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track: La traviata, Act I: Libiamo ne' lieti calici (Alfredo, Violetta)
track: Verdi: La traviata, Act 2: "Alfredo! Voi! (Flora, Alfredo, Gastone, Dottore, Marchese, Chorus, Violetta, Barone)
track: Verdi: La traviata, Act 3: "Annina?... Comandate?" (Violetta, Annina, Dottore)
track: Verdi: La traviata, Act 2: "Di sprezzo degno sé stesso rende" (Germont , Alfredo, Barone, Others, Except Violetta)
track: Verdi: La traviata, Act 2: "Di Madride noi siam mattadori" (Gastone, Matadors, All Others)
track: Verdi: La traviata, Act 2: "Avrem lieta di maschere" (Flora, Marchese, Dottore)
track: Verdi: La traviata, Act 2: "Alfredo, Alfredo, di questo core" (Violetta, All Others)

La traviata, Act I: Libiamo ne' lieti calici (Alfredo, Violetta)
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by artist: Giuseppe Verdi
by artist: Philharmonia Orchestra
by artist: Riccardo Muti
by artist: Alfredo Kraus
by artist: Ambrosian Opera Chorus
by artist: Henry Newman
by artist: Renata Scotto
by artist: Richard van Allan
by artist: Roderick Kennedy
by artist: Sarah Walker
in album: Classical Music for Cooking
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  date published: 2021-03-26
popularity: 21
genre: classical
genre: opera
isrc code: GBAYC8000072
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  date published: 2026-06-13T15:41:10Z
audio: La traviata, Act I: Libiamo ne' lieti calici (Alfredo, Violetta)
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Verdi: La traviata, Act 2: "Alfredo! Voi! (Flora, Alfredo, Gastone, Dottore, Marchese, Chorus, Violetta, Barone)
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by artist: Giuseppe Verdi
by artist: Philharmonia Orchestra
by artist: Riccardo Muti
by artist: Alfredo Kraus
by artist: Ambrosian Opera Chorus
by artist: Henry Newman
by artist: Renata Scotto
by artist: Richard van Allan
by artist: Roderick Kennedy
by artist: Sarah Walker
by artist: Suso Mariategui
in album: Verdi: La traviata
  type: MusicAlbum
  date published: 1982
popularity: 2
genre: classical
genre: opera
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  date published: 2026-07-08T08:56:20Z
audio: Verdi: La traviata, Act 2: "Alfredo! Voi! (Flora, Alfredo, Gastone, Dottore, Marchese, Chorus, Violetta, Barone)
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Verdi: La traviata, Act 3: "Annina?... Comandate?" (Violetta, Annina, Dottore)
type: MusicRecording
duration: PT4M44S
duration ms: 284200
explicit: false
by artist: Giuseppe Verdi
by artist: Philharmonia Orchestra
by artist: Riccardo Muti
by artist: Cynthia Buchan
by artist: Renata Scotto
by artist: Roderick Kennedy
in album: Verdi: La traviata
  type: MusicAlbum
  date published: 1982
popularity: 2
genre: classical
genre: opera
isrc code: GBAYC8000118
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  date published: 2026-07-08T08:56:20Z
audio: Verdi: La traviata, Act 3: "Annina?... Comandate?" (Violetta, Annina, Dottore)
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Verdi: La traviata, Act 2: "Di sprezzo degno sé stesso rende" (Germont , Alfredo, Barone, Others, Except Violetta)
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by artist: Philharmonia Orchestra
by artist: Riccardo Muti
by artist: Alfredo Kraus
by artist: Ambrosian Opera Chorus
by artist: Christopher Keyte
by artist: Cynthia Buchan
by artist: Henry Newman
by artist: Max-René Cosotti
by artist: Renato Bruson
by artist: Richard van Allan
by artist: Roderick Kennedy
by artist: Sarah Walker
by artist: Suso Mariategui
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popularity: 1
genre: classical
genre: opera
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  date published: 2026-07-08T03:39:04Z
audio: Verdi: La traviata, Act 2: "Di sprezzo degno sé stesso rende" (Germont , Alfredo, Barone, Others, Except Violetta)
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by artist: Cynthia Buchan
by artist: Henry Newman
by artist: Max-René Cosotti
by artist: Renata Scotto
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by artist: Roderick Kennedy
by artist: Sarah Walker
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  date published: 2026-07-31T08:26:41Z
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Verdi: La traviata, Act 2: "Avrem lieta di maschere" (Flora, Marchese, Dottore)
type: MusicRecording
duration: PT1M9S
duration ms: 69893
explicit: false
by artist: Giuseppe Verdi
by artist: Philharmonia Orchestra
by artist: Riccardo Muti
by artist: Richard van Allan
by artist: Roderick Kennedy
by artist: Sarah Walker
in album: Verdi: La traviata
  type: MusicAlbum
  date published: 1982
popularity: 2
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 0x18030f46d3b7a3aa86a9e928cb421aa1ee2d0a572aa0730f39e9842c4c711bb2. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/GBAYC8000107.
  date published: 2026-07-31T18:48:12Z
audio: Verdi: La traviata, Act 2: "Avrem lieta di maschere" (Flora, Marchese, Dottore)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.435
  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: 0.485
  additional property: Energy
    type: PropertyValue
    value: 0.113
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.895
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.045
  additional property: Liveness
    type: PropertyValue
    value: 0.609
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.496
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.385
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBAYC8000107
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960448
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T18:48:12+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000107
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960448
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960448
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Verdi: La traviata, Act 2: "Alfredo, Alfredo, di questo core" (Violetta, All Others)
type: MusicRecording
duration: PT4M11S
duration ms: 251226
explicit: false
by artist: Giuseppe Verdi
by artist: Philharmonia Orchestra
by artist: Riccardo Muti
by artist: Alfredo Kraus
by artist: Ambrosian Opera Chorus
by artist: Christopher Keyte
by artist: Cynthia Buchan
by artist: Henry Newman
by artist: Max-René Cosotti
by artist: Renata Scotto
by artist: Renato Bruson
by artist: Richard van Allan
by artist: Roderick Kennedy
by artist: Sarah Walker
by artist: Suso Mariategui
in album: Verdi: La traviata
  type: MusicAlbum
  date published: 1982
popularity: 2
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 0x6ffdd4b9ea1a42eb316b0541618b3dc452771dfb4ef854ff16d8face8da3e913. 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/GBAYC8000114.
  date published: 2026-07-31T00:26:26Z
audio: Verdi: La traviata, Act 2: "Alfredo, Alfredo, di questo core" (Violetta, All Others)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.78
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.226
  additional property: Energy
    type: PropertyValue
    value: 0.171
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.009
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.063
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.254
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBAYC8000114
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960327
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T00:26:26+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000114
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch