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Symphony in E Minor: III. Intermezzo e trio
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Madama Butterfly, Act I: Amore o grillo
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Madama Butterfly, Act III: Non ve l'avevo detto?
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Leoncavallo / Franchetti
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Opera Arias (Baritone): Luca, Giuseppe De - Cilea, F. / Massenet, J. / Donizetti, G. / Verdi, G. / Thomas, A. (Opera Highlights, Vol. 1)
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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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Gastaldon: Romanza italiana
type: MusicAlbum
date published: 2013-05-31

Christmas BAM Music Mix
type: MusicAlbum
date published: 2020-12-11

Enrico Caruso - The Complete Victor Recordings
type: MusicAlbum
date published: 1990
track: La Favorita: Act IV: Spirto gentil, ne' sogni miei (Romanza)
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10100263
  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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70507634ad0b33e9c2a695d207eda63b4a03a3014152e017a4283352873fc5fa. 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/USBC10100263.
    date published: 2026-07-08T03:20:19Z
  audio: La Favorita: Act IV: Spirto gentil, ne' sogni miei (Romanza)
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track: Rigoletto (1904 Recording): Act IV: La donna è mobile
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  by artist: Enrico Caruso
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    type: MusicAlbum
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  genre: classical
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
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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
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x321205b60881ca8a59d6e7940699cbccc1277583b96e4ac7d19137d6aa89b712. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10402443.
    date published: 2026-07-02T05:09:12Z
  audio: Rigoletto (1904 Recording): Act IV: La donna è mobile
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  by artist: Giuseppe Verdi
  by artist: Enrico Caruso
  in album: Enrico Caruso - The Complete Victor Recordings
    type: MusicAlbum
    date published: 1990
  genre: classical
  genre: opera
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  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: La forza del destino: Act III: Solenne in quest'ora
track: Rigoletto (1908 Recording): Act I: Questa o quella
track: L'elisir d'amore: Act II: Una furtiva lagrima ... Un solo instante
track: Tosca (1904 Recording): Act III: E lucevan le stelle
track: Tosca (1904 Recording): Act I: Recondita armonia
track: Cavalleria rusticana (1904 Recording): O Lola (Siciliana)
track: Pour un baiser
track: I Pagliacci (Remastered): Act I: Recitar! mentre preso dal delirio ... Vesti la giubba
track: Andrea Chénier: Act I: Un dì all'azzurro spazio (Improvviso)
track: Don Pasquale: Act III: Com'è gentil (Serenata)
track: I Pagliacci: Act I: Recitar! mentre preso dal delirio... Vesti la giubba
track: Gli Ugonotti (Les Huguenots) (Remastered): Act I: Ah, qual soave vision ... Bianca al par di neve
track: Aida: Act IV: O terra addio
track: Cavalleria rusticana: Intanto amici ... Viva il vino (Brindisi)
track: Don Sebastiano: Act II: Deserto in terra
track: La Bohème: Act I: Che gelida manina
track: Madama Butterfly: Act I: Un po' di vero c'è ... Oh quanti occhi fisi

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10402458

OTSTimestamp
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f4373485818a5ab957b41cc6c15db99377521b5e0f175f7e903f0df01b62da0. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10402458.
date published: 2026-07-08T03:53:27Z

La forza del destino: Act III: Solenne in quest'ora
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additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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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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Rigoletto (1908 Recording): Act I: Questa o quella
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duration: PT2M0S
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by artist: Giuseppe Verdi
by artist: Enrico Caruso
in album: Enrico Caruso - The Complete Victor Recordings
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genre: classical
genre: opera
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additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67b1360309e41b368a53a47277355e877d2d66134e5c2fb57ba194d08b8a2ebc. 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/USBC10300002.
  date published: 2026-07-08T03:22:41Z
audio: Rigoletto (1908 Recording): Act I: Questa o quella
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  additional property: Mode (Major/Minor)
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L'elisir d'amore: Act II: Una furtiva lagrima ... Un solo instante
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duration: PT5M23S
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by artist: Enrico Caruso
in album: Enrico Caruso - The Complete Victor Recordings
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genre: opera
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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
  type: PropertyValue
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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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1bdca5db9b293fc7acccb7ac7eb7fe746d3d5edf7aec06723b147ae9669ad5c. 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/USBC10402444.
  date published: 2026-06-13T13:32:09Z
audio: L'elisir d'amore: Act II: Una furtiva lagrima ... Un solo instante
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Acousticness
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Tosca (1904 Recording): Act III: E lucevan le stelle
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duration: PT2M34S
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by artist: Enrico Caruso
in album: Enrico Caruso - The Complete Victor Recordings
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additional property: CopyrightID
additional property: CopyrightStatus
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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
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10402446
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: 2026-07-02T03:55:08Z
audio: Tosca (1904 Recording): Act III: E lucevan le stelle
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Tosca (1904 Recording): Act I: Recondita armonia
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duration ms: 155160
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by artist: Giacomo Puccini
by artist: Enrico Caruso
in album: Enrico Caruso - The Complete Victor Recordings
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additional property: CopyrightID
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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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
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Cavalleria rusticana (1904 Recording): O Lola (Siciliana)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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Pour un baiser
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Pour un baiser
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I Pagliacci (Remastered): Act I: Recitar! mentre preso dal delirio ... Vesti la giubba
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-21T21:39:45Z
audio: I Pagliacci (Remastered): Act I: Recitar! mentre preso dal delirio ... Vesti la giubba
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Andrea Chénier: Act I: Un dì all'azzurro spazio (Improvviso)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Andrea Chénier: Act I: Un dì all'azzurro spazio (Improvviso)
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Don Pasquale: Act III: Com'è gentil (Serenata)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Don Pasquale: Act III: Com'è gentil (Serenata)
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I Pagliacci: Act I: Recitar! mentre preso dal delirio... Vesti la giubba
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audio: I Pagliacci: Act I: Recitar! mentre preso dal delirio... Vesti la giubba
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Gli Ugonotti (Les Huguenots) (Remastered): Act I: Ah, qual soave vision ... Bianca al par di neve
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subject of: OpenTimestamps Proof of Existence
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Aida: Act IV: O terra addio
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Cavalleria rusticana: Intanto amici ... Viva il vino (Brindisi)
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subject of: OpenTimestamps Proof of Existence
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Don Sebastiano: Act II: Deserto in terra
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La Bohème: Act I: Che gelida manina
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Madama Butterfly: Act I: Un po' di vero c'è ... Oh quanti occhi fisi
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Baritones
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Best Piano Collection for Christmas
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Il mito dell'opera: Domenico Viglione-Borghese
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Rare Records of Famous Tenors, Vol. 3 (1905-1930)
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Franchetti: Symphony & Nella Foresta Nera - Wolf-Ferrari: Sinfonia da camera
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The Symposium Opera Collection, Vol. 18 (1906-1927)
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The Record of Singing, Vol. 2, Pt. 5
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Pasquale Amato
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Opera Arias and Songs
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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
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track: Mi par d'udir ancora
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  by artist: Enrico Caruso
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T15:41:10Z
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Verismo
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date published: 1999-08-13
track: Loreley : "Nel verde maggio"
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  by artist: Alexia Benoit-Sarteur
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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: Loreley : "Nel verde maggio"
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track: Giordano : Andrea Chénier : Act 4 "Come un bel dì di maggio" [Andrea Chénier]
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
  audio: Giordano : Andrea Chénier : Act 4 "Come un bel dì di maggio" [Andrea Chénier]
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Opera Arias and Songs (Milan 1902 - 1904)
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date published: 2008-09-05
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
  audio: Leoncavallo: Mattinata
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The Legendary Caruso
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date published: 1999-02-01
track: Mi par d'udir ancora
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T06:56:49Z
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Enrico Caruso, Vol. 2
type: MusicAlbum
date published: 1965-04-15

Opera Arias and Melodies. Milano 1902-1904
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date published: 2021-07-30

The Harold Wayne Collection, Vol. 3 (1902-1907)
type: MusicAlbum
date published: 2011-01-04

The Harold Wayne Collection, Vol. 11 (1902-1903)
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date published: 2011-01-04

Italian Sopranos
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date published: 2017-09-18

Pasquale Amato (Recorded 1911 - 1914)
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Organo Carlo Vegezzi-Bossi 1891, Chiesa di San Francesco, Tonengo di Mazzè (TO)”
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The Harold Wayne Collection, Vol. 19 (1905-1911)
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The Harold Wayne Collection, Vol. 24 (1904-1908)
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