Paolo Barbacini
type: MusicGroup
genre: opera
popularity: 17
followers: 28
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additional property: OTSVerifyInstructions
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 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. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-14T21:38:09Z
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album: Rossini: Aureliano in Palmira
  type: MusicAlbum
  date published: 2019-09-30
album: Puccini: Il trittico
  type: MusicAlbum
  date published: 1999-02-23
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    by artist: Giacomo Puccini
    by artist: Antonio Pappano
    by artist: London Symphony Orchestra
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      type: MusicAlbum
      date published: 1999-02-23
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    additional property: OTSTimestamp
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      value: 2026-07-06T06:56:49Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08eedbb5ac52a7eafdebdc33fa57f5d4b34591db45c58dfdd4ac193eebcc911a. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9702780.
      date published: 2026-07-06T06:56:49Z
    audio: Puccini: Il tabarro: Introduzione
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  track: Puccini: Suor Angelica: "Ave Maria" (Coro, Suor Angelica)
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    by artist: Antonio Pappano
    by artist: Cristina Gallardo-Domas
    by artist: London Voices
    by artist: Philharmonia Orchestra
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      date published: 1999-02-23
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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
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-07T18:39:05Z
    audio: Puccini: Suor Angelica: "Ave Maria" (Coro, Suor Angelica)
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  track: Puccini: Suor Angelica: "I desideri sono i fiori dei vivi" (Suor Angelica, La Sorella zelatrice, Suor Genovieffa, Coro)
  track: Puccini: Il tabarro: "O eterni innamorati, buona sera!" (La Frugola, Giorgetta)
  track: Puccini: Suor Angelica: "Ho un desiderio anchi'io!" (Suor Dolcina, Suor Genovieffa, Suor Angelica, Una novizia, La Sorella infermiera, Coro)
  track: Puccini: Il tabarro: "To! guarda la mia vecchia!" (Il talpa, La Frugola, Michele, Luigi, Il tinca)
  track: Puccini: Gianni Schicchi: "Firenze è come un albero fiorito" (Rinuccio)
  track: Puccini: Il tabarro: "È ben altro il mio sogno!" (Giorgetta, La Frugola, Luigi, Il talpa, Coro)
  track: Puccini: Il tabarro: "Miei vecchi, buona notte!" (La Frugola, Il talpa, Coro)
  track: Puccini: Gianni Schicchi: "O mio babbino caro" (Lauretta)
  track: Puccini: Il tabarro: "O Luigi! Luigi!" (Giorgetta, Luigi, Michele)
  track: Puccini: Suor Angelica: "Nel silenzio di quei raccoglimenti" (La Zia principessa)
  track: Puccini: Gianni Schicchi: "Datemi il testamento!" (Schicchi, Lauretta, Rinuccio, Zita, La Ciesca, Nella, Gherardo, Marco, Simone, Betto)
  track: Puccini: Suor Angelica: "Senza mamma, o bimbo, tu sei morto!" (Suor Angelica)
  track: Puccini: Suor Angelica: "Sorella, o buona sorella" (Suor Genovieffa, Coro, Suor Angelica)
  track: Puccini: Gianni Schicchi: "Schicchi! Schicci!" (Zita, La Ciesca, Nella, Rinuccio, Gherardo, Marco, Simone, Betto, Schicchi, Lauretta)
  track: Puccini: Suor Angelica: "Suor Angelica ha sempre una ricetta buona" (Suor Angelica)
album: Verdi: Un Giorno de Regno
album: Absolute Masterworks - Opera
album: Cherubini: Mass in A Major & Chant sur la mort de Haydn
album: Cherubini, L.: Chant Sur La Mort De Joseph Haydn / Symphony
album: Ich mag keine Klassik, aber das gefällt mir, Vol. 4
album: Famous Arias
album: Rossini: Il barbiere di Siviglia - The Sony Opera House
album: Rossini: Der Barbier von Sevilla
album: Verdi: I Vespri siciliani
album: Opera for Lovers - Romantic Duets - Sony Classical Masters
album: Giacomo Puccini: Gianni Schicchi - Crisantemi - 6 Piano Works (Live)
album: Paisiello: Don Chisciotte della Mancia
album: Francesco Paolo Tosti : Antology
album: Cappella Coloniensis (1954-2004)
album: Cherubini: Mass in A major - Chant sur la mort de Haydn
album: Rossini: La pietra del paragone
album: Paisiello: Don Chisciotte

Instrumentalness
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Liveness
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Valence (Positivity)
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value: 0.059

Loudness (dB)
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value: -43.949

Key Name
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value: F

Mode Name
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value: Major

Puccini: Suor Angelica: "I desideri sono i fiori dei vivi" (Suor Angelica, La Sorella zelatrice, Suor Genovieffa, Coro)
type: MusicRecording
duration: PT2M40S
duration ms: 160400
explicit: false
by artist: Giacomo Puccini
by artist: Antonio Pappano
by artist: Cristina Gallardo-Domas
by artist: Dorothea Röschmann
by artist: Elena Zilio
by artist: London Voices
by artist: Philharmonia Orchestra
in album: Puccini: Il trittico
  type: MusicAlbum
  date published: 1999-02-23
isrc code: GBAYC9702801
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f568e2cb9cb62e9ebff657369e2421cfe632c3f3335ac162582f2fe1482f422. 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/GBAYC9702801.
  date published: 2026-07-08T03:22:41Z
audio: Puccini: Suor Angelica: "I desideri sono i fiori dei vivi" (Suor Angelica, La Sorella zelatrice, Suor Genovieffa, Coro)
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  additional property: Tempo (BPM)
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  additional property: Danceability
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  additional property: Acousticness
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  additional property: Instrumentalness
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Puccini: Il tabarro: "O eterni innamorati, buona sera!" (La Frugola, Giorgetta)
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by artist: Giacomo Puccini
by artist: Antonio Pappano
by artist: Elena Zilio
by artist: Maria Guleghina
by artist: London Symphony Orchestra
in album: Puccini: Il trittico
  type: MusicAlbum
  date published: 1999-02-23
isrc code: GBAYC9702784
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
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additional property: OTSVerificationAPI
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f2ce975be1e6594d63929ef874d0ce02a51df6d3a2ece9558320dce11459188. 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/GBAYC9702784.
  date published: 2026-07-08T03:20:19Z
audio: Puccini: Il tabarro: "O eterni innamorati, buona sera!" (La Frugola, Giorgetta)
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Puccini: Suor Angelica: "Ho un desiderio anchi'io!" (Suor Dolcina, Suor Genovieffa, Suor Angelica, Una novizia, La Sorella infermiera, Coro)
type: MusicRecording
duration: PT1M40S
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explicit: false
by artist: Giacomo Puccini
by artist: Antonio Pappano
by artist: Cristina Gallardo-Domas
by artist: Dorothea Röschmann
by artist: Francesca Pedaci
by artist: London Voices
by artist: Rachele Stanisci
by artist: Rosalind Waters
by artist: Philharmonia Orchestra
in album: Puccini: Il trittico
  type: MusicAlbum
  date published: 1999-02-23
isrc code: GBAYC9702802
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd34a5792c79fe1cd9586c432495310278a8336d0a9c9eae98b474b014dbe3e42. 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/GBAYC9702802.
  date published: 2026-07-08T03:20:19Z
audio: Puccini: Suor Angelica: "Ho un desiderio anchi'io!" (Suor Dolcina, Suor Genovieffa, Suor Angelica, Una novizia, La Sorella infermiera, Coro)
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    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.185
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.194
  additional property: Loudness (dB)
    type: PropertyValue
    value: -35.631
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Il tabarro: "To! guarda la mia vecchia!" (Il talpa, La Frugola, Michele, Luigi, Il tinca)
type: MusicRecording
duration: PT1M26S
duration ms: 86666
explicit: false
by artist: Giacomo Puccini
by artist: Antonio Pappano
by artist: Carlo Guelfi
by artist: Elena Zilio
by artist: Enrico Fissore
by artist: Neil Shicoff
by artist: Ricardo Cassinelli
by artist: London Symphony Orchestra
in album: Puccini: Il trittico
  type: MusicAlbum
  date published: 1999-02-23
isrc code: GBAYC9702785
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:47:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5eb08b2c544a9f916e05888b506ad2770f09db3f056559a1a9eeee5119b2ffe3
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/GBAYC9702785
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 0x5eb08b2c544a9f916e05888b506ad2770f09db3f056559a1a9eeee5119b2ffe3. 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/GBAYC9702785.
  date published: 2026-07-08T03:20:19Z
audio: Puccini: Il tabarro: "To! guarda la mia vecchia!" (Il talpa, La Frugola, Michele, Luigi, Il tinca)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.153
  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: 0.324
  additional property: Energy
    type: PropertyValue
    value: 0.082
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.377
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.619
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.66
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Gianni Schicchi: "Firenze è come un albero fiorito" (Rinuccio)
type: MusicRecording
duration: PT2M32S
duration ms: 152213
explicit: false
by artist: Giacomo Puccini
by artist: Roberto Alagna
by artist: Antonio Pappano
by artist: London Symphony Orchestra
in album: Puccini: Il trittico
  type: MusicAlbum
  date published: 1999-02-23
isrc code: GBAYC9702823
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T21:32:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x997fa4aad38b0a71fda54492c98f5028967a9063557d6ac7c55dbd4e3a7d1bdf
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/GBAYC9702823
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 0x997fa4aad38b0a71fda54492c98f5028967a9063557d6ac7c55dbd4e3a7d1bdf. 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/GBAYC9702823.
  date published: 2026-07-08T03:20:19Z
audio: Puccini: Gianni Schicchi: "Firenze è come un albero fiorito" (Rinuccio)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 91.76
  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: 0.282
  additional property: Energy
    type: PropertyValue
    value: 0.204
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.277
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.33
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Il tabarro: "È ben altro il mio sogno!" (Giorgetta, La Frugola, Luigi, Il talpa, Coro)
type: MusicRecording
duration: PT4M44S
duration ms: 284440
explicit: false
by artist: Giacomo Puccini
by artist: Antonio Pappano
by artist: Elena Zilio
by artist: Enrico Fissore
by artist: London Voices
by artist: Maria Guleghina
by artist: Neil Shicoff
by artist: London Symphony Orchestra
in album: Puccini: Il trittico
  type: MusicAlbum
  date published: 1999-02-23
isrc code: GBAYC9702788
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:40:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x44e17ec3b9d013359f5d16b0897ab670e4d5f47a1f0a0f58cb00cc37b6e9223d
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/GBAYC9702788
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 0x44e17ec3b9d013359f5d16b0897ab670e4d5f47a1f0a0f58cb00cc37b6e9223d. 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/GBAYC9702788.
  date published: 2026-07-08T03:20:19Z
audio: Puccini: Il tabarro: "È ben altro il mio sogno!" (Giorgetta, La Frugola, Luigi, Il talpa, Coro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.71
  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: 0.223
  additional property: Energy
    type: PropertyValue
    value: 0.176
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.429
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.103
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.356
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Il tabarro: "Miei vecchi, buona notte!" (La Frugola, Il talpa, Coro)
type: MusicRecording
duration: PT1M28S
duration ms: 88000
explicit: false
by artist: Giacomo Puccini
by artist: Antonio Pappano
by artist: Elena Zilio
by artist: Enrico Fissore
by artist: London Voices
by artist: London Symphony Orchestra
in album: Puccini: Il trittico
  type: MusicAlbum
  date published: 1999-02-23
isrc code: GBAYC9702789
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T08:59:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4bb0cc8a80012e78f6483abd20d284c213d9c48f259d0375b47ff8bacc51bb7e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9702789
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
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 0x4bb0cc8a80012e78f6483abd20d284c213d9c48f259d0375b47ff8bacc51bb7e. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/GBAYC9702789.
  date published: 2026-07-07T18:39:05Z
audio: Puccini: Il tabarro: "Miei vecchi, buona notte!" (La Frugola, Il talpa, Coro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.529
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.201
  additional property: Energy
    type: PropertyValue
    value: 0.005
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.882
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.15
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.161
  additional property: Loudness (dB)
    type: PropertyValue
    value: -37.991
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Puccini: Gianni Schicchi: "O mio babbino caro" (Lauretta)
type: MusicRecording
duration: PT2M9S
duration ms: 129373
explicit: false
by artist: Giacomo Puccini
by artist: Antonio Pappano
by artist: Angela Gheorghiu
by artist: London Symphony Orchestra
in album: Puccini: Il trittico
  type: MusicAlbum
  date published: 1999-02-23
isrc code: GBAYC9702826
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T22:34:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdd07c9ced070df0a89791beeca0c5d64914cea022ee300c55c18b460c103c875
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9702826
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0xdd07c9ced070df0a89791beeca0c5d64914cea022ee300c55c18b460c103c875. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/GBAYC9702826.
  date published: 2026-06-13T12:53:06Z
audio: Puccini: Gianni Schicchi: "O mio babbino caro" (Lauretta)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.782
  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: 0.191
  additional property: Energy
    type: PropertyValue
    value: 0.133
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.057
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.987
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Il tabarro: "O Luigi! Luigi!" (Giorgetta, Luigi, Michele)
type: MusicRecording
duration: PT3M17S
duration ms: 197400
explicit: false
by artist: Giacomo Puccini
by artist: Antonio Pappano
by artist: Carlo Guelfi
by artist: Maria Guleghina
by artist: Neil Shicoff
by artist: London Symphony Orchestra
in album: Puccini: Il trittico
  type: MusicAlbum
  date published: 1999-02-23
isrc code: GBAYC9702790
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:34:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2ba96189a6924fa7b2b55bb95f5ede87a10227004edf019dd9d74bdcceea79fe
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/GBAYC9702790
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 0x2ba96189a6924fa7b2b55bb95f5ede87a10227004edf019dd9d74bdcceea79fe. 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/GBAYC9702790.
  date published: 2026-07-08T03:20:19Z
audio: Puccini: Il tabarro: "O Luigi! Luigi!" (Giorgetta, Luigi, Michele)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 173.364
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.258
  additional property: Energy
    type: PropertyValue
    value: 0.035
  additional property: Speechiness
    type: PropertyValue
    value: 0.078
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.612
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.097
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.935
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Puccini: Suor Angelica: "Nel silenzio di quei raccoglimenti" (La Zia principessa)
type: MusicRecording
duration: PT2M1S
duration ms: 121960
explicit: false
by artist: Giacomo Puccini
by artist: Antonio Pappano
by artist: Bernadette Manca Di Nissa
by artist: Philharmonia Orchestra
in album: Puccini: Il trittico
  type: MusicAlbum
  date published: 1999-02-23
isrc code: GBAYC9702808
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:21:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2bef6d85a03f0c69c678e9f451aa1121d5cd8e91feff927b8541abf252b6a2fc
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/GBAYC9702808
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
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  date published: 2026-07-08T03:22:41Z
audio: Puccini: Suor Angelica: "Nel silenzio di quei raccoglimenti" (La Zia principessa)
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Puccini: Gianni Schicchi: "Datemi il testamento!" (Schicchi, Lauretta, Rinuccio, Zita, La Ciesca, Nella, Gherardo, Marco, Simone, Betto)
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by artist: Giacomo Puccini
by artist: Antonio Pappano
by artist: Angela Gheorghiu
by artist: Carlos Chausson
by artist: Elena Zilio
by artist: Felicity Palmer
by artist: José van Dam
by artist: Luigi Roni
by artist: Paolo Barbacini
by artist: Patrizia Ciofi
by artist: Roberto Alagna
by artist: Roberto Scaltriti
by artist: London Symphony Orchestra
in album: Puccini: Il trittico
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  date published: 1999-02-23
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additional property: OTSVerificationAPI
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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
audio: Puccini: Gianni Schicchi: "Datemi il testamento!" (Schicchi, Lauretta, Rinuccio, Zita, La Ciesca, Nella, Gherardo, Marco, Simone, Betto)
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Puccini: Suor Angelica: "Senza mamma, o bimbo, tu sei morto!" (Suor Angelica)
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by artist: Antonio Pappano
by artist: Cristina Gallardo-Domas
by artist: Philharmonia 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:50:41Z
audio: Puccini: Suor Angelica: "Senza mamma, o bimbo, tu sei morto!" (Suor Angelica)
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Puccini: Suor Angelica: "Sorella, o buona sorella" (Suor Genovieffa, Coro, Suor Angelica)
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duration: PT2M42S
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by artist: Giacomo Puccini
by artist: Antonio Pappano
by artist: Cristina Gallardo-Domas
by artist: Dorothea Röschmann
by artist: London Voices
by artist: Philharmonia Orchestra
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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: 2026-07-06T07:53:57Z
audio: Puccini: Suor Angelica: "Sorella, o buona sorella" (Suor Genovieffa, Coro, Suor Angelica)
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Puccini: Gianni Schicchi: "Schicchi! Schicci!" (Zita, La Ciesca, Nella, Rinuccio, Gherardo, Marco, Simone, Betto, Schicchi, Lauretta)
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by artist: Antonio Pappano
by artist: Angela Gheorghiu
by artist: Carlos Chausson
by artist: Elena Zilio
by artist: Felicity Palmer
by artist: José van Dam
by artist: Luigi Roni
by artist: Paolo Barbacini
by artist: Patrizia Ciofi
by artist: Roberto Alagna
by artist: Roberto Scaltriti
by artist: London Symphony Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Puccini: Gianni Schicchi: "Schicchi! Schicci!" (Zita, La Ciesca, Nella, Rinuccio, Gherardo, Marco, Simone, Betto, Schicchi, Lauretta)
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Puccini: Suor Angelica: "Suor Angelica ha sempre una ricetta buona" (Suor Angelica)
type: MusicRecording
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by artist: Antonio Pappano
by artist: Cristina Gallardo-Domas
by artist: Philharmonia Orchestra
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additional property: OTSVerificationAPI
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Puccini: Suor Angelica: "Suor Angelica ha sempre una ricetta buona" (Suor Angelica)
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Verdi: Un Giorno de Regno
type: MusicAlbum
date published: 2009-02-02

Absolute Masterworks - Opera
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date published: 2013-08-27

Cherubini: Mass in A Major & Chant sur la mort de Haydn
type: MusicAlbum
date published: 2017-01-06

Cherubini, L.: Chant Sur La Mort De Joseph Haydn / Symphony
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date published: 2009-01-01

Ich mag keine Klassik, aber das gefällt mir, Vol. 4
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date published: 2015-09-18
track: Solomon, HWV 37: The Arrival of the Queen of Sheba
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  by artist: Artur Gadzala
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  genre: early-music
  genre: baroque
  genre: english-baroque
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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OpenTimestamps Proof of Existence
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track: Il Barbiere di Siviglia: Ecco, ridente in cielo - Highlights
track: Il Barbiere di Siviglia: Ah! che ne dite? - Highlights
track: Il Barbiere di Siviglia: Ehi, Fiorello? - Highlights
track: Il Barbiere di Siviglia: Largo al factotum
track: Il Barbiere di Siviglia: Ah, ah! che bella vita! - Highlights
track: Il Barbiere di Siviglia: All'idea di quel metallo - Highlights
track: Il Barbiere di Siviglia: Mi par d'esser con la testa - Highlights

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OpenTimestamps Proof of Existence
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10409851
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46e3cb50acf09af0cfe70b4026e0d877922e30b57983eb57735f10da9c5a113f. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10409851.
  date published: 2026-07-06T06:56:49Z
audio: Il Barbiere di Siviglia: Ecco, ridente in cielo - Highlights
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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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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  additional property: Mode Name
    type: PropertyValue
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Il Barbiere di Siviglia: Ah! che ne dite? - Highlights
type: MusicRecording
duration: PT3M15S
duration ms: 195626
explicit: false
by artist: Gioachino Rossini
by artist: Samuel Ramey
by artist: Enzo Dara
by artist: Marilyn Horne
by artist: Leo Nucci
by artist: Paolo Barbacini
by artist: Riccardo Chailly
in album: Rossini: Il barbiere di Siviglia - The Sony Opera House
  type: MusicAlbum
  date published: 1982
genre: classical
genre: opera
isrc code: USSM10409863
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-07T13:37:32+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x9c3aa6a0299f45d0fa91b49c263e1e996f44605cbf0f786384343b6d15c7cd7a
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/USSM10409863
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 0x9c3aa6a0299f45d0fa91b49c263e1e996f44605cbf0f786384343b6d15c7cd7a. 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/USSM10409863.
  date published: 2026-07-08T03:20:19Z
audio: Il Barbiere di Siviglia: Ah! che ne dite? - Highlights
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Il Barbiere di Siviglia: Ehi, Fiorello? - Highlights
type: MusicRecording
duration: PT2M57S
duration ms: 177333
explicit: false
by artist: Gioachino Rossini
by artist: Samuel Ramey
by artist: Enzo Dara
by artist: Marilyn Horne
by artist: Leo Nucci
by artist: Paolo Barbacini
by artist: Riccardo Chailly
in album: Rossini: Il barbiere di Siviglia - The Sony Opera House
  type: MusicAlbum
  date published: 1982
genre: classical
genre: opera
isrc code: USSM10409852
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T05:06:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xab54ecd35ecad90d6f9d4bffa77062bf4d470ab2a4fbd4ede1c220b8cc65c8c8
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10409852
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab54ecd35ecad90d6f9d4bffa77062bf4d470ab2a4fbd4ede1c220b8cc65c8c8. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10409852.
  date published: 2026-07-06T06:56:49Z
audio: Il Barbiere di Siviglia: Ehi, Fiorello? - Highlights
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 139.82
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
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    value: -21.761
  additional property: Key Name
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  additional property: Mode Name
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Il Barbiere di Siviglia: Largo al factotum
type: MusicRecording
duration: PT4M17S
duration ms: 257399
explicit: false
by artist: Gioachino Rossini
by artist: Riccardo Chailly
by artist: Leo Nucci
by artist: Marilyn Horne
by artist: Samuel Ramey
by artist: Enzo Dara
by artist: Paolo Barbacini
by artist: Milan La Scala Chorus
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Rossini: Il barbiere di Siviglia - The Sony Opera House
  type: MusicAlbum
  date published: 1982
genre: classical
genre: opera
isrc code: USSM10409854
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T18:56:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf1f62c55bf67122335020b7c9b6e6e33539a9e39355fb6b7a099df9812c64175
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10409854
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1f62c55bf67122335020b7c9b6e6e33539a9e39355fb6b7a099df9812c64175. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USSM10409854.
  date published: 2026-06-13T13:32:09Z
audio: Il Barbiere di Siviglia: Largo al factotum
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 98.344
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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    value: -17.572
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Il Barbiere di Siviglia: Ah, ah! che bella vita! - Highlights
type: MusicRecording
duration: PT7M3S
duration ms: 423600
explicit: false
by artist: Gioachino Rossini
by artist: Samuel Ramey
by artist: Enzo Dara
by artist: Marilyn Horne
by artist: Leo Nucci
by artist: Paolo Barbacini
by artist: Riccardo Chailly
in album: Rossini: Il barbiere di Siviglia - The Sony Opera House
  type: MusicAlbum
  date published: 1982
genre: classical
genre: opera
isrc code: USSM10409855
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:30:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdd9e6fe5283d50b5c217e19bc1c8f33b58b51ae96ca902aefb2b5e0ffefd9c24
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/USSM10409855
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 0xdd9e6fe5283d50b5c217e19bc1c8f33b58b51ae96ca902aefb2b5e0ffefd9c24. 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/USSM10409855.
  date published: 2026-07-08T03:20:19Z
audio: Il Barbiere di Siviglia: Ah, ah! che bella vita! - Highlights
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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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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  additional property: Mode Name
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Il Barbiere di Siviglia: All'idea di quel metallo - Highlights
type: MusicRecording
duration: PT8M4S
duration ms: 484226
explicit: false
by artist: Gioachino Rossini
by artist: Samuel Ramey
by artist: Enzo Dara
by artist: Marilyn Horne
by artist: Leo Nucci
by artist: Paolo Barbacini
by artist: Riccardo Chailly
in album: Rossini: Il barbiere di Siviglia - The Sony Opera House
  type: MusicAlbum
  date published: 1982
genre: classical
genre: opera
isrc code: USSM10409858
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:28:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb5442373569a74d81986107414aec67239682627712739e28bada12343652598
additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/USSM10409858
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 0xb5442373569a74d81986107414aec67239682627712739e28bada12343652598. 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/USSM10409858.
  date published: 2026-07-08T03:22:41Z
audio: Il Barbiere di Siviglia: All'idea di quel metallo - Highlights
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.392
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Il Barbiere di Siviglia: Mi par d'esser con la testa - Highlights
type: MusicRecording
duration: PT4M38S
duration ms: 278040
explicit: false
by artist: Gioachino Rossini
by artist: Samuel Ramey
by artist: Enzo Dara
by artist: Marilyn Horne
by artist: Leo Nucci
by artist: Paolo Barbacini
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Riccardo Chailly
in album: Rossini: Il barbiere di Siviglia - The Sony Opera House
  type: MusicAlbum
  date published: 1982
genre: classical
genre: opera
isrc code: USSM10409870
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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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/USSM10409870
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 0xb76192d9f62fb76a496769909b2e69af0db3a8eb894909bcd3c45c06b213ec55. 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/USSM10409870.
  date published: 2026-07-08T03:20:19Z
audio: Il Barbiere di Siviglia: Mi par d'esser con la testa - Highlights
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.244
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.35
  additional property: Energy
    type: PropertyValue
    value: 0.389
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.951
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.096
  additional property: Liveness
    type: PropertyValue
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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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Rossini: Der Barbier von Sevilla
type: MusicAlbum
date published: 2011-10-13
track: Il Barbiere di Siviglia: Act I: Piano, pianissimo - Highlights
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177266
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track: Il Barbiere di Siviglia: Ecco, ridente in cielo - Highlights
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    date published: 2026-07-08T03:53:27Z
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  subject of: OpenTimestamps Proof of Existence
  audio: Il Barbiere di Siviglia: Ehi, Fiorello? - Highlights
track: Il Barbiere di Siviglia: Largo al factotum
track: Il Barbiere di Siviglia: Ah, ah! che bella vita! - Highlights
track: Il Barbiere di Siviglia: All'idea di quel metallo - Highlights
track: Il Barbiere di Siviglia: La calunnia è un venticello - Highlights
track: Il Barbiere di Siviglia: Mi par d'esser con la testa - Highlights
track: Il Barbiere di Siviglia: Don Basilio! - Highlights

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T08:56:20Z

Il Barbiere di Siviglia: Ehi, Fiorello? - Highlights
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Il Barbiere di Siviglia: Largo al factotum
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Il Barbiere di Siviglia: Largo al factotum
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Il Barbiere di Siviglia: Ah, ah! che bella vita! - Highlights
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Il Barbiere di Siviglia: Ah, ah! che bella vita! - Highlights
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Il Barbiere di Siviglia: All'idea di quel metallo - Highlights
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Il Barbiere di Siviglia: All'idea di quel metallo - Highlights
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Il Barbiere di Siviglia: La calunnia è un venticello - Highlights
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Il Barbiere di Siviglia: La calunnia è un venticello - Highlights
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Il Barbiere di Siviglia: Mi par d'esser con la testa - Highlights
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Il Barbiere di Siviglia: Mi par d'esser con la testa - Highlights
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Il Barbiere di Siviglia: Don Basilio! - Highlights
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Il Barbiere di Siviglia: Don Basilio! - Highlights
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Verdi: I Vespri siciliani
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T05:09:12Z
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track: I Vespri Siciliani, Act I: Qual s'offre al mio sguardo del ciel vaga stella? (Vaudemont/Bethune/Danieli/Elena/Roberto/Tebaldo/Ninetta)
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: I Vespri Siciliani, Act I: D'ira fremo all'aspetto (Elena/Ninetta/Danieli/Monforte)
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  subject of: OpenTimestamps Proof of Existence
  audio: I Vespri Siciliani, Act I: D'ira fremo all'aspetto (Elena/Ninetta/Danieli/Monforte)
track: I Vespri Siciliani, ATTO TERZO/ACT 3/DRITTER AKT/TROISIEME ACTE: Secondo Ballabile - La Primavera (Orchestra)
track: I Vespri Siciliani, Act II: Presso alla tomba ch'apresi (Elena/Arrigo)

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
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date published: 2026-07-08T03:20:19Z

I Vespri Siciliani, Act I: D'ira fremo all'aspetto (Elena/Ninetta/Danieli/Monforte)
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I Vespri Siciliani, ATTO TERZO/ACT 3/DRITTER AKT/TROISIEME ACTE: Secondo Ballabile - La Primavera (Orchestra)
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genre: classical
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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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  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
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  date published: 2026-07-08T03:53:27Z
audio: I Vespri Siciliani, ATTO TERZO/ACT 3/DRITTER AKT/TROISIEME ACTE: Secondo Ballabile - La Primavera (Orchestra)
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Opera for Lovers - Romantic Duets - Sony Classical Masters
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Giacomo Puccini: Gianni Schicchi - Crisantemi - 6 Piano Works (Live)
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Paisiello: Don Chisciotte della Mancia
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