Giorgio Tozzi
type: MusicGroup
genre: opera
description: Giorgio Tozzi (January 8, 1923 – May 30, 2011) was an American operatic bass. He was associated with the Metropolitan Opera for many years and sang principal bass roles in nearly every major opera ho
popularity: 19
followers: 498
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album: Verdi: Simon Boccanegra
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  date published: 2015-03-01
album: Beethoven: Fidelio (Live Recording 1960)
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album: Puccini: Turandot
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  date published: 1959
  track: Turandot: Act I, Popolo di Pekino!
  track: Turandot: Act II, In questa reggia
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    by artist: Giacomo Puccini
    by artist: Erich Leinsdorf
    by artist: Birgit Nilsson
    by artist: Jussi Björling
    by artist: Rome Opera Orchestra
    by artist: Rome Opera Chorus
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      type: MusicAlbum
      date published: 1959
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      date published: 2026-07-08T03:53:27Z
    audio: Turandot: Act II, In questa reggia
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  track: Turandot: Act I, Perchè tarda la luna?
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      date published: 1959
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      date published: 2026-07-08T08:56:20Z
    audio: Turandot: Act I, Perchè tarda la luna?
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  track: Turandot: Act I, Signore, ascolta!
  track: Turandot: Act II, Olà, Pang! Olà, Pong!
  track: Turandot: Act III, Chi pose tanta forza
  track: Turandot: Act III, Tu che di gel sei cinta
  track: Turandot: Act I, Figlio, che fai?
  track: Turandot: Act I, Non piangere, Liù!
  track: Turandot: Act I, Ah! Per l'ultima volta!
  track: Turandot: Act III, Principessa divina!
  track: Turandot: Act III, Ah! Tu sei morta
album: Mozart: Le nozze di Figaro, K. 492 (Live)
album: Verdi: Rigoletto (Highlights)
album: Mussorgsky: Boris Godunov (Sung in English) [Live Recording 1956]
album: Wagner: Der Fliegende Holländer
track: Some Enchanted Evening (From "South Pacific")
track: Twin Soliloquies / Some Enchanted Evening

Turandot: Act I, Popolo di Pekino!
type: MusicRecording
duration: PT5M30S
duration ms: 330200
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by artist: Giacomo Puccini
by artist: Erich Leinsdorf
by artist: Leonardo Monreale
by artist: Renata Tebaldi
by artist: Jussi Björling
by artist: Giorgio Tozzi
by artist: Rome Opera Orchestra
by artist: Rome Opera Chorus
in album: Puccini: Turandot
  type: MusicAlbum
  date published: 1959
popularity: 1
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  date published: 2026-07-08T08:56:20Z
audio: Turandot: Act I, Popolo di Pekino!
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Turandot: Act I, Figlio, che fai?
type: MusicRecording
duration: PT1M39S
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explicit: false
by artist: Giacomo Puccini
by artist: Erich Leinsdorf
by artist: Giorgio Tozzi
by artist: Jussi Björling
by artist: Renata Tebaldi
by artist: Rome Opera Orchestra
by artist: Rome Opera Chorus
in album: Puccini: Turandot
  type: MusicAlbum
  date published: 1959
popularity: 0
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T17:29:52Z
audio: Turandot: Act I, Figlio, che fai?
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Turandot: Act I, Non piangere, Liù!
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by artist: Giorgio Tozzi
by artist: Rome Opera Orchestra
in album: Puccini: Turandot
  type: MusicAlbum
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popularity: 1
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Turandot: Act I, Non piangere, Liù!
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Turandot: Act I, Ah! Per l'ultima volta!
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duration: PT2M35S
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by artist: Giacomo Puccini
by artist: Erich Leinsdorf
by artist: Giorgio Tozzi
by artist: Renata Tebaldi
by artist: Mario Sereni
by artist: Piero de Palma
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by artist: Jussi Björling
by artist: Rome Opera Orchestra
by artist: Rome Opera Chorus
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  type: MusicAlbum
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popularity: 1
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T10:20:10Z
audio: Turandot: Act I, Ah! Per l'ultima volta!
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.447
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.359
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.014
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: USBC19605850
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: 960389
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T10:20:10+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19605850
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960389
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960389
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T10:20:10+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

Turandot: Act III, Principessa divina!
type: MusicRecording
duration: PT3M52S
duration ms: 232000
explicit: false
by artist: Giacomo Puccini
by artist: Erich Leinsdorf
by artist: Mario Sereni
by artist: Birgit Nilsson
by artist: Jussi Björling
by artist: Renata Tebaldi
by artist: Giorgio Tozzi
by artist: Rome Opera Orchestra
by artist: Rome Opera Chorus
in album: Puccini: Turandot
  type: MusicAlbum
  date published: 1959
popularity: 1
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe28b291a84c8cbf3c88931f5e92317b89b42e402fcb2a912ee0940ba26b1ad8. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19605869.
  date published: 2026-07-31T20:22:46Z
audio: Turandot: Act III, Principessa divina!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 84.664
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.239
  additional property: Energy
    type: PropertyValue
    value: 0.14
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.93
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.254
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.169
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.998
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: USBC19605869
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960459
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T20:22:46+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19605869
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960459
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960459
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T20:22:46+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Turandot: Act III, Ah! Tu sei morta
type: MusicRecording
duration: PT4M58S
duration ms: 298466
explicit: false
by artist: Giacomo Puccini
by artist: Erich Leinsdorf
by artist: Jussi Björling
by artist: Giorgio Tozzi
by artist: Mario Sereni
by artist: Tommaso Frascati
by artist: Piero de Palma
by artist: Rome Opera Orchestra
by artist: Rome Opera Chorus
in album: Puccini: Turandot
  type: MusicAlbum
  date published: 1959
popularity: 0
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c85b3d9dcc9cafc3934dab5d5a1f5a1bdbc58e70822b8adb568b83367f15c96. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19605872.
  date published: 2026-07-31T17:29:52Z
audio: Turandot: Act III, Ah! Tu sei morta
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 90.037
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.102
  additional property: Energy
    type: PropertyValue
    value: 0.08
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.951
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.288
  additional property: Liveness
    type: PropertyValue
    value: 0.169
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.089
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.086
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: USBC19605872
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960441
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T17:29:52+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19605872
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960441
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960441
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Some Enchanted Evening (From "South Pacific")
type: MusicRecording
duration: PT5M53S
duration ms: 353226
explicit: false
by artist: Mitzi Gaynor
by artist: Giorgio Tozzi
in album: Mitzi and Morris At the Movies
  type: MusicAlbum
  date published: 2024-03-11
popularity: 11
isrc code: AUXN22441158
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T13:41:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x84a245884c2f157250c5e8132b7b09e87bf8767e78dc4af72fa1c4d5b0151487
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUXN22441158
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84a245884c2f157250c5e8132b7b09e87bf8767e78dc4af72fa1c4d5b0151487. 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/AUXN22441158.
  date published: 2026-07-02T03:30:09Z
audio: Some Enchanted Evening (From "South Pacific")
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.643
  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: 0.232
  additional property: Energy
    type: PropertyValue
    value: 0.195
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.957
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.294
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.098
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.033
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Twin Soliloquies / Some Enchanted Evening
type: MusicRecording
duration: PT5M56S
duration ms: 356026
explicit: false
by artist: Rossano Brazzi
by artist: Giorgio Tozzi
by artist: Mitzi Gaynor
in album: Rodgers & Hammerstein: South Pacific (Original Motion Picture Soundtrack)
  type: MusicAlbum
  date published: 2014-10-27
popularity: 2
isrc code: GBH5G1401475
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:52:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6a8425c49ccd11f5f78072140a298e1937447ad067f49a01062b5618ebf369f5
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/GBH5G1401475
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 0x6a8425c49ccd11f5f78072140a298e1937447ad067f49a01062b5618ebf369f5. 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/GBH5G1401475.
  date published: 2026-07-08T03:20:19Z
audio: Twin Soliloquies / Some Enchanted Evening
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.036
  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: 0.152
  additional property: Energy
    type: PropertyValue
    value: 0.128
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.934
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.117
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.091
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.58
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Energy
type: PropertyValue
value: 0.072

Speechiness
type: PropertyValue
value: 0.037

Acousticness
type: PropertyValue
value: 0.937

Instrumentalness
type: PropertyValue
value: 0.27

Liveness
type: PropertyValue
value: 0.106

Valence (Positivity)
type: PropertyValue
value: 0.079

Loudness (dB)
type: PropertyValue
value: -26.052

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Minor

Turandot: Act I, Signore, ascolta!
type: MusicRecording
duration: PT2M33S
duration ms: 153533
explicit: false
by artist: Giacomo Puccini
by artist: Erich Leinsdorf
by artist: Renata Tebaldi
by artist: Rome Opera Orchestra
in album: Puccini: Turandot
  type: MusicAlbum
  date published: 1959
popularity: 1
isrc code: USBC19605848
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:13:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0b951697ecf0af015cacc66d80132d822633731e94a0b746075c66f1d0415755
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/USBC19605848
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 0x0b951697ecf0af015cacc66d80132d822633731e94a0b746075c66f1d0415755. 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/USBC19605848.
  date published: 2026-07-08T03:22:41Z
audio: Turandot: Act I, Signore, ascolta!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.512
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.14
  additional property: Energy
    type: PropertyValue
    value: 0.038
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.013
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Turandot: Act II, Olà, Pang! Olà, Pong!
type: MusicRecording
duration: PT3M19S
duration ms: 199706
explicit: false
by artist: Giacomo Puccini
by artist: Erich Leinsdorf
by artist: Mario Sereni
by artist: Tommaso Frascati
by artist: Piero de Palma
by artist: Rome Opera Orchestra
in album: Puccini: Turandot
  type: MusicAlbum
  date published: 1959
popularity: 0
isrc code: USBC19605851
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:37:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0ca784dd9e148452d4cf9c905dc38f83f7e25c97d5163a8084e24f4d4674c6d6
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/USBC19605851
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 0x0ca784dd9e148452d4cf9c905dc38f83f7e25c97d5163a8084e24f4d4674c6d6. 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/USBC19605851.
  date published: 2026-07-08T03:20:19Z
audio: Turandot: Act II, Olà, Pang! Olà, Pong!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.865
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.416
  additional property: Energy
    type: PropertyValue
    value: 0.169
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.94
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.297
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.549
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.172
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Turandot: Act III, Chi pose tanta forza
type: MusicRecording
duration: PT3M24S
duration ms: 204706
explicit: false
by artist: Giacomo Puccini
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