Orquestra Sinfónica do Teatro Nacional de São Carlos Lisboa
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genre: taiwanese pop
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track: La traviata: Act II: Amami, Alfredo! (Violetta, Alfredo)
track: La traviata: Act I: Libiamo ne' lieti calici (Alfredo, Violetta, Chorus)
track: La traviata: Act I: Un di, felice, eterea (Alfredo, Violetta)
track: La traviata: Act I: Ah, fors' e lui (Violetta)
track: La traviata: Act I: Si ridesta in ciel l'aurora (All)
track: La traviata: Act II: Lunge da lei per me non v'ha diletto! (Alfredo)
track: La traviata: Act II: Alfredo? … Per Parigi or partiva (Violetta, Annina)
track: La traviata: Act II: Madamigella Valery? (Germont, Violetta)
track: La traviata: Act I: Follie! … follie … Sempre libera degg'io (Violetta)
track: La traviata: Introduction
track: La traviata: Act I: Dell'invito trascorsa e gia (All)
track: La traviata: Act III: Addio, del passato bei sogni ridenti (Violetta, Chorus)
track: La traviata: Act I: Che e cio? (Chorus, Violetta, Alfredo)
track: La traviata: Act I: Ebben? … che diavol fate? (Gastone, Violetta, Alfredo, Chorus)
track: La traviata: Act I: E' strano! … E' strano! (Violetta)
track: La traviata: Act II: De' miei bollenti spiriti (Alfredo)
track: La traviata: Act II: Pura siccome un angelo (Germont, Violetta)
track: La traviata: Act II: Non sapete quale affetto (Violetta, Germont)
track: La traviata: Act II: Un di, quando le veneri (Germont, Violetta)
track: La traviata: Act II: Dite alla giovine (Violetta, Germont)

La traviata: Act II: Amami, Alfredo! (Violetta, Alfredo)
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by artist: Franco Ghione
in album: Verdi: La traviata
  type: MusicAlbum
  date published: 2014-10-07
popularity: 26
genre: classical
genre: opera
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  date published: 2026-07-02T05:09:12Z
audio: La traviata: Act II: Amami, Alfredo! (Violetta, Alfredo)
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La traviata: Act I: Libiamo ne' lieti calici (Alfredo, Violetta, Chorus)
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by artist: Franco Ghione
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  type: MusicAlbum
  date published: 2014-10-07
popularity: 16
genre: classical
genre: opera
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  date published: 2026-06-13T13:32:09Z
audio: La traviata: Act I: Libiamo ne' lieti calici (Alfredo, Violetta, Chorus)
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La traviata: Act I: Un di, felice, eterea (Alfredo, Violetta)
type: MusicRecording
duration: PT4M17S
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by artist: Giuseppe Verdi
by artist: Alfredo Kraus
by artist: Orquestra Sinfónica do Teatro Nacional de São Carlos Lisboa
by artist: Maria Callas
by artist: Franco Ghione
in album: Verdi: La traviata
  type: MusicAlbum
  date published: 2014-10-07
popularity: 3
genre: classical
genre: opera
isrc code: USB8U1085584
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  date published: 2026-07-14T18:24:07Z
audio: La traviata: Act I: Un di, felice, eterea (Alfredo, Violetta)
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La traviata: Act I: Ah, fors' e lui (Violetta)
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duration: PT3M5S
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by artist: Franco Ghione
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  type: MusicAlbum
  date published: 2014-10-07
popularity: 3
genre: classical
genre: opera
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  date published: 2026-07-08T03:22:41Z
audio: La traviata: Act I: Ah, fors' e lui (Violetta)
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La traviata: Act I: Si ridesta in ciel l'aurora (All)
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popularity: 2
genre: classical
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    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.352
  additional property: Energy
    type: PropertyValue
    value: 0.432
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.899
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.181
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.338
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.598
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

La traviata: Act II: Lunge da lei per me non v'ha diletto! (Alfredo)
type: MusicRecording
duration: PT1M57S
duration ms: 117213
explicit: false
by artist: Giuseppe Verdi
by artist: Orquestra Sinfónica do Teatro Nacional de São Carlos Lisboa
by artist: Alfredo Kraus
by artist: Franco Ghione
in album: Verdi: La traviata
  type: MusicAlbum
  date published: 2014-10-07
popularity: 2
genre: classical
genre: opera
isrc code: USB8U1085590
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:53:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4ef97496500c391579118b6d1a2c3802a4cd639ce42ce49fdc7f82376ddacfbf
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/USB8U1085590
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ef97496500c391579118b6d1a2c3802a4cd639ce42ce49fdc7f82376ddacfbf. 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/USB8U1085590.
  date published: 2026-07-08T03:53:27Z
audio: La traviata: Act II: Lunge da lei per me non v'ha diletto! (Alfredo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.198
  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: 0.348
  additional property: Energy
    type: PropertyValue
    value: 0.235
  additional property: Speechiness
    type: PropertyValue
    value: 0.064
  additional property: Acousticness
    type: PropertyValue
    value: 0.932
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.186
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.549
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.537
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

La traviata: Act II: Alfredo? … Per Parigi or partiva (Violetta, Annina)
type: MusicRecording
duration: PT0M52S
duration ms: 52693
explicit: false
by artist: Giuseppe Verdi
by artist: Maria Callas
by artist: Orquestra Sinfónica do Teatro Nacional de São Carlos Lisboa
by artist: Maria Cristina de Castro
by artist: Franco Ghione
in album: Verdi: La traviata
  type: MusicAlbum
  date published: 2014-10-07
popularity: 2
genre: classical
genre: opera
isrc code: USB8U1085593
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:33:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9ac8c05609d72f845c2b67634259417226b0dc2091d1be98c6bea9651af396e9
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/USB8U1085593
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ac8c05609d72f845c2b67634259417226b0dc2091d1be98c6bea9651af396e9. 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/USB8U1085593.
  date published: 2026-07-08T03:20:19Z
audio: La traviata: Act II: Alfredo? … Per Parigi or partiva (Violetta, Annina)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.544
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.518
  additional property: Energy
    type: PropertyValue
    value: 0.063
  additional property: Speechiness
    type: PropertyValue
    value: 0.418
  additional property: Acousticness
    type: PropertyValue
    value: 0.882
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.61
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.336
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.78
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

La traviata: Act II: Madamigella Valery? (Germont, Violetta)
type: MusicRecording
duration: PT3M7S
duration ms: 187506
explicit: false
by artist: Giuseppe Verdi
by artist: Orquestra Sinfónica do Teatro Nacional de São Carlos Lisboa
by artist: Alfredo Kraus
by artist: Maria Callas
by artist: Franco Ghione
in album: Verdi: La traviata
  type: MusicAlbum
  date published: 2014-10-07
popularity: 2
genre: classical
genre: opera
isrc code: USB8U1085594
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:54:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2f519c3ecac6e386ad9c4e9b17d27a777eacd0fe8bbdfb8f1c2a0465186c76f2
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/USB8U1085594
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f519c3ecac6e386ad9c4e9b17d27a777eacd0fe8bbdfb8f1c2a0465186c76f2. 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/USB8U1085594.
  date published: 2026-07-08T03:20:19Z
audio: La traviata: Act II: Madamigella Valery? (Germont, Violetta)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.043
  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: 0.337
  additional property: Energy
    type: PropertyValue
    value: 0.092
  additional property: Speechiness
    type: PropertyValue
    value: 0.132
  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.2
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.125
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.551
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

La traviata: Act I: Follie! … follie … Sempre libera degg'io (Violetta)
type: MusicRecording
duration: PT6M0S
duration ms: 360280
explicit: false
by artist: Giuseppe Verdi
by artist: Orquestra Sinfónica do Teatro Nacional de São Carlos Lisboa
by artist: Maria Callas
by artist: Franco Ghione
in album: Verdi: La traviata
  type: MusicAlbum
  date published: 2014-10-07
popularity: 4
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 0x6144f327997a3221e5368a4f04f3cba7fe6346472c0bae18d5e414072c4a6648. Chain 2 (Bitcoin): anchored in block 960113 (2026-07-29T13:38:16Z), 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/USB8U1085589.
  date published: 2026-07-29T13:38:16Z
audio: La traviata: Act I: Follie! … follie … Sempre libera degg'io (Violetta)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.42
  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: 0.291
  additional property: Energy
    type: PropertyValue
    value: 0.325
  additional property: Speechiness
    type: PropertyValue
    value: 0.287
  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.846
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.407
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.923
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USB8U1085589
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: 960113
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T13:38:16+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1085589
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960113
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960113
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T13:38:16+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La traviata: Introduction
type: MusicRecording
duration: PT4M23S
duration ms: 263640
explicit: false
by artist: Giuseppe Verdi
by artist: Orquestra Sinfónica do Teatro Nacional de São Carlos Lisboa
by artist: Franco Ghione
in album: Verdi: La traviata
  type: MusicAlbum
  date published: 2014-10-07
popularity: 3
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 0xbacd69cb8f80e6198e917ded9644a5e185d665e5bef71a0b17480e62eb2b769e. Chain 2 (Bitcoin): anchored in block 960170 (2026-07-29T23:52:38Z), 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/USB8U1085580.
  date published: 2026-07-29T23:52:38Z
audio: La traviata: Introduction
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.635
  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: 0.209
  additional property: Energy
    type: PropertyValue
    value: 0.152
  additional property: Speechiness
    type: PropertyValue
    value: 0.098
  additional property: Acousticness
    type: PropertyValue
    value: 0.814
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.675
  additional property: Liveness
    type: PropertyValue
    value: 0.875
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.243
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.996
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USB8U1085580
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: 960170
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T23:52:38+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1085580
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960170
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960170
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T23:52:38+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La traviata: Act I: Dell'invito trascorsa e gia (All)
type: MusicRecording
duration: PT5M24S
duration ms: 324546
explicit: false
by artist: Giuseppe Verdi
by artist: Orquestra Sinfónica do Teatro Nacional de São Carlos Lisboa
by artist: Maria Callas
by artist: Coro do Teatro Nacional de São Carlos Lisboa
by artist: Laura Zanini
by artist: Maria Cristina de Castro
by artist: Alfredo Kraus
by artist: Mario Sereni
by artist: Piero de Palma
by artist: Alvaro Malta
by artist: Vito Susca
by artist: Alessandro Maddalena
by artist: Manuel Leitao
by artist: Franco Ghione
in album: Verdi: La traviata
  type: MusicAlbum
  date published: 2014-10-07
popularity: 3
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 0xe05c1cd255cd803b699d9dc0a873375ae95ff6ed4bef2c6af67cf35be1f37404. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1085581.
  date published: 2026-07-29T19:35:34Z
audio: La traviata: Act I: Dell'invito trascorsa e gia (All)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 153.627
  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: 0.386
  additional property: Energy
    type: PropertyValue
    value: 0.343
  additional property: Speechiness
    type: PropertyValue
    value: 0.237
  additional property: Acousticness
    type: PropertyValue
    value: 0.911
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.136
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.279
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.497
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USB8U1085581
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: 960138
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1085581
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La traviata: Act III: Addio, del passato bei sogni ridenti (Violetta, Chorus)
type: MusicRecording
duration: PT4M14S
duration ms: 254040
explicit: false
by artist: Giuseppe Verdi
by artist: Orquestra Sinfónica do Teatro Nacional de São Carlos Lisboa
by artist: Maria Callas
by artist: Coro do Teatro Nacional de São Carlos Lisboa
by artist: Franco Ghione
in album: Verdi: La traviata
  type: MusicAlbum
  date published: 2014-10-07
popularity: 3
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T05:43:45Z
audio: La traviata: Act III: Addio, del passato bei sogni ridenti (Violetta, Chorus)
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La traviata: Act I: Che e cio? (Chorus, Violetta, Alfredo)
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by artist: Alfredo Kraus
by artist: Franco Ghione
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  date published: 2014-10-07
popularity: 2
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T21:09:47Z
audio: La traviata: Act I: Che e cio? (Chorus, Violetta, Alfredo)
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La traviata: Act I: Ebben? … che diavol fate? (Gastone, Violetta, Alfredo, Chorus)
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by artist: Maria Callas
by artist: Alfredo Kraus
by artist: Franco Ghione
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popularity: 2
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T02:21:55Z
audio: La traviata: Act I: Ebben? … che diavol fate? (Gastone, Violetta, Alfredo, Chorus)
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La traviata: Act I: E' strano! … E' strano! (Violetta)
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by artist: Maria Callas
by artist: Franco Ghione
in album: Verdi: La traviata
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  date published: 2014-10-07
popularity: 2
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T07:28:30Z
audio: La traviata: Act I: E' strano! … E' strano! (Violetta)
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La traviata: Act II: De' miei bollenti spiriti (Alfredo)
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by artist: Franco Ghione
in album: Verdi: La traviata
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  date published: 2014-10-07
popularity: 2
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:44:50Z
audio: La traviata: Act II: De' miei bollenti spiriti (Alfredo)
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La traviata: Act II: Pura siccome un angelo (Germont, Violetta)
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by artist: Maria Callas
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popularity: 2
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:36:16Z
audio: La traviata: Act II: Pura siccome un angelo (Germont, Violetta)
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La traviata: Act II: Non sapete quale affetto (Violetta, Germont)
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by artist: Alfredo Kraus
by artist: Franco Ghione
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popularity: 2
genre: classical
genre: opera
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  date published: 2026-07-30T18:23:33Z
audio: La traviata: Act II: Non sapete quale affetto (Violetta, Germont)
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1085596
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 960291
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960291
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T18:23:33+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La traviata: Act II: Un di, quando le veneri (Germont, Violetta)
type: MusicRecording
duration: PT2M56S
duration ms: 176626
explicit: false
by artist: Giuseppe Verdi
by artist: Alfredo Kraus
by artist: Orquestra Sinfónica do Teatro Nacional de São Carlos Lisboa
by artist: Maria Callas
by artist: Franco Ghione
in album: Verdi: La traviata
  type: MusicAlbum
  date published: 2014-10-07
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 0x66be7e2c30648cad135df18bf97abc28fc57d969a3bfcd2b7da99fe02dd3c0a1. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1085597.
  date published: 2026-07-30T08:30:10Z
audio: La traviata: Act II: Un di, quando le veneri (Germont, Violetta)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.811
  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: 0.355
  additional property: Energy
    type: PropertyValue
    value: 0.181
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.204
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.235
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.254
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USB8U1085597
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960229
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T08:30:10+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1085597
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960229
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960229
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T08:30:10+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La traviata: Act II: Dite alla giovine (Violetta, Germont)
type: MusicRecording
duration: PT4M38S
duration ms: 278093
explicit: false
by artist: Giuseppe Verdi
by artist: Maria Callas
by artist: Orquestra Sinfónica do Teatro Nacional de São Carlos Lisboa
by artist: Alfredo Kraus
by artist: Franco Ghione
in album: Verdi: La traviata
  type: MusicAlbum
  date published: 2014-10-07
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 0x02ba171937dc96fc4e52927126784f60c1e95ac894d329adbd7817d748f67c24. 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/USB8U1085598.
  date published: 2026-07-30T15:42:38Z
audio: La traviata: Act II: Dite alla giovine (Violetta, Germont)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.728
  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: 0.237
  additional property: Energy
    type: PropertyValue
    value: 0.17
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.065
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.855
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USB8U1085598
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: 960273
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T15:42:38+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1085598
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960273
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960273
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T15:42:38+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