: Orquestra Simfònica de Barcelona i Nacional de Catalunya
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isrc code: ES5027400257
additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5027400257
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 0xf02882d2c664b286a31ace8cffb2bbeebebc3413a998a3445d65b9ae22889354. 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/ES5027400257.
  date published: 2026-07-08T03:20:19Z
audio: I Vespri Siciliani: Bolero: merce, dirette amiche
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 129.266
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.508
  additional property: Energy
    type: PropertyValue
    value: 0.2
  additional property: Speechiness
    type: PropertyValue
    value: 0.065
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.247
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.407
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.542
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

La Bohème: Act I: O soave fanciulla
type: MusicRecording
duration: PT3M56S
duration ms: 236306
explicit: false
by artist: Giacomo Puccini
by artist: Plácido Domingo
by artist: Montserrat Caballé
by artist: Sherrill Milnes
by artist: Sir Georg Solti
by artist: London Philharmonic Orchestra
in album: Montserrat Caballé - The Diva
  type: MusicAlbum
  date published: 2013-05-24
isrc code: USBC19606075
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:35:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x99856bf92ed3dc4fb5d5191d295d79f11e190cfaf469ad53c9c31c7f59128942
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/USBC19606075
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 0x99856bf92ed3dc4fb5d5191d295d79f11e190cfaf469ad53c9c31c7f59128942. 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/USBC19606075.
  date published: 2026-07-08T03:22:41Z
audio: La Bohème: Act I: O soave fanciulla
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.785
  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: 0.23
  additional property: Energy
    type: PropertyValue
    value: 0.118
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.019
  additional property: Liveness
    type: PropertyValue
    value: 0.172
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.046
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.459
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
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Tosca: Vissi d'arte
type: MusicRecording
duration: PT3M23S
duration ms: 203893
explicit: false
by artist: Giacomo Puccini
by artist: Montserrat Caballé
by artist: Carlo Felice Cillario
in album: Montserrat Caballé - The Diva
  type: MusicAlbum
  date published: 2013-05-24
isrc code: ES5026400163
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T02:36:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x529596ddf2f6bcbee25ca05b149c5bcf3a5e8c2fed146c9e453931e9410e4211
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/ES5026400163
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 0x529596ddf2f6bcbee25ca05b149c5bcf3a5e8c2fed146c9e453931e9410e4211. 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/ES5026400163.
  date published: 2026-07-08T03:20:19Z
audio: Tosca: Vissi d'arte
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.673
  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: 0.18
  additional property: Energy
    type: PropertyValue
    value: 0.259
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.24
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.049
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.884
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Gianni Schicchi: O mio babbino caro
type: MusicRecording
duration: PT2M35S
duration ms: 155186
explicit: false
by artist: Giacomo Puccini
by artist: Montserrat Caballé
by artist: Josè Collado
in album: Montserrat Caballé - The Diva
  type: MusicAlbum
  date published: 2013-05-24
isrc code: ES5029100056
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T01:54:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x68b2a97e98a393288cd5a6816215ed4c1a97cf35c7b498ec98d52c80b26eee5e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5029100056
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68b2a97e98a393288cd5a6816215ed4c1a97cf35c7b498ec98d52c80b26eee5e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5029100056.
  date published: 2026-06-13T13:32:09Z
audio: Gianni Schicchi: O mio babbino caro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.289
  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: 0.192
  additional property: Energy
    type: PropertyValue
    value: 0.151
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.083
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.041
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.59
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Romantic Caballé
type: MusicAlbum
date published: 2013-03-29
track: Tosca: Vissi d'arte
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196893
  explicit: false
  by artist: Giacomo Puccini
  by artist: Montserrat Caballé
  by artist: Carlo Felice Cillario
  in album: Romantic Caballé
    type: MusicAlbum
    date published: 2013-03-29
  isrc code: ES5026400163
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T02:36:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x529596ddf2f6bcbee25ca05b149c5bcf3a5e8c2fed146c9e453931e9410e4211
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953528
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5026400163
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  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 0x529596ddf2f6bcbee25ca05b149c5bcf3a5e8c2fed146c9e453931e9410e4211. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ES5026400163.
    date published: 2026-06-13T15:41:10Z
  audio: Tosca: Vissi d'arte
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 103.56
    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: 0.178
    additional property: Energy
      type: PropertyValue
      value: 0.238
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.989
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.113
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.075
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.81
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Tonadillas: Amor y Odio
  type: MusicRecording
  duration: PT2M9S
  duration ms: 129813
  explicit: false
  by artist: Enrique Granados
  by artist: Montserrat Caballé
  by artist: Rafael Ferrer
  in album: Romantic Caballé
    type: MusicAlbum
    date published: 2013-03-29
  isrc code: ES5026400153
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T09:51:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa1e500c42e171e0bace18e2ecf76f9b5d225e5ad10fd49e3e35287358d478c48
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957052
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957052
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5026400153
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-07T14:50:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1e500c42e171e0bace18e2ecf76f9b5d225e5ad10fd49e3e35287358d478c48. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5026400153.
    date published: 2026-07-07T14:50:41Z
  audio: Tonadillas: Amor y Odio
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.933
    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: 0.463
    additional property: Energy
      type: PropertyValue
      value: 0.206
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.981
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.209
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.301
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.254
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Norma: Casta diva
  type: MusicRecording
  duration: PT6M45S
  duration ms: 405013
  explicit: false
  by artist: Vincenzo Bellini
  by artist: Carlo Felice Cillario
  by artist: London Philharmonic Orchestra
  by artist: Montserrat Caballé
  by artist: Ambrosian Opera Chorus
  by artist: Ruggero Raimondi
  in album: Romantic Caballé
    type: MusicAlbum
    date published: 2013-03-29
  genre: opera
  isrc code: USBC17200131
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T02:48:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x097390e193273c79bfd7551fb1e1f31bfa23564838f03a60ae3c66b0c189f27e
  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: Norma: Casta diva
track: Air
track: Gianni Schicchi: O mio babbino caro
track: Adriana Lecouvreur: Io son l'umile ancella
track: Hijo de la luna
track: Rigoletto: Gualtier Maldè... Caro nome
track: Les contes d'Hoffmann: Act II: Barcarolle: Belle nuit
track: Ave Maria
track: The Last Rose of Summer

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953520

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/953520

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC17200131

OTSTimestamp
type: PropertyValue
value: 2026-06-13T13:32:09Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x097390e193273c79bfd7551fb1e1f31bfa23564838f03a60ae3c66b0c189f27e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC17200131.
date published: 2026-06-13T13:32:09Z

Norma: Casta diva
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 100.991
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: 0.228
additional property: Energy
  type: PropertyValue
  value: 0.131
additional property: Speechiness
  type: PropertyValue
  value: 0.055
additional property: Acousticness
  type: PropertyValue
  value: 0.98
additional property: Instrumentalness
  type: PropertyValue
  value: 0.052
additional property: Liveness
  type: PropertyValue
  value: 0.118
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.067
additional property: Loudness (dB)
  type: PropertyValue
  value: -21.131
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Major

Air
type: MusicRecording
duration: PT2M51S
duration ms: 171720
explicit: false
by artist: Johann Sebastian Bach
by artist: Montserrat Caballé
by artist: Josè Collado
in album: Romantic Caballé
  type: MusicAlbum
  date published: 2013-03-29
genre: classical
genre: classical-piano
isrc code: DEE479800306
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T22:28:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x003cb7e35dbefd9da29efdd0d137738f810f3e8ef52fe9d9a4ce5dbc38de3b4f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE479800306
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x003cb7e35dbefd9da29efdd0d137738f810f3e8ef52fe9d9a4ce5dbc38de3b4f. 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/DEE479800306.
  date published: 2026-07-02T03:55:08Z
audio: Air
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.189
  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: 0.203
  additional property: Energy
    type: PropertyValue
    value: 0.215
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.01
  additional property: Liveness
    type: PropertyValue
    value: 0.066
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.149
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.376
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Gianni Schicchi: O mio babbino caro
type: MusicRecording
duration: PT2M33S
duration ms: 153973
explicit: false
by artist: Giacomo Puccini
by artist: Montserrat Caballé
by artist: Josè Collado
in album: Romantic Caballé
  type: MusicAlbum
  date published: 2013-03-29
isrc code: ES5029100056
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T01:54:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x68b2a97e98a393288cd5a6816215ed4c1a97cf35c7b498ec98d52c80b26eee5e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5029100056
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
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 0x68b2a97e98a393288cd5a6816215ed4c1a97cf35c7b498ec98d52c80b26eee5e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ES5029100056.
  date published: 2026-06-13T15:41:10Z
audio: Gianni Schicchi: O mio babbino caro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.022
  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: 0.186
  additional property: Energy
    type: PropertyValue
    value: 0.154
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.064
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.534
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Adriana Lecouvreur: Io son l'umile ancella
type: MusicRecording
duration: PT3M59S
duration ms: 239066
explicit: false
by artist: Francesco Cilea
by artist: Montserrat Caballé
by artist: Gianfranco Masini
in album: Romantic Caballé
  type: MusicAlbum
  date published: 2013-03-29
genre: opera
isrc code: ES5027400421
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T03:36:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6279455a91467708639cd9b9239916bb7a452e380d3448fb1d5ce31f9a761990
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/ES5027400421
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6279455a91467708639cd9b9239916bb7a452e380d3448fb1d5ce31f9a761990. 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/ES5027400421.
  date published: 2026-07-02T05:09:12Z
audio: Adriana Lecouvreur: Io son l'umile ancella
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.734
  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: 0.201
  additional property: Energy
    type: PropertyValue
    value: 0.074
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.09
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.748
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Hijo de la luna
type: MusicRecording
duration: PT5M21S
duration ms: 321120
explicit: false
by artist: José María Cano
by artist: Montserrat Caballé
by artist: English Chamber Orchestra
in album: Romantic Caballé
  type: MusicAlbum
  date published: 2013-03-29
isrc code: ES5029100086
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T19:26:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x393bebed8a4416de69492d6d697f976b4e6357edd59e6df82568955f45c9fe39
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5029100086
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x393bebed8a4416de69492d6d697f976b4e6357edd59e6df82568955f45c9fe39. 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/ES5029100086.
  date published: 2026-07-02T03:55:08Z
audio: Hijo de la luna
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 157.21
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.348
  additional property: Energy
    type: PropertyValue
    value: 0.175
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.025
  additional property: Liveness
    type: PropertyValue
    value: 0.133
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.15
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.481
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Rigoletto: Gualtier Maldè... Caro nome
type: MusicRecording
duration: PT6M23S
duration ms: 383253
explicit: false
by artist: Giuseppe Verdi
by artist: Montserrat Caballé
by artist: Gianfranco Masini
in album: Romantic Caballé
  type: MusicAlbum
  date published: 2013-03-29
genre: classical
genre: opera
isrc code: ES5029100081
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T18:54:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd96bc71b16cc39995537c211dacce2794fcc170eea59fdca7d4f9d9d49823770
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956349
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5029100081
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd96bc71b16cc39995537c211dacce2794fcc170eea59fdca7d4f9d9d49823770. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5029100081.
  date published: 2026-07-02T11:34:59Z
audio: Rigoletto: Gualtier Maldè... Caro nome
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.479
  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: 0.347
  additional property: Energy
    type: PropertyValue
    value: 0.034
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.025
  additional property: Liveness
    type: PropertyValue
    value: 0.084
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.068
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.62
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Les contes d'Hoffmann: Act II: Barcarolle: Belle nuit
type: MusicRecording
duration: PT3M55S
duration ms: 235333
explicit: false
by artist: Jacques Offenbach
by artist: Anton Guadagno
by artist: Montserrat Caballé
by artist: Shirley Verrett
by artist: New Philharmonia Orchestra
in album: Romantic Caballé
  type: MusicAlbum
  date published: 2013-03-29
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: USBC16900174
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T06:44:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x66e0c087dd3337814b9fdbdd5c4992b722bd5af0305a413ecb1a0ab3c5d3c550
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC16900174
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66e0c087dd3337814b9fdbdd5c4992b722bd5af0305a413ecb1a0ab3c5d3c550. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC16900174.
  date published: 2026-06-13T13:32:09Z
audio: Les contes d'Hoffmann: Act II: Barcarolle: Belle nuit
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.931
  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: 0.214
  additional property: Energy
    type: PropertyValue
    value: 0.24
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.362
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.063
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.115
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ave Maria
type: MusicRecording
duration: PT3M33S
duration ms: 213720
explicit: false
by artist: Pietro Mascagni
by artist: Montserrat Caballé
by artist: Miguel Ortega
in album: Romantic Caballé
  type: MusicAlbum
  date published: 2013-03-29
genre: opera
isrc code: DEE470000063
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T19:51:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x111f35eaa18ff1bf8fd223998d2e0fb3a1b713f340b6145ec19dcdae9993cd2a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956349
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE470000063
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x111f35eaa18ff1bf8fd223998d2e0fb3a1b713f340b6145ec19dcdae9993cd2a. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE470000063.
  date published: 2026-07-02T11:34:59Z
audio: Ave Maria
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.863
  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: 0.253
  additional property: Energy
    type: PropertyValue
    value: 0.087
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.053
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.027
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Last Rose of Summer
type: MusicRecording
duration: PT4M15S
duration ms: 255986
explicit: false
by artist: Traditional
by artist: Montserrat Caballé
in album: Romantic Caballé
  type: MusicAlbum
  date published: 2013-03-29
genre: bhajan
genre: gregorian-chant
genre: medieval
genre: traditional-music
isrc code: DEE479800305
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:02:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd260e5408ca2c67b59be3d489512729b1bd98db00335d061649106aa87e2eab3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957075
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-21T16:37:41Z
audio: The Last Rose of Summer
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Verdi: Luisa Miller
type: MusicAlbum
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Shirley Verrett at Carnegie Hall, New York City, January 30, 1965
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Bellini: Norma
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
  audio: Norma: Sinfonia
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track: Norma / Act I: Oh non tremare
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  by artist: Shirley Verrett
  by artist: New Philharmonia Orchestra
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
  audio: Norma / Act I: Oh non tremare
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track: Norma / Act I: Vanne, si: mi lascia, indegno
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  by artist: Vincenzo Bellini
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  by artist: Shirley Verrett
  by artist: Enrico di Giuseppe
  by artist: John Alldis Choir
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  by artist: James Levine
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    type: MusicAlbum
    date published: 2009-01-01
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  subject of: OpenTimestamps Proof of Existence
  audio: Norma / Act I: Vanne, si: mi lascia, indegno
track: Norma / Act I: Sediziose voci, voci di guerra
track: Norma / Act I: Casta Diva
track: Norma / Act I: Fine al rito
track: Norma / Act II: Non parti?
track: Norma / Act II: Squilla il bronzo del Dio!
track: Norma / Act II: Qual cor tradisti, qual cor perdesti

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

OpenTimestamps Proof of Existence
type: DigitalDocument
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdee1ade42da73f1a0655a390239aee95b5d5e7a9a379278282040c3f9d397350. 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/DEF057331323.
date published: 2026-07-08T03:22:41Z

Norma / Act I: Vanne, si: mi lascia, indegno
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Norma / Act I: Sediziose voci, voci di guerra
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by artist: Paul Plishka
by artist: John Alldis Choir
by artist: New Philharmonia Orchestra
by artist: James Levine
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Norma / Act I: Sediziose voci, voci di guerra
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Norma / Act I: Casta Diva
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by artist: John Alldis Choir
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Norma / Act I: Casta Diva
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Norma / Act I: Fine al rito
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by artist: Paul Plishka
by artist: John Alldis Choir
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by artist: James Levine
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Norma / Act I: Fine al rito
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Norma / Act II: Non parti?
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by artist: New Philharmonia Orchestra
by artist: James Levine
in album: Bellini: Norma
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genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Norma / Act II: Non parti?
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Norma / Act II: Squilla il bronzo del Dio!
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duration: PT1M32S
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by artist: Beverly Sills
by artist: Paul Plishka
by artist: John Alldis Choir
by artist: New Philharmonia Orchestra
by artist: James Levine
in album: Bellini: Norma
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genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  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 0x6ea5a097ce5bc742673c9e23afb5cc8e852214c08d6366e4484e24f27331bf7a. 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/DEF057331334.
  date published: 2026-07-08T03:53:27Z
audio: Norma / Act II: Squilla il bronzo del Dio!
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Norma / Act II: Qual cor tradisti, qual cor perdesti
type: MusicRecording
duration: PT5M15S
duration ms: 315693
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by artist: Vincenzo Bellini
by artist: Beverly Sills
by artist: Enrico di Giuseppe
by artist: Paul Plishka
by artist: John Alldis Choir
by artist: New Philharmonia Orchestra
by artist: James Levine
in album: Bellini: Norma
  type: MusicAlbum
  date published: 2009-01-01
genre: opera
isrc code: DEF057331340
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16b93ca21e32c1931cf55715341348f3fced17bfd38c16869f8334266067e825. 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/DEF057331340.
  date published: 2026-07-08T03:20:19Z
audio: Norma / Act II: Qual cor tradisti, qual cor perdesti
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  additional property: Energy
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  additional property: Valence (Positivity)
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Verdi: Il Trovatore (Highlights)
type: MusicAlbum
date published: 1996-07-01

Verdi: Il Trovatore
type: MusicAlbum
date published: 1995-01-01
track: Il Trovatore / Act 3: "Or co' dadi"
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  by artist: Coro del Maggio Musicale Fiorentino
  by artist: Francesco Ellero D'Artegna
  by artist: Orchestra del Maggio Musicale Fiorentino
  by artist: Zubin Mehta
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  genre: classical
  genre: opera
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1de5dde76d36ea136bf381db6f424652dc602a5a1000bbfaed7ad655e8f4d78d. 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/GBF079045219.
    date published: 2026-07-08T03:53:27Z
  audio: Il Trovatore / Act 3: "Or co' dadi"
    type: AudioObject
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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    additional property: Liveness
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track: Il Trovatore / Act 1: "Di due figli"
  type: MusicRecording
  duration: PT7M36S
  duration ms: 456160
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Francesco Ellero D'Artegna
  by artist: Coro del Maggio Musicale Fiorentino
  by artist: Orchestra del Maggio Musicale Fiorentino
  by artist: Zubin Mehta
  in album: Verdi: Il Trovatore
    type: MusicAlbum
    date published: 1995-01-01
  genre: classical
  genre: opera
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  additional property: CopyrightID
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:22:41Z
  audio: Il Trovatore / Act 1: "Di due figli"
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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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: Il Trovatore / Act 1: "Che più t'arresti?"
  type: MusicRecording
  duration: PT2M27S
  duration ms: 147666
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  by artist: Giuseppe Verdi
  by artist: Barbara Frittoli
  by artist: Antonella Banaudi
  by artist: Orchestra del Maggio Musicale Fiorentino
  by artist: Zubin Mehta
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    type: MusicAlbum
    date published: 1995-01-01
  genre: classical
  genre: opera
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  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: Il Trovatore / Act 1: "Che più t'arresti?"
track: Il Trovatore / Act 3: "Giorni poveri vivea"
track: Il Trovatore / Act 1: "Di tale amor"
track: Il Trovatore / Act 3: "Ah sì ben mio"
track: Il Trovatore / Act 3: "Di quella pira"
track: Il Trovatore / Act 2: "Mal reggendo all'aspro assalto"
track: Il Trovatore / Act 4: "Mira di acerbe lagrime"
track: Il Trovatore / Act 2: "Il balen del suo sorriso" - "Qual suono! o ciel!"
track: Il Trovatore / Act 2: "Ah, se l'error t'ingombra...Perchè piangete?"
track: Il Trovatore / Act 2: "E deggio e posso crederlo?"
track: Il Trovatore / Act 4: "Sì; la stanchezza m'opprime"
track: Il Trovatore / Act 4: "Che! Non m'inganno! Quel fioco lume..."
track: Il Trovatore / Act 4: "Ti scosta!"

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CopyrightChainExplorerURL
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OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079045203

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 0xca67b6ab93abaadf62ce512a5a446f6aea0b74d6c91ce7e449308b762e8a6b53. 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/GBF079045203.
date published: 2026-07-08T03:20:19Z

Il Trovatore / Act 1: "Che più t'arresti?"
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additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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Il Trovatore / Act 3: "Giorni poveri vivea"
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duration: PT5M12S
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by artist: Shirley Verrett
by artist: Francesco Ellero D'Artegna
by artist: Leo Nucci
by artist: Coro del Maggio Musicale Fiorentino
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
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genre: classical
genre: opera
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Il Trovatore / Act 3: "Giorni poveri vivea"
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  additional property: Speechiness
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  additional property: Instrumentalness
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Il Trovatore / Act 1: "Di tale amor"
type: MusicRecording
duration: PT2M40S
duration ms: 160666
explicit: false
by artist: Giuseppe Verdi
by artist: Antonella Banaudi
by artist: Barbara Frittoli
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1995-01-01
genre: classical
genre: opera
isrc code: GBF079045205
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079045205
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 0x62ee608e95bf18f79197226bfd6e9eee3ec7136f7158b4331c926a7b29df54a6. 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/GBF079045205.
  date published: 2026-07-08T03:22:41Z
audio: Il Trovatore / Act 1: "Di tale amor"
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Il Trovatore / Act 3: "Ah sì ben mio"
type: MusicRecording
duration: PT2M55S
duration ms: 175826
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1995-01-01
genre: classical
genre: opera
isrc code: GBF079045224
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  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/GBF079045224
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0da73230bb731c385a836e4690397760795e3388a05ebe74a69549c502a3d0c. 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/GBF079045224.
  date published: 2026-07-08T03:20:19Z
audio: Il Trovatore / Act 3: "Ah sì ben mio"
  type: AudioObject
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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Il Trovatore / Act 3: "Di quella pira"
type: MusicRecording
duration: PT3M1S
duration ms: 181066
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Antonella Banaudi
by artist: Piero de Palma
by artist: Coro del Maggio Musicale Fiorentino
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1995-01-01
genre: classical
genre: opera
isrc code: GBF079045226
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-07T03:50:43+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xe323bee2c60e3988c64400d3f86305f63ba980e2aa397fc500b8a9dc0c267b93
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079045226
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe323bee2c60e3988c64400d3f86305f63ba980e2aa397fc500b8a9dc0c267b93. 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/GBF079045226.
  date published: 2026-07-08T03:53:27Z
audio: Il Trovatore / Act 3: "Di quella pira"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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Il Trovatore / Act 2: "Mal reggendo all'aspro assalto"
type: MusicRecording
duration: PT4M19S
duration ms: 259839
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Shirley Verrett
by artist: Enrico Facini
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1995-01-01
genre: classical
genre: opera
isrc code: GBF079045213
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079045213
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90ca137b71f3224da94289181b62c5024195518abbd156ada37d8d70c74ef0ad. 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/GBF079045213.
  date published: 2026-07-08T03:53:27Z
audio: Il Trovatore / Act 2: "Mal reggendo all'aspro assalto"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Loudness (dB)
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Il Trovatore / Act 4: "Mira di acerbe lagrime"
type: MusicRecording
duration: PT3M11S
duration ms: 191160
explicit: false
by artist: Giuseppe Verdi
by artist: Antonella Banaudi
by artist: Leo Nucci
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1995-01-01
genre: classical
genre: opera
isrc code: GBF079045233
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:37:30+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/GBF079045233
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 0x911122a566ce94e8cecfb77d75ca561d1009cfaaf65a94b7d4d39dbe86d879e1. 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/GBF079045233.
  date published: 2026-07-08T03:20:19Z
audio: Il Trovatore / Act 4: "Mira di acerbe lagrime"
  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
    type: PropertyValue
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Il Trovatore / Act 2: "Il balen del suo sorriso" - "Qual suono! o ciel!"
type: MusicRecording
duration: PT6M50S
duration ms: 410666
explicit: false
by artist: Giuseppe Verdi
by artist: Leo Nucci
by artist: Francesco Ellero D'Artegna
by artist: Coro del Maggio Musicale Fiorentino
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1995-01-01
genre: classical
genre: opera
isrc code: GBF079045216
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:46:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd855ed7d8f2a5e8dfe7d760f3b505dc3aecc8bc35a8fbe36b162a7e74396b98f
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079045216
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 0xd855ed7d8f2a5e8dfe7d760f3b505dc3aecc8bc35a8fbe36b162a7e74396b98f. 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/GBF079045216.
  date published: 2026-07-08T03:20:19Z
audio: Il Trovatore / Act 2: "Il balen del suo sorriso" - "Qual suono! o ciel!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.072
  additional property: Acousticness
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    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.042
  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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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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Il Trovatore / Act 2: "Ah, se l'error t'ingombra...Perchè piangete?"
type: MusicRecording
duration: PT4M44S
duration ms: 284333
explicit: false
by artist: Giuseppe Verdi
by artist: Coro del Maggio Musicale Fiorentino
by artist: Leo Nucci
by artist: Francesco Ellero D'Artegna
by artist: Antonella Banaudi
by artist: Barbara Frittoli
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1995-01-01
genre: classical
genre: opera
isrc code: GBF079045217
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079045217
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Il Trovatore / Act 2: "Ah, se l'error t'ingombra...Perchè piangete?"
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Il Trovatore / Act 2: "E deggio e posso crederlo?"
type: MusicRecording
duration: PT4M22S
duration ms: 262506
explicit: false
by artist: Giuseppe Verdi
by artist: Antonella Banaudi
by artist: Leo Nucci
by artist: Luciano Pavarotti
by artist: Barbara Frittoli
by artist: Piero de Palma
by artist: Francesco Ellero D'Artegna
by artist: Coro del Maggio Musicale Fiorentino
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
in album: Verdi: Il Trovatore
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  date published: 1995-01-01
genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Il Trovatore / Act 2: "E deggio e posso crederlo?"
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Il Trovatore / Act 4: "Sì; la stanchezza m'opprime"
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duration: PT3M28S
duration ms: 208826
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by artist: Giuseppe Verdi
by artist: Shirley Verrett
by artist: Luciano Pavarotti
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
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genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Il Trovatore / Act 4: "Sì; la stanchezza m'opprime"
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Il Trovatore / Act 4: "Che! Non m'inganno! Quel fioco lume..."
type: MusicRecording
duration: PT1M17S
duration ms: 77173
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Antonella Banaudi
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
in album: Verdi: Il Trovatore
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  date published: 1995-01-01
genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Il Trovatore / Act 4: "Che! Non m'inganno! Quel fioco lume..."
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Il Trovatore / Act 4: "Ti scosta!"
type: MusicRecording
duration: PT1M7S
duration ms: 67666
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Antonella Banaudi
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
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  date published: 1995-01-01
genre: classical
genre: opera
isrc code: GBF079045239
additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Il Trovatore / Act 4: "Ti scosta!"
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Verdi: Don Carlo - Highlights
type: MusicAlbum
date published: 1971
track: Don Carlo - Highlights (1986 Digital Remaster): Scena e romanza 'Fontainbleu! Foresta immensa e solitaria' (Carlo)
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  duration: PT4M25S
  duration ms: 265760
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Plácido Domingo
  by artist: Orchestra of the Royal Opera House, Covent Garden
  by artist: Carlo Maria Giulini
  by artist: Orch.Of Royal Opera House Covent Garden
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    type: MusicAlbum
    date published: 1971
  genre: classical
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  isrc code: GBAYC8906177
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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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Verrett in Opera
type: MusicAlbum
date published: 1968
track: Orfeo ed Euridice, Wq. 30, Act I: Amour, viens rendre à mon âme - Remastered
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  duration: PT5M20S
  duration ms: 320013
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  by artist: Georges Prêtre
  by artist: RCA Italiana Opera Orchestra
  by artist: Shirley Verrett
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    date published: 1968
  popularity: 0
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: La Favorita: Act III: O mio Fernando
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  popularity: 0
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11706623
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdec72c916bea58c54b80308a807322be8a025ea50f93ac216985dfc7d8bafd5f. 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/USSM11706623.
    date published: 2026-07-08T03:53:27Z
  audio: La Favorita: Act III: O mio Fernando
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: 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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Donizetti: Anna Bolena
type: MusicAlbum
date published: 1973-01-01
track: Anna Bolena - Tragedia lirica in due atti / Act 1: E'sgombro il loco
  type: MusicRecording
  duration: PT3M34S
  duration ms: 214600
  explicit: false
  by artist: Gaetano Donizetti
  by artist: Patricia Kern
  by artist: London Symphony Orchestra
  by artist: Julius Rudel
  in album: Donizetti: Anna Bolena
    type: MusicAlbum
    date published: 1973-01-01
  genre: opera
  isrc code: DEF057233120
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T11:35:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe7162c6d53b071300301542dd6352614e2bdafbc4e7650a6af436948835bdf28
  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/DEF057233120
  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 0xe7162c6d53b071300301542dd6352614e2bdafbc4e7650a6af436948835bdf28. 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/DEF057233120.
    date published: 2026-07-08T03:20:19Z
  audio: Anna Bolena - Tragedia lirica in due atti / Act 1: E'sgombro il loco
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 101.903
    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: 0.221
    additional property: Energy
      type: PropertyValue
      value: 0.066
    additional property: Speechiness
      type: PropertyValue
      value: 0.056
    additional property: Acousticness
      type: PropertyValue
      value: 0.987
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.014
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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      value: Ab
    additional property: Mode Name
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track: Anna Bolena - Tragedia lirica in due atti / Act 1: Ah! parea che per incanto
  type: MusicRecording
  duration: PT4M15S
  duration ms: 255400
  explicit: false
  by artist: Gaetano Donizetti
  by artist: Patricia Kern
  by artist: London Symphony Orchestra
  by artist: Julius Rudel
  in album: Donizetti: Anna Bolena
    type: MusicAlbum
    date published: 1973-01-01
  genre: opera
  isrc code: DEF057233121
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T02:43:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc5a72711747616bd1fb1532312a992a4a99712f33ef5a2c24791cce33c1101f1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057233121
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5a72711747616bd1fb1532312a992a4a99712f33ef5a2c24791cce33c1101f1. 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/DEF057233121.
    date published: 2026-07-08T03:53:27Z
  audio: Anna Bolena - Tragedia lirica in due atti / Act 1: Ah! parea che per incanto
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 124.178
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
      value: 0.418
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.115
    additional property: Key Name
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      value: Ab
    additional property: Mode Name
      type: PropertyValue
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track: Anna Bolena - Tragedia lirica in due atti / Act 1: Deh! non voler costringere
  type: MusicRecording
  duration: PT2M21S
  duration ms: 141973
  explicit: false
  by artist: Gaetano Donizetti
  by artist: Beverly Sills
  by artist: Patricia Kern
  by artist: Shirley Verrett
  by artist: London Symphony Orchestra
  by artist: Julius Rudel
  in album: Donizetti: Anna Bolena
    type: MusicAlbum
    date published: 1973-01-01
  genre: opera
  isrc code: DEF057233105
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T02:12:29+00:00
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Anna Bolena - Tragedia lirica in due atti / Act 1: Deh! non voler costringere
track: Anna Bolena - Tragedia lirica in due atti / Act 1: Come, innocente giovane
track: Anna Bolena - Tragedia lirica in due atti / Act 2: Per questa fiamma indomita
track: Anna Bolena - Tragedia lirica in due atti / Act 1: Tace ognuno
track: Anna Bolena - Tragedia lirica in due atti / Act 2: Ah! pensate che rivolti
track: Anna Bolena - Tragedia lirica in due atti / Act 1: La mia fama e a'pie dell'ara (Giovanna, Enrico)
track: Anna Bolena - Tragedia lirica in due atti / Act 1: Ah! qual sia cercar non oso
track: Anna Bolena - Tragedia lirica in due atti / Act 1: Chi veggo?
track: Anna Bolena - Tragedia lirica in due atti / Act 2: Piangete voi?
track: Anna Bolena - Tragedia lirica in due atti / Act 1: Ah! così nel dì ridenti

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x44f86dc24dffa76408598322032ded39846fd3972160f335ebe802972ad91565

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957118

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057233105

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 0x44f86dc24dffa76408598322032ded39846fd3972160f335ebe802972ad91565. 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/DEF057233105.
date published: 2026-07-08T03:20:19Z

Anna Bolena - Tragedia lirica in due atti / Act 1: Deh! non voler costringere
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 101.16
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: 0.465
additional property: Energy
  type: PropertyValue
  value: 0.167
additional property: Speechiness
  type: PropertyValue
  value: 0.106
additional property: Acousticness
  type: PropertyValue
  value: 0.983
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.19
additional property: Valence (Positivity)
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  value: 0.28
additional property: Loudness (dB)
  type: PropertyValue
  value: -19.106
additional property: Key Name
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  value: Eb
additional property: Mode Name
  type: PropertyValue
  value: Major

Anna Bolena - Tragedia lirica in due atti / Act 1: Come, innocente giovane
type: MusicRecording
duration: PT3M12S
duration ms: 192693
explicit: false
by artist: Gaetano Donizetti
by artist: Beverly Sills
by artist: Shirley Verrett
by artist: London Symphony Orchestra
by artist: Julius Rudel
in album: Donizetti: Anna Bolena
  type: MusicAlbum
  date published: 1973-01-01
genre: opera
isrc code: DEF057233106
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:10:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x88bf649737efb4d787ba597fb2367dbf418ea4d8a483e8a8ec4a710d39bbc04a
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/DEF057233106
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 0x88bf649737efb4d787ba597fb2367dbf418ea4d8a483e8a8ec4a710d39bbc04a. 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/DEF057233106.
  date published: 2026-07-08T03:22:41Z
audio: Anna Bolena - Tragedia lirica in due atti / Act 1: Come, innocente giovane
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.127
  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: 0.282
  additional property: Energy
    type: PropertyValue
    value: 0.194
  additional property: Speechiness
    type: PropertyValue
    value: 0.066
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.137
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.089
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.459
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Anna Bolena - Tragedia lirica in due atti / Act 2: Per questa fiamma indomita
type: MusicRecording
duration: PT2M35S
duration ms: 155786
explicit: false
by artist: Gaetano Donizetti
by artist: Shirley Verrett
by artist: London Symphony Orchestra
by artist: Julius Rudel
in album: Donizetti: Anna Bolena
  type: MusicAlbum
  date published: 1973-01-01
genre: opera
isrc code: DEF057233141
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:34:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeb503bd4c494735ec80fc061eecd855556cb41f207201f7e40aa70fe0511b655
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/DEF057233141
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 0xeb503bd4c494735ec80fc061eecd855556cb41f207201f7e40aa70fe0511b655. 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/DEF057233141.
  date published: 2026-07-08T03:20:19Z
audio: Anna Bolena - Tragedia lirica in due atti / Act 2: Per questa fiamma indomita
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.948
  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: 0.304
  additional property: Energy
    type: PropertyValue
    value: 0.192
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.149
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.055
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.105
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Anna Bolena - Tragedia lirica in due atti / Act 1: Tace ognuno
type: MusicRecording
duration: PT2M16S
duration ms: 136173
explicit: false
by artist: Gaetano Donizetti
by artist: Beverly Sills
by artist: Patricia Kern
by artist: Stuart Burrows
by artist: Paul Plishka
by artist: London Symphony Orchestra
by artist: Julius Rudel
in album: Donizetti: Anna Bolena
  type: MusicAlbum
  date published: 1973-01-01
genre: opera
isrc code: DEF057233127
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:00:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x88d28c67c8192ac01ed5ba32c4a627005bf6b2c500f5bd85694459fcc3e95863
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057233127
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88d28c67c8192ac01ed5ba32c4a627005bf6b2c500f5bd85694459fcc3e95863. 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/DEF057233127.
  date published: 2026-07-08T03:53:27Z
audio: Anna Bolena - Tragedia lirica in due atti / Act 1: Tace ognuno
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Anna Bolena - Tragedia lirica in due atti / Act 2: Ah! pensate che rivolti
type: MusicRecording
duration: PT4M55S
duration ms: 295000
explicit: false
by artist: Gaetano Donizetti
by artist: Shirley Verrett
by artist: Paul Plishka
by artist: John Alldis Choir
by artist: John Alldis
by artist: London Symphony Orchestra
by artist: Julius Rudel
in album: Donizetti: Anna Bolena
  type: MusicAlbum
  date published: 1973-01-01
genre: opera
isrc code: DEF057233143
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  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/DEF057233143
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd106fd79124e8c0a25d4c1b1a54fdbe51b6dc07edc1a8b4ffa884c162fc17dd. 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/DEF057233143.
  date published: 2026-07-08T03:20:19Z
audio: Anna Bolena - Tragedia lirica in due atti / Act 2: Ah! pensate che rivolti
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Anna Bolena - Tragedia lirica in due atti / Act 1: La mia fama e a'pie dell'ara (Giovanna, Enrico)
type: MusicRecording
duration: PT2M51S
duration ms: 171653
explicit: false
by artist: Gaetano Donizetti
by artist: Shirley Verrett
by artist: Paul Plishka
by artist: London Symphony Orchestra
by artist: Julius Rudel
in album: Donizetti: Anna Bolena
  type: MusicAlbum
  date published: 1973-01-01
genre: opera
isrc code: DEF057233110
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057233110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd94b55030c1327170db751e7dd93d058439d76cb851c7f2747c9351bdae74722. 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/DEF057233110.
  date published: 2026-07-08T03:53:27Z
audio: Anna Bolena - Tragedia lirica in due atti / Act 1: La mia fama e a'pie dell'ara (Giovanna, Enrico)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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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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Anna Bolena - Tragedia lirica in due atti / Act 1: Ah! qual sia cercar non oso
type: MusicRecording
duration: PT3M20S
duration ms: 200240
explicit: false
by artist: Gaetano Donizetti
by artist: Shirley Verrett
by artist: Paul Plishka
by artist: London Symphony Orchestra
by artist: Julius Rudel
in album: Donizetti: Anna Bolena
  type: MusicAlbum
  date published: 1973-01-01
genre: opera
isrc code: DEF057233112
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057233112
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb86f62af711235721241cdccc9a6cf8831131440a46fa85357e4d09ea4be91f1. 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/DEF057233112.
  date published: 2026-07-08T08:56:20Z
audio: Anna Bolena - Tragedia lirica in due atti / Act 1: Ah! qual sia cercar non oso
  type: AudioObject
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  additional property: Mode (Major/Minor)
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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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Anna Bolena - Tragedia lirica in due atti / Act 1: Chi veggo?
type: MusicRecording
duration: PT3M13S
duration ms: 193466
explicit: false
by artist: Gaetano Donizetti
by artist: Robert Lloyd
by artist: Stuart Burrows
by artist: London Symphony Orchestra
by artist: Julius Rudel
in album: Donizetti: Anna Bolena
  type: MusicAlbum
  date published: 1973-01-01
genre: opera
isrc code: DEF057233113
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06cd8107a63e8eacaa6a028f6855c7ea74e34025d77712d32cf6a01488f9060b. 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/DEF057233113.
  date published: 2026-07-08T03:22:41Z
audio: Anna Bolena - Tragedia lirica in due atti / Act 1: Chi veggo?
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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Anna Bolena - Tragedia lirica in due atti / Act 2: Piangete voi?
type: MusicRecording
duration: PT4M34S
duration ms: 274933
explicit: false
by artist: Gaetano Donizetti
by artist: Beverly Sills
by artist: John Alldis Choir
by artist: John Alldis
by artist: London Symphony Orchestra
by artist: Julius Rudel
in album: Donizetti: Anna Bolena
  type: MusicAlbum
  date published: 1973-01-01
genre: opera
isrc code: DEF057233148
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057233148
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 0x92be4d8abacd0085ee1115ed2a24ed74d3fa9d93f125ed61be5b27dac6143618. 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/DEF057233148.
  date published: 2026-07-08T03:20:19Z
audio: Anna Bolena - Tragedia lirica in due atti / Act 2: Piangete voi?
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  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: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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Anna Bolena - Tragedia lirica in due atti / Act 1: Ah! così nel dì ridenti
type: MusicRecording
duration: PT3M18S
duration ms: 198946
explicit: false
by artist: Gaetano Donizetti
by artist: Stuart Burrows
by artist: Robert Lloyd
by artist: London Symphony Orchestra
by artist: Julius Rudel
in album: Donizetti: Anna Bolena
  type: MusicAlbum
  date published: 1973-01-01
genre: opera
isrc code: DEF057233115
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ef17b412fdb6ed03058312a8881429148d3a2cb72b3f28cd9906f1dc6f3db29. 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/DEF057233115.
  date published: 2026-07-08T03:20:19Z
audio: Anna Bolena - Tragedia lirica in due atti / Act 1: Ah! così nel dì ridenti
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: 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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Carmen
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date published: 2005-11-15
track: Bizet: Carmen: Prelude - Act One
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  by artist: Orchestra of the Royal Opera House, Covent Garden
  by artist: Sir Georg Solti
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    type: MusicAlbum
    date published: 2005-11-15
  genre: classical
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93683937076162433d0526390acb50b25d57e8c49f13dcdf3620e968c7532160. 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/US89R0695281.
    date published: 2026-06-13T17:25:41Z
  audio: Bizet: Carmen: Prelude - Act One
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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      value: 0.977
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.587
    additional property: Key Name
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      value: A
    additional property: Mode Name
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track: Bizet: Carmen: Sur la place chacun passe - Act One
  type: MusicRecording
  duration: PT6M14S
  duration ms: 374133
  explicit: false
  by artist: Georges Bizet
  by artist: Covent Garden Chorus
  by artist: Thomas Allan
  by artist: Kiri Te Kanawa
  by artist: Sir Georg Solti
  in album: Carmen
    type: MusicAlbum
    date published: 2005-11-15
  genre: classical
  genre: opera
  isrc code: US89R0695282
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x9facc9b83f38a6f8cbdca0e33951c7e13f8414108c96d7f9b690fc45ce063f1d
  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/US89R0695282
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9facc9b83f38a6f8cbdca0e33951c7e13f8414108c96d7f9b690fc45ce063f1d. 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/US89R0695282.
    date published: 2026-07-02T05:09:12Z
  audio: Bizet: Carmen: Sur la place chacun passe - Act One
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: 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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      value: Bb
    additional property: Mode Name
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track: Bizet: Carmen: Avec la garde montate - Act One
  type: MusicRecording
  duration: PT5M52S
  duration ms: 352200
  explicit: false
  by artist: Georges Bizet
  by artist: Covent Garden Chorus
  by artist: Richard van Allan
  by artist: Thomas Allan
  by artist: Plácido Domingo
  by artist: Sir Georg Solti
  in album: Carmen
    type: MusicAlbum
    date published: 2005-11-15
  genre: classical
  genre: opera
  isrc code: US89R0695283
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Bizet: Carmen: Avec la garde montate - Act One
track: Bizet: Carmen: Votre toast, je peux vous le rendre: Toreador Song - Act Two
track: Bizet: Carmen: Voyons, que j'essaie a mon tour - Act Three
track: Bizet: Carmen: quant au douanier, c'est notre affaire! - Act Three
track: Bizet: Carmen: L'amour est un oiseau rebelle: Habanera - Act One
track: Bizet: Carmen: La fleur que tu m'avais jetee: Flower Song - Act Two
track: Bizet: Carmen: Carmen! Sur tes pas nous nous pressons tous! - Act One
track: Bizet: Carmen: Je suis Escamillo, torero de Grenade - Act Three
track: Bizet: Carmen: Parle-moi de ma mere! - Act One
track: Bizet: Carmen: Hola! Carmen! Hola! Hola! - Act Two
track: Bizet: Carmen: Hola! Hola! Jose! - Act Three
track: Bizet: Carmen: Une femme! - Act Three
track: Bizet: Carmen: Avez-vous quelque chose a repondre? - Act One
track: Bizet: Carmen: A deux cuartos! - - Act Four
track: Bizet: Carmen: Pres des remparts de Seville: Seguidilla - Act One
track: Bizet: Carmen: Si tu m'aimes, Carmen - Act Four
track: Bizet: Carmen: Voici l'ordre; partez, et faites bonne garde - Act One
track: Bizet: Carmen: C'est toi! - Act Four
track: Bizet: Carmen: Les tringles des sistres tintaient: Danse Bohemienne - Act Two
track: Bizet: Carmen: Mais nous ne voyons pas la Carmencita! - Act One

CopyrightRegisteredAt
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CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x92c65f7f82ef55bb96c51607dd28553c93c041a5f29bf994b7cac95d6ec06421

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 956312

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956312

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US89R0695283

OTSTimestamp
type: PropertyValue
value: 2026-07-02T05:09:12Z

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 0x92c65f7f82ef55bb96c51607dd28553c93c041a5f29bf994b7cac95d6ec06421. 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/US89R0695283.
date published: 2026-07-02T05:09:12Z

Bizet: Carmen: Avec la garde montate - Act One
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 128.034
additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
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additional property: Time Signature
  type: PropertyValue
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
  type: PropertyValue
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additional property: Key Name
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additional property: Mode Name
  type: PropertyValue
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Bizet: Carmen: Voyons, que j'essaie a mon tour - Act Three
type: MusicRecording
duration: PT5M8S
duration ms: 308240
explicit: false
by artist: Georges Bizet
by artist: Shirley Verrett
by artist: Teresa Cahill
by artist: Anne Pashley
by artist: John Dobson
by artist: Francis Egerton
by artist: Plácido Domingo
by artist: Sir Georg Solti
in album: Carmen
  type: MusicAlbum
  date published: 2005-11-15
genre: classical
genre: opera
isrc code: US89R0695305
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US89R0695305
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 0x9b3d50c49c2d27a1fea87ffc0673b12b17a78cdd30c403ce0e03ef2a0638210b. 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/US89R0695305.
  date published: 2026-07-08T03:22:41Z
audio: Bizet: Carmen: Voyons, que j'essaie a mon tour - Act Three
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Bizet: Carmen: quant au douanier, c'est notre affaire! - Act Three
type: MusicRecording
duration: PT3M35S
duration ms: 215253
explicit: false
by artist: Georges Bizet
by artist: Teresa Cahill
by artist: Anne Pashley
by artist: Shirley Verrett
by artist: Covent Garden Chorus
by artist: Francis Egerton
by artist: John Dobson
by artist: Kiri Te Kanawa
by artist: Sir Georg Solti
in album: Carmen
  type: MusicAlbum
  date published: 2005-11-15
genre: classical
genre: opera
isrc code: US89R0695306
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x4b153c730187ce38731b22db49704460429d6b6f0755f83f7146a676c2cb88a1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US89R0695306
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 0x4b153c730187ce38731b22db49704460429d6b6f0755f83f7146a676c2cb88a1. 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/US89R0695306.
  date published: 2026-07-08T03:20:19Z
audio: Bizet: Carmen: quant au douanier, c'est notre affaire! - Act Three
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.494
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.374
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Bizet: Carmen: La fleur que tu m'avais jetee: Flower Song - Act Two
type: MusicRecording
duration: PT4M31S
duration ms: 271666
explicit: false
by artist: Georges Bizet
by artist: Plácido Domingo
by artist: Sir Georg Solti
in album: Carmen
  type: MusicAlbum
  date published: 2005-11-15
genre: classical
genre: opera
isrc code: US89R0695299
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T17:26:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9de0ee1ea0713cd31e58ebff21fafb9f84fc3284f71b8e034697912aa30ab1f2
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/US89R0695299
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9de0ee1ea0713cd31e58ebff21fafb9f84fc3284f71b8e034697912aa30ab1f2. 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/US89R0695299.
  date published: 2026-07-02T05:09:12Z
audio: Bizet: Carmen: La fleur que tu m'avais jetee: Flower Song - Act Two
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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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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Bizet: Carmen: Carmen! Sur tes pas nous nous pressons tous! - Act One
type: MusicRecording
duration: PT2M50S
duration ms: 170320
explicit: false
by artist: Georges Bizet
by artist: Covent Garden Chorus
by artist: Plácido Domingo
by artist: Kiri Te Kanawa
by artist: Sir Georg Solti
in album: Carmen
  type: MusicAlbum
  date published: 2005-11-15
genre: classical
genre: opera
isrc code: US89R0695287
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US89R0695287
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c90b0236ebd5ec22b03accbe6dfb113a50ce41f0d5419f9f79980add795bb97. 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/US89R0695287.
  date published: 2026-07-02T05:09:12Z
audio: Bizet: Carmen: Carmen! Sur tes pas nous nous pressons tous! - Act One
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.236
  additional property: Energy
    type: PropertyValue
    value: 0.24
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.238
  additional property: Liveness
    type: PropertyValue
    value: 0.375
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.078
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.502
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bizet: Carmen: Je suis Escamillo, torero de Grenade - Act Three
type: MusicRecording
duration: PT5M19S
duration ms: 319080
explicit: false
by artist: Georges Bizet
by artist: José van Dam
by artist: Plácido Domingo
by artist: Sir Georg Solti
in album: Carmen
  type: MusicAlbum
  date published: 2005-11-15
genre: classical
genre: opera
isrc code: US89R0695308
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:17:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4856697eb52c5c56e0e6fedc9398b5e67effdf319bba3dc9e2d6664a593b0021
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/US89R0695308
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 0x4856697eb52c5c56e0e6fedc9398b5e67effdf319bba3dc9e2d6664a593b0021. 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/US89R0695308.
  date published: 2026-07-08T03:22:41Z
audio: Bizet: Carmen: Je suis Escamillo, torero de Grenade - Act Three
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.976
  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: 0.257
  additional property: Energy
    type: PropertyValue
    value: 0.307
  additional property: Speechiness
    type: PropertyValue
    value: 0.066
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.023
  additional property: Liveness
    type: PropertyValue
    value: 0.466
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.334
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.575
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bizet: Carmen: Parle-moi de ma mere! - Act One
type: MusicRecording
duration: PT4M44S
duration ms: 284573
explicit: false
by artist: Georges Bizet
by artist: Plácido Domingo
by artist: Kiri Te Kanawa
by artist: Sir Georg Solti
in album: Carmen
  type: MusicAlbum
  date published: 2005-11-15
genre: classical
genre: opera
isrc code: US89R0695288
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T10:12:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4efb55cd471d39d0ffbf3bed61391e00cae1468728ab471a2e5ec8336e4d4b0f
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/US89R0695288
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4efb55cd471d39d0ffbf3bed61391e00cae1468728ab471a2e5ec8336e4d4b0f. 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/US89R0695288.
  date published: 2026-07-02T05:09:12Z
audio: Bizet: Carmen: Parle-moi de ma mere! - Act One
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.745
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.189
  additional property: Energy
    type: PropertyValue
    value: 0.207
  additional property: Speechiness
    type: PropertyValue
    value: 0.084
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.666
  additional property: Liveness
    type: PropertyValue
    value: 0.185
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.069
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.81
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bizet: Carmen: Hola! Carmen! Hola! Hola! - Act Two
type: MusicRecording
duration: PT5M39S
duration ms: 339933
explicit: false
by artist: Georges Bizet
by artist: Richard van Allan
by artist: Plácido Domingo
by artist: Shirley Verrett
by artist: Francis Egerton
by artist: John Dobson
by artist: Covent Garden Chorus
by artist: Teresa Cahill
by artist: Anne Pashley
by artist: Sir Georg Solti
in album: Carmen
  type: MusicAlbum
  date published: 2005-11-15
genre: classical
genre: opera
isrc code: US89R0695301
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:30:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb1d35018272febdb29891719b94cae738c9cb2b123b0b4592f69d93b3b3dd1d1
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/US89R0695301
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 0xb1d35018272febdb29891719b94cae738c9cb2b123b0b4592f69d93b3b3dd1d1. 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/US89R0695301.
  date published: 2026-07-08T03:20:19Z
audio: Bizet: Carmen: Hola! Carmen! Hola! Hola! - Act Two
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.611
  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: 0.321
  additional property: Energy
    type: PropertyValue
    value: 0.335
  additional property: Speechiness
    type: PropertyValue
    value: 0.069
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.288
  additional property: Liveness
    type: PropertyValue
    value: 0.359
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.318
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.947
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bizet: Carmen: Hola! Hola! Jose! - Act Three
type: MusicRecording
duration: PT3M0S
duration ms: 180213
explicit: false
by artist: Georges Bizet
by artist: Shirley Verrett
by artist: José van Dam
by artist: John Dobson
by artist: Plácido Domingo
by artist: Covent Garden Chorus
by artist: Francis Egerton
by artist: Sir Georg Solti
in album: Carmen
  type: MusicAlbum
  date published: 2005-11-15
genre: classical
genre: opera
isrc code: US89R0695309
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:46:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x51fc95f71990cc2387e8fb08a6769768fafc7de4ceee4e7e86e17472f73ca81d
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/US89R0695309
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 0x51fc95f71990cc2387e8fb08a6769768fafc7de4ceee4e7e86e17472f73ca81d. 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/US89R0695309.
  date published: 2026-07-08T03:20:19Z
audio: Bizet: Carmen: Hola! Hola! Jose! - Act Three
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.672
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.311
  additional property: Energy
    type: PropertyValue
    value: 0.245
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.042
  additional property: Liveness
    type: PropertyValue
    value: 0.642
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.169
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.187
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bizet: Carmen: Une femme! - Act Three
type: MusicRecording
duration: PT5M45S
duration ms: 345666
explicit: false
by artist: Georges Bizet
by artist: Shirley Verrett
by artist: John Dobson
by artist: Kiri Te Kanawa
by artist: Teresa Cahill
by artist: Anne Pashley
by artist: Francis Egerton
by artist: Covent Garden Chorus
by artist: Sir Georg Solti
in album: Carmen
  type: MusicAlbum
  date published: 2005-11-15
genre: classical
genre: opera
isrc code: US89R0695310
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:56:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1ed4a45e9deaa3df020f6ab873d59fdef2797257c29e32a5984ef0d51404a7b8
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/US89R0695310
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 0x1ed4a45e9deaa3df020f6ab873d59fdef2797257c29e32a5984ef0d51404a7b8. 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/US89R0695310.
  date published: 2026-07-08T03:20:19Z
audio: Bizet: Carmen: Une femme! - Act Three
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.256
  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: 0.272
  additional property: Energy
    type: PropertyValue
    value: 0.325
  additional property: Speechiness
    type: PropertyValue
    value: 0.082
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.597
  additional property: Liveness
    type: PropertyValue
    value: 0.683
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.094
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.373
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bizet: Carmen: Avez-vous quelque chose a repondre? - Act One
type: MusicRecording
duration: PT4M45S
duration ms: 285346
explicit: false
by artist: Georges Bizet
by artist: Richard van Allan
by artist: Shirley Verrett
by artist: Plácido Domingo
by artist: Sir Georg Solti
in album: Carmen
  type: MusicAlbum
  date published: 2005-11-15
genre: classical
genre: opera
isrc code: US89R0695291
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T08:55:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3f82883a429ede058bc437b23b1258e352a723061474ddc264021a593f0a372b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957075
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957075
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US89R0695291
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:50:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f82883a429ede058bc437b23b1258e352a723061474ddc264021a593f0a372b. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US89R0695291.
  date published: 2026-07-07T18:50:38Z
audio: Bizet: Carmen: Avez-vous quelque chose a repondre? - Act One
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.2
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.335
  additional property: Energy
    type: PropertyValue
    value: 0.207
  additional property: Speechiness
    type: PropertyValue
    value: 0.13
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.012
  additional property: Liveness
    type: PropertyValue
    value: 0.23
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.164
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.986
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bizet: Carmen: A deux cuartos! - - Act Four
type: MusicRecording
duration: PT6M44S
duration ms: 404866
explicit: false
by artist: Georges Bizet
by artist: Covent Garden Chorus
by artist: Richard van Allan
by artist: Teresa Cahill
by artist: Sir Georg Solti
in album: Carmen
  type: MusicAlbum
  date published: 2005-11-15
genre: classical
genre: opera
isrc code: US89R0695312
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T18:58:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf064033f839b0c0d17e7345e6e8aa114bcf2273fa72086777c2c390bd64073a0
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/US89R0695312
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
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Bizet: Carmen: Voici l'ordre; partez, et faites bonne garde - Act One
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Bizet: Carmen: C'est toi! - Act Four
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Romantic Era Classics
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track: Il Giustino, RV 717, Act I: Vedrò con mio diletto (Anastasio)
track: Rinaldo, HWV 7a, Act II: Lascia ch'io pianga (Almirena)
track: Don Giovanni, K. 527, Act II: Non mir dir (Donna Anna)
track: Tosca, Act III: E lucevan le stelle (Cavaradossi)
track: Il Xerse, Act I: Ombra mai fu (Xerse)
track: Il Barbiere di Siviglia, Act I: Largo al factotum
track: Carmen, WD 31, Act I: L'amour est un oiseau rebelle (Habanera) [Carmen]
track: Il trovatore, Act III: "Di quella pira l'orrendo foco" (Manrico, Ruiz, Chorus)
track: Tolomeo, re d'Egitto, HWV 25, Act III: Stille amare (Tolomeo)
track: Tosca, Act II: Vissi d'arte (Tosca)
track: Die Zauberflöte, K. 620, Act I: Der Vogelfänger bin ich ja (Papageno)
track: Gianni Schicchi: O mio babbino caro
track: Faust, CG 4, Act III: Les grands seigneurs ... Ah ! je ris de me voir si belle (Marguerite)
track: Turandot, SC 91, Act III: Nessun dorma (Arr. Jérôme Ducros)
track: Lakmé, Act I: Viens, Mallika (Lakmé, Mallika)
track: Roméo et Juliette, CG 9, Act I: Ah! Je veux vivre dans le rêve (Juliette)
track: Amadigi di Gaula, HWV 11, Act II: Pena tiranna
track: La Bohème, SC 67, Act I: Sì. Mi chiamano Mimì (Mimì, Rodolfo)
track: La Périchole: Act I: Vous a-t-on dit souvent [Piquillo, La Périchole]
track: Le Nozze di Figaro, K. 492, Act II: Voi che sapete (Cherubino)
track: Samson et Dalila, Op. 47, Act II: Mon coeur s'ouvre à ta voix (Dalila, Samson)

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OpenTimestamps Proof of Existence
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Turandot, SC 91, Act III: Nessun dorma! (Calaf, Chorus)
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Il Giustino, RV 717, Act I: Vedrò con mio diletto (Anastasio)
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  date published: 2026-07-08T03:20:19Z
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Rinaldo, HWV 7a, Act II: Lascia ch'io pianga (Almirena)
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subject of: OpenTimestamps Proof of Existence
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Don Giovanni, K. 527, Act II: Non mir dir (Donna Anna)
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Tosca, Act III: E lucevan le stelle (Cavaradossi)
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Il Xerse, Act I: Ombra mai fu (Xerse)
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Il Barbiere di Siviglia, Act I: Largo al factotum
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Carmen, WD 31, Act I: L'amour est un oiseau rebelle (Habanera) [Carmen]
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  date published: 2026-07-08T03:22:41Z
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Il trovatore, Act III: "Di quella pira l'orrendo foco" (Manrico, Ruiz, Chorus)
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  date published: 2026-07-08T03:53:27Z
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Tolomeo, re d'Egitto, HWV 25, Act III: Stille amare (Tolomeo)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Tolomeo, re d'Egitto, HWV 25, Act III: Stille amare (Tolomeo)
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Tosca, Act II: Vissi d'arte (Tosca)
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  date published: 2026-07-08T03:53:27Z
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Die Zauberflöte, K. 620, Act I: Der Vogelfänger bin ich ja (Papageno)
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  date published: 2026-07-08T03:20:19Z
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Gianni Schicchi: O mio babbino caro
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Faust, CG 4, Act III: Les grands seigneurs ... Ah ! je ris de me voir si belle (Marguerite)
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Turandot, SC 91, Act III: Nessun dorma (Arr. Jérôme Ducros)
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  date published: 2026-07-08T03:22:41Z
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Lakmé, Act I: Viens, Mallika (Lakmé, Mallika)
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Roméo et Juliette, CG 9, Act I: Ah! Je veux vivre dans le rêve (Juliette)
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Amadigi di Gaula, HWV 11, Act II: Pena tiranna
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La Bohème, SC 67, Act I: Sì. Mi chiamano Mimì (Mimì, Rodolfo)
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La Périchole: Act I: Vous a-t-on dit souvent [Piquillo, La Périchole]
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Le Nozze di Figaro, K. 492, Act II: Voi che sapete (Cherubino)
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subject of: OpenTimestamps Proof of Existence
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subject of: OpenTimestamps Proof of Existence
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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    date published: 2026-07-08T03:22:41Z
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track: Mozart: Die Zauberflöte, K. 620, Act 2: "O Isis und Osiris" (Sarastro, Chorus)
track: Rossini: Il barbiere di Siviglia, Act 2: Aria. "La calunnia è un venticello" (Basilio)
track: Verdi: Don Carlo, Act 2: "Nei giardin del bello saracin ostello" (Eboli, Tebaldo, Coro)
track: Verdi: Aïda, Act 1: "Se quel guerrier io fossi! ... Celeste Aida" (Radamès)
track: Verdi: La traviata, Act 3: "Teneste la promessa ... Addio del passato" (Violetta)
track: Verdi: Otello, Act 4: "Niun mi tema" (Otello)
track: Puccini: Madama Butterfly, Act 2: "Un bel dì vedremo" (Butterfly)
track: Puccini: Tosca, Act 3: "E lucevan le stelle" (Cavaradossi)
track: Puccini: Turandot, Act 1: "Signore, ascolta" (Liù)
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track: Delibes: Lakmé, Act 2: Air des clochettes. "Où va la jeune hindoue" (Lakmé)
track: Bizet: La jolie fille de Perth, WD 15, Act 2: "Quand la flamme de l'amour" (Ralph)

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

Mozart: Die Zauberflöte, K. 620, Act 2: "Der Hölle Rache kocht in meinem Herzen" (Königin)
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Rossini: Il barbiere di Siviglia, Act 2: Aria. "La calunnia è un venticello" (Basilio)
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x991bb1ca1e7b4b0795faac4c93ea1c3e671cf222a25a1ca4635aaa61c39eacad. 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/GBAYC9601618.
  date published: 2026-07-08T03:22:41Z
audio: Rossini: Il barbiere di Siviglia, Act 2: Aria. "La calunnia è un venticello" (Basilio)
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.872
  additional property: Key Name
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  additional property: Mode Name
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Verdi: Don Carlo, Act 2: "Nei giardin del bello saracin ostello" (Eboli, Tebaldo, Coro)
type: MusicRecording
duration: PT4M59S
duration ms: 299853
explicit: false
by artist: Giuseppe Verdi
by artist: Carlo Maria Giulini
by artist: Delia Wallis
by artist: Shirley Verrett
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Ambrosian Opera Chorus
in album: 100 Best Opera Classics
  type: MusicAlbum
  date published: 2019-04-12
genre: classical
genre: opera
isrc code: GBAYC0001344
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956351
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0001344
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x154f14ca81a9bccc9e6a16903669234493e44dc4d1a06381699287603c3e6369. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0001344.
  date published: 2026-07-02T11:38:34Z
audio: Verdi: Don Carlo, Act 2: "Nei giardin del bello saracin ostello" (Eboli, Tebaldo, Coro)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Verdi: Aïda, Act 1: "Se quel guerrier io fossi! ... Celeste Aida" (Radamès)
type: MusicRecording
duration: PT4M41S
duration ms: 281306
explicit: false
by artist: Giuseppe Verdi
by artist: Zubin Mehta
by artist: Franco Corelli
by artist: Orchestra Del Teatro Dell'Opera Di Roma
in album: 100 Best Opera Classics
  type: MusicAlbum
  date published: 2019-04-12
genre: classical
genre: opera
isrc code: GBAYC8905921
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8905921
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 0xeaeb5189f6c7362edab4b0d1c61b9b57d92c4cc1848917bba0cc26986f73e7f7. 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/GBAYC8905921.
  date published: 2026-07-06T06:56:49Z
audio: Verdi: Aïda, Act 1: "Se quel guerrier io fossi! ... Celeste Aida" (Radamès)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Verdi: La traviata, Act 3: "Teneste la promessa ... Addio del passato" (Violetta)
type: MusicRecording
duration: PT5M43S
duration ms: 343773
explicit: false
by artist: Giuseppe Verdi
by artist: Aldo Ceccato
by artist: Beverley Sills
by artist: Royal Philharmonic Orchestra
in album: 100 Best Opera Classics
  type: MusicAlbum
  date published: 2019-04-12
genre: classical
genre: opera
isrc code: GBAYC9502658
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9502658
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6d4ad23f9d6b1fc57a2f2ea11ba464ae7a85bc6b7cfc7b17ba4bbff67f39fc5. 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/GBAYC9502658.
  date published: 2026-07-08T03:53:27Z
audio: Verdi: La traviata, Act 3: "Teneste la promessa ... Addio del passato" (Violetta)
  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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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.206
  additional property: Energy
    type: PropertyValue
    value: 0.048
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  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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Verdi: Otello, Act 4: "Niun mi tema" (Otello)
type: MusicRecording
duration: PT5M18S
duration ms: 318333
explicit: false
by artist: Giuseppe Verdi
by artist: José Cura
by artist: Philharmonia Orchestra
in album: 100 Best Opera Classics
  type: MusicAlbum
  date published: 2019-04-12
genre: classical
genre: opera
isrc code: FRZ200001120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200001120
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 0xd34f38db489c27717cb35624be3111b50cea7ddc50b6cc7186b0998345243267. 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/FRZ200001120.
  date published: 2026-07-08T03:22:41Z
audio: Verdi: Otello, Act 4: "Niun mi tema" (Otello)
  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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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.227
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Puccini: Madama Butterfly, Act 2: "Un bel dì vedremo" (Butterfly)
type: MusicRecording
duration: PT4M44S
duration ms: 284253
explicit: false
by artist: Giacomo Puccini
by artist: Sir John Barbirolli
by artist: Renata Scotto
by artist: Orchestra Del Teatro Dell'Opera Di Roma
in album: 100 Best Opera Classics
  type: MusicAlbum
  date published: 2019-04-12
isrc code: GBAYC0201550
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x5dac9bfaea215d14a084909a3760978c23f42a8f546e175e75273e7a72906c04
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0201550
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 0x5dac9bfaea215d14a084909a3760978c23f42a8f546e175e75273e7a72906c04. 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/GBAYC0201550.
  date published: 2026-07-08T03:22:41Z
audio: Puccini: Madama Butterfly, Act 2: "Un bel dì vedremo" (Butterfly)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Puccini: Tosca, Act 3: "E lucevan le stelle" (Cavaradossi)
type: MusicRecording
duration: PT2M53S
duration ms: 173266
explicit: false
by artist: Giacomo Puccini
by artist: James Levine
by artist: Plácido Domingo
by artist: Philharmonia Orchestra
in album: 100 Best Opera Classics
  type: MusicAlbum
  date published: 2019-04-12
isrc code: GBAYC1900099
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:51:00+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb10718233fc2f3ce060bfde8b4d92e2d7b9de667c73ff0b0c2b5b831c980a0e7. 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/GBAYC1900099.
  date published: 2026-07-08T03:20:19Z
audio: Puccini: Tosca, Act 3: "E lucevan le stelle" (Cavaradossi)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Mode Name
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Puccini: Turandot, Act 1: "Signore, ascolta" (Liù)
type: MusicRecording
duration: PT2M37S
duration ms: 157320
explicit: false
by artist: Giacomo Puccini
by artist: Kiri Te Kanawa
by artist: London Symphony Orchestra
by artist: Myung-Whun Chung
in album: 100 Best Opera Classics
  type: MusicAlbum
  date published: 2019-04-12
isrc code: GBAYC8900427
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xdd97f9ee12622cd6fca26ab46a9ae40850bf68ab866b0806802215b67864bb8d
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Puccini: Turandot, Act 1: "Signore, ascolta" (Liù)
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Leoncavallo: Pagliacci, Act 1: "Recitar! ... Vesti la giubba" (Canio)
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duration: PT3M56S
duration ms: 236186
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by artist: Ruggero Leoncavallo
by artist: Riccardo Muti
by artist: José Carreras
by artist: Philharmonia Orchestra
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genre: italian-opera
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Leoncavallo: Pagliacci, Act 1: "Recitar! ... Vesti la giubba" (Canio)
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Giordano: Fedora, Act 2: "Amor ti vieta di non amar" (Loris)
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by artist: Nello Santi
by artist: Orchestra of the Deutsche Oper Berlin
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Giordano: Fedora, Act 2: "Amor ti vieta di non amar" (Loris)
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Delibes: Lakmé, Act 2: Air des clochettes. "Où va la jeune hindoue" (Lakmé)
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by artist: Mady Mesplé
by artist: Orchestre du Theatre National de IOpera-Comique
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genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x687f0134f35a31bd8b8cdf99a9a85845c0bb1cb80c3befe42d37157638e4e7f7. 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/FRZ110200072.
  date published: 2026-07-08T08:56:20Z
audio: Delibes: Lakmé, Act 2: Air des clochettes. "Où va la jeune hindoue" (Lakmé)
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Bizet: La jolie fille de Perth, WD 15, Act 2: "Quand la flamme de l'amour" (Ralph)
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duration: PT4M57S
duration ms: 297906
explicit: false
by artist: Georges Bizet
by artist: Georges Prêtre
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by artist: Orchestre Philharmonique de Radio France
by artist: Nouvel Orchestre Philharmonique de Radio France
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genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Bizet: La jolie fille de Perth, WD 15, Act 2: "Quand la flamme de l'amour" (Ralph)
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