Gianni Poggi
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genre: opera
description: Gianni Poggi (October 4, 1921 – December 16, 1989) was an Italian tenor, particularly associated with the Italian repertory. Biography thumb|Gianni Poggi as Riccardo in Un ballo in maschera, Teatro
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followers: 786
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album: Ettore Bastianini rarities
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  date published: 2023-03-17
album: Verdi: Un ballo in maschera (Live)
  type: MusicAlbum
  date published: 2014-11-04
album: Bastianini - A Life in Opera: Rossini, Donizetti, Ponchielli, Verdi
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  date published: 2009-08-11
  track: Un ballo in maschera: Alzati…Eri tu che macchiavi
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    by artist: Ettore Bastianini
    by artist: Anita Cerquetti
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    by artist: Emidio Tieri
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      date published: 2009-08-11
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    genre: opera
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      date published: 2026-07-08T03:20:19Z
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album: Donizetti: La Favorita
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  date published: 2006-01-01
album: Lebendige Vergangenheit - Giulio Neri
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T03:20:19Z
    audio: La notte del Sabba (Mefistofele)
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album: Ponchielli: La Gioconda, Op. 9
album: Puccini: La Bohème
album: Verdi: La traviata (highlights)
album: Highlights From La Traviata
album: Verdi: Un ballo in maschera
album: Tosca
album: Verdi: Un ballo in maschera (Stereo Version)
album: Verdi: Un ballo in maschera (Mono Version)
album: Ponchielli: La Gioconda, Op. 9 (Live)
album: Renata Tebaldi: Arias & Duets
album: Puccini: Les opéras - La discothèque idéale de Diapason, Vol. 10
album: Puccini: Tosca, S. 69 (Recorded 1961)
album: The Queen (Recordings 1949-1960)
album: La traviata Highlights
album: 100 Greatest Tenors, Vol. 3 (Recordings from 1941 to 1960)
album: Gianni Poggi - Italian Songs
album: The Great Renata Tebaldi
album: Ponchielli: La Gioconda (1952 - Votto) - Callas Remastered
album: Lebendige Vergangenheit - Gianni Poggi II
album: Maria Callas, Vol. 1 (1949-1952)
album: Gaetano Donizetti : Don Sebastiano
album: Lebendige Vergangenheit - Gianni Poggi
album: Verdi: La traviata, extraits (Mono Version)
album: La dolce vita di Roma, Vol. 2
album: Puccini: The Essentials
album: Almicare Ponchielli : La Gioconda (Live Recording New York 20.04.1957)
album: A Puccini Weekend
album: O Sole Mio
album: Tosca Excerpts
album: Mascagni: Cavalleria Rusticana - Leoncavallo: I Pagliacci
album: Highlights from La Boheme
album: Classical Favourites
album: Premier récital d'opéra (Mono Version)
album: Great Tenor Arias (Vol. 2)
album: Essential Classical for Children
album: Original Italian Classics, Vol. 2

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    date published: 2026-06-13T13:32:09Z
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  subject of: OpenTimestamps Proof of Existence
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Puccini: La Bohème
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    date published: 2026-07-08T03:20:19Z
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    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.983
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.102
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.092
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.014
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: La Bohème / Act 1: "Sì. Mi chiamano Mimì"
  type: MusicRecording
  duration: PT5M0S
  duration ms: 300000
  explicit: false
  by artist: Giacomo Puccini
  by artist: Renata Scotto
  by artist: Gianni Poggi
  by artist: Orchestra del Maggio Musicale Fiorentino
  by artist: Antonino Votto
  in album: Puccini: La Bohème
    type: MusicAlbum
    date published: 2005-01-01
  isrc code: DEF056131304
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T06:58:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x44e837ac6482519afd73b71d0e68b754f4c47f8cc2a381c048c0e9673b02d8f6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960220
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960220
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056131304
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T07:28:30Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44e837ac6482519afd73b71d0e68b754f4c47f8cc2a381c048c0e9673b02d8f6. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056131304 — a six-check JSON result.
    date published: 2026-07-30T07:28:30Z
  audio: La Bohème / Act 1: "Sì. Mi chiamano Mimì"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 161.734
    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: 0.217
    additional property: Energy
      type: PropertyValue
      value: 0.048
    additional property: Speechiness
      type: PropertyValue
      value: 0.049
    additional property: Acousticness
      type: PropertyValue
      value: 0.99
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.114
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.058
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.734
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: La Bohème / Act 1: "O soave fanciulla"
  type: MusicRecording
  duration: PT3M59S
  duration ms: 239266
  explicit: false
  by artist: Giacomo Puccini
  by artist: Gianni Poggi
  by artist: Tito Gobbi
  by artist: Renata Scotto
  by artist: Orchestra del Maggio Musicale Fiorentino
  by artist: Antonino Votto
  in album: Puccini: La Bohème
    type: MusicAlbum
    date published: 2005-01-01
  isrc code: DEF056131305
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T22:46:47+00:00
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: La Bohème / Act 1: "O soave fanciulla"
track: La Bohème / Act 4: O Mimì, tu più non torni
track: La Bohème / Act 2: "Quando m'en vo'" (Musetta's Waltz)

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xa8b7b73401e50ad3dfc27f3326751ca7eff8e01367a2dc296eedf19a1330cbbb

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960327

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960327

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056131305

OTSTimestamp
type: PropertyValue
value: 2026-07-31T00:26:26Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8b7b73401e50ad3dfc27f3326751ca7eff8e01367a2dc296eedf19a1330cbbb. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056131305 — a six-check JSON result.
date published: 2026-07-31T00:26:26Z

La Bohème / Act 1: "O soave fanciulla"
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 98.34
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: 0.244
additional property: Energy
  type: PropertyValue
  value: 0.152
additional property: Speechiness
  type: PropertyValue
  value: 0.038
additional property: Acousticness
  type: PropertyValue
  value: 0.979
additional property: Instrumentalness
  type: PropertyValue
  value: 0.001
additional property: Liveness
  type: PropertyValue
  value: 0.102
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.042
additional property: Loudness (dB)
  type: PropertyValue
  value: -19.77
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

La Bohème / Act 4: O Mimì, tu più non torni
type: MusicRecording
duration: PT3M7S
duration ms: 187333
explicit: false
by artist: Giacomo Puccini
by artist: Gianni Poggi
by artist: Tito Gobbi
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Antonino Votto
in album: Puccini: La Bohème
  type: MusicAlbum
  date published: 2005-01-01
isrc code: DEF056131310
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T18:45:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7e3f631df2642478cb1c2968c8f43d12f9e73d0f5f5bc0935818d486e23c0050
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056131310
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e3f631df2642478cb1c2968c8f43d12f9e73d0f5f5bc0935818d486e23c0050. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056131310 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: La Bohème / Act 4: O Mimì, tu più non torni
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.278
  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: 0.162
  additional property: Energy
    type: PropertyValue
    value: 0.169
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.025
  additional property: Liveness
    type: PropertyValue
    value: 0.414
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.132
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.897
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Bohème / Act 2: "Quando m'en vo'" (Musetta's Waltz)
type: MusicRecording
duration: PT5M5S
duration ms: 305493
explicit: false
by artist: Giacomo Puccini
by artist: Jolanda Meneguzzer
by artist: Tito Gobbi
by artist: Virgilio Carbonari
by artist: Renata Scotto
by artist: Gianni Poggi
by artist: Giorgio Giorgetti
by artist: Giuseppe Modesti
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Antonino Votto
in album: Puccini: La Bohème
  type: MusicAlbum
  date published: 2005-01-01
isrc code: DEF056131306
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T21:17:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x754bcb39498a96a7d8aa9cfe54a8aa55c5663e2715a8246e2ca1bf771b61b4c4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960150
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960150
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056131306
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T21:51:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x754bcb39498a96a7d8aa9cfe54a8aa55c5663e2715a8246e2ca1bf771b61b4c4. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056131306 — a six-check JSON result.
  date published: 2026-07-29T21:51:49Z
audio: La Bohème / Act 2: "Quando m'en vo'" (Musetta's Waltz)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.892
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.325
  additional property: Energy
    type: PropertyValue
    value: 0.27
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
    value: 0.809
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.188
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.397
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Verdi: La traviata (highlights)
type: MusicAlbum
date published: 2000-09-04
track: La traviata / Act 3: "Parigi, o cara, noi lasceremo"
  type: MusicRecording
  duration: PT7M25S
  duration ms: 445333
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Renata Tebaldi
  by artist: Gianni Poggi
  by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
  by artist: Francesco Molinari-Pradelli
  in album: Verdi: La traviata (highlights)
    type: MusicAlbum
    date published: 2000-09-04
  popularity: 0
  genre: classical
  genre: opera
  isrc code: GBF075440909
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T15:09:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3869082d3d9d1c78e13a88ed02eedf8c146f2aafe12a04a846ab759a350c869a
  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/GBF075440909
  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 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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3869082d3d9d1c78e13a88ed02eedf8c146f2aafe12a04a846ab759a350c869a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF075440909 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: La traviata / Act 3: "Parigi, o cara, noi lasceremo"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 124.695
    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: 0.355
    additional property: Energy
      type: PropertyValue
      value: 0.22
    additional property: Speechiness
      type: PropertyValue
      value: 0.05
    additional property: Acousticness
      type: PropertyValue
      value: 0.963
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.638
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.062
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.435
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major

Highlights From La Traviata
type: MusicAlbum
date published: 2000-01-01

Verdi: Un ballo in maschera
type: MusicAlbum
date published: 2010-02-03
track: Un ballo in maschera: Preludio
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249680
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Antonietta Stella
  by artist: Ettore Bastianini
  by artist: Gianni Poggi
  by artist: Gianandrea Gavazzeni
  by artist: Orchestra Del Teatro Alla Scala, Milano
  in album: Verdi: Un ballo in maschera
    type: MusicAlbum
    date published: 2010-02-03
  genre: classical
  genre: opera
  isrc code: QM6N21452106
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T13:40:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbe6c863b1921ed2fa87dd8e95d5ba200ad488dff9db54d75188bfd155b0f36ca
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960264
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960264
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6N21452106
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T14:36:16Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe6c863b1921ed2fa87dd8e95d5ba200ad488dff9db54d75188bfd155b0f36ca. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6N21452106 — a six-check JSON result.
    date published: 2026-07-30T14:36:16Z
  audio: Un ballo in maschera: Preludio
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 98.788
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.207
    additional property: Energy
      type: PropertyValue
      value: 0.044
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.934
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.394
    additional property: Liveness
      type: PropertyValue
      value: 0.119
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.124
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.635
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Un ballo in maschera, Act I: Alla vita che t'arride
  type: MusicRecording
  duration: PT4M4S
  duration ms: 244106
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Ettore Bastianini
  by artist: Gianandrea Gavazzeni
  by artist: Orchestra Del Teatro Alla Scala, Milano
  in album: Verdi: Un ballo in maschera
    type: MusicAlbum
    date published: 2010-02-03
  genre: classical
  genre: opera
  isrc code: QM6N21452109
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:22:41Z
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  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Un ballo in maschera, Act III: Eri tu, che macchiavi quell'anima
track: Un ballo in maschera, Act II: Ecco l'orrido campo

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6N21452124

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x588c928434d619301eea4ad4e9be1d8302377ab9bf5eca20fc2a9cf08dc4057c. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6N21452124 — a six-check JSON result.
date published: 2026-07-08T03:20:19Z

Un ballo in maschera, Act III: Eri tu, che macchiavi quell'anima
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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Un ballo in maschera, Act II: Ecco l'orrido campo
type: MusicRecording
duration: PT6M34S
duration ms: 394426
explicit: false
by artist: Giuseppe Verdi
by artist: Antonietta Stella
by artist: Gianandrea Gavazzeni
by artist: Orchestra Del Teatro Alla Scala, Milano
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genre: classical
genre: opera
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6N21452118
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 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94518002156ac9ed1097b5a89d7b1b98d104a417a1b80c344ad478b0a0608519. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6N21452118 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Un ballo in maschera, Act II: Ecco l'orrido campo
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Tosca
type: MusicAlbum
date published: 2000-01-01

Verdi: Un ballo in maschera (Stereo Version)
type: MusicAlbum
date published: 1960

Verdi: Un ballo in maschera (Mono Version)
type: MusicAlbum
date published: 1960

Ponchielli: La Gioconda, Op. 9 (Live)
type: MusicAlbum
date published: 2014-07-01

Renata Tebaldi: Arias & Duets
type: MusicAlbum
date published: 2006-01-01
track: La Wally / Act 1: "Ebben? Ne andrò lontana"
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  by artist: Renata Tebaldi
  by artist: Monte-Carlo Philharmonic Orchestra
  by artist: Fausto Cleva
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    type: MusicAlbum
    date published: 2006-01-01
  genre: opera
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076840709
  additional property: OTSTimestamp
    type: PropertyValue
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-08T03:20:19Z
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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track: Adriana Lecouvreur / Act 1: "Ecco, respiro appena...Io son' l'umile ancella"
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  duration: PT3M28S
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  by artist: Renata Tebaldi
  by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
  by artist: Alberto Erede
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-08T03:20:19Z
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Puccini: Les opéras - La discothèque idéale de Diapason, Vol. 10
type: MusicAlbum
date published: 2017-08-25

Puccini: Tosca, S. 69 (Recorded 1961)
type: MusicAlbum
date published: 2014-09-01

The Queen (Recordings 1949-1960)
type: MusicAlbum
date published: 2014-11-01

La traviata Highlights
type: MusicAlbum
date published: 2013-11-30

100 Greatest Tenors, Vol. 3 (Recordings from 1941 to 1960)
type: MusicAlbum
date published: 2014-05-16

Gianni Poggi - Italian Songs
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date published: 2014-01-01
track: Malia di Napoli
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  by artist: Gianni Poggi
  by artist: Ernest Nicelli
  by artist: Unknown Orchestra
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    date published: 2014-01-01
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    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-31T08:26:41Z
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The Great Renata Tebaldi
type: MusicAlbum
date published: 2001-12-03
track: Gianni Schicchi: "Oh! mio babbino caro"
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  by artist: Orchestra del Maggio Musicale Fiorentino
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    date published: 2001-12-03
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    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 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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x407a58639f0ab38ec2f21b6fd83f6478a30fd98dbc5b859ff3f958350266eb5e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076240708 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Gianni Schicchi: "Oh! mio babbino caro"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.61
    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: 0.28
    additional property: Energy
      type: PropertyValue
      value: 0.122
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.978
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.387
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.037
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.535
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Tosca / Act 2: "Vissi d'arte, vissi d'amore"
  type: MusicRecording
  duration: PT3M17S
  duration ms: 197533
  explicit: false
  by artist: Giacomo Puccini
  by artist: Renata Tebaldi
  by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
  by artist: Francesco Molinari-Pradelli
  in album: The Great Renata Tebaldi
    type: MusicAlbum
    date published: 2001-12-03
  isrc code: GBF075910260
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T14:15:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2dfad49e49c6a512dd27a0158420b99fe26724577c3c353cb105448fdf0b39c8
  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/GBF075910260
  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 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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dfad49e49c6a512dd27a0158420b99fe26724577c3c353cb105448fdf0b39c8. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF075910260 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Tosca / Act 2: "Vissi d'arte, vissi d'amore"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 94.686
    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: 0.154
    additional property: Energy
      type: PropertyValue
      value: 0.104
    additional property: Speechiness
      type: PropertyValue
      value: 0.05
    additional property: Acousticness
      type: PropertyValue
      value: 0.975
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.085
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.036
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.462
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Il Trovatore / Act 1: "Tacea la notte!"
  type: MusicRecording
  duration: PT3M57S
  duration ms: 237746
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Renata Tebaldi
  by artist: Orchestre de la Suisse Romande
  by artist: Alberto Erede
  in album: The Great Renata Tebaldi
    type: MusicAlbum
    date published: 2001-12-03
  genre: classical
  genre: opera
  isrc code: GBF074910062
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T11:24:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd9e1c2bfd6c5ff63b0bdf61ee77a176f6d2139a19c0c08e6fe334dfdbf738832
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Il Trovatore / Act 1: "Tacea la notte!"
track: La Wally / Act 1: "Ebben? Ne andrò lontana"
track: La Wally / Act 3: Prendi, fanciul, e serbala!
track: La forza del destino - Act 1: Me pellegrina ed orfana
track: La Gioconda, Op. 9, Act IV: Suicidio!
track: Adriana Lecouvreur - original version - Act 4: Fiori offerti in un'ora d'oblio...Poveri fiori
track: Il Tabarro, Opera lirica in un atto - original version: Michele! Michele!...Avevo ben ragione...Si, vicina
track: La Bohème - Act 1: Sì. Mi chiamano Mimì...O soave fanciulla
track: Die lustige Witwe, Act II: Vilja-Lied

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960403

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960403

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF074910062

OTSTimestamp
type: PropertyValue
value: 2026-07-31T13:04:34Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9e1c2bfd6c5ff63b0bdf61ee77a176f6d2139a19c0c08e6fe334dfdbf738832. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF074910062 — a six-check JSON result.
date published: 2026-07-31T13:04:34Z

Il Trovatore / Act 1: "Tacea la notte!"
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 142.549
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: 0.297
additional property: Energy
  type: PropertyValue
  value: 0.113
additional property: Speechiness
  type: PropertyValue
  value: 0.049
additional property: Acousticness
  type: PropertyValue
  value: 0.969
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.331
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.06
additional property: Loudness (dB)
  type: PropertyValue
  value: -18.565
additional property: Key Name
  type: PropertyValue
  value: Ab
additional property: Mode Name
  type: PropertyValue
  value: Major

La Wally / Act 1: "Ebben? Ne andrò lontana"
type: MusicRecording
duration: PT4M59S
duration ms: 299880
explicit: false
by artist: Alfredo Catalani
by artist: Renata Tebaldi
by artist: Monte-Carlo Philharmonic Orchestra
by artist: Fausto Cleva
in album: The Great Renata Tebaldi
  type: MusicAlbum
  date published: 2001-12-03
genre: opera
isrc code: GBF076840709
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T17:07:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x43b4a43ab99f46b4078ad1a3ca7fca89715117aa754a5103ed94e9fc48d77f16
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/GBF076840709
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 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43b4a43ab99f46b4078ad1a3ca7fca89715117aa754a5103ed94e9fc48d77f16. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076840709 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: La Wally / Act 1: "Ebben? Ne andrò lontana"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.091
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.227
  additional property: Energy
    type: PropertyValue
    value: 0.124
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.362
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.018
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Wally / Act 3: Prendi, fanciul, e serbala!
type: MusicRecording
duration: PT4M15S
duration ms: 255720
explicit: false
by artist: Alfredo Catalani
by artist: Renata Tebaldi
by artist: Lydia Marimpietri
by artist: Monte-Carlo Philharmonic Orchestra
by artist: Fausto Cleva
in album: The Great Renata Tebaldi
  type: MusicAlbum
  date published: 2001-12-03
genre: opera
isrc code: GBF076840727
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:11:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xde7f988c0979129b2b65583ebe1d03b0d1d94d4fe152cf58c2d9329e85ba2066
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/GBF076840727
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 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde7f988c0979129b2b65583ebe1d03b0d1d94d4fe152cf58c2d9329e85ba2066. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076840727 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: La Wally / Act 3: Prendi, fanciul, e serbala!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.358
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.159
  additional property: Energy
    type: PropertyValue
    value: 0.138
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.075
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.832
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

La forza del destino - Act 1: Me pellegrina ed orfana
type: MusicRecording
duration: PT3M38S
duration ms: 218466
explicit: false
by artist: Giuseppe Verdi
by artist: Renata Tebaldi
by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
by artist: Francesco Molinari-Pradelli
in album: The Great Renata Tebaldi
  type: MusicAlbum
  date published: 2001-12-03
genre: classical
genre: opera
isrc code: GBBBA5550590
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:45:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb78835ec31afdae4e596be28a5214eabd001c1137bf905ae43e38fce457aba03
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/GBBBA5550590
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 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb78835ec31afdae4e596be28a5214eabd001c1137bf905ae43e38fce457aba03. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA5550590 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: La forza del destino - Act 1: Me pellegrina ed orfana
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.871
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.214
  additional property: Energy
    type: PropertyValue
    value: 0.151
  additional property: Speechiness
    type: PropertyValue
    value: 0.068
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
    value: 0.249
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.831
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Gioconda, Op. 9, Act IV: Suicidio!
type: MusicRecording
duration: PT4M28S
duration ms: 268200
explicit: false
by artist: Amilcare Ponchielli
by artist: Renata Tebaldi
by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
by artist: Lamberto Gardelli
in album: The Great Renata Tebaldi
  type: MusicAlbum
  date published: 2001-12-03
isrc code: GBF076741028
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T07:11:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc0ef5986f315ef69afb6527b6b7bf9bb293ea73c8fd01f9008db7c1aff5bb454
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960368
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960368
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076741028
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:26:41Z
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 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0ef5986f315ef69afb6527b6b7bf9bb293ea73c8fd01f9008db7c1aff5bb454. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076741028 — a six-check JSON result.
  date published: 2026-07-31T08:26:41Z
audio: La Gioconda, Op. 9, Act IV: Suicidio!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.841
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
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Adriana Lecouvreur - original version - Act 4: Fiori offerti in un'ora d'oblio...Poveri fiori
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by artist: Renata Tebaldi
by artist: Giulio Fioravanti
by artist: Mario del Monaco
by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
by artist: Franco Capuana
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genre: opera
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:26:26Z
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Il Tabarro, Opera lirica in un atto - original version: Michele! Michele!...Avevo ben ragione...Si, vicina
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by artist: Robert Merrill
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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La Bohème - Act 1: Sì. Mi chiamano Mimì...O soave fanciulla
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by artist: Renata Tebaldi
by artist: Carlo Bergonzi
by artist: Renato Cesari
by artist: Cesare Siepi
by artist: Ettore Bastianini
by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T12:06:10Z
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Die lustige Witwe, Act II: Vilja-Lied
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by artist: Gala Orchestra
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
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Ponchielli: La Gioconda (1952 - Votto) - Callas Remastered
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T17:29:52Z
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Lebendige Vergangenheit - Gianni Poggi II
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Maria Callas, Vol. 1 (1949-1952)
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Gaetano Donizetti : Don Sebastiano
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Lebendige Vergangenheit - Gianni Poggi
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Verdi: La traviata, extraits (Mono Version)
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La dolce vita di Roma, Vol. 2
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Puccini: The Essentials
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Gianni Schicchi, SC 88: O mio babbino caro
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track: La Bohème / Act 3: "Donde lieta uscì" - Live
track: La Bohème / Act 1: "Sì. Mi chiamano Mimì"

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date published: 2026-07-08T03:20:19Z

Madama Butterfly / Act II: Addio fiorito asil
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La Bohème / Act 3: "Donde lieta uscì" - Live
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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La Bohème / Act 1: "Sì. Mi chiamano Mimì"
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subject of: OpenTimestamps Proof of Existence
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Almicare Ponchielli : La Gioconda (Live Recording New York 20.04.1957)
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A Puccini Weekend
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O Sole Mio
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Tosca Excerpts
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Mascagni: Cavalleria Rusticana - Leoncavallo: I Pagliacci
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Highlights from La Boheme
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Classical Favourites
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Premier récital d'opéra (Mono Version)
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Great Tenor Arias (Vol. 2)
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Essential Classical for Children
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Original Italian Classics, Vol. 2
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