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  track: Gianni Schicchi: O mio babbino caro
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  track: Madama Butterfly, Act II: Un bel di (Butterfly)
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  track: Manon Lescaut, Act I: Donna non vidi mai
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  track: Rigoletto, Act III: La donna è mobile
  track: Turandot, Act I: Signore, ascolta!
  track: Il Barbiere di Siviglia, Act I Scene 1: La ran la le ra, la ran la la...Largo al factotum (Figaro)
  track: Carmen Suite No. 1: VI. Les Toréadors
  track: The Barber of Seville: Overture (Excerpt)
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album: Mozart: The Opera Highlights
album: "Women At An Exposition" - Music By Women Composers: Mrs. H.h.a. Beach, Cecile Chaminade, Etc.
album: Mozart Love Songs
album: Opera Arias
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Madama Butterfly, Act II: Un bel di (Butterfly)
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La bohème, Act I: Sì, Mi chiamano Mimì (Mimì, Rodolfo, Schaunard, Colline, Marcello)
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popularity: 11
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
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La bohème, Act I: Che gelida manina! (Rodolfo)
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  date published: 2026-07-22T11:35:32Z
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La Bohème, Act I: O soave fanciulla (Rodolfo, Marcello, Mimì)
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audio: La Bohème, Act I: O soave fanciulla (Rodolfo, Marcello, Mimì)
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Tosca, S. 69, Act I: Recondita armonia
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Tosca, S. 69, Act III: E lucevan le stelle (Cavaradossi)
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Carmen, WD 31, Act I: No. 5, Habanera, L'amour est un oiseau rebelle
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Andrea Chenier: La mamma morta
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Manon Lescaut, Act I: Donna non vidi mai
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Le Nozze di Figaro, K. 492, Act I: Non più andrai
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Les Pêcheurs de Perles, WD 13, Act I: C'est toi....Au fond du temple saint
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audio: Les Pêcheurs de Perles, WD 13, Act I: C'est toi....Au fond du temple saint
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Rigoletto, Act III: La donna è mobile
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Turandot, Act I: Signore, ascolta!
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Il Barbiere di Siviglia, Act I Scene 1: La ran la le ra, la ran la la...Largo al factotum (Figaro)
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Carmen Suite No. 1: VI. Les Toréadors
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The Barber of Seville: Overture (Excerpt)
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Oper
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Don Giovanni - Best Of
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Don Giovanni
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    type: PropertyValue
    value: 2026-06-21T21:12:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x72715be7f8500543268c754da7df8cf9b8045f76e75df5fc619df4c7b5f8272d
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  additional property: OTSBitcoinBlock
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    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/GBAYC9004364
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72715be7f8500543268c754da7df8cf9b8045f76e75df5fc619df4c7b5f8272d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004364.
    date published: 2026-07-02T03:55:08Z
  audio: Don Giovanni, K. 527, Act I Scene 1: Notte e giorno faticar (Leporello, Donna Anna, Don Giovanni, Commendatore)
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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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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: Don Giovanni, K. 527, Act I Scene 1: Leporello, ove sei? (Don Giovanni, Leporello)
  type: MusicRecording
  duration: PT0M36S
  duration ms: 36706
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  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: 12
  genre: classical
  genre: classical-era
  isrc code: GBAYC9004365
  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: Don Giovanni, K. 527, Act I Scene 1: Leporello, ove sei? (Don Giovanni, Leporello)
track: Don Giovanni, K. 527, Act I Scene 1: Ah! Del padre in periglio...Ma qual mai s'offre
track: Don Giovanni, K. 527, Act I Scene 1: Fuggi, crudele, fuggi! (Donna Anna, Don Ottavio)
track: Don Giovanni, K. 527, Act I Scene 2: Orsu, spicciati presto (Don Giovanni, Leporello)
track: Don Giovanni, K. 527, Act I Scene 2: Ah, chi si dice mai
track: Don Giovanni, K. 527, Act I Scene 2: Madamina, il catalogo e questo (Leporello)
track: Don Giovanni, K. 527, Act I Scene 2: In questa forma dunque (Donna Elvira)
track: Don Giovanni, K. 527, Act I Scene 3: Giovinette, che fate all'amore (Zerlina, Coro, Masetto)
track: Don Giovanni, K. 527, Act I Scene 3: Ho capito, signor si! (Masetto)
track: Don Giovanni, K. 527, Act I Scene 3: La ci darem la mano (Don Giovanni, Zerlina)
track: Don Giovanni, K. 527, Act I Scene 3: Ah, fuggi il traditor! (Donna Elvira)
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: Come mai creder deggio (Don Ottavio)
track: Don Giovanni, K. 527, Act I Scene 3: Dalla sua pace (Don Ottavio)
track: Don Giovanni, K. 527, Act I Scene 3: Finch'han dal vino (Don Giovanni)
track: Don Giovanni, K. 527, Act I Scene 4: Guarda un po' (Masetto, Don Giovanni, 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 5: Trema, treme, o scellerato! (Tutti)
track: Don Giovanni, K. 527, Act II Scene 1: E via, buffone (Don Giovanni, Leporello)
track: Don Giovanni, K. 527, Act II Scene 1: A taci, ingiusto core! (Donna Elvira, Leporello, Don Giovanni)
track: Don Giovanni, K. 527, Act II Scene 2: Di molte faci il lume (Leporello, Donna Elvira)

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CopyrightStatus
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CopyrightRegisteredAt
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CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xcc679bf301b926a7515fd69d9c79728d6a0b394ca1cabf71b2dd8628c1af67c2

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956894

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956894

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004365

OTSTimestamp
type: PropertyValue
value: 2026-07-06T07:53:57Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc679bf301b926a7515fd69d9c79728d6a0b394ca1cabf71b2dd8628c1af67c2. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004365.
date published: 2026-07-06T07:53:57Z

Don Giovanni, K. 527, Act I Scene 1: Leporello, ove sei? (Don Giovanni, Leporello)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 110.169
additional property: Musical Key
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additional property: Mode (Major/Minor)
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  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.637
additional property: Energy
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additional property: Speechiness
  type: PropertyValue
  value: 0.856
additional property: Acousticness
  type: PropertyValue
  value: 0.645
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.733
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.421
additional property: Loudness (dB)
  type: PropertyValue
  value: -39.529
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Minor

Don Giovanni, K. 527, Act I Scene 1: Ah! Del padre in periglio...Ma qual mai s'offre
type: MusicRecording
duration: PT2M55S
duration ms: 175333
explicit: false
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
isrc code: GBAYC9004366
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T04:27:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf7304dd9f8f07b17a0de3962cd983a438fc05b335892234b8efde100fdff9e92
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/GBAYC9004366
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7304dd9f8f07b17a0de3962cd983a438fc05b335892234b8efde100fdff9e92. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004366.
  date published: 2026-07-06T06:56:49Z
audio: Don Giovanni, K. 527, Act I Scene 1: Ah! Del padre in periglio...Ma qual mai s'offre
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 72.428
  additional property: Musical Key
    type: PropertyValue
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  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: 0.025
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.055
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.337
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Act I Scene 1: Fuggi, crudele, fuggi! (Donna Anna, Don Ottavio)
type: MusicRecording
duration: PT3M20S
duration ms: 200600
explicit: false
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: 12
genre: classical
genre: classical-era
isrc code: GBAYC9004367
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T19:30:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf744b277dc5929f0a554a904c144663c0fca571bd776c9dc7f57a368f17df66c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004367
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf744b277dc5929f0a554a904c144663c0fca571bd776c9dc7f57a368f17df66c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004367.
  date published: 2026-07-02T05:09:12Z
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
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.308
  additional property: Energy
    type: PropertyValue
    value: 0.135
  additional property: Speechiness
    type: PropertyValue
    value: 0.073
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.365
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.097
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.761
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Don Giovanni, K. 527, Act I Scene 2: Orsu, spicciati presto (Don Giovanni, Leporello)
type: MusicRecording
duration: PT1M51S
duration ms: 111200
explicit: false
by artist: Wolfgang Amadeus Mozart
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: 11
genre: classical
genre: classical-era
isrc code: GBAYC9004369
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T06:40:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x322aeb8ad5d588e03ccd1230f66d8d2914a2b7f45e2abaabebab775cc2784714
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/GBAYC9004369
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x322aeb8ad5d588e03ccd1230f66d8d2914a2b7f45e2abaabebab775cc2784714. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004369.
  date published: 2026-07-06T06:56:49Z
audio: Don Giovanni, K. 527, Act I Scene 2: Orsu, spicciati presto (Don Giovanni, Leporello)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 162.402
  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: 0.51
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.316
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.231
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Act I Scene 2: Ah, chi si dice mai
type: MusicRecording
duration: PT3M24S
duration ms: 204600
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Carol Vaness
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: 13
genre: classical
genre: classical-era
isrc code: GBAYC9004370
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T19:47:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7858f4f20ff4e78bb13a0d92c9b8f1add09a8a587d77930cb2959a41eff98802
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004370
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7858f4f20ff4e78bb13a0d92c9b8f1add09a8a587d77930cb2959a41eff98802. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004370.
  date published: 2026-07-02T05:09:12Z
audio: Don Giovanni, K. 527, Act I Scene 2: Ah, chi si dice mai
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.693
  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: 0.396
  additional property: Energy
    type: PropertyValue
    value: 0.094
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.346
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.264
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.533
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Act I Scene 2: Madamina, il catalogo e questo (Leporello)
type: MusicRecording
duration: PT5M45S
duration ms: 345160
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Samuel Ramey
by artist: Wiener Philharmoniker
in album: Don Giovanni
  type: MusicAlbum
  date published: 1991-10-11
popularity: 17
genre: classical
genre: classical-era
isrc code: GBAYC9004372
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T04:00:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa6c6b01b9bc618ab153f7dd6d472c5e123048f5185c8606e006f61faab26bb9d
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/GBAYC9004372
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6c6b01b9bc618ab153f7dd6d472c5e123048f5185c8606e006f61faab26bb9d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004372.
  date published: 2026-07-02T03:55:08Z
audio: Don Giovanni, K. 527, Act I Scene 2: Madamina, il catalogo e questo (Leporello)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.327
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.275
  additional property: Energy
    type: PropertyValue
    value: 0.121
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.027
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.235
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.398
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Act I Scene 2: In questa forma dunque (Donna Elvira)
type: MusicRecording
duration: PT0M37S
duration ms: 37466
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Carol Vaness
by artist: Riccardo Muti
by artist: Wiener Philharmoniker
in album: Don Giovanni
  type: MusicAlbum
  date published: 1991-10-11
popularity: 10
genre: classical
genre: classical-era
isrc code: GBAYC9004373
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T06:55:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x102cf573a5631ffb8bc3104a71600c2d10c16fed78a9c69992e7af3ed135bfb0
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/GBAYC9004373
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x102cf573a5631ffb8bc3104a71600c2d10c16fed78a9c69992e7af3ed135bfb0. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004373.
  date published: 2026-07-06T06:56:49Z
audio: Don Giovanni, K. 527, Act I Scene 2: In questa forma dunque (Donna Elvira)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.885
  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: 0.652
  additional property: Energy
    type: PropertyValue
    value: 0.055
  additional property: Speechiness
    type: PropertyValue
    value: 0.582
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.074
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.21
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.078
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Act I Scene 3: Giovinette, che fate all'amore (Zerlina, Coro, Masetto)
type: MusicRecording
duration: PT1M18S
duration ms: 78906
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Konzertvereinigung der Wiener Staatsopernchor
by artist: Natale de Carolis
by artist: Riccardo Muti
by artist: Suzanne Mentzer
by artist: Wiener Philharmoniker
in album: Don Giovanni
  type: MusicAlbum
  date published: 1991-10-11
popularity: 13
genre: classical
genre: classical-era
isrc code: GBAYC9004375
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T19:32:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfe6b87c114b0d0f0572423e2f1aa71d9d3aba80b4c4a21b6585163391ad7991e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004375
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe6b87c114b0d0f0572423e2f1aa71d9d3aba80b4c4a21b6585163391ad7991e. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004375.
  date published: 2026-07-02T05:09:12Z
audio: Don Giovanni, K. 527, Act I Scene 3: Giovinette, che fate all'amore (Zerlina, Coro, Masetto)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.774
  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: 0.472
  additional property: Energy
    type: PropertyValue
    value: 0.263
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.123
  additional property: Liveness
    type: PropertyValue
    value: 0.246
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.914
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.382
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Act I Scene 3: Ho capito, signor si! (Masetto)
type: MusicRecording
duration: PT1M27S
duration ms: 87640
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Natale de Carolis
by artist: Riccardo Muti
by artist: Wiener Philharmoniker
in album: Don Giovanni
  type: MusicAlbum
  date published: 1991-10-11
popularity: 11
genre: classical
genre: classical-era
isrc code: GBAYC9004377
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T08:29:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5663db6487a4c4d3bc254b4b545b5f1a702c9e232ee851d717dcd825c9d72ebf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959114
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959114
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004377
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T08:41:42Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5663db6487a4c4d3bc254b4b545b5f1a702c9e232ee851d717dcd825c9d72ebf. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004377.
  date published: 2026-07-22T08:41:42Z
audio: Don Giovanni, K. 527, Act I Scene 3: Ho capito, signor si! (Masetto)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.895
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.463
  additional property: Energy
    type: PropertyValue
    value: 0.193
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.008
  additional property: Liveness
    type: PropertyValue
    value: 0.221
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.832
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.349
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Act I Scene 3: La ci darem la mano (Don Giovanni, Zerlina)
type: MusicRecording
duration: PT3M16S
duration ms: 196893
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Suzanne Mentzer
by artist: Wiener Philharmoniker
by artist: William Shimell
by artist: Riccardo Muti
in album: Don Giovanni
  type: MusicAlbum
  date published: 1991-10-11
popularity: 15
genre: classical
genre: classical-era
isrc code: GBAYC9004379
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T22:56:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdb7eda3b3427fc673009cac040b131a7a110579b76f4da66767f733efe2ae5d9
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/GBAYC9004379
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb7eda3b3427fc673009cac040b131a7a110579b76f4da66767f733efe2ae5d9. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004379.
  date published: 2026-07-02T03:55:08Z
audio: Don Giovanni, K. 527, Act I Scene 3: La ci darem la mano (Don Giovanni, Zerlina)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.03
  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: 0.288
  additional property: Energy
    type: PropertyValue
    value: 0.063
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.206
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.889
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Act I Scene 3: Ah, fuggi il traditor! (Donna Elvira)
type: MusicRecording
duration: PT1M16S
duration ms: 76600
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Carol Vaness
by artist: Riccardo Muti
by artist: Wiener Philharmoniker
in album: Don Giovanni
  type: MusicAlbum
  date published: 1991-10-11
popularity: 10
genre: classical
genre: classical-era
isrc code: GBAYC9004381
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:05:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xedce7abc2fda226940e674270d15781aaf43596fe1dc462308b68cf7775375d9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957046
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957046
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004381
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:04:01Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedce7abc2fda226940e674270d15781aaf43596fe1dc462308b68cf7775375d9. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004381.
  date published: 2026-07-07T14:04:01Z
audio: Don Giovanni, K. 527, Act I Scene 3: Ah, fuggi il traditor! (Donna Elvira)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.871
  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: 0.384
  additional property: Energy
    type: PropertyValue
    value: 0.096
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.434
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.32
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.378
  additional property: Key Name
    type: PropertyValue
    value: D
  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
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
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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004385.
  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: Come mai creder deggio (Don Ottavio)
type: MusicRecording
duration: PT0M41S
duration ms: 41066
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: 7
genre: classical
genre: classical-era
isrc code: GBAYC9004387
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:01:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6ca0457588321ca503f8982b41b5999a304f80afaee6efd66b16b45a47996b71
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/GBAYC9004387
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ca0457588321ca503f8982b41b5999a304f80afaee6efd66b16b45a47996b71. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004387.
  date published: 2026-07-08T03:22:41Z
audio: Don Giovanni, K. 527, Act I Scene 3: Come mai creder deggio (Don Ottavio)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 176.278
  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: 0.291
  additional property: Energy
    type: PropertyValue
    value: 0.031
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.928
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.057
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.162
  additional property: Loudness (dB)
    type: PropertyValue
    value: -36.976
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

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
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
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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004388.
  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 3: Finch'han dal vino (Don Giovanni)
type: MusicRecording
duration: PT1M12S
duration ms: 72733
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Wiener Philharmoniker
by artist: William Shimell
in album: Don Giovanni
  type: MusicAlbum
  date published: 1991-10-11
popularity: 13
genre: classical
genre: classical-era
isrc code: GBAYC9004390
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T21:09:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x63ee2d46f8115aaf1444a5cc3f42dbf17ceeed740fb7397d1f6fd045b186c2fe
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/GBAYC9004390
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63ee2d46f8115aaf1444a5cc3f42dbf17ceeed740fb7397d1f6fd045b186c2fe. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004390.
  date published: 2026-07-02T03:55:08Z
audio: Don Giovanni, K. 527, Act I Scene 3: Finch'han dal vino (Don Giovanni)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.923
  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: 0.586
  additional property: Energy
    type: PropertyValue
    value: 0.398
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.746
  additional property: Liveness
    type: PropertyValue
    value: 0.165
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.739
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.341
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Act I Scene 4: Guarda un po' (Masetto, Don Giovanni, Zerlina)
type: MusicRecording
duration: PT0M43S
duration ms: 43040
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Natale de Carolis
by artist: Riccardo Muti
by artist: Suzanne Mentzer
by artist: Wiener Philharmoniker
by artist: William Shimell
in album: Don Giovanni
  type: MusicAlbum
  date published: 1991-10-11
popularity: 7
genre: classical
genre: classical-era
isrc code: GBAYC9004394
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:30:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xadfe8258682bf1f6452b7755852b6b741e9426ce6f39870a40bcae5b38eac733
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/GBAYC9004394
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadfe8258682bf1f6452b7755852b6b741e9426ce6f39870a40bcae5b38eac733. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004394.
  date published: 2026-07-08T03:22:41Z
audio: Don Giovanni, K. 527, Act I Scene 4: Guarda un po' (Masetto, Don Giovanni, Zerlina)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.376
  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: 0.59
  additional property: Energy
    type: PropertyValue
    value: 0.095
  additional property: Speechiness
    type: PropertyValue
    value: 0.439
  additional property: Acousticness
    type: PropertyValue
    value: 0.915
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.657
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.698
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.289
  additional property: Key Name
    type: PropertyValue
    value: Bb
  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
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
isrc code: GBAYC9004403
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T06:42:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xedbe8dc4575aeaf7f5c097b1f1df24452ee349c1c4db3c1287c97126804872f5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956891
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956891
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004403
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:16:32Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedbe8dc4575aeaf7f5c097b1f1df24452ee349c1c4db3c1287c97126804872f5. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004403.
  date published: 2026-07-06T07:16:32Z
audio: Don Giovanni, K. 527, Act I Scene 5: Ecco il birbo (Don Giovanni, Leporello, Don Ottavio, Donna Anna, Donna Elvira)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.845
  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: 0.522
  additional property: Energy
    type: PropertyValue
    value: 0.277
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.027
  additional property: Liveness
    type: PropertyValue
    value: 0.499
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.646
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.826
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

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
isrc code: GBAYC9004404
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:18:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3d822dcc599decdd803d5f569d41b9bf5f9339bef3b856f22183f0c3470ab10f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957061
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957061
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004404
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T20:55:34Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d822dcc599decdd803d5f569d41b9bf5f9339bef3b856f22183f0c3470ab10f. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-21T20:55:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004404.
  date published: 2026-07-21T20:55:34Z
audio: Don Giovanni, K. 527, Act I Scene 5: Trema, treme, o scellerato! (Tutti)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.923
  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: 0.439
  additional property: Energy
    type: PropertyValue
    value: 0.521
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.263
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.599
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.183
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Giovanni, K. 527, Act II Scene 1: E via, buffone (Don Giovanni, Leporello)
type: MusicRecording
duration: PT1M2S
duration ms: 62040
explicit: false
by artist: Wolfgang Amadeus Mozart
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: 7
genre: classical
genre: classical-era
isrc code: GBAYC9004407
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:23:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa48e09615824752f2807dc36363def7e30a30b5c1700abf807178c94414c0373
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957052
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957052
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004407
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:50:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa48e09615824752f2807dc36363def7e30a30b5c1700abf807178c94414c0373. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004407.
  date published: 2026-07-07T14:50:41Z
audio: Don Giovanni, K. 527, Act II Scene 1: E via, buffone (Don Giovanni, Leporello)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.723
  additional property: Musical Key
    type: PropertyValue
    value: 7
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Don Giovanni, K. 527, Act II Scene 1: A taci, ingiusto core! (Donna Elvira, Leporello, Don Giovanni)
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duration ms: 280333
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by artist: Wolfgang Amadeus Mozart
by artist: Carol Vaness
by artist: Riccardo Muti
by artist: Samuel Ramey
by artist: Wiener Philharmoniker
by artist: William Shimell
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popularity: 7
genre: classical
genre: classical-era
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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/GBAYC9004409
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44074954d9672fdd41e74bd2ca5370744c96b65717d35f8dbeac45382633d4e7. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004409.
  date published: 2026-07-07T14:50:41Z
audio: Don Giovanni, K. 527, Act II Scene 1: A taci, ingiusto core! (Donna Elvira, Leporello, Don Giovanni)
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Don Giovanni, K. 527, Act II Scene 2: Di molte faci il lume (Leporello, Donna Elvira)
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duration: PT0M36S
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by artist: Wolfgang Amadeus Mozart
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by artist: Riccardo Muti
by artist: Samuel Ramey
by artist: Wiener Philharmoniker
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popularity: 5
genre: classical
genre: classical-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004419
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Don Giovanni, K. 527, Act II Scene 2: Di molte faci il lume (Leporello, Donna Elvira)
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date published: 2016-12-17
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  by artist: Philharmonia Orchestra
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  genre: classical
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T08:56:20Z
  audio: Così fan tutte, K. 588, Act II: Donne mie, la fate a tanti a tanti (Guglielmo)
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    additional property: Tempo (BPM)
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    additional property: Mode (Major/Minor)
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track: Le Nozze di Figaro, K. 492: Overture
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  by artist: Academy of St. Martin in the Fields
  in album: Mozart: The Opera Highlights
    type: MusicAlbum
    date published: 2016-12-17
  popularity: 0
  genre: classical
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  additional property: CopyrightID
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-08T03:20:19Z
  audio: Le Nozze di Figaro, K. 492: Overture
    type: AudioObject
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    additional property: Valence (Positivity)
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track: Le nozze di Figaro, K. 492, Act II: Porgi, amor (Contessa)
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  by artist: Wolfgang Amadeus Mozart
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  by artist: Elisabeth Schwarzkopf
  by artist: Philharmonia Orchestra
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    date published: 2016-12-17
  popularity: 0
  genre: classical
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  additional property: CopyrightID
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Le nozze di Figaro, K. 492, Act II: Porgi, amor (Contessa)
track: Le nozze di Figaro, K. 492, Act II: Vieni, cara Susanna (Contessa, Susanna, Figaro)
track: Die Zauberflöte, K. 620, Act I: Dies Bildnis ist bezaubernd schön (Tamino)
track: Die Zauberflöte, K. 620, Act I: Der Vogelfänger bin ich ja (Papageno)
track: Die Zauberflöte, K. 620, Act II: Der Hölle Rache kocht in meinem Herzen (Queen of the Night's Aria)

CopyrightRegisteredAt
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CopyrightChainExplorerURL
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OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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value: https://blockstream.info/api/block-height/957120

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8904989

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:22:41Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd624b5da6f2f9e7fd36a5340e2c77cbc1d0266d02fc008a6164af2e68785f35a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8904989.
date published: 2026-07-08T03:22:41Z

Le nozze di Figaro, K. 492, Act II: Porgi, amor (Contessa)
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additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Key Name
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additional property: Mode Name
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Le nozze di Figaro, K. 492, Act II: Vieni, cara Susanna (Contessa, Susanna, Figaro)
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duration: PT3M2S
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by artist: Glyndebourne Festival Orchestra
by artist: Graziella Sciutti
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by artist: Vittorio Gui
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genre: classical
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additional property: CopyrightStatus
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Le nozze di Figaro, K. 492, Act II: Vieni, cara Susanna (Contessa, Susanna, Figaro)
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Die Zauberflöte, K. 620, Act I: Dies Bildnis ist bezaubernd schön (Tamino)
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by artist: Bernard Haitink
by artist: Bavarian Radio Symphony Orchestra
in album: Mozart: The Opera Highlights
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genre: classical
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additional property: CopyrightID
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additional property: CopyrightChainExplorerURL
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Die Zauberflöte, K. 620, Act I: Der Vogelfänger bin ich ja (Papageno)
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Die Zauberflöte, K. 620, Act II: Der Hölle Rache kocht in meinem Herzen (Queen of the Night's Aria)
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"Women At An Exposition" - Music By Women Composers: Mrs. H.h.a. Beach, Cecile Chaminade, Etc.
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Mozart Love Songs
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Opera Arias
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Rossini: Overtures & Opera Arias
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German Opera
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Mozart - Opera Masterpieces
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