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genre: opera
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track: Rigoletto / Act 1: Ch'io gli parli (Monterone, Duca, Borsa, Rigoletto, Marullo, Ceprano, Coro)
track: Rigoletto / Act 2: Scena con coro: "Duca,duca!"/"Ebben?" (Tutti, Duca)
track: Rigoletto / Act 2: Scena e Duetto: "Mio padre!" / "Dio! Mia Gilda!" (Gilda, Rigoletto, Borsa, Marullo, Ceprano, Coro)
track: Rigoletto / Act 1: "Questa o quella" - "Partite? ... Crudele" - "In testa che avete, Signor di Ceprano?" - "Gran nuova! Gran nuova!" - "Ah, più di Ceprano"
track: Rigoletto / Act 1: Zitti, zitti, muoviamo a vendetta (Borsa, Marullo, Ceprano, Gilda, Rigoletto, Coro)
track: Rigoletto / Act 2: Possente amor mi chiama (Duca, Borsa, Marullo, Ceprano, Coro)
track: Rigoletto / Act 2: Scena ed Coro: "Povero Rigoletto!" (Marullo, Rigoletto, Borsa, Ceprano, Paggio, Coro)
track: Il trovatore, Act I: All'erta! all'erta! - Live at Großes Festspielhaus, Salzburg, 1962

Rigoletto / Act 1: Ch'io gli parli (Monterone, Duca, Borsa, Rigoletto, Marullo, Ceprano, Coro)
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duration: PT4M37S
duration ms: 277000
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by artist: Giuseppe Verdi
by artist: Lorenzo Testi
by artist: Dietrich Fischer-Dieskau
by artist: Carlo Bergonzi
by artist: Piero de Palma
by artist: Virgilio Carbonari
by artist: Alfredo Giacomotti
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Rafael Kubelík
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Roberto Benaglio
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 2005-01-01
genre: classical
genre: opera
isrc code: DEF056431024
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additional property: CopyrightStatus
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Rigoletto / Act 1: Ch'io gli parli (Monterone, Duca, Borsa, Rigoletto, Marullo, Ceprano, Coro)
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Rigoletto / Act 2: Scena con coro: "Duca,duca!"/"Ebben?" (Tutti, Duca)
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duration: PT2M18S
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by artist: Giuseppe Verdi
by artist: Carlo Bergonzi
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Rafael Kubelík
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Roberto Benaglio
in album: Verdi: Rigoletto
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  date published: 2005-01-01
genre: classical
genre: opera
isrc code: DEF056431042
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:22:41Z
audio: Rigoletto / Act 2: Scena con coro: "Duca,duca!"/"Ebben?" (Tutti, Duca)
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Rigoletto / Act 2: Scena e Duetto: "Mio padre!" / "Dio! Mia Gilda!" (Gilda, Rigoletto, Borsa, Marullo, Ceprano, Coro)
type: MusicRecording
duration: PT1M55S
duration ms: 115000
explicit: false
by artist: Giuseppe Verdi
by artist: Renata Scotto
by artist: Piero de Palma
by artist: Dietrich Fischer-Dieskau
by artist: Virgilio Carbonari
by artist: Alfredo Giacomotti
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Rafael Kubelík
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Roberto Benaglio
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 2005-01-01
genre: classical
genre: opera
isrc code: DEF056431006
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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: Rigoletto / Act 2: Scena e Duetto: "Mio padre!" / "Dio! Mia Gilda!" (Gilda, Rigoletto, Borsa, Marullo, Ceprano, Coro)
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Rigoletto / Act 1: "Questa o quella" - "Partite? ... Crudele" - "In testa che avete, Signor di Ceprano?" - "Gran nuova! Gran nuova!" - "Ah, più di Ceprano"
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by artist: Carlo Bergonzi
by artist: Piero de Palma
by artist: Caterina Alda
by artist: Dietrich Fischer-Dieskau
by artist: Virgilio Carbonari
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Rafael Kubelík
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Roberto Benaglio
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 2005-01-01
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T21:09:47Z
audio: Rigoletto / Act 1: "Questa o quella" - "Partite? ... Crudele" - "In testa che avete, Signor di Ceprano?" - "Gran nuova! Gran nuova!" - "Ah, più di Ceprano"
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Rigoletto / Act 1: Zitti, zitti, muoviamo a vendetta (Borsa, Marullo, Ceprano, Gilda, Rigoletto, Coro)
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by artist: Renata Scotto
by artist: Piero de Palma
by artist: Dietrich Fischer-Dieskau
by artist: Virgilio Carbonari
by artist: Alfredo Giacomotti
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Rafael Kubelík
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Roberto Benaglio
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 2005-01-01
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcb7cd5b9d95ffd5eb895320a60d97c06875fc6e236a8c913e6d361c9da941b6. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056431040.
  date published: 2026-07-31T00:26:26Z
audio: Rigoletto / Act 1: Zitti, zitti, muoviamo a vendetta (Borsa, Marullo, Ceprano, Gilda, Rigoletto, Coro)
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Rigoletto / Act 2: Possente amor mi chiama (Duca, Borsa, Marullo, Ceprano, Coro)
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duration: PT3M5S
duration ms: 185973
explicit: false
by artist: Giuseppe Verdi
by artist: Carlo Bergonzi
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Rafael Kubelík
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Roberto Benaglio
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 2005-01-01
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e4f3f55136005be7b0e5c7248816b11339bd5b10bd8baf4c0dd2fdef9bd3418. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/DEF056431043.
  date published: 2026-07-30T18:23:33Z
audio: Rigoletto / Act 2: Possente amor mi chiama (Duca, Borsa, Marullo, Ceprano, Coro)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Rigoletto / Act 2: Scena ed Coro: "Povero Rigoletto!" (Marullo, Rigoletto, Borsa, Ceprano, Paggio, Coro)
type: MusicRecording
duration: PT3M50S
duration ms: 230666
explicit: false
by artist: Giuseppe Verdi
by artist: Virgilio Carbonari
by artist: Dietrich Fischer-Dieskau
by artist: Caterina Alda
by artist: Alfredo Giacomotti
by artist: Piero de Palma
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Rafael Kubelík
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Roberto Benaglio
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 2005-01-01
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc65d9275a18ef8845528f9831516e03d083b5e9423535e929415a152d4b69b49. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/DEF056431020.
  date published: 2026-07-30T15:42:38Z
audio: Rigoletto / Act 2: Scena ed Coro: "Povero Rigoletto!" (Marullo, Rigoletto, Borsa, Ceprano, Paggio, Coro)
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    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.47
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    type: PropertyValue
    value: 0.105
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    type: PropertyValue
    value: 0.076
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
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    value: 0
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    type: PropertyValue
    value: 0.282
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    type: PropertyValue
    value: 0.246
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.088
  additional property: Key Name
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    value: E
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    value: Minor
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additional property: CopyrightID
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Il trovatore, Act I: All'erta! all'erta! - Live at Großes Festspielhaus, Salzburg, 1962
type: MusicRecording
duration: PT2M43S
duration ms: 163866
explicit: false
by artist: Giuseppe Verdi
by artist: Nicola Zaccaria
by artist: Wiener Philharmoniker
by artist: Herbert von Karajan
by artist: Wiener Staatsopernchor
by artist: Kammerchor der Salzburger Festspiele
by artist: Roberto Benaglio
in album: Karajan A-Z: Verdi - Vivaldi
  type: MusicAlbum
  date published: 2024-04-26
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d9b1607ae91c3ce4f36e640c7c6a23711fda58960cecb89a09f720cd810c47a. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/DEF056231501.
  date published: 2026-07-31T13:04:34Z
audio: Il trovatore, Act I: All'erta! all'erta! - Live at Großes Festspielhaus, Salzburg, 1962
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 150.716
  additional property: Musical Key
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    value: 4
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    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.283
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    value: 0.051
  additional property: Acousticness
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    value: 0
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    type: PropertyValue
    value: 0.423
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    value: 0.144
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    value: -27.78
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additional property: OTSVerificationAPI
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch