Frank Lopardo
type: MusicGroup
genre: opera
description: Frank Lopardo (born 23 December 1957) is an American operatic tenor who was born in Brentwood, New York. Early in his career he specialized in the repertoire of Mozart and Rossini and later transition
popularity: 24
followers: 591
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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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  date published: 2026-06-12T19:24:56Z
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track: Don Giovanni, K. 527, Act I Scene 1: Ah! Del padre in periglio...Ma qual mai s'offre
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  by artist: Wolfgang Amadeus Mozart
  by artist: Carol Vaness
  by artist: Frank Lopardo
  by artist: Riccardo Muti
  by artist: Wiener Philharmoniker
  in album: Don Giovanni
    type: MusicAlbum
    date published: 1991-10-11
  popularity: 13
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
  isrc code: GBAYC9004366
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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: 2026-07-06T06:56:49Z
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track: Don Giovanni, K. 527, Act I Scene 1: Fuggi, crudele, fuggi! (Donna Anna, Don Ottavio)
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  by artist: Wolfgang Amadeus Mozart
  by artist: Carol Vaness
  by artist: Frank Lopardo
  by artist: Riccardo Muti
  by artist: Wiener Philharmoniker
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    type: MusicAlbum
    date published: 1991-10-11
  popularity: 12
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
  isrc code: GBAYC9004367
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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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf744b277dc5929f0a554a904c144663c0fca571bd776c9dc7f57a368f17df66c. 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/GBAYC9004367 — a six-check JSON result.
    date published: 2026-07-02T03:55:08Z
  audio: Don Giovanni, K. 527, Act I Scene 1: Fuggi, crudele, fuggi! (Donna Anna, Don Ottavio)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 170.513
    additional property: Musical Key
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track: Don Giovanni, K. 527, Act I Scene 3: Non ti fidar (Don Giovanni, Don Ottavio, Donna Anna, Donna Elvira)
track: Don Giovanni, K. 527, Act I Scene 5: Trema, treme, o scellerato! (Tutti)
track: Don Giovanni, K. 527, Act I Scene 3: Mi par ch'oggi il demonio
track: Don Giovanni, K. 527, Act I Scene 3: Don Ottavio, son morta! (Donna Anna, Don Ottavio)
track: Don Giovanni, K. 527, Act I Scene 3: Dalla sua pace (Don Ottavio)
track: Don Giovanni, K. 527, Act I Scene 4: Bisogna aver coraggio (Donna Elvira, Don Ottavio, Donna Anna, Leporello, Don Giovanni)
track: Don Giovanni, K. 527, Act I Scene 4: Protegge il giusto cielo (Donna Anna, Don Ottavio, Donna Elvira)
track: Don Giovanni, K. 527, Act I Scene 5: Venite pur avanti (Leporello, Don Giovanni, Donna Elvira, Don Ottavio)
track: Don Giovanni, K. 527, Act I Scene 5: Ricominciate il suono! (Don Giovanni, Leporello, Donna Elvira, Donna Anna, Don Ottavio, Masetto, Zerlina)
track: Don Giovanni, K. 527, Act I Scene 5: Ecco il birbo (Don Giovanni, Leporello, Don Ottavio, Donna Anna, Donna Elvira)
track: Don Giovanni, K. 527, Act I Scene 3: Come mai creder deggio (Don Ottavio)
track: Mozart: Don Giovanni, K. 527, Act 1: Aria. "Dalla sua pace" (Don Ottavio)
track: Mozart: Don Giovanni, K. 527, Act 2: Epilogo. "Questo è il fin di chi fa mal!" (Donna Elvira, Donna Anna, Zerlina, Don Ottavio, Masetto, Leporello)

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Acousticness
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Instrumentalness
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Liveness
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Valence (Positivity)
type: PropertyValue
value: 0.097

Loudness (dB)
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value: -24.761

Key Name
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Mode Name
type: PropertyValue
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Don Giovanni, K. 527, Act I Scene 3: Non ti fidar (Don Giovanni, Don Ottavio, Donna Anna, Donna Elvira)
type: MusicRecording
duration: PT4M2S
duration ms: 242266
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Carol Vaness
by artist: Cheryl Studer
by artist: Frank Lopardo
by artist: Riccardo Muti
by artist: Wiener Philharmoniker
by artist: William Shimell
in album: Don Giovanni
  type: MusicAlbum
  date published: 1991-10-11
popularity: 10
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: GBAYC9004383
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffa7c0fcb5ab9b114b10aa9935240bdde004ae63689bdb8598c056a05714bebf. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004383 — a six-check JSON result.
  date published: 2026-07-29T14:28:24Z
audio: Don Giovanni, K. 527, Act I Scene 3: Non ti fidar (Don Giovanni, Don Ottavio, Donna Anna, Donna Elvira)
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  additional property: Danceability
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  additional property: Mode Name
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Don Giovanni, K. 527, Act I Scene 5: Trema, treme, o scellerato! (Tutti)
type: MusicRecording
duration: PT2M9S
duration ms: 129026
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Carol Vaness
by artist: Cheryl Studer
by artist: Frank Lopardo
by artist: Jan-Hendrik Rootering
by artist: Konzertvereinigung der Wiener Staatsopernchor
by artist: Natale de Carolis
by artist: Riccardo Muti
by artist: Samuel Ramey
by artist: Suzanne Mentzer
by artist: Wiener Philharmoniker
by artist: William Shimell
in album: Don Giovanni
  type: MusicAlbum
  date published: 1991-10-11
popularity: 10
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: GBAYC9004404
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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 0x3d822dcc599decdd803d5f569d41b9bf5f9339bef3b856f22183f0c3470ab10f. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/GBAYC9004404 — a six-check JSON result.
  date published: 2026-07-07T16:07:00Z
audio: Don Giovanni, K. 527, Act I Scene 5: Trema, treme, o scellerato! (Tutti)
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  additional property: Acousticness
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    type: PropertyValue
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Don Giovanni, K. 527, Act I Scene 3: Mi par ch'oggi il demonio
type: MusicRecording
duration: PT1M21S
duration ms: 81400
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Carol Vaness
by artist: Cheryl Studer
by artist: Frank Lopardo
by artist: Riccardo Muti
by artist: Wiener Philharmoniker
by artist: William Shimell
in album: Don Giovanni
  type: MusicAlbum
  date published: 1991-10-11
popularity: 9
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: GBAYC9004382
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: 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/GBAYC9004382
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd25664afe4bcd1e52ab8dce930210fae26ebacded5b18e78960cd0b1e9da5971. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004382 — a six-check JSON result.
  date published: 2026-07-29T19:35:34Z
audio: Don Giovanni, K. 527, Act I Scene 3: Mi par ch'oggi il demonio
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    value: 0.583
  additional property: Energy
    type: PropertyValue
    value: 0.062
  additional property: Speechiness
    type: PropertyValue
    value: 0.679
  additional property: Acousticness
    type: PropertyValue
    value: 0.949
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.64
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.311
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.289
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Act I Scene 3: Don Ottavio, son morta! (Donna Anna, Don Ottavio)
type: MusicRecording
duration: PT3M26S
duration ms: 206466
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Cheryl Studer
by artist: Frank Lopardo
by artist: Riccardo Muti
by artist: Wiener Philharmoniker
in album: Don Giovanni
  type: MusicAlbum
  date published: 1991-10-11
popularity: 9
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: GBAYC9004385
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T08:20:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb0451c2c47ca20dbe10b0f3f048d462b9a6070937962b3af0261041f2e5de77a
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/GBAYC9004385
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 0xb0451c2c47ca20dbe10b0f3f048d462b9a6070937962b3af0261041f2e5de77a. 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/GBAYC9004385 — a six-check JSON result.
  date published: 2026-07-07T18:39:05Z
audio: Don Giovanni, K. 527, Act I Scene 3: Don Ottavio, son morta! (Donna Anna, Don Ottavio)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.647
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.368
  additional property: Energy
    type: PropertyValue
    value: 0.057
  additional property: Speechiness
    type: PropertyValue
    value: 0.141
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.323
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.096
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.972
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Don Giovanni, K. 527, Act I Scene 3: Dalla sua pace (Don Ottavio)
type: MusicRecording
duration: PT4M58S
duration ms: 298093
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Frank Lopardo
by artist: Riccardo Muti
by artist: Wiener Philharmoniker
in album: Don Giovanni
  type: MusicAlbum
  date published: 1991-10-11
popularity: 9
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: GBAYC9004388
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T05:32:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7b7f73865804364dca56925acf1deb4e93ea17aa2f72eda81e13fdb3c9e726bf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004388
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x7b7f73865804364dca56925acf1deb4e93ea17aa2f72eda81e13fdb3c9e726bf. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004388 — a six-check JSON result.
  date published: 2026-07-06T06:56:49Z
audio: Don Giovanni, K. 527, Act I Scene 3: Dalla sua pace (Don Ottavio)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.958
  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: 0.117
  additional property: Energy
    type: PropertyValue
    value: 0.027
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.003
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Act I Scene 4: Bisogna aver coraggio (Donna Elvira, Don Ottavio, Donna Anna, Leporello, Don Giovanni)
type: MusicRecording
duration: PT2M9S
duration ms: 129933
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Carol Vaness
by artist: Cheryl Studer
by artist: Frank Lopardo
by artist: Riccardo Muti
by artist: Samuel Ramey
by artist: Wiener Philharmoniker
by artist: William Shimell
in album: Don Giovanni
  type: MusicAlbum
  date published: 1991-10-11
popularity: 8
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: GBAYC9004397
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T01:07:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0d86df9b08595f99a09ed7cb7f0f51b812dd74151e5208a150c7cbdc8b7755b4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960185
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960185
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004397
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T01:32:48Z
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 0x0d86df9b08595f99a09ed7cb7f0f51b812dd74151e5208a150c7cbdc8b7755b4. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004397 — a six-check JSON result.
  date published: 2026-07-30T01:32:48Z
audio: Don Giovanni, K. 527, Act I Scene 4: Bisogna aver coraggio (Donna Elvira, Don Ottavio, Donna Anna, Leporello, Don Giovanni)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.657
  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: 0.391
  additional property: Energy
    type: PropertyValue
    value: 0.039
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.241
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.281
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.495
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Act I Scene 4: Protegge il giusto cielo (Donna Anna, Don Ottavio, Donna Elvira)
type: MusicRecording
duration: PT2M27S
duration ms: 147200
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Carol Vaness
by artist: Cheryl Studer
by artist: Frank Lopardo
by artist: Riccardo Muti
by artist: Wiener Philharmoniker
in album: Don Giovanni
  type: MusicAlbum
  date published: 1991-10-11
popularity: 8
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: GBAYC9004398
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T15:47:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbdc33c80cb024769ee2d7918eb61cb80603a5c00fa1756b37aa645a1615e1919
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004398
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34Z
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 0xbdc33c80cb024769ee2d7918eb61cb80603a5c00fa1756b37aa645a1615e1919. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004398 — a six-check JSON result.
  date published: 2026-07-29T19:35:34Z
audio: Don Giovanni, K. 527, Act I Scene 4: Protegge il giusto cielo (Donna Anna, Don Ottavio, Donna Elvira)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.776
  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: 0.28
  additional property: Energy
    type: PropertyValue
    value: 0.024
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.094
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.358
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Act I Scene 5: Venite pur avanti (Leporello, Don Giovanni, Donna Elvira, Don Ottavio)
type: MusicRecording
duration: PT1M37S
duration ms: 97600
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Carol Vaness
by artist: Frank Lopardo
by artist: Riccardo Muti
by artist: Samuel Ramey
by artist: Wiener Philharmoniker
by artist: William Shimell
in album: Don Giovanni
  type: MusicAlbum
  date published: 1991-10-11
popularity: 8
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: GBAYC9004401
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T23:59:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9be639386ab4bc8869e2b9a1111214df20ee51185e99df9fd739298a6ec8a0de
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960173
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960173
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004401
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T00:11:40Z
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 0x9be639386ab4bc8869e2b9a1111214df20ee51185e99df9fd739298a6ec8a0de. Chain 2 (Bitcoin): anchored in block 960173 (2026-07-30T00:11:40Z), 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/GBAYC9004401 — a six-check JSON result.
  date published: 2026-07-30T00:11:40Z
audio: Don Giovanni, K. 527, Act I Scene 5: Venite pur avanti (Leporello, Don Giovanni, Donna Elvira, Don Ottavio)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.816
  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: 0.271
  additional property: Energy
    type: PropertyValue
    value: 0.163
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.227
  additional property: Liveness
    type: PropertyValue
    value: 0.522
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.491
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.64
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Act I Scene 5: Ricominciate il suono! (Don Giovanni, Leporello, Donna Elvira, Donna Anna, Don Ottavio, Masetto, Zerlina)
type: MusicRecording
duration: PT2M41S
duration ms: 161866
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Carol Vaness
by artist: Cheryl Studer
by artist: Frank Lopardo
by artist: Natale de Carolis
by artist: Riccardo Muti
by artist: Samuel Ramey
by artist: Suzanne Mentzer
by artist: Wiener Philharmoniker
by artist: William Shimell
in album: Don Giovanni
  type: MusicAlbum
  date published: 1991-10-11
popularity: 8
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: GBAYC9004402
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T23:39:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf5815e89bb3349f91cf98d8b9ce56a7b717f65a0d865b8f38b6c7fde9b6765ff
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960170
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960170
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004402
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T23:52:38Z
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 0xf5815e89bb3349f91cf98d8b9ce56a7b717f65a0d865b8f38b6c7fde9b6765ff. Chain 2 (Bitcoin): anchored in block 960170 (2026-07-29T23:52:38Z), 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/GBAYC9004402 — a six-check JSON result.
  date published: 2026-07-29T23:52:38Z
audio: Don Giovanni, K. 527, Act I Scene 5: Ricominciate il suono! (Don Giovanni, Leporello, Donna Elvira, Donna Anna, Don Ottavio, Masetto, Zerlina)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.837
  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: 0.332
  additional property: Energy
    type: PropertyValue
    value: 0.179
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.042
  additional property: Liveness
    type: PropertyValue
    value: 0.268
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.209
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.272
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Act I Scene 5: Ecco il birbo (Don Giovanni, Leporello, Don Ottavio, Donna Anna, Donna Elvira)
type: MusicRecording
duration: PT1M14S
duration ms: 74333
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by artist: Carol Vaness
by artist: Cheryl Studer
by artist: Frank Lopardo
by artist: Riccardo Muti
by artist: Samuel Ramey
by artist: Wiener Philharmoniker
by artist: William Shimell
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  date published: 1991-10-11
popularity: 8
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
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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: 2026-07-06T06:56:49Z
audio: Don Giovanni, K. 527, Act I Scene 5: Ecco il birbo (Don Giovanni, Leporello, Don Ottavio, Donna Anna, Donna Elvira)
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Don Giovanni, K. 527, Act I Scene 3: Come mai creder deggio (Don Ottavio)
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duration: PT0M41S
duration ms: 41066
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by artist: Wolfgang Amadeus Mozart
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by artist: Riccardo Muti
by artist: Wiener Philharmoniker
in album: Don Giovanni
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  date published: 1991-10-11
popularity: 7
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
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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: Don Giovanni, K. 527, Act I Scene 3: Come mai creder deggio (Don Ottavio)
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Mozart: Don Giovanni, K. 527, Act 1: Aria. "Dalla sua pace" (Don Ottavio)
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duration: PT5M0S
duration ms: 300866
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Frank Lopardo
by artist: Wiener Philharmoniker
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 1
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: GBAYC9004388
additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Mozart: Don Giovanni, K. 527, Act 1: Aria. "Dalla sua pace" (Don Ottavio)
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Mozart: Don Giovanni, K. 527, Act 2: Epilogo. "Questo è il fin di chi fa mal!" (Donna Elvira, Donna Anna, Zerlina, Don Ottavio, Masetto, Leporello)
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duration: PT1M46S
duration ms: 106946
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Carol Vaness
by artist: Cheryl Studer
by artist: Frank Lopardo
by artist: Natale de Carolis
by artist: Samuel Ramey
by artist: Susanne Mentzer
by artist: Wiener Philharmoniker
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 1
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x392ec66ec970f7d731ddf7a1d9f90b866d54acca3b463eea0353402aa2349ad4. 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/GBAYC9004442 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Mozart: Don Giovanni, K. 527, Act 2: Epilogo. "Questo è il fin di chi fa mal!" (Donna Elvira, Donna Anna, Zerlina, Don Ottavio, Masetto, Leporello)
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