Marianna Pizzolato
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genre: opera
popularity: 16
followers: 1089
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additional property: OTSVerifyInstructions
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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album: Pergolesi: Stabat Mater - A Tribute To Pergolesi
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  date published: 2011-01-01
  track: Nel chiuso centro: Nel chiuso centro
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    by artist: Anna Netrebko
    by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
    by artist: Antonio Pappano
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      type: MusicAlbum
      date published: 2011-01-01
    genre: classical
    genre: choral
    genre: requiem
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T03:22:41Z
    audio: Nel chiuso centro: Nel chiuso centro
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  track: Li prodigi della divina grazia nella conversione e morte di san Guglielmo d'Aquitania / Sinfonia: Allegro assai e spiritoso
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      date published: 2011-01-01
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-31T04:14:58Z
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  track: Stabat Mater: Stabat mater dolorosa
  track: Stabat Mater: Cuius animam gementem
  track: Stabat Mater: O quam tristis et afflicta
  track: Stabat Mater: Quae moerebat et dolebat
  track: Stabat Mater: Quis est homo, qui non fleret
  track: Stabat Mater: Vidit suum dulcem natum
  track: Stabat Mater: Eia mater, fons amoris
  track: Stabat Mater: Fac ut ardeat cor meum
  track: Stabat Mater: Sancta mater, istud agas
  track: Stabat Mater: Fac ut portem christi mortem
  track: Stabat Mater: Inflammatus et accensus
  track: Stabat Mater: Quando corpus morietur
album: Handel: Fernando, Re Di Castiglia
album: Vivaldi: Argippo
album: Rossini: Stabat Mater (1832 Version) & Giovanna d'Arco
album: Opera - 50 of the Best
album: Rossini: Donna Del Lago (La)
album: A Guided Tour of the Romantic Era, Vol. 3
album: Bel Canto Bully: The musical legacy of the legendary opera impresario Domenico Barbaja
album: Cherubini: Masses, Overtures, Motets
album: Cherubini: Missa solemnis, Antifona & Nemo gaudeat
album: Rossini: Italiana in Algeri (L') (The Italian Girl in Algiers)
album: Italian Operatic Overtures, Vol. 2: The Early 19th Century
album: Rossini: Sigismondo (Live)
album: Rossini: Il viaggio a Reims (Live)
album: Cimarosa: Il marito disperato (The Desperate Husband) [Highlights]
album: Rossini: Semiramide
album: Rossini: L'Italiana in Algeri
album: Cavalli: Gli Amori D'Apollo E Di Dafne
album: Vivaldi, A.: Rosmira Fedele [Opera]
album: Naxos July 2013 New Release Sampler
album: Entschleunigung - Musik von unermesslicher Schönheit und Ruhe (Classic)
album: Donizetti: Lucrezia Borgia
track: Lucrezia Borgia: Prologue, Scene 3: Maffio Orsini, signora, son'io (Orsini, Gazella, Petrucci, Liverotto, Gennaro, Lucrezia)
track: Lucrezia Borgia: Prologue, Scene 1: Bella Venezia! (Gazella, Petrucci, Orsini, Liverotto, Vitellozzo)
track: Lucrezia Borgia: Prologue, Scene 1: Nella fatal di Rimini (Orsini)
track: Lucrezia Borgia: Act II Scene 5: Il segreto per esser felici (Orsini)

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Stabat Mater: Stabat mater dolorosa
type: MusicRecording
duration: PT4M31S
duration ms: 271840
explicit: false
by artist: Giovanni Battista Pergolesi
by artist: Anna Netrebko
by artist: Marianna Pizzolato
by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
by artist: Antonio Pappano
in album: Pergolesi: Stabat Mater - A Tribute To Pergolesi
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: choral
genre: requiem
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T11:07:37Z
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Stabat Mater: Cuius animam gementem
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duration ms: 123253
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by artist: Giovanni Battista Pergolesi
by artist: Anna Netrebko
by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
by artist: Antonio Pappano
in album: Pergolesi: Stabat Mater - A Tribute To Pergolesi
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  date published: 2011-01-01
genre: classical
genre: choral
genre: requiem
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T07:28:30Z
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Stabat Mater: O quam tristis et afflicta
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by artist: Anna Netrebko
by artist: Marianna Pizzolato
by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
by artist: Antonio Pappano
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genre: classical
genre: choral
genre: requiem
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:26:26Z
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.26
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.594
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Stabat Mater: Quae moerebat et dolebat
type: MusicRecording
duration: PT2M8S
duration ms: 128013
explicit: false
by artist: Giovanni Battista Pergolesi
by artist: Marianna Pizzolato
by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
by artist: Antonio Pappano
in album: Pergolesi: Stabat Mater - A Tribute To Pergolesi
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: choral
genre: requiem
isrc code: DEN961030804
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T03:17:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd9ce8e78ed662f8e676fa668672d341d2a41b723e0edce08b0aaf61d8820cdf1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960344
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960344
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961030804
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T04:14:58Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9ce8e78ed662f8e676fa668672d341d2a41b723e0edce08b0aaf61d8820cdf1. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961030804 — a six-check JSON result.
  date published: 2026-07-31T04:14:58Z
audio: Stabat Mater: Quae moerebat et dolebat
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.213
  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: 0.506
  additional property: Energy
    type: PropertyValue
    value: 0.066
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.211
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.429
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.47
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Stabat Mater: Quis est homo, qui non fleret
type: MusicRecording
duration: PT2M43S
duration ms: 163213
explicit: false
by artist: Giovanni Battista Pergolesi
by artist: Anna Netrebko
by artist: Marianna Pizzolato
by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
by artist: Antonio Pappano
in album: Pergolesi: Stabat Mater - A Tribute To Pergolesi
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: choral
genre: requiem
isrc code: DEN961030805
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:19:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd207ed761a04c3e25b57d10919ff1f18edadace7aa6a878509a3c3f0b3bd3fd2
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/DEN961030805
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd207ed761a04c3e25b57d10919ff1f18edadace7aa6a878509a3c3f0b3bd3fd2. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961030805 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Stabat Mater: Quis est homo, qui non fleret
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.193
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.32
  additional property: Energy
    type: PropertyValue
    value: 0.125
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.063
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.933
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Stabat Mater: Vidit suum dulcem natum
type: MusicRecording
duration: PT4M8S
duration ms: 248320
explicit: false
by artist: Giovanni Battista Pergolesi
by artist: Anna Netrebko
by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
by artist: Antonio Pappano
in album: Pergolesi: Stabat Mater - A Tribute To Pergolesi
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: choral
genre: requiem
isrc code: DEN961030806
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:04:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3b1bf567444045268d703372d4fdd8116ca1fb69b9bda4e72cdf3d0c554230e2
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/DEN961030806
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b1bf567444045268d703372d4fdd8116ca1fb69b9bda4e72cdf3d0c554230e2. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961030806 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Stabat Mater: Vidit suum dulcem natum
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 159.73
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.167
  additional property: Energy
    type: PropertyValue
    value: 0.061
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.11
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.91
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Stabat Mater: Eia mater, fons amoris
type: MusicRecording
duration: PT1M46S
duration ms: 106386
explicit: false
by artist: Giovanni Battista Pergolesi
by artist: Marianna Pizzolato
by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
by artist: Antonio Pappano
in album: Pergolesi: Stabat Mater - A Tribute To Pergolesi
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: choral
genre: requiem
isrc code: DEN961030807
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T08:51:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8cc0dc6339fefaf28382a3c85d5d81e9465e0a864a2146e70e20a65402a1ab26
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: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961030807
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:37:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cc0dc6339fefaf28382a3c85d5d81e9465e0a864a2146e70e20a65402a1ab26. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961030807 — a six-check JSON result.
  date published: 2026-07-30T09:37:10Z
audio: Stabat Mater: Eia mater, fons amoris
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 170.743
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.285
  additional property: Energy
    type: PropertyValue
    value: 0.045
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.941
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.444
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.61
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Stabat Mater: Fac ut ardeat cor meum
type: MusicRecording
duration: PT2M7S
duration ms: 127013
explicit: false
by artist: Giovanni Battista Pergolesi
by artist: Anna Netrebko
by artist: Marianna Pizzolato
by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
by artist: Antonio Pappano
in album: Pergolesi: Stabat Mater - A Tribute To Pergolesi
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: choral
genre: requiem
isrc code: DEN961030808
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T08:34:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe5682c4378c75184a13c1ae9f381ef326cefe45dd5c0540fb38414051f922de3
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: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961030808
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:37:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5682c4378c75184a13c1ae9f381ef326cefe45dd5c0540fb38414051f922de3. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961030808 — a six-check JSON result.
  date published: 2026-07-30T09:37:10Z
audio: Stabat Mater: Fac ut ardeat cor meum
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.822
  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: 0.347
  additional property: Energy
    type: PropertyValue
    value: 0.28
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
    value: 0.141
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.378
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.85
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Stabat Mater: Sancta mater, istud agas
type: MusicRecording
duration: PT5M40S
duration ms: 340680
explicit: false
by artist: Giovanni Battista Pergolesi
by artist: Anna Netrebko
by artist: Marianna Pizzolato
by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
by artist: Antonio Pappano
in album: Pergolesi: Stabat Mater - A Tribute To Pergolesi
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: choral
genre: requiem
isrc code: DEN961030809
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:29:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x975ff8da2e39106facc42c2b6b71b439503bd2f23bf0bb65e3955facdd05cbb4
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/DEN961030809
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x975ff8da2e39106facc42c2b6b71b439503bd2f23bf0bb65e3955facdd05cbb4. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961030809 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Stabat Mater: Sancta mater, istud agas
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 173.657
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.151
  additional property: Energy
    type: PropertyValue
    value: 0.123
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.953
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.213
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.147
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.748
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Stabat Mater: Fac ut portem christi mortem
type: MusicRecording
duration: PT3M33S
duration ms: 213680
explicit: false
by artist: Giovanni Battista Pergolesi
by artist: Marianna Pizzolato
by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
by artist: Antonio Pappano
in album: Pergolesi: Stabat Mater - A Tribute To Pergolesi
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: choral
genre: requiem
isrc code: DEN961030810
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T00:27:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x017bd23a6b73af6413613bcd3463f1b5ba02d577701b122c7a4c5640a21cdd4e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961030810
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x017bd23a6b73af6413613bcd3463f1b5ba02d577701b122c7a4c5640a21cdd4e. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961030810 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Stabat Mater: Fac ut portem christi mortem
  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
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    value: 5
  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
    type: PropertyValue
    value: 0.021
  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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    value: -27.719
  additional property: Key Name
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  additional property: Mode Name
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Stabat Mater: Inflammatus et accensus
type: MusicRecording
duration: PT1M46S
duration ms: 106946
explicit: false
by artist: Giovanni Battista Pergolesi
by artist: Anna Netrebko
by artist: Marianna Pizzolato
by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
by artist: Antonio Pappano
in album: Pergolesi: Stabat Mater - A Tribute To Pergolesi
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: choral
genre: requiem
isrc code: DEN961030811
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:14:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe7966a55d1b018980d172758ef9391991032808dce6de4d4a9c92346f9562e4b
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/DEN961030811
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7966a55d1b018980d172758ef9391991032808dce6de4d4a9c92346f9562e4b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961030811 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Stabat Mater: Inflammatus et accensus
  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
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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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  additional property: Key Name
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Stabat Mater: Quando corpus morietur
type: MusicRecording
duration: PT4M34S
duration ms: 274253
explicit: false
by artist: Giovanni Battista Pergolesi
by artist: Anna Netrebko
by artist: Marianna Pizzolato
by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
by artist: Antonio Pappano
in album: Pergolesi: Stabat Mater - A Tribute To Pergolesi
  type: MusicAlbum
  date published: 2011-01-01
genre: classical
genre: choral
genre: requiem
isrc code: DEN961030812
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T08:29:15+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x06b10565908c5c8bd01c91b0c12cce0583bb56983983c9b3f18c935348a2d983
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960229
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961030812
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T08:30:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06b10565908c5c8bd01c91b0c12cce0583bb56983983c9b3f18c935348a2d983. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961030812 — a six-check JSON result.
  date published: 2026-07-30T08:30:10Z
audio: Stabat Mater: Quando corpus morietur
  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
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.208
  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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    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.102
  additional property: Key Name
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    value: Bb
  additional property: Mode Name
    type: PropertyValue
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Handel: Fernando, Re Di Castiglia
type: MusicAlbum
date published: 2007-02-05
track: Handel: Fernando, rè di Castiglia, HWV 30, Act 2, Scene 8: Duetto. "Per le porte del tormento" (Fernando, Elvida)
  type: MusicRecording
  duration: PT9M5S
  duration ms: 545040
  explicit: false
  by artist: George Frideric Handel
  by artist: Alan Curtis
  by artist: Il Complesso Barocco
  by artist: Lawrence Zazzo
  by artist: Veronica Cangemi
  in album: Handel: Fernando, Re Di Castiglia
    type: MusicAlbum
    date published: 2007-02-05
  genre: classical
  genre: opera
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
  genre: choral
  isrc code: GBAYC0502663
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T15:18:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x033f627b6ab0fc4a2fb7b482e7a33b4c360f2657533770e746aac2d82fd09d90
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960273
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960273
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0502663
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T15:42:38Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x033f627b6ab0fc4a2fb7b482e7a33b4c360f2657533770e746aac2d82fd09d90. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0502663 — a six-check JSON result.
    date published: 2026-07-30T15:42:38Z
  audio: Handel: Fernando, rè di Castiglia, HWV 30, Act 2, Scene 8: Duetto. "Per le porte del tormento" (Fernando, Elvida)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 164.862
    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.218
    additional property: Energy
      type: PropertyValue
      value: 0.085
    additional property: Speechiness
      type: PropertyValue
      value: 0.058
    additional property: Acousticness
      type: PropertyValue
      value: 0.958
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.127
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.212
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.471
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Vivaldi: Argippo
type: MusicAlbum
date published: 2020-11-20
track: Argippo, RV Anh. 137: "Sinfonia RV 112. Allegro molto" - Arr. de Johann Georg Pisendel
  type: MusicRecording
  duration: PT1M47S
  duration ms: 107835
  explicit: false
  by artist: Antonio Vivaldi
  by artist: Europa Galante
  by artist: Fabio Biondi
  in album: Vivaldi: Argippo
    type: MusicAlbum
    date published: 2020-11-20
  genre: classical
  genre: early-music
  genre: baroque
  genre: concerto
  isrc code: FRZ131917010
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T06:52:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1b036fd4741d8b3be7af49def8ad460716396c6971b2c272f232f45693c3d558
  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/FRZ131917010
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b036fd4741d8b3be7af49def8ad460716396c6971b2c272f232f45693c3d558. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917010 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Argippo, RV Anh. 137: "Sinfonia RV 112. Allegro molto" - Arr. de Johann Georg Pisendel
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 140.734
    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: 0.358
    additional property: Energy
      type: PropertyValue
      value: 0.338
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.794
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.716
    additional property: Liveness
      type: PropertyValue
      value: 0.173
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.606
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.877
    additional property: Key Name
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      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Argippo, RV Anh. 137, Act II, Scene 4: "Aria. Un certo non so che" (Osira)
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185294
  explicit: false
  by artist: Antonio Vivaldi
  by artist: Europa Galante
  by artist: Fabio Biondi
  by artist: Marie Lys
  in album: Vivaldi: Argippo
    type: MusicAlbum
    date published: 2020-11-20
  genre: classical
  genre: early-music
  genre: baroque
  genre: concerto
  isrc code: FRZ131917240
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T14:32:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x958282a56ab90b6dbef09d68ae44ef34f7cb132395a89e7e8f342edef6e5d842
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960418
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960418
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917240
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T15:20:15Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x958282a56ab90b6dbef09d68ae44ef34f7cb132395a89e7e8f342edef6e5d842. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917240 — a six-check JSON result.
    date published: 2026-07-31T15:20:15Z
  audio: Argippo, RV Anh. 137, Act II, Scene 4: "Aria. Un certo non so che" (Osira)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 135.242
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.628
    additional property: Energy
      type: PropertyValue
      value: 0.323
    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
      type: PropertyValue
      value: 0.911
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.147
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.704
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.734
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Argippo, RV Anh. 137: "Sinfonia RV 112. Andante" - Arr. de Johann Georg Pisendel
  type: MusicRecording
  duration: PT1M48S
  duration ms: 108350
  explicit: false
  by artist: Antonio Vivaldi
  by artist: Europa Galante
  by artist: Fabio Biondi
  in album: Vivaldi: Argippo
    type: MusicAlbum
    date published: 2020-11-20
  genre: classical
  genre: early-music
  genre: baroque
  genre: concerto
  isrc code: FRZ131917020
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Argippo, RV Anh. 137: "Sinfonia RV 112. Andante" - Arr. de Johann Georg Pisendel
track: Argippo, RV Anh. 137, Act I, Scene 1: "Recitativo" (Tisifaro, Zanaida)
track: Argippo, RV Anh. 137, Act I, Scene 1: "Aria. Se lento ancora il fulmine" (Zanaida)
track: Argippo, RV Anh. 137, Act II, Scene 7: "Aria/ Io son rea dell’ onor mio" (Zanaida)
track: Argippo, RV Anh. 137, Act I, Scene 2: "Recitativo" (Tisifao, Silvero)
track: Argippo, RV Anh. 137, Act I, Scene 2: "Aria. Rege son che combattuto" (Tisifaro)
track: Argippo, RV Anh. 137, Act II, Scene 8: "Aria/ A’ piedi miei svenato" (Tisifaro)
track: Argippo, RV Anh. 137, Act I, Scene 3: "Recitativo" (Silvero)
track: Argippo, RV Anh. 137, Act I, Scene 3: "Aria. Del fallire il rimorso è la pena" (Silvero)
track: Argippo, RV Anh. 137, Act II, Scene 9: " Aria. Da più venti combattuta" (Argippo)
track: Argippo, RV Anh. 137, Act I, Scene 4: "Di Cingone il regnante sen viene" (Coro)
track: Argippo, RV Anh. 137, Act I, Scene 4: "Aria. Quel ciglio vezzosetto" (Zanaida, Silvero, Osira, Argippo)
track: Argippo, RV Anh. 137, Act I, Scene 4: "Aria. Anche in mezzo a perigliosa" (Argippo)
track: Argippo, RV Anh. 137, Act I, Scene 5: "Aria. Qual disarmata nave" (Osira)
track: Argippo, RV Anh. 137, Act II, Scene 1: "Aria Che gran pena trafigge il mio core" (Zanaida)
track: Argippo, RV Anh. 137, Act II, Scene 2: "Aria. Non temer e datti pace" (Silvero)
track: Argippo, RV Anh. 137, Act II, Scene 3: "Aria. Bell’idolo amato" (Osira)

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-30T23:00:20+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x85f1105e6c77d8b2f2e473c2eb89731019066503a9caa1f11fe08133e41377ce

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960327

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917020

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

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85f1105e6c77d8b2f2e473c2eb89731019066503a9caa1f11fe08133e41377ce. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917020 — a six-check JSON result.
date published: 2026-07-31T00:26:26Z

Argippo, RV Anh. 137: "Sinfonia RV 112. Andante" - Arr. de Johann Georg Pisendel
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 128.972
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.222
additional property: Energy
  type: PropertyValue
  value: 0.018
additional property: Speechiness
  type: PropertyValue
  value: 0.05
additional property: Acousticness
  type: PropertyValue
  value: 0.764
additional property: Instrumentalness
  type: PropertyValue
  value: 0.179
additional property: Liveness
  type: PropertyValue
  value: 0.085
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.16
additional property: Loudness (dB)
  type: PropertyValue
  value: -33.425
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Minor

Argippo, RV Anh. 137, Act I, Scene 1: "Recitativo" (Tisifaro, Zanaida)
type: MusicRecording
duration: PT1M17S
duration ms: 77711
explicit: false
by artist: Antonio Vivaldi
by artist: Europa Galante
by artist: Fabio Biondi
by artist: Delphine Galou
by artist: Luigi De Donato
in album: Vivaldi: Argippo
  type: MusicAlbum
  date published: 2020-11-20
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131917040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T16:02:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x01c1e933b911241331d739f27ec32a2895e416c5064a5683d1c9f9b75f3963f2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960429
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960429
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917040
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T16:07:24Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01c1e933b911241331d739f27ec32a2895e416c5064a5683d1c9f9b75f3963f2. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917040 — a six-check JSON result.
  date published: 2026-07-31T16:07:24Z
audio: Argippo, RV Anh. 137, Act I, Scene 1: "Recitativo" (Tisifaro, Zanaida)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.287
  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: 0.582
  additional property: Energy
    type: PropertyValue
    value: 0.304
  additional property: Speechiness
    type: PropertyValue
    value: 0.23
  additional property: Acousticness
    type: PropertyValue
    value: 0.933
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.258
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.319
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Argippo, RV Anh. 137, Act I, Scene 1: "Aria. Se lento ancora il fulmine" (Zanaida)
type: MusicRecording
duration: PT3M38S
duration ms: 218760
explicit: false
by artist: Antonio Vivaldi
by artist: Europa Galante
by artist: Fabio Biondi
by artist: Delphine Galou
in album: Vivaldi: Argippo
  type: MusicAlbum
  date published: 2020-11-20
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131917050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:28:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x700d79df5391d9a6c1b9a8d036a482db3fdc4b4f33b82b7c926c0f9523e93a1a
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/FRZ131917050
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x700d79df5391d9a6c1b9a8d036a482db3fdc4b4f33b82b7c926c0f9523e93a1a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917050 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Argippo, RV Anh. 137, Act I, Scene 1: "Aria. Se lento ancora il fulmine" (Zanaida)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.363
  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: 0.512
  additional property: Energy
    type: PropertyValue
    value: 0.413
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.938
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.153
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.567
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.877
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Argippo, RV Anh. 137, Act II, Scene 7: "Aria/ Io son rea dell’ onor mio" (Zanaida)
type: MusicRecording
duration: PT5M42S
duration ms: 342794
explicit: false
by artist: Antonio Vivaldi
by artist: Europa Galante
by artist: Fabio Biondi
by artist: Delphine Galou
in album: Vivaldi: Argippo
  type: MusicAlbum
  date published: 2020-11-20
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131917280
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:30:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x848514247a1a500acd25a26394dc683f079a9432be0aef0ed1453efdfeb898d1
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/FRZ131917280
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x848514247a1a500acd25a26394dc683f079a9432be0aef0ed1453efdfeb898d1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917280 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Argippo, RV Anh. 137, Act II, Scene 7: "Aria/ Io son rea dell’ onor mio" (Zanaida)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.313
  additional property: Musical Key
    type: PropertyValue
    value: 0
  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: 0.448
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.948
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.154
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.625
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.081
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Argippo, RV Anh. 137, Act I, Scene 2: "Recitativo" (Tisifao, Silvero)
type: MusicRecording
duration: PT0M55S
duration ms: 55143
explicit: false
by artist: Antonio Vivaldi
by artist: Europa Galante
by artist: Fabio Biondi
by artist: Marianna Pizzolato
by artist: Luigi De Donato
in album: Vivaldi: Argippo
  type: MusicAlbum
  date published: 2020-11-20
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131917060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T20:45:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd3d34ff3a6555d72673e7e2088650bdf91d84ffd5dd060dfd70d2595614d00b6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960468
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960468
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917060
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T21:25:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3d34ff3a6555d72673e7e2088650bdf91d84ffd5dd060dfd70d2595614d00b6. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917060 — a six-check JSON result.
  date published: 2026-07-31T21:25:57Z
audio: Argippo, RV Anh. 137, Act I, Scene 2: "Recitativo" (Tisifao, Silvero)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.303
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.472
  additional property: Energy
    type: PropertyValue
    value: 0.129
  additional property: Speechiness
    type: PropertyValue
    value: 0.233
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.242
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.435
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Argippo, RV Anh. 137, Act I, Scene 2: "Aria. Rege son che combattuto" (Tisifaro)
type: MusicRecording
duration: PT6M18S
duration ms: 378652
explicit: false
by artist: Antonio Vivaldi
by artist: Europa Galante
by artist: Fabio Biondi
by artist: Luigi De Donato
in album: Vivaldi: Argippo
  type: MusicAlbum
  date published: 2020-11-20
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131917070
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:07:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x862512666702ce2024f2c2796751cf54afd71264efb573e033e8a0596635e399
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917070
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x862512666702ce2024f2c2796751cf54afd71264efb573e033e8a0596635e399. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917070 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Argippo, RV Anh. 137, Act I, Scene 2: "Aria. Rege son che combattuto" (Tisifaro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.046
  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: 0.257
  additional property: Energy
    type: PropertyValue
    value: 0.237
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.927
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.131
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.271
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.832
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Argippo, RV Anh. 137, Act II, Scene 8: "Aria/ A’ piedi miei svenato" (Tisifaro)
type: MusicRecording
duration: PT3M46S
duration ms: 226990
explicit: false
by artist: Antonio Vivaldi
by artist: Europa Galante
by artist: Fabio Biondi
by artist: Luigi De Donato
in album: Vivaldi: Argippo
  type: MusicAlbum
  date published: 2020-11-20
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131917300
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T06:44:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xda5782a20524e8e9f824b2d8c0c848e1bb033ea9b19529dd98ae5956426fad79
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960362
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960362
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917300
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:58:00Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda5782a20524e8e9f824b2d8c0c848e1bb033ea9b19529dd98ae5956426fad79. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917300 — a six-check JSON result.
  date published: 2026-07-31T06:58:00Z
audio: Argippo, RV Anh. 137, Act II, Scene 8: "Aria/ A’ piedi miei svenato" (Tisifaro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.096
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.535
  additional property: Energy
    type: PropertyValue
    value: 0.493
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.019
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.656
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.885
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Argippo, RV Anh. 137, Act I, Scene 3: "Recitativo" (Silvero)
type: MusicRecording
duration: PT0M46S
duration ms: 46181
explicit: false
by artist: Antonio Vivaldi
by artist: Europa Galante
by artist: Fabio Biondi
by artist: Marianna Pizzolato
in album: Vivaldi: Argippo
  type: MusicAlbum
  date published: 2020-11-20
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131917080
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:26:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf1590878245bb02664b8ed8ea5a34b045386f34f16c6f2008fbcd2260c255536
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/FRZ131917080
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1590878245bb02664b8ed8ea5a34b045386f34f16c6f2008fbcd2260c255536. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917080 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Argippo, RV Anh. 137, Act I, Scene 3: "Recitativo" (Silvero)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.283
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.568
  additional property: Energy
    type: PropertyValue
    value: 0.074
  additional property: Speechiness
    type: PropertyValue
    value: 0.219
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.266
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.238
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.043
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Argippo, RV Anh. 137, Act I, Scene 3: "Aria. Del fallire il rimorso è la pena" (Silvero)
type: MusicRecording
duration: PT3M31S
duration ms: 211858
explicit: false
by artist: Antonio Vivaldi
by artist: Europa Galante
by artist: Fabio Biondi
by artist: Marianna Pizzolato
in album: Vivaldi: Argippo
  type: MusicAlbum
  date published: 2020-11-20
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131917090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T12:30:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x267c9f951b9826961ba5af76e06fd7f1da2453e9ca18300198726945a9a18c14
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960403
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960403
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917090
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x267c9f951b9826961ba5af76e06fd7f1da2453e9ca18300198726945a9a18c14. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917090 — a six-check JSON result.
  date published: 2026-07-31T13:04:34Z
audio: Argippo, RV Anh. 137, Act I, Scene 3: "Aria. Del fallire il rimorso è la pena" (Silvero)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.128
  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: 0.478
  additional property: Energy
    type: PropertyValue
    value: 0.193
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.957
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.31
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.416
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.814
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Argippo, RV Anh. 137, Act II, Scene 9: " Aria. Da più venti combattuta" (Argippo)
type: MusicRecording
duration: PT5M23S
duration ms: 323282
explicit: false
by artist: Antonio Vivaldi
by artist: Antonio Galeazzi
by artist: Europa Galante
by artist: Fabio Biondi
by artist: Emőke Baráth
in album: Vivaldi: Argippo
  type: MusicAlbum
  date published: 2020-11-20
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131917320
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:55:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd6b84ac20c504708bb1a8172f1a18b49ace6a71024f3513d1a6e9aa9bba3ebe9
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/FRZ131917320
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6b84ac20c504708bb1a8172f1a18b49ace6a71024f3513d1a6e9aa9bba3ebe9. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917320 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Argippo, RV Anh. 137, Act II, Scene 9: " Aria. Da più venti combattuta" (Argippo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.445
  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: 0.514
  additional property: Energy
    type: PropertyValue
    value: 0.286
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.938
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.173
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.491
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.135
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Argippo, RV Anh. 137, Act I, Scene 4: "Di Cingone il regnante sen viene" (Coro)
type: MusicRecording
duration: PT0M51S
duration ms: 51372
explicit: false
by artist: Antonio Vivaldi
by artist: Europa Galante
by artist: Fabio Biondi
by artist: Emőke Baráth
by artist: Marie Lys
by artist: Delphine Galou
by artist: Marianna Pizzolato
by artist: Luigi De Donato
in album: Vivaldi: Argippo
  type: MusicAlbum
  date published: 2020-11-20
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131917100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T14:27:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1c42ecc42e29c1cdd18e3d0cc6c7799b5431cccfde4e332ea50ac133d6ebceb6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917100
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c42ecc42e29c1cdd18e3d0cc6c7799b5431cccfde4e332ea50ac133d6ebceb6. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917100 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Argippo, RV Anh. 137, Act I, Scene 4: "Di Cingone il regnante sen viene" (Coro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.696
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.651
  additional property: Energy
    type: PropertyValue
    value: 0.32
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.844
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.227
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.918
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.019
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Argippo, RV Anh. 137, Act I, Scene 4: "Aria. Quel ciglio vezzosetto" (Zanaida, Silvero, Osira, Argippo)
type: MusicRecording
duration: PT2M51S
duration ms: 171936
explicit: false
by artist: Antonio Vivaldi
by artist: Europa Galante
by artist: Fabio Biondi
by artist: Emőke Baráth
by artist: Marie Lys
by artist: Delphine Galou
by artist: Marianna Pizzolato
in album: Vivaldi: Argippo
  type: MusicAlbum
  date published: 2020-11-20
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131917110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T14:53:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8f9eee68bcd2cc319d546cfe529542190fc2f15cc5bc9c32c162e5b5b65ed7ef
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f9eee68bcd2cc319d546cfe529542190fc2f15cc5bc9c32c162e5b5b65ed7ef. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917110 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Argippo, RV Anh. 137, Act I, Scene 4: "Aria. Quel ciglio vezzosetto" (Zanaida, Silvero, Osira, Argippo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.841
  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: 0.581
  additional property: Energy
    type: PropertyValue
    value: 0.21
  additional property: Speechiness
    type: PropertyValue
    value: 0.094
  additional property: Acousticness
    type: PropertyValue
    value: 0.947
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.163
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.355
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.719
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Argippo, RV Anh. 137, Act I, Scene 4: "Aria. Anche in mezzo a perigliosa" (Argippo)
type: MusicRecording
duration: PT4M2S
duration ms: 242331
explicit: false
by artist: Antonio Vivaldi
by artist: Antonio Galeazzi
by artist: Europa Galante
by artist: Fabio Biondi
by artist: Emőke Baráth
in album: Vivaldi: Argippo
  type: MusicAlbum
  date published: 2020-11-20
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131917120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:22:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0d6867a89794a6ec4a1277a585251b6fe20225207fc26197dc34a8dcdee1e815
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917120
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d6867a89794a6ec4a1277a585251b6fe20225207fc26197dc34a8dcdee1e815. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917120 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Argippo, RV Anh. 137, Act I, Scene 4: "Aria. Anche in mezzo a perigliosa" (Argippo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.831
  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: 0.467
  additional property: Energy
    type: PropertyValue
    value: 0.355
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.933
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.306
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.606
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.511
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Argippo, RV Anh. 137, Act I, Scene 5: "Aria. Qual disarmata nave" (Osira)
type: MusicRecording
duration: PT5M20S
duration ms: 320049
explicit: false
by artist: Antonio Vivaldi
by artist: Giovanni Battista Pescetti
by artist: Europa Galante
by artist: Fabio Biondi
by artist: Marie Lys
in album: Vivaldi: Argippo
  type: MusicAlbum
  date published: 2020-11-20
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131917140
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:34:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf7368cc6b886537b15d81c6ecb6fb3f53e6dc94893542a901b0c78e35b69996c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917140
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7368cc6b886537b15d81c6ecb6fb3f53e6dc94893542a901b0c78e35b69996c. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917140 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Argippo, RV Anh. 137, Act I, Scene 5: "Aria. Qual disarmata nave" (Osira)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.106
  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: 0.464
  additional property: Energy
    type: PropertyValue
    value: 0.268
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.887
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.434
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.446
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.565
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Argippo, RV Anh. 137, Act II, Scene 1: "Aria Che gran pena trafigge il mio core" (Zanaida)
type: MusicRecording
duration: PT6M11S
duration ms: 371883
explicit: false
by artist: Antonio Vivaldi
by artist: Johann Adolf Hasse
by artist: Europa Galante
by artist: Fabio Biondi
by artist: Delphine Galou
in album: Vivaldi: Argippo
  type: MusicAlbum
  date published: 2020-11-20
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131917180
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T19:56:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8733f153f60fae59728fa88afaf12758c153eca46cfd17ef2e5c360d1a797bee
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960459
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960459
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917180
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T20:22:46Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8733f153f60fae59728fa88afaf12758c153eca46cfd17ef2e5c360d1a797bee. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917180 — a six-check JSON result.
  date published: 2026-07-31T20:22:46Z
audio: Argippo, RV Anh. 137, Act II, Scene 1: "Aria Che gran pena trafigge il mio core" (Zanaida)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.083
  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: 0.437
  additional property: Energy
    type: PropertyValue
    value: 0.286
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.924
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.245
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.358
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.52
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Argippo, RV Anh. 137, Act II, Scene 2: "Aria. Non temer e datti pace" (Silvero)
type: MusicRecording
duration: PT5M29S
duration ms: 329629
explicit: false
by artist: Antonio Vivaldi
by artist: Europa Galante
by artist: Fabio Biondi
by artist: Marianna Pizzolato
in album: Vivaldi: Argippo
  type: MusicAlbum
  date published: 2020-11-20
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131917200
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:24:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb0e00f833685203847ba84cc0e5c7ebbb10ae76734050650b5617e0806961540
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/FRZ131917200
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0e00f833685203847ba84cc0e5c7ebbb10ae76734050650b5617e0806961540. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917200 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Argippo, RV Anh. 137, Act II, Scene 2: "Aria. Non temer e datti pace" (Silvero)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.332
  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: 0.282
  additional property: Energy
    type: PropertyValue
    value: 0.239
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.354
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.372
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.041
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Argippo, RV Anh. 137, Act II, Scene 3: "Aria. Bell’idolo amato" (Osira)
type: MusicRecording
duration: PT4M53S
duration ms: 293707
explicit: false
by artist: Antonio Vivaldi
by artist: Nicola Porpora
by artist: Europa Galante
by artist: Fabio Biondi
by artist: Marie Lys
in album: Vivaldi: Argippo
  type: MusicAlbum
  date published: 2020-11-20
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131917220
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T12:54:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x433bea5f3ede675cfb79205196ac14f5fea1157f8887b212b55f7935908f7649
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960404
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960404
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917220
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:06:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x433bea5f3ede675cfb79205196ac14f5fea1157f8887b212b55f7935908f7649. Chain 2 (Bitcoin): anchored in block 960404 (2026-07-31T13:06:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131917220 — a six-check JSON result.
  date published: 2026-07-31T13:06:57Z
audio: Argippo, RV Anh. 137, Act II, Scene 3: "Aria. Bell’idolo amato" (Osira)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.55
  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: 0.381
  additional property: Energy
    type: PropertyValue
    value: 0.216
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.944
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.192
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.353
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.184
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Rossini: Stabat Mater (1832 Version) & Giovanna d'Arco
type: MusicAlbum
date published: 2016-07-08
track: Stabat Mater (1832 Version) [Orch. A. Fogliani]: Chorus: Amen (Chorus)
  type: MusicRecording
  duration: PT4M12S
  duration ms: 252803
  explicit: false
  by artist: Gioachino Rossini
  by artist: Antonino Fogliani
  by artist: Giovanni Tadolini
  by artist: Poznan Camerata Bach Choir
  by artist: Württembergische Philharmonie Reutlingen
  in album: Rossini: Stabat Mater (1832 Version) & Giovanna d'Arco
    type: MusicAlbum
    date published: 2016-07-08
  genre: classical
  genre: opera
  isrc code: HKI191526613
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T07:28:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5fa9b769f156062a0e2de60a4c33a283cbd6f85f6e2723b651fd96273b574a82
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960368
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960368
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191526613
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T08:26:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fa9b769f156062a0e2de60a4c33a283cbd6f85f6e2723b651fd96273b574a82. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191526613 — a six-check JSON result.
    date published: 2026-07-31T08:26:41Z
  audio: Stabat Mater (1832 Version) [Orch. A. Fogliani]: Chorus: Amen (Chorus)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 108.936
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.28
    additional property: Energy
      type: PropertyValue
      value: 0.313
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.969
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.389
    additional property: Liveness
      type: PropertyValue
      value: 0.696
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.38
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.106
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Opera - 50 of the Best
type: MusicAlbum
date published: 2012-10-01
track: Le nozze di Figaro, K. 492, Act I: Overture
  type: MusicRecording
  duration: PT4M12S
  duration ms: 252000
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Nicolaus Esterhazy Sinfonia
  by artist: Michael Halasz
  in album: Opera - 50 of the Best
    type: MusicAlbum
    date published: 2012-10-01
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
  isrc code: HKI190348101
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-01T17:21:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6b9247635577149f79a7dd193c2fc5cb77b28f2218534d3d076c6ed2b160d167
  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/HKI190348101
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b9247635577149f79a7dd193c2fc5cb77b28f2218534d3d076c6ed2b160d167. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190348101 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Le nozze di Figaro, K. 492, Act I: Overture
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 99.659
    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: 0.397
    additional property: Energy
      type: PropertyValue
      value: 0.143
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.943
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.934
    additional property: Liveness
      type: PropertyValue
      value: 0.106
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.318
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.629
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Carmen: Carmen, Act I: L'amour est un oiseau rebelle, "Habanera"
  type: MusicRecording
  duration: PT4M54S
  duration ms: 294906
  explicit: false
  by artist: Georges Bizet
  by artist: Graciela Alperyn
  by artist: Slovak Philharmonic Chorus
  by artist: Slovak Radio Symphony Orchestra
  by artist: Alexander Rahbari
  in album: Opera - 50 of the Best
    type: MusicAlbum
    date published: 2012-10-01
  genre: classical
  genre: opera
  isrc code: HKI199220603
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T13:51:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x975ba0af516173b811bb9c46843277358aea7ba4dd791562fff2ccf9e00f07bd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960264
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960264
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199220603
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T14:36:16Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x975ba0af516173b811bb9c46843277358aea7ba4dd791562fff2ccf9e00f07bd. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199220603 — a six-check JSON result.
    date published: 2026-07-30T14:36:16Z
  audio: Carmen: Carmen, Act I: L'amour est un oiseau rebelle, "Habanera"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 117.558
    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: 0.337
    additional property: Energy
      type: PropertyValue
      value: 0.026
    additional property: Speechiness
      type: PropertyValue
      value: 0.077
    additional property: Acousticness
      type: PropertyValue
      value: 0.985
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.064
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.129
    additional property: Loudness (dB)
      type: PropertyValue
      value: -26.914
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Manon Lescaut, Act I: Donna non vidi mai simile a questa!
  type: MusicRecording
  duration: PT2M35S
  duration ms: 155200
  explicit: false
  by artist: Giacomo Puccini
  by artist: Kaludi Kaludov
  by artist: Belgian Radio and Television Philharmonic Orchestra
  by artist: Alexander Rahbari
  in album: Opera - 50 of the Best
    type: MusicAlbum
    date published: 2012-10-01
  isrc code: HKI199290107
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Manon Lescaut, Act I: Donna non vidi mai simile a questa!
track: Gianni Schicchi: O mio babbino caro
track: Le nozze di Figaro, K. 492, Act I: Aria: Non piu andrai, farfallone amoroso
track: Turandot, Act III: Nessun dorma!
track: Madama Butterfly, Act II: Un bel di vedremo
track: Don Giovanni, K. 527, Act II: Aria: Vedrai, carino
track: Carmen: Carmen, Act II: Toreador Song: Votre toast, je peux vous le rendre
track: Rigoletto, Act III: La donna e mobile
track: Die Zauberflote (The Magic Flute), K. 620, Act II: Der Holle Rache kocht in meinem Herzen
track: Les contes d'Hoffmann (The Tales of Hoffmann): Les Contes D'Hoffmann: Barcarolle
track: Norma: Norma, Act I: Casta diva
track: Madama Butterfly, Act II: Humming Chorus
track: La boheme, Act I: Che gelida manina
track: La Wally, Act I: Ebben? Ne andro lontana

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-06T22:56:44+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x7ab5213d6a14a180866aee7ad3aeb1fa45b9274c357a2cb301f3fdebbc8a7bcd

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957118

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199290107

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

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ab5213d6a14a180866aee7ad3aeb1fa45b9274c357a2cb301f3fdebbc8a7bcd. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199290107 — a six-check JSON result.
date published: 2026-07-08T03:20:19Z

Manon Lescaut, Act I: Donna non vidi mai simile a questa!
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 100.841
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: 0.174
additional property: Energy
  type: PropertyValue
  value: 0.103
additional property: Speechiness
  type: PropertyValue
  value: 0.042
additional property: Acousticness
  type: PropertyValue
  value: 0.977
additional property: Instrumentalness
  type: PropertyValue
  value: 0.06
additional property: Liveness
  type: PropertyValue
  value: 0.245
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.114
additional property: Loudness (dB)
  type: PropertyValue
  value: -25.815
additional property: Key Name
  type: PropertyValue
  value: Bb
additional property: Mode Name
  type: PropertyValue
  value: Major

Gianni Schicchi: O mio babbino caro
type: MusicRecording
duration: PT2M9S
duration ms: 129066
explicit: false
by artist: Giacomo Puccini
by artist: Tatiana Lisnic
by artist: Malaga Symphony Orchestra
by artist: Alexander Rahbari
in album: Opera - 50 of the Best
  type: MusicAlbum
  date published: 2012-10-01
isrc code: HKI190301808
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:49:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x02d563709318ec90680026dd48ec4e3ab816d290066c4d4aff352fba8c1c1f14
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/HKI190301808
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02d563709318ec90680026dd48ec4e3ab816d290066c4d4aff352fba8c1c1f14. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190301808 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Gianni Schicchi: O mio babbino caro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.615
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.272
  additional property: Energy
    type: PropertyValue
    value: 0.264
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.906
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.519
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492, Act I: Aria: Non piu andrai, farfallone amoroso
type: MusicRecording
duration: PT4M5S
duration ms: 245373
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Renato Girolami
by artist: Nicolaus Esterhazy Sinfonia
by artist: Michael Halasz
in album: Opera - 50 of the Best
  type: MusicAlbum
  date published: 2012-10-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: HKI190348120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:38:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x31bd9a92eecd30dc32a0c2a9f4ec88d7fe97feb2f8865ded3b2953c4035d13e3
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/HKI190348120
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31bd9a92eecd30dc32a0c2a9f4ec88d7fe97feb2f8865ded3b2953c4035d13e3. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190348120 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Le nozze di Figaro, K. 492, Act I: Aria: Non piu andrai, farfallone amoroso
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.164
  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: 0.514
  additional property: Energy
    type: PropertyValue
    value: 0.2
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.082
  additional property: Liveness
    type: PropertyValue
    value: 0.119
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.507
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.728
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Turandot, Act III: Nessun dorma!
type: MusicRecording
duration: PT2M31S
duration ms: 151920
explicit: false
by artist: Giacomo Puccini
by artist: Lando Bartolini
by artist: Bilbao Choral Society
by artist: Malaga Philharmonic Orchestra
by artist: Alexander Rahbari
in album: Opera - 50 of the Best
  type: MusicAlbum
  date published: 2012-10-01
isrc code: HKI190159310
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T00:36:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc910e47fb31b3fd2fd5f9fcb401bc07461314c13406b10a6fc5d460f81bfc252
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190159310
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc910e47fb31b3fd2fd5f9fcb401bc07461314c13406b10a6fc5d460f81bfc252. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190159310 — a six-check JSON result.
  date published: 2026-07-07T18:39:05Z
audio: Turandot, Act III: Nessun dorma!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.729
  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: 0.223
  additional property: Energy
    type: PropertyValue
    value: 0.143
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.561
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.144
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.43
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Madama Butterfly, Act II: Un bel di vedremo
type: MusicRecording
duration: PT4M41S
duration ms: 281000
explicit: false
by artist: Giacomo Puccini
by artist: Miriam Gauci
by artist: Slovak Radio Symphony Orchestra
by artist: Alexander Rahbari
in album: Opera - 50 of the Best
  type: MusicAlbum
  date published: 2012-10-01
isrc code: HKI199287408
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x39a4e7f1bb37236d793852395b4b8134f1a13554a2991a8371e16c05cc1a1361
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199287408
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39a4e7f1bb37236d793852395b4b8134f1a13554a2991a8371e16c05cc1a1361. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199287408 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Madama Butterfly, Act II: Un bel di vedremo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.011
  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: 0.174
  additional property: Energy
    type: PropertyValue
    value: 0.037
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.96
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.89
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Act II: Aria: Vedrai, carino
type: MusicRecording
duration: PT3M34S
duration ms: 214920
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Ildiko Raimondi
by artist: Nicolaus Esterhazy Sinfonia
by artist: Michael Halasz
in album: Opera - 50 of the Best
  type: MusicAlbum
  date published: 2012-10-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: HKI190136424
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T07:37:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x400bcc2105d402739d83443ab8f9523dfc3ba90456d208b7498edd45c3086b7e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960222
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960222
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190136424
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T07:48:45Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x400bcc2105d402739d83443ab8f9523dfc3ba90456d208b7498edd45c3086b7e. Chain 2 (Bitcoin): anchored in block 960222 (2026-07-30T07:48:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190136424 — a six-check JSON result.
  date published: 2026-07-30T07:48:45Z
audio: Don Giovanni, K. 527, Act II: Aria: Vedrai, carino
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  additional property: Musical Key
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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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    value: 0.134
  additional property: Valence (Positivity)
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    value: 0.099
  additional property: Loudness (dB)
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    value: -23.636
  additional property: Key Name
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    value: C
  additional property: Mode Name
    type: PropertyValue
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Carmen: Carmen, Act II: Toreador Song: Votre toast, je peux vous le rendre
type: MusicRecording
duration: PT5M0S
duration ms: 300000
explicit: false
by artist: Georges Bizet
by artist: Alan Titus
by artist: Graciela Alperyn
by artist: Slovak Philharmonic Chorus
by artist: Slovak Radio Symphony Orchestra
by artist: Alexander Rahbari
in album: Opera - 50 of the Best
  type: MusicAlbum
  date published: 2012-10-01
genre: classical
genre: opera
isrc code: HKI199220606
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T18:29:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd8883b1a6d19fb9880e337a5cf3cd641bfb1e3d798039f554e3e0e6905c9b83a
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199220606
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8883b1a6d19fb9880e337a5cf3cd641bfb1e3d798039f554e3e0e6905c9b83a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199220606 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Carmen: Carmen, Act II: Toreador Song: Votre toast, je peux vous le rendre
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 121.282
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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Rigoletto, Act III: La donna e mobile
type: MusicRecording
duration: PT2M19S
duration ms: 139133
explicit: false
by artist: Giuseppe Verdi
by artist: Yordy Ramiro
by artist: Slovak Radio Symphony Orchestra
by artist: Alexander Rahbari
in album: Opera - 50 of the Best
  type: MusicAlbum
  date published: 2012-10-01
genre: classical
genre: opera
isrc code: HKI199190415
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd6205485fb0c7e32d7a916d36ebcbb1ea2fde3831dc0b3684c9807fdc1656798
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960463
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960463
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199190415
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T20:42:35Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6205485fb0c7e32d7a916d36ebcbb1ea2fde3831dc0b3684c9807fdc1656798. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199190415 — a six-check JSON result.
  date published: 2026-07-31T20:42:35Z
audio: Rigoletto, Act III: La donna e mobile
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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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
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Die Zauberflote (The Magic Flute), K. 620, Act II: Der Holle Rache kocht in meinem Herzen
type: MusicRecording
duration: PT2M51S
duration ms: 171000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Hellen Kwon
by artist: Budapest Failoni Chamber Orchestra
by artist: Michael Halasz
in album: Opera - 50 of the Best
  type: MusicAlbum
  date published: 2012-10-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: HKI199490208
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T08:05:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7ca1f93242ab74332c23515d22d541842226c49c73cefbb40ab13710d92e888b
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/HKI199490208
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ca1f93242ab74332c23515d22d541842226c49c73cefbb40ab13710d92e888b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199490208 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Die Zauberflote (The Magic Flute), K. 620, Act II: Der Holle Rache kocht in meinem Herzen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 150.078
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  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
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.434
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.13
  additional property: Key Name
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    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Les contes d'Hoffmann (The Tales of Hoffmann): Les Contes D'Hoffmann: Barcarolle
type: MusicRecording
duration: PT3M59S
duration ms: 239960
explicit: false
by artist: Jacques Offenbach
by artist: Kristine Jepson
by artist: Indra Thomas
by artist: Royal Philharmonic Orchestra
by artist: Charles Rosekrans
in album: Opera - 50 of the Best
  type: MusicAlbum
  date published: 2012-10-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: HKI190323009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:16:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x24fe00cb2530b4ba22e0e85602900138812fa5a791bef62d610a69cce1a11a48
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190323009
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24fe00cb2530b4ba22e0e85602900138812fa5a791bef62d610a69cce1a11a48. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190323009 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Les contes d'Hoffmann (The Tales of Hoffmann): Les Contes D'Hoffmann: Barcarolle
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 95.292
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  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
    value: 0.927
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.347
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.995
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
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Norma: Norma, Act I: Casta diva
type: MusicRecording
duration: PT10M2S
duration ms: 602493
explicit: false
by artist: Vincenzo Bellini
by artist: Marina Mescheriakova
by artist: Slovak Philharmonic Chorus
by artist: Slovak Radio Symphony Orchestra
by artist: Michael Halasz
in album: Opera - 50 of the Best
  type: MusicAlbum
  date published: 2012-10-01
genre: opera
isrc code: HKI190316406
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T06:55:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x56bf3b30fdfc0431b081fb35d8a0ec17481a24fa729bfc43b3b3f1838d9ae917
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/HKI190316406
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56bf3b30fdfc0431b081fb35d8a0ec17481a24fa729bfc43b3b3f1838d9ae917. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190316406 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Norma: Norma, Act I: Casta diva
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.42
  additional property: Musical Key
    type: PropertyValue
    value: 5
  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: 0.247
  additional property: Energy
    type: PropertyValue
    value: 0.06
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Madama Butterfly, Act II: Humming Chorus
type: MusicRecording
duration: PT2M47S
duration ms: 167240
explicit: false
by artist: Giacomo Puccini
by artist: Slovak Philharmonic Choir
by artist: Slovak Radio Symphony Orchestra
by artist: Alexander Rahbari
in album: Opera - 50 of the Best
  type: MusicAlbum
  date published: 2012-10-01
isrc code: HKI199287411
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:42:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9b71b6ec6e797b1206620e6ac1341eadf329256192619da73e4306d7e53040d0
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/HKI199287411
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b71b6ec6e797b1206620e6ac1341eadf329256192619da73e4306d7e53040d0. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199287411 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Madama Butterfly, Act II: Humming Chorus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.527
  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: 0.128
  additional property: Energy
    type: PropertyValue
    value: 0.008
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.977
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -39.688
  additional property: Key Name
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    value: Bb
  additional property: Mode Name
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La boheme, Act I: Che gelida manina
type: MusicRecording
duration: PT4M22S
duration ms: 262666
explicit: false
by artist: Giacomo Puccini
by artist: Jonathan Welch
by artist: Slovak Radio Symphony Orchestra
by artist: Will Humburg
in album: Opera - 50 of the Best
  type: MusicAlbum
  date published: 2012-10-01
isrc code: HKI199092209
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T21:01:22+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: La boheme, Act I: Che gelida manina
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La Wally, Act I: Ebben? Ne andro lontana
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by artist: Miriam Gauci
by artist: Belgian Radio and Television Philharmonic Orchestra
by artist: Alexander Rahbari
in album: Opera - 50 of the Best
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genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x769e720285311ad46195857586275f62c60484b3cfc3a30c76166077fc1878d8. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199310904 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: La Wally, Act I: Ebben? Ne andro lontana
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Rossini: Donna Del Lago (La)
type: MusicAlbum
date published: 2008-01-27
track: La donna del lago, Act I: Quali accenti! Quai tormenti! (Uberto, Elena)
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  duration: PT2M23S
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  by artist: Gioachino Rossini
  by artist: Sonia Ganassi
  by artist: Maxim Mironov
  by artist: Marianna Pizzolato
  by artist: Ferdinand von Bothmer
  by artist: Wojtek Gierlach
  by artist: Olga Peretyatko
  by artist: Stefan Cifolelli
  by artist: Prague Chamber Choir
  by artist: Tubingen Festival Band
  by artist: SWR Rundfunkorchester Kaiserslautern
  by artist: Alberto Zedda
  in album: Rossini: Donna Del Lago (La)
    type: MusicAlbum
    date published: 2008-01-27
  genre: classical
  genre: opera
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190778909
  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:20:19Z
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A Guided Tour of the Romantic Era, Vol. 3
type: MusicAlbum
date published: 2013-03-12

Bel Canto Bully: The musical legacy of the legendary opera impresario Domenico Barbaja
type: MusicAlbum
date published: 2013-04-02

Cherubini: Masses, Overtures, Motets
type: MusicAlbum
date published: 2010-08-09
track: Cherubini: Missa solemnis in D Minor: Kyrie eleison I
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  by artist: Riccardo Muti
  by artist: Bavarian Radio Chorus
  by artist: Bavarian Radio Symphony Orchestra
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    date published: 2010-08-09
  genre: classical
  genre: requiem
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-31T13:04:34Z
  audio: Cherubini: Missa solemnis in D Minor: Kyrie eleison I
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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track: Cherubini: Requiem in C Minor: Introitus & Kyrie
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  duration: PT7M16S
  duration ms: 436893
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  by artist: Riccardo Muti
  by artist: Ambrosian Singers
  by artist: Philharmonia Orchestra
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    type: MusicAlbum
    date published: 2010-08-09
  genre: classical
  genre: requiem
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:20:19Z
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  by artist: Bavarian Radio Symphony Orchestra
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    date published: 2010-08-09
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Cherubini: Missa solemnis in D Minor: Kyrie eleison II
track: Cherubini: Requiem in C Minor: Dies irae
track: Cherubini: Mass in F Major "Messe de Chimay": Crucifixus

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OTSHash
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OTSBitcoinBlock
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value: 957118

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0101614

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

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28c3b914ad87e793a909ed84402ca132509bf4380c5574b0f54752ce1f1a5157. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0101614 — a six-check JSON result.
date published: 2026-07-08T03:20:19Z

Cherubini: Missa solemnis in D Minor: Kyrie eleison II
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Danceability
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Valence (Positivity)
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additional property: Key Name
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Cherubini: Requiem in C Minor: Dies irae
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duration: PT10M12S
duration ms: 612333
explicit: false
by artist: Luigi Cherubini
by artist: Riccardo Muti
by artist: Ambrosian Singers
by artist: Philharmonia Orchestra
in album: Cherubini: Masses, Overtures, Motets
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genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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  by artist: Maxim Mironov
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  by artist: Prague Chamber Chorus
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  subject of: OpenTimestamps Proof of Existence
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track: L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 3: Languir per una bella (Lindoro)
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  subject of: OpenTimestamps Proof of Existence
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  by artist: Alex Esposito
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track: L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 12: Last Scene: Pria di dividerci da voi, Signore (Elvira, Zulma, Lindoro, Isabella, Mustafa, Haly, Taddeo)
track: L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 12: Va sossopra il mio cervello (Taddeo, Mustafa, Elvira, Isabella, Zulma, Lindoro, Haly, Chorus)

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Marco Vinco
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Bruno De Simone
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Barbara Bargnesi
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José Maria Lo Monaco
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Alex Esposito
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Prague Chamber Chorus
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Orchestra del Teatro Comunale di Bologna
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Donato Renzetti
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OpenTimestamps Proof of Existence
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date published: 2026-07-31T19:53:13Z

L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 10: E puo la tua padrona (Haly, Zulma) - Scene 11: Tutti i nostri (Taddeo, Lindoro)
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L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 12: Last Scene: Pria di dividerci da voi, Signore (Elvira, Zulma, Lindoro, Isabella, Mustafa, Haly, Taddeo)
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subject of: OpenTimestamps Proof of Existence
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L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 12: Va sossopra il mio cervello (Taddeo, Mustafa, Elvira, Isabella, Zulma, Lindoro, Haly, Chorus)
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by artist: Alex Esposito
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Italian Operatic Overtures, Vol. 2: The Early 19th Century
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Rossini: Sigismondo (Live)
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Cimarosa: Il marito disperato (The Desperate Husband) [Highlights]
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Rossini: Semiramide
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track: L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 10: Coro nel Finale I: Viva, viva il flagel delle donne (Chorus, Haly, Mustafa)
track: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 8: Recitativo: E tu speri di togliere (Taddeo, Lindoro, Mustafa)
track: L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 11: Duettino nel Finale I: Oh! Che muso, che figura! (Isabella, Mustafa)
track: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 10: Recitativo: Orsu: la tua nipote con chi crede (Mustafa, Lindoro, Taddeo)
track: L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 12: Quartettino nel Finale I: Vo' star con mia nipote (Taddeo, Haly, Mustafa, Isabella)
track: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 10: Terzetto: Pappataci! Che mai sento! (Mustafa, Lindoro, Taddeo)
track: L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 13: Settimino: Pria di dividerci - Seguito e Stretta: Va sossopra il mio cervello (Zulma, Elvira, Lindoro, Isabella, Mustafa, T
track: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 11: Recitativo: Tutti i nostri Italiani (Taddeo, Lindoro)
track: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 11: Coro: Pronti abbiamo e ferri e mani (Chorus)
track: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 11: Recitativo: Amici, in ogni evento (Isabella, Taddeo)
track: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 11: Scena ed Aria: Pensa alla patria, e intrepido (Isabella, Chorus)
track: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 12: Recitativo: Che bel core ha costei! (Taddeo, Mustafa)
track: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 13: Finale II: Dei pappataci s'avanza il coro (Lindoro, Chorus, Taddeo, Mustafa)
track: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 14: Quartetto nel Finale II: Non sei tu che il grado eletto (Isabella, Mustafa, Chorus, Lindoro, Taddeo)
track: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 15: Seguito: Son l'aure seconde, son placide l'onde (Chorus, Lindoro, Isabella, Taddeo, Mustafa)
track: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 16: Stretta del Finale II: Mio signore (Haly, Elvira, Zulma, Mustafa, Isabella, Lindoro, Taddeo, Chorus)

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Bruno De Simone
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Transylvania State Philharmonic Choir
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Virtuosi Brunensis
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date published: 2026-07-30T00:39:11Z

L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 1: Introduzione: Serenate il mesto ciglio - Cavatina e Stretta dell'Introduzione: Delle donne l'arroganza (Chorus, Elvira, Zulm
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L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 2: Recitativo: Amiche, andate a dire all'Italiana (Mustafa, Zulma, Elvira)
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  date published: 2026-07-31T00:26:26Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 2: Recitativo: Amiche, andate a dire all'Italiana (Mustafa, Zulma, Elvira)
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L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 1: Recitativo: Ritiratevi tutti (Mustafa, Zulma, Elvira, Haly)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 1: Recitativo: Ritiratevi tutti (Mustafa, Zulma, Elvira, Haly)
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L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 3: Recitativo: Qual disdetta e la mia! Onor e patria (Isabella, Lindoro)
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  date published: 2026-07-08T03:20:19Z
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L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 3: Cavatina: Languir per una bella (Lindoro)
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L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 3: Cavatina: Oh, come il cor di giubilo (Lindoro)
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1702832e8131faf7e2fa632a93a70f76e954173daf965e6ee6f15274966b4484. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004504 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 3: Cavatina: Oh, come il cor di giubilo (Lindoro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.041
  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: 0.415
  additional property: Energy
    type: PropertyValue
    value: 0.194
  additional property: Speechiness
    type: PropertyValue
    value: 0.148
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.696
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.419
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.395
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 3: Recitativo e Duetto: Ah, quando fia (Lindoro, Mustafa)
type: MusicRecording
duration: PT1M9S
duration ms: 69786
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004405
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T09:26:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd5be8b22329a5f01e20a1a343c5147535a630ba732a12c988efc3bf94ed5e89b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960240
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960240
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004405
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:57:33Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5be8b22329a5f01e20a1a343c5147535a630ba732a12c988efc3bf94ed5e89b. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004405 — a six-check JSON result.
  date published: 2026-07-30T09:57:33Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 3: Recitativo e Duetto: Ah, quando fia (Lindoro, Mustafa)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.105
  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: 0.568
  additional property: Energy
    type: PropertyValue
    value: 0.175
  additional property: Speechiness
    type: PropertyValue
    value: 0.38
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.614
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.481
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.132
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 4: Recitativo: Ah! Se da solo a sola (Mustafa, Taddeo)
type: MusicRecording
duration: PT1M11S
duration ms: 71866
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004505
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:47:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x74813fc650f6b7fa1af874ba1e81a9254f01f3f6d11c2520b807fe69bc5987db
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/HKI191004505
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74813fc650f6b7fa1af874ba1e81a9254f01f3f6d11c2520b807fe69bc5987db. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004505 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 4: Recitativo: Ah! Se da solo a sola (Mustafa, Taddeo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.316
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.544
  additional property: Energy
    type: PropertyValue
    value: 0.202
  additional property: Speechiness
    type: PropertyValue
    value: 0.336
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.689
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.526
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.41
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 3: Duetto: Se inclinassi a prender moglie (Lindoro, Mustafa)
type: MusicRecording
duration: PT4M8S
duration ms: 248120
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004406
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T08:44:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4bde224f437c2a42a88a1c83d9480abda762029acf955cf948c41424fa460e51
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: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004406
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:37:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bde224f437c2a42a88a1c83d9480abda762029acf955cf948c41424fa460e51. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004406 — a six-check JSON result.
  date published: 2026-07-30T09:37:10Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 3: Duetto: Se inclinassi a prender moglie (Lindoro, Mustafa)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.101
  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: 0.485
  additional property: Energy
    type: PropertyValue
    value: 0.287
  additional property: Speechiness
    type: PropertyValue
    value: 0.264
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.667
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.522
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.754
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 4: Coro: Viva il grande Kaimakan (Chorus)
type: MusicRecording
duration: PT0M56S
duration ms: 56706
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004506
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:53:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x172a2ed66be833ce5b38d733fb9f9beaf801e227bad5854eb7ed46e633dc7d7d
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/HKI191004506
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x172a2ed66be833ce5b38d733fb9f9beaf801e227bad5854eb7ed46e633dc7d7d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004506 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 4: Coro: Viva il grande Kaimakan (Chorus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.578
  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: 0.645
  additional property: Energy
    type: PropertyValue
    value: 0.079
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.148
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.436
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.36
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 4: Coro: Quanta roba! Quanti schiavi! - Cavatina: Cruda sorte! Amor tiranno! (Chorus, Isabella)
type: MusicRecording
duration: PT5M20S
duration ms: 320333
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004407
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T12:17:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x652bee6c212a3954867dcae4718166e8ad4fba8afed41ae38117a7f4ee7f2878
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: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004407
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T12:45:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x652bee6c212a3954867dcae4718166e8ad4fba8afed41ae38117a7f4ee7f2878. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004407 — a six-check JSON result.
  date published: 2026-07-30T12:45:34Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 4: Coro: Quanta roba! Quanti schiavi! - Cavatina: Cruda sorte! Amor tiranno! (Chorus, Isabella)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.823
  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: 0.396
  additional property: Energy
    type: PropertyValue
    value: 0.089
  additional property: Speechiness
    type: PropertyValue
    value: 0.115
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.748
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.197
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.106
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 4: Recitativo: Gia ci siam. Tanto fa (Isabella, Taddeo, Haly)
type: MusicRecording
duration: PT1M17S
duration ms: 77493
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004408
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T07:57:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2b45566828adb2dc5cfd892b3253603fa81c909d27776c8a7ad7e1380ecf5729
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960225
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960225
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004408
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T08:04:30Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b45566828adb2dc5cfd892b3253603fa81c909d27776c8a7ad7e1380ecf5729. Chain 2 (Bitcoin): anchored in block 960225 (2026-07-30T08:04:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004408 — a six-check JSON result.
  date published: 2026-07-30T08:04:30Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 4: Recitativo: Gia ci siam. Tanto fa (Isabella, Taddeo, Haly)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.762
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.594
  additional property: Energy
    type: PropertyValue
    value: 0.164
  additional property: Speechiness
    type: PropertyValue
    value: 0.402
  additional property: Acousticness
    type: PropertyValue
    value: 0.945
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.668
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.202
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.517
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 4: Aria: Ho un gran peso sulla testa (Taddeo, Chorus)
type: MusicRecording
duration: PT4M1S
duration ms: 241946
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004508
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T19:16:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x155913492c9c95c698dc7c0210cb240e1603cf50551cb0ded77c013ba97228ca
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/HKI191004508
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x155913492c9c95c698dc7c0210cb240e1603cf50551cb0ded77c013ba97228ca. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004508 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 4: Aria: Ho un gran peso sulla testa (Taddeo, Chorus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.581
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.508
  additional property: Energy
    type: PropertyValue
    value: 0.218
  additional property: Speechiness
    type: PropertyValue
    value: 0.113
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.677
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.476
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.83
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 5: Recitativo: Ah! Isabella … siam giunti a mal partito (Taddeo, Isabella)
type: MusicRecording
duration: PT1M13S
duration ms: 73826
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004409
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:20:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd24d8973c07a31fb61bfe7f3903f8898add80ce128760ab61e82afa52103b603
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/HKI191004409
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd24d8973c07a31fb61bfe7f3903f8898add80ce128760ab61e82afa52103b603. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004409 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 5: Recitativo: Ah! Isabella … siam giunti a mal partito (Taddeo, Isabella)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.083
  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: 0.582
  additional property: Energy
    type: PropertyValue
    value: 0.173
  additional property: Speechiness
    type: PropertyValue
    value: 0.505
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.684
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.557
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.22
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 5: Recitativo: Dunque a momenti (Isabella, Lindoro, Elvira, Zulma)
type: MusicRecording
duration: PT1M56S
duration ms: 116200
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004509
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T22:18:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeaeaa4a6066aef2161ff7693f7a8469e8a15d1ef35e41c79ab551d7b1cb8c390
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004509
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaeaa4a6066aef2161ff7693f7a8469e8a15d1ef35e41c79ab551d7b1cb8c390. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004509 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 5: Recitativo: Dunque a momenti (Isabella, Lindoro, Elvira, Zulma)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.012
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.541
  additional property: Energy
    type: PropertyValue
    value: 0.075
  additional property: Speechiness
    type: PropertyValue
    value: 0.335
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.084
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.241
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.082
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 5: Duetto: Ai capricci della sorte (Isabella, Taddeo)
type: MusicRecording
duration: PT7M25S
duration ms: 445640
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004410
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T14:37:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3f896823cc96a4979e4d2033cf63e9e5cbe79f11778f0b2280f5223fa9737d40
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960268
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960268
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004410
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:53:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f896823cc96a4979e4d2033cf63e9e5cbe79f11778f0b2280f5223fa9737d40. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004410 — a six-check JSON result.
  date published: 2026-07-30T14:53:07Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 5: Duetto: Ai capricci della sorte (Isabella, Taddeo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 149.254
  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: 0.465
  additional property: Energy
    type: PropertyValue
    value: 0.161
  additional property: Speechiness
    type: PropertyValue
    value: 0.409
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.696
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.326
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.226
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 5: Cavatina: Per lui che adoro (Isabella, Mustafa, Taddeo, Lindoro)
type: MusicRecording
duration: PT6M8S
duration ms: 368226
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004510
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T23:45:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb8c05c47f736781891bc2b67c4c8fbbba559be1cd28dd6454f32d243ada502d2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004510
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8c05c47f736781891bc2b67c4c8fbbba559be1cd28dd6454f32d243ada502d2. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004510 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 5: Cavatina: Per lui che adoro (Isabella, Mustafa, Taddeo, Lindoro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.665
  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: 0.307
  additional property: Energy
    type: PropertyValue
    value: 0.054
  additional property: Speechiness
    type: PropertyValue
    value: 0.079
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.672
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.13
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.269
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 6: Recitativo: Io non resisto piu: questa Isabella (Mustafa, Taddeo, Lindoro)
type: MusicRecording
duration: PT0M41S
duration ms: 41080
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004511
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T18:58:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1753fc0ce1d3a9133b4dfac9177d031d35d792d37b49e6fc7a2f5841b2ddd2aa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004511
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1753fc0ce1d3a9133b4dfac9177d031d35d792d37b49e6fc7a2f5841b2ddd2aa. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004511 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 6: Recitativo: Io non resisto piu: questa Isabella (Mustafa, Taddeo, Lindoro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.29
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.635
  additional property: Energy
    type: PropertyValue
    value: 0.183
  additional property: Speechiness
    type: PropertyValue
    value: 0.396
  additional property: Acousticness
    type: PropertyValue
    value: 0.952
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.734
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.596
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.672
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 6: Recitativo: E ricusar potresti (Zulma, Lindoro, Elvira) - Scene 7: Ascoltami, Italiano (Mustafa, Lindoro) - Scene 8: Dunque
type: MusicRecording
duration: PT2M55S
duration ms: 175666
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004411
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:53:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb1a9bdfea9565976d821b6b2ddc015566c3098421d9beeb7605fe961f02f5df3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004411
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1a9bdfea9565976d821b6b2ddc015566c3098421d9beeb7605fe961f02f5df3. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004411 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 6: Recitativo: E ricusar potresti (Zulma, Lindoro, Elvira) - Scene 7: Ascoltami, Italiano (Mustafa, Lindoro) - Scene 8: Dunque
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.42
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.52
  additional property: Energy
    type: PropertyValue
    value: 0.148
  additional property: Speechiness
    type: PropertyValue
    value: 0.376
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.509
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.397
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.346
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 6: Quintetto: Ti presento di mia man (Mustafa, Isabella, Taddeo, Lindoro, Elvira)
type: MusicRecording
duration: PT9M40S
duration ms: 580240
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004512
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T22:22:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1e15d261793211fa034a02b0a93b49124f641f87c040dbce48d8a8937c6c1336
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004512
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e15d261793211fa034a02b0a93b49124f641f87c040dbce48d8a8937c6c1336. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004512 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 6: Quintetto: Ti presento di mia man (Mustafa, Isabella, Taddeo, Lindoro, Elvira)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.401
  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: 0.253
  additional property: Speechiness
    type: PropertyValue
    value: 0.419
  additional property: Acousticness
    type: PropertyValue
    value: 0.951
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.679
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.419
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.789
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 8: Aria: Gia d'insolito ardore nel petto (Mustafa)
type: MusicRecording
duration: PT3M22S
duration ms: 202320
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004412
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:37:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf58d75ebd91e8e122bf4fefb73ec0cb6c48b00f1467956df5ab9214c50c1b89e
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/HKI191004412
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf58d75ebd91e8e122bf4fefb73ec0cb6c48b00f1467956df5ab9214c50c1b89e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004412 — a six-check JSON result.
  date published: 2026-07-13T07:53:33Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 8: Aria: Gia d'insolito ardore nel petto (Mustafa)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 91.126
  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: 0.348
  additional property: Energy
    type: PropertyValue
    value: 0.305
  additional property: Speechiness
    type: PropertyValue
    value: 0.448
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.022
  additional property: Liveness
    type: PropertyValue
    value: 0.883
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.666
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.26
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 7: Recitativo: Con tutta la sua boria (Haly)
type: MusicRecording
duration: PT0M33S
duration ms: 33680
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004513
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T16:45:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x63148c6223fae9711845b0add42e9a3cc77e0a4fcc8834b99cd3b4bb40f4ddbe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960441
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960441
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004513
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63148c6223fae9711845b0add42e9a3cc77e0a4fcc8834b99cd3b4bb40f4ddbe. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004513 — a six-check JSON result.
  date published: 2026-07-31T17:29:52Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 7: Recitativo: Con tutta la sua boria (Haly)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.047
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.568
  additional property: Energy
    type: PropertyValue
    value: 0.097
  additional property: Speechiness
    type: PropertyValue
    value: 0.18
  additional property: Acousticness
    type: PropertyValue
    value: 0.901
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.482
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.43
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.75
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 9: Recitativo: Vi dico il ver (Zulma, Elvira, Lindoro)
type: MusicRecording
duration: PT0M34S
duration ms: 34800
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004413
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:44:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x75d88568bce4d59c81fd105e8928061b9c041020f761e9995c1c512886e11c98
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/HKI191004413
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75d88568bce4d59c81fd105e8928061b9c041020f761e9995c1c512886e11c98. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004413 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 9: Recitativo: Vi dico il ver (Zulma, Elvira, Lindoro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.726
  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: 0.523
  additional property: Energy
    type: PropertyValue
    value: 0.121
  additional property: Speechiness
    type: PropertyValue
    value: 0.332
  additional property: Acousticness
    type: PropertyValue
    value: 0.915
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.565
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.193
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.672
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 7: Aria: Le femmine d'Italia (Haly)
type: MusicRecording
duration: PT2M33S
duration ms: 153986
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004514
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T12:36:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2ebd1e166c30299cac58f3192ec75faffb00681d83f89f94c0fca0841bdcc591
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960259
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960259
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004514
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T12:51:24Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ebd1e166c30299cac58f3192ec75faffb00681d83f89f94c0fca0841bdcc591. Chain 2 (Bitcoin): anchored in block 960259 (2026-07-30T12:51:24Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004514 — a six-check JSON result.
  date published: 2026-07-30T12:51:24Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 7: Aria: Le femmine d'Italia (Haly)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.054
  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: 0.416
  additional property: Energy
    type: PropertyValue
    value: 0.137
  additional property: Speechiness
    type: PropertyValue
    value: 0.103
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.724
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.258
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.704
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 10: Coro nel Finale I: Viva, viva il flagel delle donne (Chorus, Haly, Mustafa)
type: MusicRecording
duration: PT2M22S
duration ms: 142520
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004414
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T00:22:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd64f4bd91717540ac728a5a055559ef5b96d70cd834254ca02c70633cedea57a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004414
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd64f4bd91717540ac728a5a055559ef5b96d70cd834254ca02c70633cedea57a. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004414 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 10: Coro nel Finale I: Viva, viva il flagel delle donne (Chorus, Haly, Mustafa)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.094
  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: 0.475
  additional property: Energy
    type: PropertyValue
    value: 0.086
  additional property: Speechiness
    type: PropertyValue
    value: 0.071
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.016
  additional property: Liveness
    type: PropertyValue
    value: 0.136
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.117
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.597
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 8: Recitativo: E tu speri di togliere (Taddeo, Lindoro, Mustafa)
type: MusicRecording
duration: PT0M52S
duration ms: 52826
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004515
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:57:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7346a6755f4c42000bef4e475d0206fea31e3c3f786dba594cc6edb510182eb6
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/HKI191004515
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7346a6755f4c42000bef4e475d0206fea31e3c3f786dba594cc6edb510182eb6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004515 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 8: Recitativo: E tu speri di togliere (Taddeo, Lindoro, Mustafa)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.213
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.639
  additional property: Energy
    type: PropertyValue
    value: 0.182
  additional property: Speechiness
    type: PropertyValue
    value: 0.494
  additional property: Acousticness
    type: PropertyValue
    value: 0.953
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.182
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.424
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.031
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 11: Duettino nel Finale I: Oh! Che muso, che figura! (Isabella, Mustafa)
type: MusicRecording
duration: PT4M6S
duration ms: 246600
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004415
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T20:21:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x81a190269c05882ec00f804ebdaadea0317f6bd60ed8bd7a2d1934a0aa4bc854
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960309
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960309
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004415
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T20:35:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81a190269c05882ec00f804ebdaadea0317f6bd60ed8bd7a2d1934a0aa4bc854. Chain 2 (Bitcoin): anchored in block 960309 (2026-07-30T20:35:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004415 — a six-check JSON result.
  date published: 2026-07-30T20:35:49Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 11: Duettino nel Finale I: Oh! Che muso, che figura! (Isabella, Mustafa)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.306
  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: 0.345
  additional property: Energy
    type: PropertyValue
    value: 0.144
  additional property: Speechiness
    type: PropertyValue
    value: 0.114
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.434
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.19
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 10: Recitativo: Orsu: la tua nipote con chi crede (Mustafa, Lindoro, Taddeo)
type: MusicRecording
duration: PT0M56S
duration ms: 56306
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004516
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T13:17:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfd7f24e053ad40e545c597a953ae13ab3ebaa07af40c000e17b2e8cb25098c26
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960410
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960410
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004516
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:50:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd7f24e053ad40e545c597a953ae13ab3ebaa07af40c000e17b2e8cb25098c26. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004516 — a six-check JSON result.
  date published: 2026-07-31T13:50:38Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 10: Recitativo: Orsu: la tua nipote con chi crede (Mustafa, Lindoro, Taddeo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.744
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.553
  additional property: Energy
    type: PropertyValue
    value: 0.218
  additional property: Speechiness
    type: PropertyValue
    value: 0.427
  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.21
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.566
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.567
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 12: Quartettino nel Finale I: Vo' star con mia nipote (Taddeo, Haly, Mustafa, Isabella)
type: MusicRecording
duration: PT2M18S
duration ms: 138040
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004416
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:46:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2eb032330c9f321d22f663ab2296b951abc1337743a76771ea692fa58554673c
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/HKI191004416
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eb032330c9f321d22f663ab2296b951abc1337743a76771ea692fa58554673c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004416 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 12: Quartettino nel Finale I: Vo' star con mia nipote (Taddeo, Haly, Mustafa, Isabella)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.037
  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: 0.515
  additional property: Energy
    type: PropertyValue
    value: 0.181
  additional property: Speechiness
    type: PropertyValue
    value: 0.078
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.202
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.384
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.148
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 10: Terzetto: Pappataci! Che mai sento! (Mustafa, Lindoro, Taddeo)
type: MusicRecording
duration: PT5M40S
duration ms: 340973
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004517
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:01:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa2745c40aa9582768bd3d3f26935e4b28e7a5b33c9b14794a8094e284d3b93d8
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/HKI191004517
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2745c40aa9582768bd3d3f26935e4b28e7a5b33c9b14794a8094e284d3b93d8. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004517 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 10: Terzetto: Pappataci! Che mai sento! (Mustafa, Lindoro, Taddeo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.386
  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: 0.463
  additional property: Energy
    type: PropertyValue
    value: 0.296
  additional property: Speechiness
    type: PropertyValue
    value: 0.384
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.796
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.484
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.442
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 13: Settimino: Pria di dividerci - Seguito e Stretta: Va sossopra il mio cervello (Zulma, Elvira, Lindoro, Isabella, Mustafa, T
type: MusicRecording
duration: PT9M5S
duration ms: 545080
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004417
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T12:49:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xee9696a83a57c8c62a34590cf6b18e1cb7968de4d4a2fd7e37d365f04edf37dd
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: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004417
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T13:09:35Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee9696a83a57c8c62a34590cf6b18e1cb7968de4d4a2fd7e37d365f04edf37dd. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004417 — a six-check JSON result.
  date published: 2026-07-29T13:09:35Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act I Scene 13: Settimino: Pria di dividerci - Seguito e Stretta: Va sossopra il mio cervello (Zulma, Elvira, Lindoro, Isabella, Mustafa, T
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.944
  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: 0.444
  additional property: Energy
    type: PropertyValue
    value: 0.225
  additional property: Speechiness
    type: PropertyValue
    value: 0.101
  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.431
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.315
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.719
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 11: Recitativo: Tutti i nostri Italiani (Taddeo, Lindoro)
type: MusicRecording
duration: PT0M46S
duration ms: 46120
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004518
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T07:38:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x07edc18ddee1124c8c90e103441fb5629795c154a3b886a3d4700aba5a6ccebc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960368
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960368
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004518
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:26:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07edc18ddee1124c8c90e103441fb5629795c154a3b886a3d4700aba5a6ccebc. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004518 — a six-check JSON result.
  date published: 2026-07-31T08:26:41Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 11: Recitativo: Tutti i nostri Italiani (Taddeo, Lindoro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.73
  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: 0.545
  additional property: Energy
    type: PropertyValue
    value: 0.175
  additional property: Speechiness
    type: PropertyValue
    value: 0.206
  additional property: Acousticness
    type: PropertyValue
    value: 0.914
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.144
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.551
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.39
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 11: Coro: Pronti abbiamo e ferri e mani (Chorus)
type: MusicRecording
duration: PT1M20S
duration ms: 80760
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004519
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:19:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x332cc5e6cdfbd92aa44dbde737de9ed190ec6fa9abd1bed8e6f371c7b80fe367
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/HKI191004519
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x332cc5e6cdfbd92aa44dbde737de9ed190ec6fa9abd1bed8e6f371c7b80fe367. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004519 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 11: Coro: Pronti abbiamo e ferri e mani (Chorus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.42
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.588
  additional property: Energy
    type: PropertyValue
    value: 0.089
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.315
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.72
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.454
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 11: Recitativo: Amici, in ogni evento (Isabella, Taddeo)
type: MusicRecording
duration: PT1M16S
duration ms: 76906
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004520
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T10:12:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7796d7985b49924ca758cc15d4d55809be90392e92bd293a51cb5b5710e41a77
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960389
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960389
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004520
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T10:20:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7796d7985b49924ca758cc15d4d55809be90392e92bd293a51cb5b5710e41a77. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004520 — a six-check JSON result.
  date published: 2026-07-31T10:20:10Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 11: Recitativo: Amici, in ogni evento (Isabella, Taddeo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.387
  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: 0.412
  additional property: Energy
    type: PropertyValue
    value: 0.077
  additional property: Speechiness
    type: PropertyValue
    value: 0.128
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.654
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.198
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.072
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 11: Scena ed Aria: Pensa alla patria, e intrepido (Isabella, Chorus)
type: MusicRecording
duration: PT6M0S
duration ms: 360253
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004521
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:21:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0f5b9014eb22ce85d6585243c2f3a06b7e7769ca7b9f78141d4d7f78eb3223b6
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/HKI191004521
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f5b9014eb22ce85d6585243c2f3a06b7e7769ca7b9f78141d4d7f78eb3223b6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004521 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 11: Scena ed Aria: Pensa alla patria, e intrepido (Isabella, Chorus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.33
  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: 0.397
  additional property: Energy
    type: PropertyValue
    value: 0.125
  additional property: Speechiness
    type: PropertyValue
    value: 0.09
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.736
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.176
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.166
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 12: Recitativo: Che bel core ha costei! (Taddeo, Mustafa)
type: MusicRecording
duration: PT0M54S
duration ms: 54480
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004522
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T18:25:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe1efdc3f82e368422eb1c5398438d7082ec7eccabd7c11705432735b25cefcf6
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: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004522
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1efdc3f82e368422eb1c5398438d7082ec7eccabd7c11705432735b25cefcf6. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004522 — a six-check JSON result.
  date published: 2026-07-31T18:48:12Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 12: Recitativo: Che bel core ha costei! (Taddeo, Mustafa)
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L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 13: Finale II: Dei pappataci s'avanza il coro (Lindoro, Chorus, Taddeo, Mustafa)
type: MusicRecording
duration: PT3M33S
duration ms: 213440
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004523
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004523
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:13Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 13: Finale II: Dei pappataci s'avanza il coro (Lindoro, Chorus, Taddeo, Mustafa)
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L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 14: Quartetto nel Finale II: Non sei tu che il grado eletto (Isabella, Mustafa, Chorus, Lindoro, Taddeo)
type: MusicRecording
duration: PT6M23S
duration ms: 383786
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004524
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960284
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004524
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T17:23:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8be79fc6c4fcd51f7d944db2a8527fb0487932bd165f721a701b738bb7521f0d. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004524 — a six-check JSON result.
  date published: 2026-07-30T17:23:26Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 14: Quartetto nel Finale II: Non sei tu che il grado eletto (Isabella, Mustafa, Chorus, Lindoro, Taddeo)
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  additional property: Valence (Positivity)
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L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 15: Seguito: Son l'aure seconde, son placide l'onde (Chorus, Lindoro, Isabella, Taddeo, Mustafa)
type: MusicRecording
duration: PT1M55S
duration ms: 115080
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004525
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960360
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004525
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:42:11Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb97b8169f6db799bf526968a21bb181be528aae94329e7229800eb512c4f8a50. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004525 — a six-check JSON result.
  date published: 2026-07-31T06:42:11Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 15: Seguito: Son l'aure seconde, son placide l'onde (Chorus, Lindoro, Isabella, Taddeo, Mustafa)
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  additional property: Liveness
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L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 16: Stretta del Finale II: Mio signore (Haly, Elvira, Zulma, Mustafa, Isabella, Lindoro, Taddeo, Chorus)
type: MusicRecording
duration: PT2M41S
duration ms: 161520
explicit: false
by artist: Gioachino Rossini
by artist: Lorenzo Regazzo
by artist: Ruth Gonzalez
by artist: Elsa Giannoulidou
by artist: Giulio Mastrototaro
by artist: Lawrence Brownlee
by artist: Marianna Pizzolato
by artist: Bruno De Simone
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Alberto Zedda
in album: Rossini: L'Italiana in Algeri
  type: MusicAlbum
  date published: 2010-05-25
genre: classical
genre: opera
isrc code: HKI191004526
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960207
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004526
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T04:47:22Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65913c2a044ae6cd4001ca6c04fa6327559bac87500c6d736eb6e136ef67875b. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191004526 — a six-check JSON result.
  date published: 2026-07-30T04:47:22Z
audio: L'Italiana in Algeri (The Italian Girl in Algiers): Act II Scene 16: Stretta del Finale II: Mio signore (Haly, Elvira, Zulma, Mustafa, Isabella, Lindoro, Taddeo, Chorus)
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  additional property: Valence (Positivity)
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Cavalli: Gli Amori D'Apollo E Di Dafne
type: MusicAlbum
date published: 2006-12-12

Vivaldi, A.: Rosmira Fedele [Opera]
type: MusicAlbum
date published: 2003-01-01

Naxos July 2013 New Release Sampler
type: MusicAlbum
date published: 2013-07-01

Entschleunigung - Musik von unermesslicher Schönheit und Ruhe (Classic)
type: MusicAlbum
date published: 2014-01-01

Donizetti: Lucrezia Borgia
type: MusicAlbum
date published: 2014-08-01

Lucrezia Borgia: Prologue, Scene 3: Maffio Orsini, signora, son'io (Orsini, Gazella, Petrucci, Liverotto, Gennaro, Lucrezia)
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duration: PT4M42S
duration ms: 282226
explicit: false
by artist: Gaetano Donizetti
by artist: Marianna Pizzolato
by artist: Roberto Gattei
by artist: Gianni Paci
by artist: Massimiliano Luciani
by artist: Giuseppe Filianoti
by artist: Mariella Devia
by artist: Orchestra Filarmonica Marchigiana
by artist: Marco Guidarini
in album: Donizetti: Lucrezia Borgia
  type: MusicAlbum
  date published: 2014-08-01
popularity: 1
genre: opera
isrc code: ITDQ71212560
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ71212560
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T03:20:19Z
audio: Lucrezia Borgia: Prologue, Scene 3: Maffio Orsini, signora, son'io (Orsini, Gazella, Petrucci, Liverotto, Gennaro, Lucrezia)
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Lucrezia Borgia: Prologue, Scene 1: Bella Venezia! (Gazella, Petrucci, Orsini, Liverotto, Vitellozzo)
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duration: PT2M49S
duration ms: 169480
explicit: false
by artist: Gaetano Donizetti
by artist: Roberto Gattei
by artist: Gianni Paci
by artist: Marianna Pizzolato
by artist: Massimiliano Luciani
by artist: Carlo Giacchetta
by artist: Orchestra Filarmonica Marchigiana
by artist: Marco Guidarini
in album: Donizetti: Lucrezia Borgia
  type: MusicAlbum
  date published: 2014-08-01
popularity: 0
genre: opera
isrc code: ITDQ71225602
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ71225602
additional property: OTSTimestamp
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  value: 2026-07-08T03:39:04Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1228179fd5b2ce3046cca58bb68a9426a8558af1891bfb600217592454674a5e. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ71225602 — a six-check JSON result.
  date published: 2026-07-08T03:39:04Z
audio: Lucrezia Borgia: Prologue, Scene 1: Bella Venezia! (Gazella, Petrucci, Orsini, Liverotto, Vitellozzo)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.428
  additional property: Energy
    type: PropertyValue
    value: 0.285
  additional property: Speechiness
    type: PropertyValue
    value: 0.097
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.142
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.235
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.1
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Lucrezia Borgia: Prologue, Scene 1: Nella fatal di Rimini (Orsini)
type: MusicRecording
duration: PT4M26S
duration ms: 266440
explicit: false
by artist: Gaetano Donizetti
by artist: Marianna Pizzolato
by artist: Orchestra Filarmonica Marchigiana
by artist: Marco Guidarini
in album: Donizetti: Lucrezia Borgia
  type: MusicAlbum
  date published: 2014-08-01
popularity: 0
genre: opera
isrc code: ITDQ71225603
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:05:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x64d95bdafac64d0d9ceedfc7fe204d90155db8f73d9fc77b51e2a1d380cc2d41
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ71225603
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64d95bdafac64d0d9ceedfc7fe204d90155db8f73d9fc77b51e2a1d380cc2d41. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ71225603 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Lucrezia Borgia: Prologue, Scene 1: Nella fatal di Rimini (Orsini)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.483
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.094
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.189
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
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Lucrezia Borgia: Act II Scene 5: Il segreto per esser felici (Orsini)
type: MusicRecording
duration: PT4M5S
duration ms: 245000
explicit: false
by artist: Gaetano Donizetti
by artist: Marianna Pizzolato
by artist: Orchestra Filarmonica Marchigiana
by artist: Marco Guidarini
in album: Donizetti: Lucrezia Borgia
  type: MusicAlbum
  date published: 2014-08-01
popularity: 0
genre: opera
isrc code: ITDQ71225610
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T14:51:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd58a47e8dda84f01183b6ff28f2cf9a3873fafb20b4f9f16ec960fb6b2859d67
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ71225610
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd58a47e8dda84f01183b6ff28f2cf9a3873fafb20b4f9f16ec960fb6b2859d67. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ71225610 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Lucrezia Borgia: Act II Scene 5: Il segreto per esser felici (Orsini)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.71
  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
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  additional property: Energy
    type: PropertyValue
    value: 0.203
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.952
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.553
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.157
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.054
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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