Pietro Spagnoli
type: MusicGroup
genre: opera
description: Pietro Spagnoli (born 22 January 1964 in Rome) is an Italian operatic baritone. In the 2013/14 season, he sang Sulpice Pingot in Donizetti's La Fille du régiment at The Royal Opera, having made his de
popularity: 15
followers: 194
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album: Mascagni: Messa di Gloria
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  date published: 2014-08-01
  track: Messa di Gloria: Gloria. Quoniam (Tenor, Bass, Chorus)
  track: Messa di Gloria: Credo. Et incarnatus (Tenor, Chorus)
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  track: Messa di Gloria: Kyrie (Tenor, Bass, Chorus)
  track: Messa di Gloria: Gloria. Domine Deus (Tenor, Bass)
  track: Messa di Gloria: Gloria. Qui sedes (Bass)
  track: Messa di Gloria: Agnus Dei (Tenor, Bass, Chorus)
album: Handel: Tolomeo
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  track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Numi, pietà!
  track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Mi volgo ad ogni fronda
  track: Tolomeo, Re d'Egitto HWV 25 / Act 3: Aria: Ti pentirai, crudel
  track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: O cari agli occhi miei
  track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Se talor miri un fior
  track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Conosco ben
  track: Tolomeo, Re d'Egitto HWV 25 / Act 2: Aria: Piangi pur
  track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: V'è ancor qualche martire
  track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Quest'è pur Cipro
  track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Ma! quel pastor - Delia ad un pastor
  track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Respira almen un poco
album: Paisiello: Barbiere Di Siviglia (Il)
album: René Jacobs by Himself
album: Donizetti: Francesca di Foix
album: Donizetti: Elvida
album: Rossini: Highlights from his early One-Act Operas
album: Donizetti: Chiara e Serafina, A. 8 (Live)
album: Rossini: Tancredi
album: Donizetti : L'elisir d'amore [Highlights] (Apex)
album: Donizetti : L'elisir d'amore
album: Rossini: Il Signor Bruschino, Early One-Act Operas, Vol. 1/5
album: Piccinni: La Cecchina o sia La buona figliola
album: Girolamo Frescobaldi: Fiori Musicali
album: Mozart: Così fan tutte
album: G. Carissimi: Oratorio della SS. Vergine - Oratorio di Daniele Profeta
album: Perti: San Petronio
album: Händel: Giulio Cesare

Messa di Gloria: Gloria. Quoniam (Tenor, Bass, Chorus)
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  date published: 2026-07-08T03:53:27Z
audio: Messa di Gloria: Gloria. Quoniam (Tenor, Bass, Chorus)
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Messa di Gloria: Kyrie (Tenor, Bass, Chorus)
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Messa di Gloria: Gloria. Domine Deus (Tenor, Bass)
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Messa di Gloria: Gloria. Qui sedes (Bass)
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genre: opera
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  date published: 2026-07-31T19:53:13Z
audio: Messa di Gloria: Gloria. Qui sedes (Bass)
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Messa di Gloria: Agnus Dei (Tenor, Bass, Chorus)
type: MusicRecording
duration: PT3M23S
duration ms: 203306
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by artist: Pietro Mascagni
by artist: Ensemble Seicentonovecento
by artist: Flavio Colusso
by artist: Ensemble Seicentonovecento Chorus
by artist: Iorio Zennaro
by artist: Pietro Spagnoli
in album: Mascagni: Messa di Gloria
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  date published: 2014-08-01
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T13:04:34Z
audio: Messa di Gloria: Agnus Dei (Tenor, Bass, Chorus)
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Tolomeo, Re d'Egitto HWV 25 / Act 2: Aria: Piangi pur
type: MusicRecording
duration: PT2M30S
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by artist: George Frideric Handel
by artist: Pietro Spagnoli
by artist: Il Complesso Barocco
by artist: Alan Curtis
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genre: classical
genre: early-music
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T08:56:20Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 2: Aria: Piangi pur
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Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Quest'è pur Cipro
type: MusicRecording
duration: PT1M44S
duration ms: 104120
explicit: false
by artist: George Frideric Handel
by artist: Karina Gauvin
by artist: Pietro Spagnoli
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
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  date published: 2008-01-01
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T23:30:38Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Quest'è pur Cipro
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Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Ma! quel pastor - Delia ad un pastor
type: MusicRecording
duration: PT2M24S
duration ms: 144933
explicit: false
by artist: George Frideric Handel
by artist: Karina Gauvin
by artist: Pietro Spagnoli
by artist: Ann Hallenberg
by artist: Il Complesso Barocco
by artist: Alan Curtis
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genre: classical
genre: early-music
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  date published: 2026-07-31T21:25:57Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Ma! quel pastor - Delia ad un pastor
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additional property: OTSVerifyInstructions
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Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Respira almen un poco
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duration: PT2M48S
duration ms: 168680
explicit: false
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by artist: Pietro Spagnoli
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
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genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x235c6087bdae754808df43337a6c8faf84df15c7183f6b83c0ee4e0797711800. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/DEN960632218.
  date published: 2026-07-31T23:51:35Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Respira almen un poco
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Donizetti: L'elisir d'amore, Act 1: "Come Paride vezzoso" - "Intanto, o mia ragazza" (Belcore, Adina, Giannetta, Nemorino, Coro)
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duration: PT7M37S
duration ms: 457600
explicit: false
by artist: Gaetano Donizetti
by artist: Marcello Viotti
by artist: Francesca Provvisionato
by artist: Mariella Devia
by artist: Pietro Spagnoli
by artist: Roberto Alagna
by artist: Tallis Chamber Choir
by artist: English Chamber Orchestra
in album: Donizetti : L'elisir d'amore
  type: MusicAlbum
  date published: 1993
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T16:33:26Z
audio: Donizetti: L'elisir d'amore, Act 1: "Come Paride vezzoso" - "Intanto, o mia ragazza" (Belcore, Adina, Giannetta, Nemorino, Coro)
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additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209201020
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960435
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960435
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T16:33:26+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Donizetti: L'elisir d'amore, Act 2: "Cantiamo, facciam brindisi" (Belcore, Dulcamara, Giannetta, Adina, Coro)
type: MusicRecording
duration: PT2M14S
duration ms: 134733
explicit: false
by artist: Gaetano Donizetti
by artist: Marcello Viotti
by artist: Bruno Praticò
by artist: Francesca Provvisionato
by artist: Mariella Devia
by artist: Pietro Spagnoli
by artist: Tallis Chamber Choir
by artist: English Chamber Orchestra
in album: Donizetti : L'elisir d'amore
  type: MusicAlbum
  date published: 1993
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c78cfc2c3a3ee926c973bc7819f5440d8feb15043ffb939c74e4e2cc92c3a5f. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/FRZ209201027.
  date published: 2026-07-31T18:48:12Z
audio: Donizetti: L'elisir d'amore, Act 2: "Cantiamo, facciam brindisi" (Belcore, Dulcamara, Giannetta, Adina, Coro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.29
  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: 0.576
  additional property: Energy
    type: PropertyValue
    value: 0.207
  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
    value: 0.069
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.485
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.593
  additional property: Key Name
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    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ209201027
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960448
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T18:48:12+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209201027
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960448
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960448
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Così fan tutte, K. 588: Act 1: Terzetto "La Mia Dorabella"
type: MusicRecording
duration: PT1M53S
duration ms: 113333
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Pietro Spagnoli
by artist: Marcel Boone
by artist: Werner Güra
by artist: René Jacobs
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
isrc code: FRZ149813020
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T07:10:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe47a0a6c76721ac54d63fd24b4066460e9f7982f1ee1235cc1693d406f5e666d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149813020
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe47a0a6c76721ac54d63fd24b4066460e9f7982f1ee1235cc1693d406f5e666d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/FRZ149813020.
  date published: 2026-07-02T03:55:08Z
audio: Così fan tutte, K. 588: Act 1: Terzetto "La Mia Dorabella"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.611
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.479
  additional property: Energy
    type: PropertyValue
    value: 0.213
  additional property: Speechiness
    type: PropertyValue
    value: 0.149
  additional property: Acousticness
    type: PropertyValue
    value: 0.942
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.482
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.566
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.724
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Così fan tutte, K. 588: Act 1: "Cosa Serve?" - Aria Ferrando "Un'aura Amorosa"
type: MusicRecording
duration: PT4M58S
duration ms: 298400
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Pietro Spagnoli
by artist: Werner Güra
by artist: René Jacobs
by artist: Marcel Boone
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
isrc code: FRZ149814020
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:05:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x56615c79cd89e4e3e06cdf673a0a38c0f9826383b7ac65405d8443bc0e77c539
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/FRZ149814020
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56615c79cd89e4e3e06cdf673a0a38c0f9826383b7ac65405d8443bc0e77c539. 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/FRZ149814020.
  date published: 2026-07-08T03:20:19Z
audio: Così fan tutte, K. 588: Act 1: "Cosa Serve?" - Aria Ferrando "Un'aura Amorosa"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.748
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.28
  additional property: Energy
    type: PropertyValue
    value: 0.042
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.265
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.05
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.852
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Così fan tutte, K. 588: Act 1: Finale, Atto Primo "Ah, Che Tutta In un Momento" - "Si Mora"
type: MusicRecording
duration: PT7M35S
duration ms: 455066
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Graciela Oddone
by artist: Véronique Gens
by artist: Marcel Boone
by artist: René Jacobs
by artist: Bernarda Fink
by artist: Werner Güra
by artist: Pietro Spagnoli
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
isrc code: FRZ149814040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T18:25:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x97318117e31a3d2c5c07721f1b342820e75d632f97a66213840cebd4182f627a
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/FRZ149814040
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97318117e31a3d2c5c07721f1b342820e75d632f97a66213840cebd4182f627a. 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/FRZ149814040.
  date published: 2026-07-08T03:20:19Z
audio: Così fan tutte, K. 588: Act 1: Finale, Atto Primo "Ah, Che Tutta In un Momento" - "Si Mora"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.966
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.417
  additional property: Energy
    type: PropertyValue
    value: 0.096
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.441
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.154
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.12
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Così fan tutte, K. 588: Act 1: "Da Soldati D'onore" - Terzetto "Una Bella Serenata"
type: MusicRecording
duration: PT2M27S
duration ms: 147333
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Marcel Boone
by artist: Werner Güra
by artist: René Jacobs
by artist: Pietro Spagnoli
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
isrc code: FRZ149813050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:36:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8a2d14b0b55af9100e016aa769a2c925c0cbfece8d6dd0f79f216322a964d49c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957819
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957819
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149813050
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-13T07:53:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957819
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-13T07:53:33+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a2d14b0b55af9100e016aa769a2c925c0cbfece8d6dd0f79f216322a964d49c. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/FRZ149813050.
  date published: 2026-07-13T07:53:33Z
audio: Così fan tutte, K. 588: Act 1: "Da Soldati D'onore" - Terzetto "Una Bella Serenata"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.571
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.468
  additional property: Energy
    type: PropertyValue
    value: 0.285
  additional property: Speechiness
    type: PropertyValue
    value: 0.097
  additional property: Acousticness
    type: PropertyValue
    value: 0.919
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.339
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.527
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.766
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Così fan tutte, K. 588: Act 1: "Dammi un Bacio"
type: MusicRecording
duration: PT3M22S
duration ms: 202400
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Marcel Boone
by artist: Graciela Oddone
by artist: Bernarda Fink
by artist: René Jacobs
by artist: Véronique Gens
by artist: Werner Güra
by artist: Pietro Spagnoli
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
isrc code: FRZ149814070
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T18:32:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0de4fd589f2fedbf733ef1242ccc1d4b6d17876099ff218ddfca9c9b8c398b27
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/FRZ149814070
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0de4fd589f2fedbf733ef1242ccc1d4b6d17876099ff218ddfca9c9b8c398b27. 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/FRZ149814070.
  date published: 2026-07-08T03:22:41Z
audio: Così fan tutte, K. 588: Act 1: "Dammi un Bacio"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.922
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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
    value: 0.476
  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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    value: 0.948
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
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    value: 0.051
  additional property: Valence (Positivity)
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    value: 0.49
  additional property: Loudness (dB)
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    value: -19.406
  additional property: Key Name
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    value: D
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    value: Major

Così fan tutte, K. 588: Act 2: Duetto "Prenderò Quel Brunettino" - Recitativo "Ah Correte Al Giardino"
type: MusicRecording
duration: PT3M11S
duration ms: 191733
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Pietro Spagnoli
by artist: René Jacobs
by artist: Véronique Gens
by artist: Bernarda Fink
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
isrc code: FRZ149814110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:48:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb295e1fb14295280412d25870f5c15d3f05b69939f544040225e8ba2f8ef4a8a
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/FRZ149814110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb295e1fb14295280412d25870f5c15d3f05b69939f544040225e8ba2f8ef4a8a. 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/FRZ149814110.
  date published: 2026-07-08T03:20:19Z
audio: Così fan tutte, K. 588: Act 2: Duetto "Prenderò Quel Brunettino" - Recitativo "Ah Correte Al Giardino"
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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
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.217
  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Così fan tutte, K. 588: Act 2: "Tutti Accusan Le Donne" - Recitativo "Vittoria Padroncini!"
type: MusicRecording
duration: PT1M38S
duration ms: 98800
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Marcel Boone
by artist: Werner Güra
by artist: Pietro Spagnoli
by artist: Graciela Oddone
by artist: René Jacobs
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
isrc code: FRZ149815110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:31:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1c9a815eb721846c7edbcaf88d02c391fd81a244f6e9d0baee033c7c2f904c62
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/FRZ149815110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c9a815eb721846c7edbcaf88d02c391fd81a244f6e9d0baee033c7c2f904c62. 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/FRZ149815110.
  date published: 2026-07-08T03:20:19Z
audio: Così fan tutte, K. 588: Act 2: "Tutti Accusan Le Donne" - Recitativo "Vittoria Padroncini!"
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  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.153
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
    value: 0.078
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.453
  additional property: Loudness (dB)
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    value: -26.284
  additional property: Key Name
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  additional property: Mode Name
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Così fan tutte, K. 588: Act 1: "Faccia Che Al Campo Giunga" - Terzettino "Soave Sia Il Vento"
type: MusicRecording
duration: PT3M34S
duration ms: 214933
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Véronique Gens
by artist: Bernarda Fink
by artist: Pietro Spagnoli
by artist: René Jacobs
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
isrc code: FRZ149813120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:39:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4bf6fd1ffe4e60c167df6f67d757fa9a5adac991db441130df034390a11324a2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149813120
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bf6fd1ffe4e60c167df6f67d757fa9a5adac991db441130df034390a11324a2. 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/FRZ149813120.
  date published: 2026-07-02T05:09:12Z
audio: Così fan tutte, K. 588: Act 1: "Faccia Che Al Campo Giunga" - Terzettino "Soave Sia Il Vento"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 163.453
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.117
  additional property: Energy
    type: PropertyValue
    value: 0.047
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.529
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Così fan tutte, K. 588: Act 2: Duetto Con Coro Guglielmo, Ferrando "Secondate, Aurette Amiche" - Recitativo "Il Tutto Deponete"
type: MusicRecording
duration: PT3M45S
duration ms: 225200
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Pietro Spagnoli
by artist: Graciela Oddone
by artist: Kölner Kammerchor
by artist: Werner Güra
by artist: Bernarda Fink
by artist: René Jacobs
by artist: Marcel Boone
by artist: Véronique Gens
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
isrc code: FRZ149814120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:52:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc3abb627a03ab9b7a5f4fbb969b9dc90c4241c07a7b8a60bd5ddcab18addeb52
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/FRZ149814120
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3abb627a03ab9b7a5f4fbb969b9dc90c4241c07a7b8a60bd5ddcab18addeb52. 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/FRZ149814120.
  date published: 2026-07-08T03:20:19Z
audio: Così fan tutte, K. 588: Act 2: Duetto Con Coro Guglielmo, Ferrando "Secondate, Aurette Amiche" - Recitativo "Il Tutto Deponete"
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  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.231
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.725
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.189
  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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Così fan tutte, K. 588: Act 1: Recitativo "Che Silenzio!"
type: MusicRecording
duration: PT2M54S
duration ms: 174400
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Graciela Oddone
by artist: Pietro Spagnoli
by artist: René Jacobs
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
isrc code: FRZ149813180
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:23:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x17ee6e24af821e096fae13f77e6d9e36f5bb07e36a2ad82f495e2ff9ea77cddb
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/FRZ149813180
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17ee6e24af821e096fae13f77e6d9e36f5bb07e36a2ad82f495e2ff9ea77cddb. 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/FRZ149813180.
  date published: 2026-07-08T03:20:19Z
audio: Così fan tutte, K. 588: Act 1: Recitativo "Che Silenzio!"
  type: AudioObject
  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
    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
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.283
  additional property: Loudness (dB)
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  additional property: Key Name
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Così fan tutte, K. 588: Act 1: Terzetto "È la Fede Delle Femmine" - Recitativo "Scioccherie Di Poeti!"
type: MusicRecording
duration: PT2M11S
duration ms: 131066
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Werner Güra
by artist: Pietro Spagnoli
by artist: René Jacobs
by artist: Marcel Boone
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dfa3c93bf3283b4d96d49eeeec295994ec9a3c633353d428466545ac0ac46ae. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/FRZ149813040.
  date published: 2026-07-22T12:33:25Z
audio: Così fan tutte, K. 588: Act 1: Terzetto "È la Fede Delle Femmine" - Recitativo "Scioccherie Di Poeti!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.105
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.55
  additional property: Energy
    type: PropertyValue
    value: 0.186
  additional property: Speechiness
    type: PropertyValue
    value: 0.221
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.284
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.438
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.771
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ149813040
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Così fan tutte, K. 588: Act 1: Aria Guglielmo "Non Siate Ritrosi" - Terzetto "E Voi Ridete?" - Recitativo "Si Può Sapere"
type: MusicRecording
duration: PT3M19S
duration ms: 199333
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Marcel Boone
by artist: René Jacobs
by artist: Werner Güra
by artist: Pietro Spagnoli
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x678a6cf18fa2cd0080174cd712edfdae27d5a0b50cd94c968df53a644d4a0a12. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), 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/FRZ149814010.
  date published: 2026-07-30T02:30:29Z
audio: Così fan tutte, K. 588: Act 1: Aria Guglielmo "Non Siate Ritrosi" - Terzetto "E Voi Ridete?" - Recitativo "Si Può Sapere"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.849
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.433
  additional property: Energy
    type: PropertyValue
    value: 0.166
  additional property: Speechiness
    type: PropertyValue
    value: 0.247
  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.223
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.524
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.118
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FRZ149814010
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960199
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T02:30:29+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149814010
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960199
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960199
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T02:30:29+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Così fan tutte, K. 588: Act 1: Recitativo "Fuor' la Spada"
type: MusicRecording
duration: PT1M3S
duration ms: 63333
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Pietro Spagnoli
by artist: René Jacobs
by artist: Marcel Boone
by artist: Werner Güra
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b9bcc2ef32079a7488b049fce6cd070570ad6fda23b2f210a1a9bbb1e3f04d2. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/FRZ149813030.
  date published: 2026-07-29T13:09:35Z
audio: Così fan tutte, K. 588: Act 1: Recitativo "Fuor' la Spada"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.08
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.61
  additional property: Energy
    type: PropertyValue
    value: 0.174
  additional property: Speechiness
    type: PropertyValue
    value: 0.312
  additional property: Acousticness
    type: PropertyValue
    value: 0.927
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.62
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.416
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.441
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ149813030
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960108
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T13:09:35+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149813030
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960108
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960108
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T13:09:35+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Così fan tutte, K. 588: Act 1: Recitativo "Oh la Saria Da Ridere"
type: MusicRecording
duration: PT2M36S
duration ms: 156933
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Graciela Oddone
by artist: Pietro Spagnoli
by artist: René Jacobs
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad8a7ce37b695d2c47f14a20bddb1e3fbaea58f4d034dfeb6141c2935c1da30e. Chain 2 (Bitcoin): anchored in block 960183 (2026-07-30T01:10:20Z), 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/FRZ149814030.
  date published: 2026-07-30T01:10:20Z
audio: Così fan tutte, K. 588: Act 1: Recitativo "Oh la Saria Da Ridere"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.492
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.488
  additional property: Energy
    type: PropertyValue
    value: 0.06
  additional property: Speechiness
    type: PropertyValue
    value: 0.3
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.465
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.413
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.224
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ149814030
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960183
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T01:10:20+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149814030
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960183
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960183
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T01:10:20+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Così fan tutte, K. 588: Act 1: "Eccovi Il Medico"
type: MusicRecording
duration: PT2M59S
duration ms: 179466
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Bernarda Fink
by artist: Véronique Gens
by artist: Pietro Spagnoli
by artist: René Jacobs
by artist: Werner Güra
by artist: Marcel Boone
by artist: Graciela Oddone
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45f3dbe50dd8218159fb5106022f7353c48770a416e20011c0e1f5d3f6c51fa5. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149814050.
  date published: 2026-07-30T03:35:13Z
audio: Così fan tutte, K. 588: Act 1: "Eccovi Il Medico"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.466
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.458
  additional property: Energy
    type: PropertyValue
    value: 0.137
  additional property: Speechiness
    type: PropertyValue
    value: 0.106
  additional property: Acousticness
    type: PropertyValue
    value: 0.945
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.14
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.332
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.836
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ149814050
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960203
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T03:35:13+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149814050
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960203
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960203
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T03:35:13+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Così fan tutte, K. 588: Act 2: Recitativo "In Qual Fiero Contrasto"
type: MusicRecording
duration: PT1M34S
duration ms: 94933
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Marcel Boone
by artist: Pietro Spagnoli
by artist: Werner Güra
by artist: René Jacobs
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4951a7e2e79b422d6295ae064a756f4ec44c7dba0f20d0b4805b2814e701cd02. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/FRZ149815050.
  date published: 2026-07-31T05:17:02Z
audio: Così fan tutte, K. 588: Act 2: Recitativo "In Qual Fiero Contrasto"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.986
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.417
  additional property: Energy
    type: PropertyValue
    value: 0.053
  additional property: Speechiness
    type: PropertyValue
    value: 0.095
  additional property: Acousticness
    type: PropertyValue
    value: 0.911
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.122
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.129
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.454
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FRZ149815050
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960348
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T05:17:02+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149815050
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960348
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960348
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T05:17:02+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Così fan tutte, K. 588: Act 1: "Dove Son?"
type: MusicRecording
duration: PT3M58S
duration ms: 238000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Bernarda Fink
by artist: Véronique Gens
by artist: René Jacobs
by artist: Graciela Oddone
by artist: Marcel Boone
by artist: Pietro Spagnoli
by artist: Werner Güra
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3927f9c61a97e00d346cbdef29508d3f7d10c825bd7862488f9430e7bb4f22b6. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149814060.
  date published: 2026-07-30T12:45:34Z
audio: Così fan tutte, K. 588: Act 1: "Dove Son?"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.328
  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: 0.365
  additional property: Energy
    type: PropertyValue
    value: 0.075
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.391
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.142
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.555
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ149814060
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960258
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T12:45:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149814060
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960258
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960258
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T12:45:34+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Così fan tutte, K. 588: Act 2: Cavatina "Tradito, Schernito" - Recitativo "Bravo, Questa È Costanza" - Recitativo "Ora Vedo Che Siete"
type: MusicRecording
duration: PT6M8S
duration ms: 368533
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Marcel Boone
by artist: Bernarda Fink
by artist: Pietro Spagnoli
by artist: Werner Güra
by artist: Véronique Gens
by artist: Graciela Oddone
by artist: René Jacobs
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a0f99b1aadf07b67d713dc8f133052ecbf29af89fba0d34f5010488ecf7890e. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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/FRZ149815060.
  date published: 2026-07-30T10:42:33Z
audio: Così fan tutte, K. 588: Act 2: Cavatina "Tradito, Schernito" - Recitativo "Bravo, Questa È Costanza" - Recitativo "Ora Vedo Che Siete"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 159.96
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.422
  additional property: Energy
    type: PropertyValue
    value: 0.095
  additional property: Speechiness
    type: PropertyValue
    value: 0.208
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.533
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.23
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.407
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ149815060
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960247
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T10:42:33+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149815060
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960247
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960247
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T10:42:33+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Così fan tutte, K. 588: Act 1: Recitativo "Mi Par, Che Stamattina" - Aria Don Alfonso "Vorrei Dir" - Recitativo "Stelle! Per Carità"
type: MusicRecording
duration: PT2M59S
duration ms: 179200
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: René Jacobs
by artist: Véronique Gens
by artist: Bernarda Fink
by artist: Pietro Spagnoli
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe28193153b7d8478a69189d44e8a1dd45118ab2c40ddf28aa7ca54012f3ecec3. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/FRZ149813070.
  date published: 2026-07-29T14:28:24Z
audio: Così fan tutte, K. 588: Act 1: Recitativo "Mi Par, Che Stamattina" - Aria Don Alfonso "Vorrei Dir" - Recitativo "Stelle! Per Carità"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.168
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.545
  additional property: Energy
    type: PropertyValue
    value: 0.058
  additional property: Speechiness
    type: PropertyValue
    value: 0.183
  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.25
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.196
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.87
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ149813070
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960117
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T14:28:24+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149813070
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960117
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960117
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T14:28:24+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Così fan tutte, K. 588: Act 1: Quintetto "Sento, O Dio"
type: MusicRecording
duration: PT4M15S
duration ms: 255866
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Marcel Boone
by artist: René Jacobs
by artist: Bernarda Fink
by artist: Véronique Gens
by artist: Werner Güra
by artist: Pietro Spagnoli
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99def561c6e56d51fbfb618c8cde344ffd99e785e15525946c3bb5ec8764d535. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), 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/FRZ149813080.
  date published: 2026-07-29T15:38:18Z
audio: Così fan tutte, K. 588: Act 1: Quintetto "Sento, O Dio"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.533
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.403
  additional property: Energy
    type: PropertyValue
    value: 0.112
  additional property: Speechiness
    type: PropertyValue
    value: 0.076
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.173
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.411
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ149813080
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960125
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T15:38:18+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149813080
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960125
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960125
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T15:38:18+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Così fan tutte, K. 588: Act 1: Recitativo "Non Pianger" - Duettino Guglielmo, Ferrando "Al Fato Dàn Legge" - Recitativo "La Commedia È Graziosa"
type: MusicRecording
duration: PT2M58S
duration ms: 178000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Véronique Gens
by artist: Marcel Boone
by artist: Pietro Spagnoli
by artist: Werner Güra
by artist: Bernarda Fink
by artist: René Jacobs
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3eaaa236d76f44119ef926854ed53bd2602e09d82a50cd11db033d522d9358d. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/FRZ149813090.
  date published: 2026-07-29T21:09:47Z
audio: Così fan tutte, K. 588: Act 1: Recitativo "Non Pianger" - Duettino Guglielmo, Ferrando "Al Fato Dàn Legge" - Recitativo "La Commedia È Graziosa"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.049
  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: 0.365
  additional property: Energy
    type: PropertyValue
    value: 0.075
  additional property: Speechiness
    type: PropertyValue
    value: 0.079
  additional property: Acousticness
    type: PropertyValue
    value: 0.96
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.218
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.166
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.274
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ149813090
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960144
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T21:09:47+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149813090
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960144
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960144
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T21:09:47+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Così fan tutte, K. 588: Act 1: Coro "Bella Vita Militar!" - Recitativo "Non V'è Più Tempo"
type: MusicRecording
duration: PT1M56S
duration ms: 116533
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Pietro Spagnoli
by artist: Bernarda Fink
by artist: Werner Güra
by artist: Kölner Kammerchor
by artist: René Jacobs
by artist: Véronique Gens
by artist: Marcel Boone
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd0d884b2f99d6c7f398915bca2498fb4814ed20f3d89992cacf2a838a1e148a. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149813100.
  date published: 2026-07-29T19:35:34Z
audio: Così fan tutte, K. 588: Act 1: Coro "Bella Vita Militar!" - Recitativo "Non V'è Più Tempo"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.591
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.545
  additional property: Energy
    type: PropertyValue
    value: 0.122
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.938
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.032
  additional property: Liveness
    type: PropertyValue
    value: 0.142
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.374
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.755
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ149813100
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960138
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149813100
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Così fan tutte, K. 588: Act 2: Recitativo "Ah Poveretto Me"
type: MusicRecording
duration: PT2M12S
duration ms: 132000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Pietro Spagnoli
by artist: Werner Güra
by artist: Marcel Boone
by artist: René Jacobs
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x395b92fda90e57527d5bf7a2b029c66975971a248a6401c037616b5d35a602fe. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/FRZ149815100.
  date published: 2026-07-31T02:51:48Z
audio: Così fan tutte, K. 588: Act 2: Recitativo "Ah Poveretto Me"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.53
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.617
  additional property: Energy
    type: PropertyValue
    value: 0.192
  additional property: Speechiness
    type: PropertyValue
    value: 0.658
  additional property: Acousticness
    type: PropertyValue
    value: 0.926
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.63
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.502
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.958
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ149815100
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960337
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:51:48+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149815100
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960337
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960337
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:51:48+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Così fan tutte, K. 588: Act 1: "Abbraciami, Idol Mio" - Quintetto "Di Scrivermi Ogni Giorno" - Coro "Bella Vita Militar!" / Sc. 6 - Recitativo "Dove Son?"
type: MusicRecording
duration: PT4M24S
duration ms: 264400
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Bernarda Fink
by artist: Pietro Spagnoli
by artist: Véronique Gens
by artist: Marcel Boone
by artist: Werner Güra
by artist: Kölner Kammerchor
by artist: René Jacobs
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcab1531d416d9ba1114241d417ecffe8c1572f6464b38bd7c38b04a32ad06df1. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/FRZ149813110.
  date published: 2026-07-29T22:48:59Z
audio: Così fan tutte, K. 588: Act 1: "Abbraciami, Idol Mio" - Quintetto "Di Scrivermi Ogni Giorno" - Coro "Bella Vita Militar!" / Sc. 6 - Recitativo "Dove Son?"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.988
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.283
  additional property: Energy
    type: PropertyValue
    value: 0.033
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.339
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.437
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ149813110
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960160
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T22:48:59+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149813110
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960160
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960160
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T22:48:59+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Così fan tutte, K. 588: Act 1: Recitativo "Non Son Cattivo Comico, Va Bene"
type: MusicRecording
duration: PT1M3S
duration ms: 63200
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: René Jacobs
by artist: Pietro Spagnoli
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd92b92710113d1ea2d8ad7498bc9db3a9f5487f9711756af38c006d2f0adb38. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149813130.
  date published: 2026-07-29T23:20:38Z
audio: Così fan tutte, K. 588: Act 1: Recitativo "Non Son Cattivo Comico, Va Bene"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.824
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.51
  additional property: Energy
    type: PropertyValue
    value: 0.17
  additional property: Speechiness
    type: PropertyValue
    value: 0.242
  additional property: Acousticness
    type: PropertyValue
    value: 0.894
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.336
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.331
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.309
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ149813130
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960163
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T23:20:38+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149813130
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960163
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960163
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T23:20:38+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Così fan tutte, K. 588: Act 2: Quartetto "La Mano a Me Date"
type: MusicRecording
duration: PT2M17S
duration ms: 137733
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Pietro Spagnoli
by artist: Marcel Boone
by artist: René Jacobs
by artist: Graciela Oddone
by artist: Werner Güra
by artist: Bernarda Fink
by artist: Véronique Gens
by artist: Kölner Kammerchor
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c14e6285ec6179a74527b997a10d821473b335e962ede8e709cfcc94a3f02d6. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/FRZ149814130.
  date published: 2026-07-29T22:48:59Z
audio: Così fan tutte, K. 588: Act 2: Quartetto "La Mano a Me Date"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.539
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.536
  additional property: Energy
    type: PropertyValue
    value: 0.204
  additional property: Speechiness
    type: PropertyValue
    value: 0.116
  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.156
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.526
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.036
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ149814130
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960160
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T22:48:59+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149814130
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960160
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960160
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T22:48:59+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Così fan tutte, K. 588: Act 1: Sestetto "Alla Bella Despinetta" - Recitativo "Che Sussurro!"
type: MusicRecording
duration: PT4M23S
duration ms: 263066
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: René Jacobs
by artist: Pietro Spagnoli
by artist: Werner Güra
by artist: Marcel Boone
by artist: Véronique Gens
by artist: Bernarda Fink
by artist: Graciela Oddone
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75709a3e602bb8af101a62a11e38ccf337f3864ad1bae4862e7ba5ecaaa8dbf2. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/FRZ149813190.
  date published: 2026-07-29T21:09:47Z
audio: Così fan tutte, K. 588: Act 1: Sestetto "Alla Bella Despinetta" - Recitativo "Che Sussurro!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.879
  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: 0.509
  additional property: Energy
    type: PropertyValue
    value: 0.223
  additional property: Speechiness
    type: PropertyValue
    value: 0.105
  additional property: Acousticness
    type: PropertyValue
    value: 0.941
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.615
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.463
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.055
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ149813190
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960144
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T21:09:47+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149813190
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960144
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960144
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T21:09:47+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Così fan tutte, K. 588: Act 1: "O Ciel! Mirate"
type: MusicRecording
duration: PT3M25S
duration ms: 205600
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Véronique Gens
by artist: René Jacobs
by artist: Graciela Oddone
by artist: Marcel Boone
by artist: Bernarda Fink
by artist: Pietro Spagnoli
by artist: Werner Güra
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47ac523a9d30a77eea04bbc876f778c9e6f118c73c5666f7fc6bd1b0b5b0a422. Chain 2 (Bitcoin): anchored in block 960183 (2026-07-30T01:10:20Z), 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/FRZ149813200.
  date published: 2026-07-30T01:10:20Z
audio: Così fan tutte, K. 588: Act 1: "O Ciel! Mirate"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.854
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.382
  additional property: Energy
    type: PropertyValue
    value: 0.093
  additional property: Speechiness
    type: PropertyValue
    value: 0.1
  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.19
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.149
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.619
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ149813200
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960183
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T01:10:20+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149813200
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960183
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960183
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T01:10:20+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Così fan tutte, K. 588: Act 1: Recitativo "Ah, Non Partite!"
type: MusicRecording
duration: PT1M7S
duration ms: 67866
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Concerto Köln
by artist: Marcel Boone
by artist: Werner Güra
by artist: Pietro Spagnoli
by artist: René Jacobs
by artist: Véronique Gens
by artist: Graciela Oddone
by artist: Bernarda Fink
in album: Mozart: Così fan tutte
  type: MusicAlbum
  date published: 1999
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3997ef4e46f5516863e28b6ffa46ee4e41fa30184a374300b52517c34cbdd116. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149813220.
  date published: 2026-07-30T09:37:10Z
audio: Così fan tutte, K. 588: Act 1: Recitativo "Ah, Non Partite!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.095
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.562
  additional property: Energy
    type: PropertyValue
    value: 0.111
  additional property: Speechiness
    type: PropertyValue
    value: 0.339
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.397
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.378
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.728
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FRZ149813220
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960236
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T09:37:10+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149813220
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960236
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960236
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:37:10+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Danceability
type: PropertyValue
value: 0.285

Energy
type: PropertyValue
value: 0.088

Speechiness
type: PropertyValue
value: 0.05

Acousticness
type: PropertyValue
value: 0.947

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.544

Valence (Positivity)
type: PropertyValue
value: 0.218

Loudness (dB)
type: PropertyValue
value: -24.93

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Major

Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Numi, pietà!
type: MusicRecording
duration: PT1M25S
duration ms: 85893
explicit: false
by artist: George Frideric Handel
by artist: Romina Basso
by artist: Ann Hallenberg
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: DEN960632203
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:56:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3d1cb84fbab2169d73abfe9d414b2e5612aeb671b35949917c580a55d8e4b1d7
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/DEN960632203
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 0x3d1cb84fbab2169d73abfe9d414b2e5612aeb671b35949917c580a55d8e4b1d7. 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/DEN960632203.
  date published: 2026-07-08T03:22:41Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Numi, pietà!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.288
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.476
  additional property: Energy
    type: PropertyValue
    value: 0.088
  additional property: Speechiness
    type: PropertyValue
    value: 0.297
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.256
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.157
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.802
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Mi volgo ad ogni fronda
type: MusicRecording
duration: PT5M41S
duration ms: 341973
explicit: false
by artist: George Frideric Handel
by artist: Karina Gauvin
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: DEN960632210
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:50:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x90d47d8d20ac6582e823e1c2a69a8525f240a13d0cea7dfc9824129e2ef59595
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632210
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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 0x90d47d8d20ac6582e823e1c2a69a8525f240a13d0cea7dfc9824129e2ef59595. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEN960632210.
  date published: 2026-07-08T08:56:20Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Mi volgo ad ogni fronda
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 90.5
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.33
  additional property: Energy
    type: PropertyValue
    value: 0.072
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.228
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.16
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.426
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tolomeo, Re d'Egitto HWV 25 / Act 3: Aria: Ti pentirai, crudel
type: MusicRecording
duration: PT3M36S
duration ms: 216920
explicit: false
by artist: George Frideric Handel
by artist: Anna Bonitatibus
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: DEN960632247
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:16:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x491a0ccd41d402d560bbb63dc37340063824fdb2097969e5d2757d966a0353e0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632247
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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 0x491a0ccd41d402d560bbb63dc37340063824fdb2097969e5d2757d966a0353e0. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEN960632247.
  date published: 2026-07-08T08:56:20Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 3: Aria: Ti pentirai, crudel
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.439
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.582
  additional property: Energy
    type: PropertyValue
    value: 0.223
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.705
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.681
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: O cari agli occhi miei
type: MusicRecording
duration: PT1M27S
duration ms: 87960
explicit: false
by artist: George Frideric Handel
by artist: Anna Bonitatibus
by artist: Ann Hallenberg
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: DEN960632211
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:41:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6b0af5af0f818211b92726b239247de343dce7bbb42c6a23fc42a1f8ccc4c7a8
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/DEN960632211
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 0x6b0af5af0f818211b92726b239247de343dce7bbb42c6a23fc42a1f8ccc4c7a8. 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/DEN960632211.
  date published: 2026-07-08T03:22:41Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: O cari agli occhi miei
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.197
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.468
  additional property: Energy
    type: PropertyValue
    value: 0.047
  additional property: Speechiness
    type: PropertyValue
    value: 0.135
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.178
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.162
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.914
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Se talor miri un fior
type: MusicRecording
duration: PT6M14S
duration ms: 374360
explicit: false
by artist: George Frideric Handel
by artist: Anna Bonitatibus
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: DEN960632212
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T23:45:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x529c29de8933dc835d8969cd36ea5fa2e63f0988f43a9afd830916e3a39e98c3
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/DEN960632212
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 0x529c29de8933dc835d8969cd36ea5fa2e63f0988f43a9afd830916e3a39e98c3. 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/DEN960632212.
  date published: 2026-07-08T03:22:41Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Se talor miri un fior
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.305
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.407
  additional property: Energy
    type: PropertyValue
    value: 0.088
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.137
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.446
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.856
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Conosco ben
type: MusicRecording
duration: PT0M40S
duration ms: 40893
explicit: false
by artist: George Frideric Handel
by artist: Ann Hallenberg
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: DEN960632213
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:53:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa07fe322a38636aac174381ee1c74e7930c47272ece3afeb9b9677778cade28c
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/DEN960632213
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 0xa07fe322a38636aac174381ee1c74e7930c47272ece3afeb9b9677778cade28c. 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/DEN960632213.
  date published: 2026-07-08T03:22:41Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Conosco ben
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.442
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.549
  additional property: Energy
    type: PropertyValue
    value: 0.077
  additional property: Speechiness
    type: PropertyValue
    value: 0.132
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.182
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.136
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.99
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: V'è ancor qualche martire
type: MusicRecording
duration: PT0M46S
duration ms: 46840
explicit: false
by artist: George Frideric Handel
by artist: Ann Hallenberg
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: DEN960632219
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:16:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9d525a035a0e7e710ccf8998a7cac63d42b84c6729b951b71ef402c75d293cbf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632219
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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 0x9d525a035a0e7e710ccf8998a7cac63d42b84c6729b951b71ef402c75d293cbf. 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/DEN960632219.
  date published: 2026-07-08T03:53:27Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: V'è ancor qualche martire
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.288
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.531
  additional property: Energy
    type: PropertyValue
    value: 0.043
  additional property: Speechiness
    type: PropertyValue
    value: 0.105
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.147
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.374
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.262
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Paisiello: Barbiere Di Siviglia (Il)
type: MusicAlbum
date published: 2000-01-01

René Jacobs by Himself
type: MusicAlbum
date published: 2007-07-31
track: Leçons de Ténèbres du Mercredy Sainct: Répons, Tristis est anima mea
  type: MusicRecording
  duration: PT5M11S
  duration ms: 311000
  explicit: false
  by artist: Marc-Antoine Charpentier
  by artist: Concerto Vocale
  by artist: René Jacobs
  in album: René Jacobs by Himself
    type: MusicAlbum
    date published: 2007-07-31
  genre: classical
  genre: early-music
  genre: baroque
  genre: french-baroque
  isrc code: FRZ147810040
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T17:16:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6178aba1aaf42cdbb723b2d5bc6d632f49f44a7de14aefc1330e52aff14ec29e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ147810040
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  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 0x6178aba1aaf42cdbb723b2d5bc6d632f49f44a7de14aefc1330e52aff14ec29e. 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/FRZ147810040.
    date published: 2026-07-08T03:53:27Z
  audio: Leçons de Ténèbres du Mercredy Sainct: Répons, Tristis est anima mea
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 98.523
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
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  by artist: Concerto Vocale
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  genre: early-music
  genre: baroque
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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: 2026-07-08T03:22:41Z
  audio: Leçons de Ténèbres: Troisième leçon
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Donizetti: Francesca di Foix
type: MusicAlbum
date published: 2004-01-01

Donizetti: Elvida
type: MusicAlbum
date published: 2004-01-01

Rossini: Highlights from his early One-Act Operas
type: MusicAlbum
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Donizetti: Chiara e Serafina, A. 8 (Live)
type: MusicAlbum
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Rossini: Tancredi
type: MusicAlbum
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Donizetti : L'elisir d'amore [Highlights] (Apex)
type: MusicAlbum
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Donizetti : L'elisir d'amore
type: MusicAlbum
date published: 1993
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  by artist: Gaetano Donizetti
  by artist: Marcello Viotti
  by artist: Francesca Provvisionato
  by artist: Tallis Chamber Choir
  by artist: English Chamber 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
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ff9903d784e210f41625f8f18b595d9bb64c7ffabd6e0f9547bc55c9924da51. 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/FRZ209201001.
    date published: 2026-07-08T03:22:41Z
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track: Donizetti: L'elisir d'amore, Act 1: "Udite, udite, o rustici" (Dulcamara, Coro)
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  by artist: Bruno Praticò
  by artist: Tallis Chamber Choir
  by artist: English Chamber Orchestra
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    type: MusicAlbum
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  additional property: OTSVerificationAPI
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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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    date published: 2026-07-08T03:53:27Z
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track: Donizetti: L'elisir d'amore, Act 1: "Ardir! Ha forse il cielo mandato" (Nemorino, Dulcamara)
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  by artist: Roberto Alagna
  by artist: English Chamber Orchestra
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Donizetti: L'elisir d'amore, Act 1: "Ardir! Ha forse il cielo mandato" (Nemorino, Dulcamara)
track: Donizetti: L'elisir d'amore, Act 1: "Come Paride vezzoso" - "Intanto, o mia ragazza" (Belcore, Adina, Giannetta, Nemorino, Coro)
track: Donizetti: L'elisir d'amore, Act 2: "Cantiamo, facciam brindisi" (Belcore, Dulcamara, Giannetta, Adina, Coro)

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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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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 0xb5a8c7f2d7177da54135c1e1a79a0380829d8e0851acc7a0ff20c8a48ada315f. 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/FRZ209201023.
date published: 2026-07-08T03:20:19Z

Donizetti: L'elisir d'amore, Act 1: "Ardir! Ha forse il cielo mandato" (Nemorino, Dulcamara)
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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: 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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Rossini: Il Signor Bruschino, Early One-Act Operas, Vol. 1/5
type: MusicAlbum
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Piccinni: La Cecchina o sia La buona figliola
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Girolamo Frescobaldi: Fiori Musicali
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date published: 1989-01-01

Mozart: Così fan tutte
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  by artist: Concerto Köln
  by artist: René Jacobs
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  genre: classical-era
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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
    type: DigitalDocument
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    date published: 2026-07-02T03:55:08Z
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track: Così fan tutte, K. 588: Act 1: Terzetto "La Mia Dorabella"
track: Così fan tutte, K. 588: Act 1: "Cosa Serve?" - Aria Ferrando "Un'aura Amorosa"
track: Così fan tutte, K. 588: Act 2: Rondo "Per Pietà, Ben Mio, Perdona"
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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: 2026-07-02T11:38:34Z
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  audio: Così fan tutte, K. 588: Act 2: "Abbi Di Me Pietà, Dammi Consiglio" - Aria Guglielmo "Donne Mie"
track: Così fan tutte, K. 588: Act 1: "Da Soldati D'onore" - Terzetto "Una Bella Serenata"
track: Così fan tutte, K. 588: Act 1: "Dammi un Bacio"
track: Così fan tutte, K. 588: Act 2: Aria Dorabella "È Amore un Ladroncello"
track: Così fan tutte, K. 588: Act 2: Duetto "Prenderò Quel Brunettino" - Recitativo "Ah Correte Al Giardino"
track: Così fan tutte, K. 588: Act 2: "Tutti Accusan Le Donne" - Recitativo "Vittoria Padroncini!"
track: Così fan tutte, K. 588: Act 1: "Faccia Che Al Campo Giunga" - Terzettino "Soave Sia Il Vento"
track: Così fan tutte, K. 588: Act 2: Duetto Con Coro Guglielmo, Ferrando "Secondate, Aurette Amiche" - Recitativo "Il Tutto Deponete"
track: Così fan tutte, K. 588: Act 1: Recitativo "Che Vita Maledetta"
track: Così fan tutte, K. 588: Act 2: Duetto Dorabella, Guglielmo "Il Core Vi Dono"
track: Così fan tutte, K. 588: Act 1: Recitativo "Signora Dorabella"
track: Così fan tutte, K. 588: Act 2: Recitativo "Barbara, Perché Fuggi?"
track: Così fan tutte, K. 588: Act 2: Aria Ferrando "Ah, Lo Veggio"
track: Così fan tutte, K. 588: Act 1: Recitativo "Che Silenzio!"
track: Così fan tutte, K. 588: Act 1: Aria Fiordiligi "Come Scoglio"
track: Così fan tutte, K. 588: Act 1: Terzetto "È la Fede Delle Femmine" - Recitativo "Scioccherie Di Poeti!"
track: Così fan tutte, K. 588: Act 1: Aria Guglielmo "Non Siate Ritrosi" - Terzetto "E Voi Ridete?" - Recitativo "Si Può Sapere"
track: Così fan tutte, K. 588: Act 1: Recitativo "Fuor' la Spada"
track: Così fan tutte, K. 588: Act 1: Recitativo "Oh la Saria Da Ridere"
track: Così fan tutte, K. 588: Act 1: "Eccovi Il Medico"
track: Così fan tutte, K. 588: Act 2: Recitativo "In Qual Fiero Contrasto"
track: Così fan tutte, K. 588: Act 1: "Dove Son?"
track: Così fan tutte, K. 588: Act 2: Cavatina "Tradito, Schernito" - Recitativo "Bravo, Questa È Costanza" - Recitativo "Ora Vedo Che Siete"
track: Così fan tutte, K. 588: Act 1: Recitativo "Mi Par, Che Stamattina" - Aria Don Alfonso "Vorrei Dir" - Recitativo "Stelle! Per Carità"
track: Così fan tutte, K. 588: Act 1: Quintetto "Sento, O Dio"
track: Così fan tutte, K. 588: Act 1: Recitativo "Non Pianger" - Duettino Guglielmo, Ferrando "Al Fato Dàn Legge" - Recitativo "La Commedia È Graziosa"
track: Così fan tutte, K. 588: Act 1: Coro "Bella Vita Militar!" - Recitativo "Non V'è Più Tempo"
track: Così fan tutte, K. 588: Act 2: Recitativo "Ah Poveretto Me"
track: Così fan tutte, K. 588: Act 1: "Abbraciami, Idol Mio" - Quintetto "Di Scrivermi Ogni Giorno" - Coro "Bella Vita Militar!" / Sc. 6 - Recitativo "Dove Son?"
track: Così fan tutte, K. 588: Act 1: Recitativo "Non Son Cattivo Comico, Va Bene"
track: Così fan tutte, K. 588: Act 2: Quartetto "La Mano a Me Date"
track: Così fan tutte, K. 588: Act 1: Sestetto "Alla Bella Despinetta" - Recitativo "Che Sussurro!"
track: Così fan tutte, K. 588: Act 1: "O Ciel! Mirate"
track: Così fan tutte, K. 588: Act 1: Recitativo "Ah, Non Partite!"

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OpenTimestamps Proof of Existence
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Così fan tutte, K. 588: Act 2: "Abbi Di Me Pietà, Dammi Consiglio" - Aria Guglielmo "Donne Mie"
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Così fan tutte, K. 588: Act 2: Aria Dorabella "È Amore un Ladroncello"
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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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Così fan tutte, K. 588: Act 1: Recitativo "Che Vita Maledetta"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Così fan tutte, K. 588: Act 1: Recitativo "Che Vita Maledetta"
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Così fan tutte, K. 588: Act 2: Duetto Dorabella, Guglielmo "Il Core Vi Dono"
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subject of: OpenTimestamps Proof of Existence
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Così fan tutte, K. 588: Act 1: Recitativo "Signora Dorabella"
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subject of: OpenTimestamps Proof of Existence
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Così fan tutte, K. 588: Act 2: Recitativo "Barbara, Perché Fuggi?"
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G. Carissimi: Oratorio della SS. Vergine - Oratorio di Daniele Profeta
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Perti: San Petronio
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Händel: Giulio Cesare
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date published: 2025-01-10